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$ 45.00 USD
Although there is scientific consensus that genetic factors play a substantial role in an individual’s...
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$ 24.95 USD
This All-Weather Bound Book comes equipped with 20 helpful geological reference pages, standard and metric...
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$ 29.95 USD
Geology: An Illustrated History presents the geological processes that underlie all life on Earth, offering...
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$ 16.95 USD
A garden of geologic delights for all Earthlings. Geopedia is a trove of geologic wonders...
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$ 49.95 USD
Ghost Sharks explores ghost sharks, also known as chimaeras, cartilaginous fish related to sharks and...
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$ 40.00 USD
Perhaps the world’s most distinctive tree, ginkgo has remained stubbornly unchanged for more than two...
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$ 39.95 USD
The most comprehensive book on giraffes to appear in the last fifty years, this volume...
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$ 9.00 USD
These glass vials with polyseal cone-in caps are perfect for the bug picker in all...
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$ 40.00 USD
Innovative product, designed with convenience and security in mind, the anti-sheft clasp vial offers a...
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$ 29.95 USD
Planet Earth is heating up, and so is the debate over why our climate is...
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$ 67.00 USD
Global Warming Science introduces undergraduate students to the concepts and methods of global warming science,...
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GO Environmental Niskin water samplers for different water capacities. Required Accessories General Oceanics Messengers GO...
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The Spartan GoCam Solar Kit with Battery is the perfect solution for those seeking a sustainable power source for their trail cameras. This kit includes everything you need to keep your GoCam running for extended periods without needing to change batteries. Ideal for wildlife observers and nature enthusiasts, this kit ensures your camera is always ready to capture detailed images and videos without disturbing the natural environment.
| Specification | Detail |
|---|---|
| Warranty | 90 Days |
| Camera Compatibility | GoCam |
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$ 89.75 USD
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The TGW-4577-4 GPS/Iridium System Is An Advanced Tracking Solution Designed To Meet The Demands Of Rigorous Wildlife Studies. This Collar Incorpora A Separate VHF Battery And Cutting-Edge GPS And QFP-GPS Positioning Technology To Deliver Precise And Reliable Data. The Collected Data Are Transmitted Via The Iridium Satellite Network, Ensuring Global Coverage And Essential Information Retrieval In Near Real-Time.
GPS/Iridium Systems Can Be Configured To Meet Most Study Requirements. Contact Telonics For More Information.
| Separate VHF Battery | Yes |
| Dimensions (Length x Width x Height, inches) | 2.7 x 2.0 x 1.4 |
| Dimensions (Length x Width x Height, cm) | 6.85 x 5.1 x 3.6 |
| Weight (g) Canister | 249 |
| Weight (g) With Collar | 490-710 |
| Operational Life Estimates With Daily Iridium GPS Data Uplink (1 Year, Fixed Interval) | 35 minutes |
| Operational Life Estimates With Daily Iridium GPS Data Uplink (2 Years, Fixed Interval) | 70 minutes |
| Operational Life Estimates With Daily Iridium QFP Data Uplink (1 Year, Fixed Interval) | Contact Telonics |
| Operational Life Estimates With Daily Iridium QFP Data Uplink (2 Years, Fixed Interval) | 30 minutes |
| Operational Life Estimates Parameters: Average Ambient Temperature | 25 °C |
| Operational Life Estimates Parameters: Average Expected Time To Signal Fix | 75 Seconds |
| Operational Life Estimates Parameters: GPS Pulse Period Successful Fix | 1500 Ms |
| Operational Life Estimates Parameters: GPS Pulse Period Failed Fix | 1000 Ms |
| Operational Life Estimates Parameters: Average Time For QFP | 15 Seconds |
| VHF Duty Cycle Requirement For 2-Year Operational Life | Some Duty Cycle May Be Required |
| GPS/QFP-GPS Location Accuracy | Virtually The Same As Standard GPS |
| Clock Type | Real-Time Clock (RTC) |
| Average Time For QFP | 15 Seconds |
| Power Consumption (TGW-4xxx Units "Off") | Less Than 12 µA |
| Available Geofence Types | Rectangle, Circle, Polygon (Up to 50 Points) |
| Iridium Messaging Service | Two-Way SBD (Short Burst Data Service) |
| Requirements For Sending Commands To GPS/Iridium Systems | Internet Connectivity And An Email Provider |
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$ 103.25 USD
The AudioMoth GPS Hat is an add-on product designed to serve as a receiver for...
