Meteorological Equipment

ClimaVue 50 G2 Weather Sensor

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Next-Generation All-In-One Sensor

Compact And Precise Weather Monitoring With Minimal Power Consumption, Dual Precipitation Sensors, And Enhanced Durability For Extreme Conditions.

The ClimaVue™50 G2 is the next-generation all-in-one meteorological sensor from Campbell Scientific that combines all the typical weather parameters into one compact and rugged design. It improves on its predecessor with enhanced precipitation measurements, a redesigned wind sensor (0 to 60 m/s), and better UV resistance. The sensor has also been updated to use the new eight-pin M12 connector, seamlessly integrating with the Aspen™10 Edge Device for a plug-and-play installation.

The affordable ClimaVue 50 G2 reports various weather parameters via SDI-12, sips approximately 1 mA of power at 12 Vdc, and includes an integrated leveling base and tilt sensor for easy maintenance and monitoring. Perfect for quick deployment, remote locations, large networks, or simple setups, the ClimaVue 50 G2 is a superior and reliable choice.

Features

• All the common meteorological measurements with one simple digital (SDI-12) output
• Improved wind speed measurements up to 60 m/s
• Dual precipitation sensors for improved reliability and accuracy
• Lowest power consumption (1 mA at 12 Vdc) of any all-in-one weather sensor
• Integrated leveling base and tilt sensor
• Low maintenance—only one moving part
• Improved UV and corrosion resistance
• No sensor configuration required
• Compact design for quick, low-impact installation
• Compatible with all modern Campbell Scientific data loggers
• Detachable cable facilitates field replacement

Technical Description

Sensors

All sensors are integrated into a single, small form-factor unit, requiring minimal installation effort. With only one moving part, the design requires minimal maintenance and is ideal for long-term, remote installations.

Pyranometer

Solar radiation is measured by a pyranometer that is integrated into the lip of the rain gauge funnel at the top of the ClimaVue 50 G2. The miniature pyranometer uses a silicon-cell sensor to measure the total incoming (direct and diffuse) solar radiation. Silicon-cell sensors have an excellent response time to changing radiation conditions and acceptable sensitivity across the solar spectrum, which make them well-suited for use on the ClimaVue 50 G2.

A carefully developed cosine-correcting head ensures accurate readings regardless of sun angle, while the carefully researched optical filter material balances cost and performance to ensure the silicon-cell provides the ClimaVue 50 G2 with high accuracy regardless of temperature or sensor age.

Anemometer

The ClimaVue 50 G2 measures wind speed in the space beneath the rain gauge. Ultrasonic signals emitted from transducers positioned at right angles to each other reflect off a curved plate and return to the opposite sensor. Wind affects the speed of sound, and the wind speed is calculated by measuring differences in the travel time for the sound waves.

Significant enhancements have been made to the wind sensor on the ClimaVue 50 G2. The redesigned transducer geometry doubles the measurable wind speed. The hydrophobic coating on the transducers and the improved reflector plate design help prevent moisture accumulation, enhancing reliability in various weather conditions and contributing to the sensor’s robustness. These improvements enable the ClimaVue 50 G2 to measure wind speeds up to twice the range of its predecessor, making it a highly efficient and durable tool for meteorological observations.

Temperature Sensor

The ClimaVue 50 G2 temperature measurement is made in the center of the anemometer area where a small, stainless-steel needle containing a tiny temperature sensor (thermistor) extends from the middle of the four sonic transducers in the center of the anemometer.

Unlike most air temperature measurements, the temperature sensor is not covered with louvered plates to protect it from solar heating. Instead, it sits in open air, susceptible to solar heating of the instrument body. However, the ClimaVue 50 G2 accurately corrects the measured air temperature because solar radiation and the wind speed are known. These two are the main variables that determine the error between measured air temperature and the actual air temperature. An energy balance equation is then used to calculate what the actual temperature should be to an accuracy of ±0.6°C.

Relative Humidity Sensor

The relative humidity sensor on the ClimaVue 50 G2 is located behind the circular Teflon screen close to the sonic transducers. The Teflon screen protects the sensor from liquid water and dust while allowing water vapor to freely pass to the sensor. The ClimaVue 50 G2 measures relative humidity and temperature and computes vapor pressure.

Rain Gauge

The ClimaVue 50 G2 features a redesigned precipitation sensor with dual-sensing technologies that significantly improve the sensor's reliability and range.

Drop Counter

Gold-plated pins are positioned directly below the collection funnel and precisely count each drop of rain as it falls through the funnel, providing an impressive 0.017 mm resolution for dew and rain.

Tipping Spoon

In addition to counting drops, a tipping spoon has been added below the drop counter, extending the precipitation range up to 1,500 mm/h for heavy rain events and providing redundant measurements to improve reliability.

