Perforadores y calibradores

EMS Band Dendrometer DRS26 for Large Trees from 30 cm

Precisely Monitors Radial Tree Growth With Fast Detup for Research and Forestry Applications

The EMS DRS26 band dendrometer is a digital sensor that accurately measures the circumferential increment of large tree trunks with micrometer precision, without affecting their natural growth. Its non-invasive design and high resolution make it ideal for studies of plant growth, water stress, and environmental response.

Features

Precise digital measurement with sub-micrometer resolution.

Non-invasive installation that does not affect tree growth.

No upper limit on trunk diameter.

SDI-12 digital output for easy integration with monitoring systems.

Low maintenance and energy requirements.

64 mm measurement range for circumferential growth.

Provides data on growth, water stress, and trunk freezing.

Compatibility with different tree diameters by changing the base plate.

Non-Invasive Tape Fixing System

The EMS DRS26 dendrometer uses a tape fixing system (D RL 26 C) that does not damage the tree or affect its natural growth. This innovative method:

No effect on tree growth
Integrated value for the entire radial profile at the measured height
Almost identical thermal expansion of wood and stainless steel

Complex Dendrometric Data

Dendrometer data

Efficient tool for field measurement
Includes information on growth, water stress, and trunk freezing
Low maintenance and energy requirements compared to sophisticated systems like sap flow
Together with soil water potential measurement, it provides a realistic picture of water stress and tree response

SDI-12 Data Output Asynchronous serial communications protocol for intelligent microprocessor-based sensors. The sensor typically takes a measurement, performs calculations based on the raw sensor reading, and outputs the measured data in engineering units. It allows the connection of a set of sensors in series on a cable line. For more information, visit the SDI-12 website. Measure trees with different diameters by simply changing the base plate.

Output	SDI-12 version 1.3
Circumferential Increment Measurement Range	64 mm
Linearity	1% of full scale
Resolution	1μm
Internal Temperature Accuracy	± 0.2 °C
Protection Grade	IP68
Weight	350 g
Operating Temperature	–40 to 60 °C
Operating Humidity	0 to 100%
Fixing	Non-invasive by tape

EMS DRS26 Dendrometer
Base plate (model according to purchased version)
Non-invasive fixing system
User manual

SDI-12 compatible data acquisition system
Connection cables (not included, depend on configuration)

Additional base plates for different tree diameters
Complementary weather stations
Additional soil water potential sensors

Precision and Connectivity at the Best Price

Measure with professional accuracy thanks to its ±0.0005" resolution and Bluetooth connectivity, ideal for demanding environments with IP67 dust and water protection.

The Electronic Caliper offers precise measuring capabilities ranging from 0 inches to 12 inches (0mm to 300mm) with a resolution of ±0.0005 inches (±0.01mm) and an accuracy of ±0.0015 inches (±0.04mm). This stainless steel caliper is designed to measure depth, internal diameter, external diameter, and step. With a jaw length of 60.00 mm, stainless steel jaws, and data output capabilities, it ensures accurate and reliable measurements. With an IP67 rating, this caliper is resistant to dust and water, making it durable for various environments and applications.

Key Features

NEW HID Interface - no dongle needed

Extra battery tray and 1" standard included

Supplied with NIST certification

Measuring range: 0 - 12"/0 - 300mm

Accuracy: 0.0015"/0.04mm

Heavy-duty frame with 4-way measurement

Super large display

Bluetooth on an electronic caliper at an economical price

Protected with an IP67 rating

Specifications
Max Measurement (Decimal Inch)	12	Max Measurement (mm)	300
Measuring Range	0in to 12in, 0mm to 300mm	Resolution	±0.0005in, ±0.01mm
Accuracy	±0.0015in, ±0.04mm	Data Output	Yes
Data Output Type	For use with Wireless Transmitter	IP Rating	IP67
Calibrated	No	Caliper Material	Stainless Steel
Jaw Material	Stainless Steel	Jaw Style	Inside/Outside
Jaw Length (Decimal Inch)	2.3500	Jaw Length (mm)	60.00
Traceability Certification Included	NIST	Application	Inside Diameter; Step; Outside Diameter; Depth
Jaw Type	Knife-Edge	Offset Jaw	No
Maximum Inside Diameter Measurement (Inch)	12	Jaw Adjustment Type	Thumb Wheel
Power Source	Battery
Batteries Included	Yes	Battery Chemistry	Lithium
Battery Size	CR2032	Finish	Stainless Steel
Includes Inside Diameter Jaws	Yes	Includes Depth Measuring Rod	Yes
Includes	Case, Battery	Standards	NIST Traceable Certificate
Series	IP67 Plus	UNSPSC Code	41111621

Fowler Electronic Caliper
Case
Battery

None

Data analysis software
Printer for measurement results
Magnetic stand
Replacement caliper

User Manual (English)

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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EMS Band Dendrometer DRS26 for Large Trees from 12 in

EMS Band Dendrometer DRS26 for Large Trees from 30 cm

Precisely Monitors Radial Tree Growth With Fast Detup for Research and Forestry Applications

Features

Non-Invasive Tape Fixing System

Complex Dendrometric Data

Fowler Electronic Caliper Up to 300mm IP67 with Bluetooth ²⁵

Precision and Connectivity at the Best Price

Measure with professional accuracy thanks to its ±0.0005" resolution and Bluetooth connectivity, ideal for demanding environments with IP67 dust and water protection.

Key Features

Haglöf Digitech Professional II Computer Calipers DP II + Built-in Bluetooth ²⁵

DP II+ Caliper – A Breakthrough in Forest Measurement Efficiency

The DP II+ is an easy-to-use, versatile, and highly efficient diameter measurement system, designed for tree inventory, log scaling, and standing tree inspections. With a range of impressive features, it offers a complete and optimized solution for modern forest and industry measurement work.

Key Features:

BUILT TO LAST

SOFTWARE DEFINES CAPABILITY

FIELD COMPUTING POWER

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