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| Capacity | 320 g | 500 g | 3200 g | 5000 g |
|---|---|---|---|---|
| Resolution (g) | 0.001 | 0.001 | 0.01 | 0.01 |
| Linearity (g) | ± 0.002 | ± 0.002 | ± 0.02 | ± 0.03 |
| Reproducibility (g) | ± 0.001 | ± 0.001 | ± 0.01 | ± 0.01 |
| Eccentricity (g) | ± 0.002 | ± 0.002 | ± 0.02 | ± 0.03 |
| Reading Time | Less than 1.5 seconds | |||
| Power Supply | 220 V / 50 Hz | |||
| Temperature | 0 ºC / 30 ºC | |||
| Warm-up Time | 50 minutes | |||
| Calibration | External | |||
| Weight Units | g | |||
| Interface | RS-232 | |||
| Air Humidity | Max 80% non-condensing | |||
| Hydrostatic Weighing | Optional | |||
| Weighing Plate Dimensions (mm) | 115 Ø | 160 Ø | ||
| Weighing Chamber Dimensions (mm) | 180 x 185 x 235 | N/A | ||
| Total Dimensions (mm) | 310 x 201 x 300 | 310 x 201 x 70 | ||
| Weight (kg) | 4 | 2 | ||
EO 20230721
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| Capacity | 120 g | 220 g |
|---|---|---|
| Resolution | 0.1 mg | |
| Linearity | +/- 0.4 mg | |
| Reproducibility | +/- 0.2 mg | |
| Eccentricity | +/- 0.2 mg | |
| Reading Time | 4 seconds | |
| Power Supply | 110V-265V, 50-60Hz, 2.0A | |
| Operating Temperature | +10ºC – +30ºC | |
| Warm-up Time | 8 h | |
| Calibration | external | |
| Weighing Units | g, ct, lb, oz | |
| Interface | RS232C | |
| Air Humidity | 20% – 85% | |
| Weighing Pan Dimensions (mm) | 90 Ø | |
| Weighing Chamber Dimensions | 185 x 180 x 230 | |
| Balance Dimensions (mm) | 210 x 310 x 320 | |
| Net Weight of Balance (kg) | 4.4 kg | |
| Packaging Dimensions (mm) | 370 x 485 x 450 | |
| Total Weight with Packaging (kg) | 7.2 kg | |
EO 20230810
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A portable, practical, and expertly illustrated field guide to more than a hundred grasses, rushes,...
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$ 95.00 USD
The first book of its kind for South America. This is the first volume of...
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$ 29.95 USD
Grasshoppers, locusts, crickets, bush crickets, and katydids make up the insect order known as Orthoptera....
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$ 42.90 USD
Enjoy the beauty of hummingbirds in your own garden with this stunning hand-blown glass feeder. Designed to attract these birds with its vibrant colors and nature-inspired details, this feeder offers a unique and delightful experience for wildlife enthusiasts. Each piece is one-of-a-kind and crafted with attention to detail to provide you with a beautiful, functional, and durable product.
| Target species | Hummingbird |
|---|---|
| Recommended uses | Nectar |
| Material | Glass |
| Special features | Fade-resistant, built-in ant moat |
| Mounting type | Hanging mount |
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$ 108.95 USD
GRS Densitometer: Precision Canopy and Cover Mapping, Redefined. The GRS Densitometer™ is the most accurate...
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$ 42.50 USD – Vendido
The world’s most bird-rich nation finally has a new field guide. The book is easy...
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The identification and analysis of the particular habitat needs of a species has always been...
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$ 39.95 USD
The first field guide to all of the world’s major land habitats―richly illustrated and packed...
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$ 138.75 USD
With the classic Barktax instrument you will instantly have a reliable measure of the bark thickness. Bark...
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$ 276.50 USD
The CI is the ideal instrument to measure the inclination of trees, buildings, walls, tunnels, roads, etc. Any field professional will appreciate the CI's simplicity and accuracy. Simply point and press the button, and the angle will be presented to you.
| specs | |
|---|---|
| Dimensions | 20 x 63 x 44 mm |
| Weight | 50 g |
| Temperature | Min -15 ° Max 45 ° C |
| Drums | 1 x 1,5 V AA alkaline. warning when low |
| Display | LCD, backlit |
| Consumption | 15 mW |
| Angle | -55˚ < angle <85˚. Resolution: 0,1˚. Precision: + -0,2˚ |
(DR 20220822)
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$ 2,290.75 USD
The DP II+ has been significantly enhanced to deliver superior performance. With a 120 MHz floating-point processor, 8 GB flash memory, and an upgraded backlit display, the DP II+ is nearly three times faster than its predecessor. This device is field-ready, fully adapted, rugged, and features a durable and balanced construction. Additionally, it offers a wide range of communication options, being compatible with Vertex 5, Vertex Laser Geo, Laser Geo, PC, or other handheld devices.