Note: This non-heated sensor is not suitable for solid precipitation measurements or riming environments.

Tilt Sensor

The ClimaVue 50 G2 is also equipped with a tilt sensor. The primary use of the tilt sensor data is to ensure the ClimaVue 50 G2 remains level at all times. Regularly check X and Y tilt data to ensure the ClimaVue 50 G2 is level; if it has tilted, return to the site and level again. Three degrees off level can cause errors in the rain and solar radiation measurements. Although this sensor's readings may be used to level the instrument during installation, it is much easier to use the small bubble level on the bottom of the anemometer plate.

Mounting

The ClimaVue 50 G2 includes a V-bolt for mounting to a pipe with a nominal outer diameter of 31.8 to 50.8 mm (1.25 to 2.0 in.). This allows the sensor to mount directly to a tripod mast or CM300-series mounting pole, or to a crossarm using the 17387 mounting pipe kit. An integrated accelerometer, leveling base, and bubble level make for trouble-free installation and assurance that the sensor is always properly sited with valid measurements.

• Specifications
• In the Box
• Required Items
• Optional Items
• Documents

• 
  

  Measurements Made	Air temperature, barometric pressure, lightning average distance, lightning strike count, precipitation, precipitation electrical conductivity (EC), relative humidity, solar radiation, tilt, wind direction, and wind speed
  Output	SDI-12
  Operating Temperature Range	-50° to +60°C (generally) -40° to +60°C (barometer and RH sensors) 0° to +60°C (precipitation sensor, but will not measure solid precipitation)
  Minimum Supply Voltage	3.6 Vdc continuous
  Maximum Supply Voltage	15.0 Vdc continuous
  Typical Current Drain @ 12 Vdc	< 1 mA (average)
  Typical Measurement Duration	110 ms
  Maximum Measurement Duration	3,000 ms
  Maximum Polling Frequency	10 s
  Application of Council Directive(s)	2014/30/EU: Electromagnetic Compatibility Directive (EMC) 2011/65/EU: Restrictions of Hazardous Substances Directive (RoHS2) 2015/863/EU: Amending Annex II of RoHS Directive 2011/65/EU: Phthalates Restrictions (EU)
  Standards to Which Conformity Is Declared	EN 61326-1:2013: Electrical equipment for measurement, control, and laboratory use—EMC requirements—for use in industrial locations EN 63000:2018: Technical documentation for the assessment of electrical and electronic products with respect to the restriction of hazardous substances
  Connection Description	1.25 m (4 ft) pigtail with 8-pin M12 (male) connector; marine-grade 316 stainless-steel knurl
  Diameter	10 cm (4 in.) including rain gauge funnel
  Height	28 cm (11 in.) including rain gauge funnel
  Weight	850 g (1.87 lb)

  
  

  Power Consumption

  Quiescent	0.3 mA
  Maximum Peak Current	33 mA
  Average Using the R7! Command every 10 s	1.0 mA
  Average Using the R7! Command every 60 s (or slower)	0.4 mA

  
  

  Air Temperature

  Measurement Range	-50° to +60°C
  Resolution	0.1°C
  Accuracy	±0.6°C

  
  

  Relative Humidity

  Measurement Range	0 to 100%
  Resolution	0.1%
  Accuracy	±2.5% RH typical (varies with temperature and humidity)

  
  

  Barometric Pressure

  Barometer Operating Temperature Range	-40° to +60°C
  Measurement Range	10 to 1200 hPa
  Resolution	0.1 hPa
  Accuracy	±0.1 hPa (over the range of -10° to +50°C) ±0.5 hPa (over the range of -40° to +60°C)
  Long-Term Drift	< 1 hPa/year

  
  

  Vapor Pressure

  Measurement Range	0 to 47 kPa
  Resolution	0.01 kPa
  Accuracy or Repeatability	Varies with temperature and humidity; ±0.2 kPa typical below 40°C

  
  

  Wind Speed

  Wind Speed Maximum	3 s gust
  Measurement Range	0 to 60 m/s (0 to 135 mph)
  Resolution	0.01 m/s (0.02 mph)
  Accuracy or Repeatability	0.3 m/s (0.67 mph) or 6%, whichever is greater

  
  

  Wind Direction

  Measurement Range	0° to 359°
  Resolution	1°
  Accuracy	±5°

  
  

  Solar Radiation

  Measurement Range	0 to 1750 W m-2
  Resolution	1 W m-2
  Accuracy	±5% of measurement (typical)
  Spectral Range	300 to 1150 nm

  
  

  Precipitation

  Measurement Range	0 to 1,500 mm/h (60 in./h)
  Resolution	0.017 mm
  Accuracy	±5% of measurement (from 0 to 1,000 mm/h or 0 to 40 in./h)

  
  