All Haglöf Sweden products are designed for professionals who work in extreme conditions. The DP II+ caliper meets the demands and specifications of foresters regarding dust, shock, vibration, temperature, pressure, moisture, and overall user friendliness.
Haglöf Sweden has been working on software programming for field applications for 25 years. We have a wide selection of ready-made solutions for most forest field jobs, available in many languages. Contact us with your ideas, and together we will find a solution that suits you and your organization.
The DP II+ incorporates significant data processing and calculation capacity. Your workday can start and end in the forest, with your portable office in the pocket-size DP II+ computer terminal. All data securely stored and processed in one place!
The unique accessories and add-ons designed for use with the DP II+ add value and versatility. With Gator Eyes laser pointers, you can measure tree diameter from a distance, even in adverse conditions such as strong winds or moving water.
| Specification | Detail |
|---|---|
| Memory | 1GB Flash File System non-volatile high security. 2Mb high-speed RAM. 8Mb Flash for program storage. |
| Processor | Low power Arm Cortex Cpu 120MHz inc. floating point unit. |
| Temperature | Min -20° Max 60° C/ Min -4° Max 140° F. |
| Battery | Rechargeable Li-ion, USB-interface charge. |
| Consumption | One week/charge/ software depending. |
| Key/Buttons | 6 Keys. 2 Execution/Enter; One on keyboard and one on handle for index finger. 4 Navigation keys on the keyboard; Up, Down, Left and Right. Double key quick commands: Display light, Sleep mode, Escape/Return and IR input. |
| Measuring system | Technical: Non contact, sealed. Scale: Aluminum, non reflecting, clear digits. Jaws: Foldable aluminum, Patented. |
| Accuracy | +-1mm or 0.039 inch |
| Resolution | Min 0.1mm/0.01” |
| Measuring range | Standard; 500, 650, 800, 950 and 1020 milimeter and 18”, 24”, 30”, 36” and 40” inch. Scale lengths German certification/classification: 500mm; 600mm; 800mm, 1000mm. |
| Weight | Caliper and terminal: <1kg/2.20 lbs (500mm/18” standard). Terminal only: 150g/6oz. |
| Display | Graphic, 128 x 64 pixles. Highly efficient background light. |
| Communication | USB 2.0 MSD; External serial port via adapter USB (CDC) via adapter. Bluetooth® v4.2 dual mode: (SPP, HID KEYBOARD, BLE) IR receiver for all Vertex and Geo models. |
| Bluetooth® | Bluetooth® v4.2 dual mode: (SPP, HID KEYBOARD, BLE) |
| Clock | Real Time Clock with calendar and time. |
| Signal | Built-in loudspeaker. |
| IP Classification | IP67 Moist/dust resistant |
| Classification | PTB, FPA, CE, FCC. |
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$ 999.90 USD
Add-on combination module for navigation and distance measuring with ultrasound on your DP computer caliper....
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$ 4,444.25 USD
The DP II+ has been significantly upgraded for top performance. With a 120 MHz floating-point processor, 8 GB flash memory, and an improved backlit screen, it's nearly three times faster than its predecessor. Built tough for fieldwork, it’s fully adapted, durable, and well-balanced. It supports a wide range of communication options and is compatible with Vertex 5, Vertex Laser Geo, Laser Geo, PC, and other portable devices.
All Haglöf Sweden products are built for professionals working in tough conditions. The DP II+ meets forestry standards for dust, shock, vibration, temperature, pressure, humidity, and ease of use.

Haglöf Sweden has developed field software for 25 years. We offer a wide selection of ready-made solutions for forestry tasks, in many languages. Contact us with your ideas and we’ll help you find the right solution for your needs.
The DP II+ has strong processing power for calculations and data handling. You can start and finish your workday in the forest with this pocket-sized field computer. All data is securely stored and processed in one place!
Special accessories made for the DP II+ add value and versatility. The Gator Eyes laser pointers let you measure tree diameters from a distance, even in challenging conditions like strong wind or running water.