  Tilt

  Measurement Range	0° to 180°
  Resolution	0.1°
  Accuracy	±1°

  
  

  Lightning Strike Count

  Measurement Range	0 to 65,535 strikes
  Resolution	1 strike
  Accuracy	> 25% detection at < 10 km typical (variable with distance)

  
  

  Lightning Average Distance

  Measurement Range	0 to 40 km (0 to 24.9 mi)
  Resolution	3 km (1.86 mi)
  Accuracy	Variable

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  • 1x ClimaVue 50 G2
• 
  
  • Data Logger: The ClimaVue 50 G2 uses an SDI-12 digital output, requiring a compatible data logger to collect and store weather data.
  • Power Supply: Requires a continuous power supply within the range of 3.6 to 15 Vdc for proper operation.
  • Mounting System: Includes a V-bolt for attachment to a mast or pole with an outer diameter of 31.8 to 50.8 mm (1.25 to 2.0 inches).
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  • Aspen™10 Edge Device: For advanced IoT-based weather monitoring solutions.
  • Bird Spike Kit (35048): Prevents birds from perching and obstructing the rain gauge funnel.
  • CampbellGo™ Application: Allows direct wireless connection to the Aspen 10 device for monitoring and configuration.
• 
  

  Product Brochures

  • ClimaVue™50 G2 Premium Brochure
  • ClimaVue™50 G2 Compact, Digital, SDI-12 Weather Sensor

  Compliance

  • ClimaVue™40 and ClimaVue™50 Certificate of Conformance
  • ClimaVue™40 and ClimaVue™50 FCC Supplier Declaration of Conformity

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Storm Pro 2 Storm Detector

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The StormPro2 gives you advanced weather alert technology that you can use indoors or outdoors, and take anywhere for any outdoor activities.

Features

• Includes premium rechargeable 9V battery
• International multivoltage charger and international plug included
• Tracks dangerous thunderstorms from over 200 kilometers away
• Large backlit LCD screen with over 50 storm status updates, including: Storm distance, estimated arrival time, and time to clear
• Automatically displays distance in both miles and kilometers
• Visual and audible storm warning alerts
• Rechargeable on any voltage and plug type worldwide
• Low battery indicator

The StormPro2 utilizes the latest miniature electronic technology to detect the electromagnetic (EM) signature of lightning in storms up to 208 km away. Once the storm is within 120 km of you, the StormPro2 provides a warning using four different methods: Text messages on the LCD screen, color change of the tension indicator (LED), and sounding an audible tone. All tracking and alert functions of the StormPro2 are automatic when the unit is on, and several are configurable through easy menu selections.

Note: There are two types of lightning produced by thunderstorms, "cloud to ground" and "cloud to cloud," also called heat lightning. For any user on the ground, "cloud to ground" lightning is the most dangerous. The StormPro2 is designed to detect "cloud to ground" lightning. There may be occasions when storms will produce "cloud to cloud" lightning movements that are not detected by the StormPro2, but extreme caution should always be used when exposed to thunderstorms. The StormPro2 Storm Tracker alerts you to thunderstorms within 120 km of your location using electromagnetic field detection technology, generated by lightning, which can be found in a storm cell. The equipment detects multiple cells near you, estimating information about the range and speed of the nearest storm cell, and indicating any other active storms in the area.

The unit detects multiple cells near you and provides range and speed information about the nearest cell, plus an indication of other active cells in your area. Indicators will also alert you to squall lines or supercell storms (supercells make up about 10% of all thunderstorms and are larger and much more violent than normal storms.) When lightning activity is detected, information related to the activity is displayed in a set of two-line messages on the LCD screen. Messages repeat every few seconds, so any particular message repeats within a short period of time.

While the StormPro2 remains on, it continuously accumulates lightning activity data from storm cells within its detection range. As more data accumulates about any particular storm cell, more accurate position and speed information is displayed for the user. Once the unit determines that a storm is eight miles (13 km) from your location, the StormPro2 warns that the storm is LOCAL.

The StormPro2 will maintain this warning until the storm has moved beyond the 13 km range. While the storm is local, the unit will calculate and display the estimated time for the storm cell to move beyond the 13 km range. As lightning from the storm continues to register, the time to clear will update. It continuously monitors EM activity from detected storms and uses this data to provide alert information about supercell storms and squall lines to the user when detected. These two types of storms produce strong winds and extreme rain and can generate tornadoes.

• Specifications
• In the Box
• Required Items
• Optional Items
• Documents

• • Technical Specifications (Spanish)
• • Detector
  • Battery
  • Charger
  • Manual
• • None
• • CR2032 Batteries
  • Wall Mount
  • Transport Case
  • Adapter
• • User Manual (English)
  • Technical Specifications (Spanish)

(S 30/9/2020, JC 20220714)

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