| Specification | Details |
|---|---|
| Memory | 1GB high-security non-volatile flash file system. 2MB high-speed RAM. 8MB flash for software storage. |
| Processor | Low-power Arm Cortex CPU 120MHz with floating-point unit. |
| Temperature Range | Min -20°C / -4°F, Max 60°C / 140°F |
| Battery | Rechargeable lithium-ion, charges via USB interface. |
| Battery Life | Lasts up to one week per charge, depending on software use. |
| Keys/Buttons | 6 keys. 2 Enter/Execute (one on the keyboard, one on the handle). 4 directional keys (Up, Down, Left, Right). Dual-key shortcuts: Display light, Sleep mode, Escape/Return, IR input. |
| Measurement System | Technical: contactless, sealed. Scale: non-reflective aluminum with clear digits. Jaws: foldable aluminum, patented. |
| Accuracy | ±1mm or 0.039 inches |
| Resolution | Min 0.1mm / 0.01 inches |
| Measurement Range | Standard: 500, 650, 800, 950, 1020 mm and 18", 24", 30", 36", 40". Certified German scale lengths: 500mm, 600mm, 800mm, 1000mm. |
| Weight | Caliper + terminal: <1kg / 2.20 lbs (500mm standard). Terminal only: 150g / 6oz. |
| Display | Graphic display, 128 x 64 pixels. High-efficiency backlight. |
| Communication | USB 2.0 MSD; external serial port via USB adapter (CDC). Bluetooth® v4.2 dual mode (SPP, HID KEYBOARD, BLE). IR receiver for all Vertex and Geo models. |
| Bluetooth® | Bluetooth® v4.2 dual mode (SPP, HID KEYBOARD, BLE) |
| Clock | Real-time clock with calendar and time. |
| Signal | Built-in speaker. |
| IP Rating | Dust/moisture resistant IP67 |
| Certifications | PTB, FPA, CE, FCC |
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The market-leading and technically advanced DP II caliper - program, customize and & accessorize it to fit your exact diameter measuring requirements!
The DP II is an easy-to-use, versatile and super efficient diameter instrument system, adapted for timber cruising, log scaling, and standing tree inventory. Many attractive features make the DP II an optimized and complete solution for modern measurement work in forests and on industries.
DP II ADVANTAGES The DP II is field-ready, fully adapted, rugged and with a well balanced and durable construction. You will quickly notice how easy is communicates through USB, Bluetooth® & IR. It is compatible with your Vertex IV, the VL5, the L5, your PC or other handheld. Since your DP II is fully programmable we have made a truck-load of program options and ready-made software applications. Nevertheless we are always keen on customizing applications for you and your organization. If you feel it is hard to choose, and when your work includes measurement of both standing trees and timber, scaling and cruising, calibration and taxation, you can load your DP II with more than one program and switch between the different applications.
With the DP II you get great field computing features. You work with a rugged field machine with foldable jaws (takes up less space, and is easier to carry with you when moving in the forest). The detachable computer terminal can be used as a stand-alone handheld computer - and if your DP II is equipped with the Radio Enter button, you can keep the tiny (but powerful!) computer in your pocket and send diameter data from your SmartScale.
The DP II offers a multi-language operating system, a non-contact SmartScale measuring system; and rechargeable, long-lasting batteries. Add value and versatility by using the unique accessories and add-ons uniquely designed to use with the DP II.
The DP II is tested. Certified. Approved. Contact us for discussions on how the DP II can be used to increase your efficiency!

All Haglöf Sweden products are designed for field professionals who work outside in more or less extreme conditions. The DP II caliper meets the demands and specifications of foresters regarding dust, shock, vibration, temperature, pressure, moisture and overall user friendliness.
Haglöf Sweden have worked with software programming for field applications for 25 years. We have a great selection of ready-made solutions for most jobs in forest and field, and in many languages. Contact us with your ideas for how you wish to work. Together, we will come up with a solution that fits you and your organization!
— Forest inventory - Timber Cruising - Log scaling — Harvester Calibration— Wildlife & fish inventory — Construction
Ask for customized software, specifically designed for your organization! Work seamlessly; streamline your flow, and most importantly - work the way you want to work, with reports and results presented to you the way you need them to be. Take advantage of our big treasury of ready-made systems. Combine your expertise with our experience and our common will to explore new solutions and ideas. Together we will make it work!
The DP II incorporates great data processing and calculation capacities. Your workday can start and finish off in the forest, with your portable office in the pocket-size DP II computer terminal. All data securely stored and processed in one safe place!
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$ 1,372.50 USD
The DME 301 is the modern evolution of the reliable DME 201, widely used since the 1990s. This new version features advanced electronics, a graphical display, T4 transponder with LED indicators, and innovative functions such as BAF calculation and distance exceedance alerts. Thanks to its ultrasonic technology, the DME 301 provides fast and accurate readings even in densely vegetated environments. It can operate with a T4 transponder or alongside another DME 301 for a variety of applications including forest inventories, layout work, and road construction.
The T4 is the new and improved transponder replacing the T3 and all previous transponders. The T4 is equipped with six built-in LEDs that provide essential feedback:
The T4 is fully compatible with older measuring instruments, making it a perfect upgrade for all users. Introducing the T4 transponder—the future standard for all measuring instruments, including Vertex 5, Vertex Laser Geo, and DME...
| DME 301 | |
|---|---|
| Battery | 1 x 9V alkaline battery |
| Power consumption | 7 mA |
| Operating temperature | -15 °C to +45 °C / 5 °F to 113 °F |
| Ultrasonic frequency | 25 kHz |
| Range | Up to 30 m (98 ft); with 360° adapter: up to 20 m (60 ft) |
| Resolution | 0.01 m / 0.1 ft |
| Accuracy | ±1% or better |
| BAF factors | Variable from 0.0 to 999.9 |
| T4 Transponder | |
|---|---|
| Size | 70 mm diameter (2.8") |
| Weight | 85 g (3 oz) with battery |
| Battery | 1 x 1.5V AA battery |
| Power consumption | Max 9 mW |
| Indicators | 6 LEDs for status and noise detection |
| Compatibility | Compatible with Vertex 5, Vertex Laser Geo, DME, and earlier models |
| 360° Adapter | |
|---|---|
| Diameter | 58 mm (2.3") |
| Height | 45 mm (1.8") |
| Weight | 35 g (1.2 oz) |
| Monopod | |
|---|---|
| Transport length | Part 1: 335 mm (13.2"), Part 2: 320 mm (12.6") |
| Length in use | Min: 350 mm (13.8"), Max: 1390 mm (54.7") |
| Weight | 335 g (11.8 oz) |
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$ 3,102.50 USD
Precision Electronic Clinometer with Distance Calculation Experience enhanced accuracy with the EC II-D, featuring rapid...
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$ 579.90 USD
The EC II D-R is more than just a clinometer—it's an essential tool for forestry professionals seeking accuracy in measuring inclinations, heights, and calculating basal area or volume. Equipped with a factor gauge and integrated functions, this device allows for easy and direct execution of complex calculations, reducing errors and boosting field efficiency. From measuring tree height to computing basal area using different factors, the EC II D-R is engineered to deliver superior functionality and reliable results.
| Size | 20 x 63 x 44 mm |
| Weight | 50 g (including battery) |
| Operating Temperature | -15°C to 45°C |
| Battery | 1 x 1.5V AA alkaline (included) |
| Display | Backlit LCD |
| Height Range | 0 to 999 m (0.1 m resolution) |
| Angle Range | -55° to 85° (±0.2° accuracy) |
| Basal Area Factors (BAF) | 0.5, 1, 2, 4 m²/ha or 5, 10, 20, 40 ft²/acre |
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$ 213.75 USD – Vendido
This device have been updated to the EC II - D and EC II -...
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$ 41.75 USD
Hardened rubber cap is forged with extractor so it won’t work loose. Replacement parts are...
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$ 246.75 USD
Haglöf Sweden is the world's largest producer of increment borers. Our increment borers come in...
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$ 2,761.90 USD
The Laser Geo 2.2 Hypsometer offers precise 3D measurements thanks to its advanced technology combining laser, GPS, compass, and ultrasonic sensors. Ideal for professionals needing long-range measurements with easy data transfer to GIS applications. Its rugged design and long-lasting battery make this instrument an essential tool for fieldwork in any condition.
The 3D Vector function allows you to measure remote targets such as horizontal distances and angles between two points far ahead in the terrain, such as canopy width or river width.
3-point, 2-point, 1-point, or direct measuring – choose your preferred method using the easy-to-follow menu system. A nonmagnification dot sight helps identify individual targets such as treetops and power lines.
Use the built-in GPS to walk and log an area, or stand in the middle of the area and use the integrated GPS, compass, and laser to measure border points. View results directly in Google Earth or other geographic applications.
MAP wood chip piles.
The MAP TRAIL feature lets you gather target coordinates using laser methods, pitch, and azimuth data. Useful for mapping routes or planning forest cableway systems where GPS isn’t precise. The built-in compass continuously shows direction, helping you hit a target accurately.
| Specifications | |
|---|---|
| Dimensions | 93x63x72 mm / 3.7×2.5×2.8” |
| Weight | 243 g / 8.6 oz |
| Battery and Consumption |
|
| Communication | IR, USB 2.0/SSD, Bluetooth BR/EDR, Bluetooth LE V4.2 (LE), Spp (serial profile), PIN code 1234. |
| Temperature | -20° to +45° C / -4°F to 113°F |
| Height | 0-999 m/ft. Height resolution: 0.1 m/ft. |
| Angle | -90° to +90°. Unit: 360⁰ degrees, 400⁰ degrees, and %. Resolution: 0.1⁰. Accuracy: 0.1⁰ typical. |
| Laser |
|
| Area |
|
| GPS |
33-channel high-sensitivity receiver. Supports GPS, Glonass, Galileo, QZSS. Built-in real-time correction with SBAS (EGNOS, WAAS, MSAS, GAGAN). Accuracy up to 2.5 m / 8.19 ft in open terrain. Satellite position prediction up to 3 days. |
| Compass | Azimuth compass 0-360˚, resolution 0.1˚, accuracy < 1.5 RSME˚. |
| Classification | MIL-STD-810E. Frame material: glass-filled polycarbonate, IP67, NEMA6, Laser Class 1, 7 mm (FDA, CFR21) Class 1m (IEC 60825-1:2001). |
| View | Yellow dot target 1x magnification (HUD) Heads-up-display. |
| Display | External graphical LCD 100x60 pixels. Internal display (HUD) Heads-up-display. |
| Data Format | Nmea or ASCII. IR, Bluetooth. |
| File Format | CSV and KML (Google Earth). |
| Memory | 2000 datasets, non-volatile. |
| Other Information | Adapter and monopod stick, 4 parts (33-140 cm). Aluminum carrying/storage case. See the user manual for more details. |
| Transponder T3 | Transponder T4 | |
|---|---|---|
| Size | Diameter 70 mm | Diameter 70 mm/2.8” |
| Weight | 85 g | 85 g/5 oz (Incl. Battery) |
| Battery | 1 AA 1.5V alkaline battery required for T3 | |
| Power Consumption | 9 mW | |
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The Haglöf Laser GEO Hypsometer features a unique combination of high-precision laser, ultrasound, and integrated GPS, compass, and tilt sensors for accurate 3D measurements. Results are displayed on an integrated data screen and an external graphic display.




The Laser Geo instrument is a high-precision laser rangefinder with built-in GPS, compass, Bluetooth, and USB 2.0 for communication. Extreme precision, extreme utility!
| Specifications | |
|---|---|
| Dimensions | 93x63x72 mm |
| Weight | 243 g |
| Battery and Power Consumption |
|
| Communication | IR, Bluetooth® BLE 4.0 class 2, Spp (serial profile), pin code 1234, USB 2.0 / SSD drive. |
| Temperature | -20 ° to + 45 ° C |
| ULTRASOUND (Vertex Laser Geo) |
|
| Height | 0-999 m Height resolution: 0.1 m |
| Angle | -90 ° - 90 °. Unit: 360⁰, 400⁰ Degrees and %. Resolution: 0.1⁰. Accuracy: 0.1⁰ typical. |
| Laser |
|
| Area |
|
| GPS |
33-channel high-sensitivity receiver. Supports GPS, Glonass, Galileo, QZSS. Built-in real-time correction with SBAS (EGNOS, WAAS, MSAS, GAGAN) Accuracy up to 2.5 m / 8.19 ft in open terrain. Satellite position prediction up to 3 days. Multiglobal satellite navigation system based on GPS (USA) / GLONASS (Russia) / Galileo (EU) / QZSS (JAPAN) SBAS Augmentation systems based on satellites: WAAS (USA) EGNOS (EU) GAGAN (India) MSAS (Japan). Built-in auto-generated orbit prediction (TTFF faster up to 3 days), built-in interference cancellation. Accuracy: automatic position 2.5 m CEP (circular probable error) (50% static 24h, -130dBm. Speed 0.1 m / s (50% at 30 m / s. |
| Compass | Azimuth compass 0-360˚, resolution 0.1˚, accuracy <1.5 RSME˚. |
| Classification | MIL-STD-810E. Polycarbonate glass-filled housing frame material, IP67, NEMA6, laser class 1, 7 mm (FDA, CFR21) Class 1m (IEC 60825-1: 2001). |
| View | Yellow point target 1x magnification. |
| Display | 100x60 pixel external LCD graphical display. Internal heads-up display. |
| Data Format | Nmea or Ascii. IR, Bluetooth. |
| File Format | CSV and KML (Google Earth). |
| Memory | 2000 non-volatile data sets. |
| Other Information | Adapter and monopod stick, 4 pieces (33-140cm). Aluminum transport/storage case. Please refer to the user manual for more details. |
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The MD II caliper is a rugged and field-ready Bluetooth® caliper designed for efficient diameter...
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$ 2,879.90 USD
The MD II+ 4.0 caliper from Haglöf Sweden AB is designed to enhance your forestry tasks with advanced technology for measuring tree diameters, heights, and logging details. Equipped with a high-speed 120 MHz floating-point processor and 8 GB of flash memory, this rugged Bluetooth-enabled caliper brings unparalleled efficiency to your fieldwork.
Whether you are conducting detailed tree inventories or scaling logs, the MD II+ 4.0 provides the accuracy and reliability you need to get the job done right. This tool not only measures but also records and transmits data effortlessly, ensuring that your forestry management tasks are performed with precision and ease.
The MD II+ caliper has a large internal memory that can store thousands of measurement results. The memory works similar to a USB memory stick. Stored data is saved in XML file format that can be downloaded to your computer. The communication program MD II+ Com app for Android phones and tablets can be downloaded from Google Play and used to transfer field data. For a fuller communication solution that can present assortments, list of standing trees and more, we offer the MD II+ Com PC communication program.
MD II+ Com is an application for Android tablets and SmartPhones that can be used to read wireless data from the caliper via Bluetooth®. Data is stored as a list in XML files on the Android device. Instead of having to go back to the office, you can share the files via e-mail, Google Drive, Dropbox and more.
Use the MD II+ caliper with the Android app. Share data with your office straight from the field!
Forcípulas, forcipulas, Forcipulas, Forcipula, Forcípula, forcipula, forcípula
| Feature | Detail |
|---|---|
| Memory Capacity | More than 100,000 registers |
| Processor | Low Power Arm Cortex CPU 120MHz includes floating point unit |
| Temperature | Min -20° Max 60°C / Min -4° Max 140° F |
| Battery | Rechargeable Li-ion (1 in terminal +1 in SmartScale), USB-interface charge. Estimated operating time: One week per charge |
| Keys/Buttons |
|
| Measuring System | Non-contact. Accuracy: ±1mm or 0.039 inch |
| Measuring Range | From 500mm/18” to 1000mm/36” (standard) |
| Weight | Caliper and terminal: <1kg/2.20 lbs (standard 500mm/18”). MD II Terminal only: 150g/6oz |
| Display | Graphic, 128 x 64 pixels backlit, graphic interface |
| Communication | USB 2.0 MSD; Bluetooth® v4.2 dual mode (SPP, HID KEYBOARD, BLE); IR receiver |
| Bluetooth® | v4.2 dual mode (SPP, HID KEYBOARD, BLE) |
| Signal | Built-in loudspeaker |
| Classification | IP67 Moist/dust resistant, CE, FCC, IC certified |
| Model | Length |
|---|---|
| Mantax Digitech II+ 320 mm | 320 mm |
| Mantax Digitech II+ 500 mm | 500 mm |
| Mantax Digitech II+ 600 mm | 600 mm |
| Mantax Digitech II+ 650 mm | 650 mm |
| Mantax Digitech II+ 800 mm | 800 mm |
| Mantax Digitech II+ 950 mm | 950 mm |
| Mantax Digitech II+ 1000 mm | 1000 mm |
| Mantax Digitech II+ 18 inches | 18 inches |
| Mantax Digitech II+ 24 inches | 24 inches |
| Mantax Digitech II+ 30 inches | 30 inches |
| Mantax Digitech II+ 36 inches | 36 inches |
| Mantax Digitech II+ 40 inches | 40 inches |
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$ 7,214.25 USD
It is a versatile system for individual positioning in coordinate systems within sample plots. The Postex system is often used in combination with Haglöf Sweden DP II or Digitech Professional computer calipers and the Postex software application. Data can be exported as a CSV file, which can easily be used for visualization and analysis in, for example, ArcGIS Online. With Postex Laser, you can collect more field data in less time while using reliable technology. The Postex instrument solution has been developed in collaboration with leading scientists.
The Postex Laser instrument system allows you to select the height measurement method according to the terrain and situation. It works with a high-precision laser with filter function, as well as reliable and proven ultrasound technology.
The Postex Laser instrument is durable and features a user-friendly interface. Results can be transferred via Bluetooth or IR to your computer caliper or handheld device. For optimal efficiency, use the Postex Laser instrument in a complete system solution including the DP II computer caliper and the software application.
Establish X and Y coordinates on individual trees, measure long and short distances quickly and accurately, select between different height measurement methods, and use in a complete Postex system with computer caliper and customized software for efficiency and uninterrupted workflow.

Perform a sample plot inventory to obtain X,Y coordinate positions of individual trees.

Postex includes high-precision laser technology, ideal for fast results and measuring distances up to 700 meters. The image shows the instrument mounted on a monopod (accessory).
For shorter ranges and particularly for circular plot inventories and also for working in dense forests, use the proven and reliable Vertex ultrasound method. The ultrasound method is fundamental for positioning individual trees with Postex Laser.


Postex offers different options for measuring heights. Choose according to the environment and needs when on site.
The Postex Laser instrument features angles in degrees, grads, and percentages. The camera-type monopod with foot support is an accessory that can be used with Postex, VL5, and L5 when a more stable target is required.


This is the most common Postex system model, often used together with a Haglöf computer caliper such as the DP II or Digitech Professional.
The Postex Laser instrument includes ultrasound and laser technology for easy and accurate height measurement of individual trees. The instrument features a user-friendly design and rugged exterior combined with elegant and advanced internal functionality. With ultrasound, you will not be limited by line-of-sight measurements.
It is a customized and complete solution recommended for users who prefer ultrasound technology to be available in the DP II computer Caliper with a custom-programmed Postex add-on. In System 2, tree heights are measured with the L5 laser instrument. The DP Postex is installed in the DP II Caliper and is used to measure distances, forming the basis for positioning individual trees and other objects in permanent sample plots. The DP II Caliper and Postex software handle all calculations and processing of all input information.
Note: The DP II computer Caliper and the Postex software license are mandatory.
It is suitable when positioning work does not involve height or diameter measurements, for example in plantations, research, and monitoring work.
Ultrasound technology is useful for positioning, for example, seedlings. In System 3, the DP Postex add-on is installed in the DP II computer terminal. The DP II terminal is programmed with the Postex software license. The DP II terminal is used as a standalone computer in this case, and a measuring scale for diameter measurement is not included in System 3.
The DP II terminal and the Postex software license are mandatory for System 3.
| Features | |
|---|---|
| Laser | |
| Dimensions | 93 x 63 x 72 mm |
| Weight | 243 g |
| Battery | Rechargeable 3.7V Li-Ion, built-in, approx. 9000 measurements. Max charging time 3.5h. USB mini Interface B wall charger 110 / 220AC / 5VDC; 12VDC car charger adapter. USB mini B male / USB Type A Male cable, 0.5m. Max consumption 0.9W. |
| Communication | IR, Bluetooth® class 2, Spp (serial profile), PIN code 12345 |
| Temperature | -20° to +45° C/ -4°F-113°F |
| Height | 0-999 m / ft. Height resolution: 0.1 m / ft |
| Angle | Angle: -55 ° - 85 °. Unit: 360⁰ Degrees, 400⁰ Grads and %. Resolution: 0.1⁰. Accuracy: 0.1⁰ |
| Ultrasound | Distance: 20 m / 60 ft. Accuracy distance: 1% or better. Resolution distance: 0.01m / 0.1ft |
| Laser | Distance: 46cm / 1.5ft - 700m / 2000ft depending on the target. Accuracy: 4 cm / 0.1 ft. Resolution: 0.1m / ft (0.01m / 0.1ft in DME mode) |
| Shock / Vibration / Humidity / Laser Classification: | MIL-STD-810E. Glass-filled polycarbonate frame material housing, IP67, NEMA 6, class 1 laser, 7 mm (FDA, CFR 21) Class 1m (IEC 60825-1: 2001) |
| Vision | LED sight 1 x magnification |
| Display | 100x60 pixel graphic LCD |
| Data Format | NMEA or ASCII |
| Other | Aluminum transport / storage case. Refer to the user manual for more details |
| Transponders and Rack | |
| Dimensions | 70 mm / 2.8" diameter per transponder |
| Weight | 85g |
| Battery | 1.5V AA alkaline battery per transponder |
| Consumption | max 9mW |
| Rack | Complete with adapters, approx. weight 4.85kg / 194oz. Adapter / TRP at 115 cm / 44.85" from center, arm extending to 125cm / 48.75". Expandable rack |
| DP Postex | |
| Dimensions | 57 x 30 x 30 mm |
| Weight | 25g |
| Power Supply | External 3.3V power supply. Consumption: 7mA |
| Ultrasonic Frequency | 25kHz |
| Unit | cm / set in the receiver software |
| Accuracy | 1% or better |
| Distance | > 15m with 360° adapter |
| Protocol | NMEA with 360° adapter |
| Interface | RS232 19200,8,N,1 |
| Accessories | Transponders, adapters, Postex rack, DP II computer terminal, software |
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$ 443.75 USD
Make your own data collection software for DP II and Digitech Professional Develop custom programs...
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