Campbell Scientific, Inc.Logan, UT
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 107-L Temperature Sensor

The 107 is a general purpose sensor that can be used to accurately measure the temperature of a variety of media, most commonly air, water, and soil.

The 107 temperature sensor consists of a thermistor encapsulated in a cylindrical aluminum housing. The probe measures temperature from -35° to +50°C and is designed for durability and ease of installation/removal.

Features
  • Sensor measures air, soil, or water temperature
  • Incorporates a thermistor as the active element
  • Recommended for -35° to +50°C temperature range
  • Naturally aspirated radiation shield recommended when temperature sensor is exposed to sunlight
 
   
 108-L Temperature Sensor

The 108 is a general purpose temperature sensor that can be used to accurately measure the temperature of a variety of media, most commonly air, water, and soil.

The 108 consists of a thermistor encapsulated in a cylindrical aluminum housing. The probe measures temperature from -5° to +95°C and is designed for durability and ease of installation/removal.

Features
  • Sensor measures air, soil, or water temperature
  • Incorporates a thermistor as the active element
  • Recommended for -5° to +95°C temperature range
  • Naturally aspirated radiation shield recommended when sensor is exposed to sunlight
 
   
 109-L Temperature Probe
for CR200-series Dataloggers


The 109-L Temperature Probe is a thermistor used with our CR200-series dataloggers. The CR200-series dataloggers have a special instruction for measuring the 109 probe. The 109 is designed to measure the temperature of air, water, or soil. For air temperature measurements, the 41303-5A solar radiation shield is typically used to house the probe, while limiting solar loading on the sensor.

Features
  • Temperature probe for use with CR200-series dataloggers
  • Sensor measures air, soil, or water temperature
  • Temperature range is -50° to +70°C
 
   
 IRR-P
Apogee Precision Infrared Radiometer


The IRR-P is a precision, infrared radiometer made by Apogee Instruments that makes continuous measurements in field conditions.The IRR-P is comprised of a thermopile, which measures surface temperature, and a thermistor, which measures sensor body temperature. The two temperature probes are housed in a rugged aluminum body that contains a germanium window. Both the thermopile and the thermistor output a millivolt signal. Our dataloggers measure the millivolt signals and apply the Stefan-Boltzman equation, which corrects for the effect of sensor body temperature on the target temperature.

Features
• Measures surface temperature continuously in the field
• Allows measurement of road surface, plant canopy, soil surface, snow surface, water surface, and sky temperatures
• Mounts to a crossarm, mast or user-supplied pole via a CM230 adjustable Inclination Mount
 
   
 ASPTC-L
Aspirated Thermocouple


The ASPTC is a white, elongated radiation shield that reduces solar loading on a thermocouple by drawing air across the measurement junction with a fan. The radiation shield also protects the sensor, increasing its durability.

Typically, one ASPTC is mounted to each sensor arm in a Bowen ratio system. One ASPTC can either replace, or be measured in addition to, TCBR thermocouples. In a standard configuration, lead lengths of 15 feet are recommended for both signal and power cables.

Features
  • Uses fine wire thermocouple for highly accurate air temperature measurements
  • Includes aspirated radiation shield
  • Solar loading on thermocouple reduced by drawing air across the measurement junction with a high-powered fan
  • Intake velocity is 5.5 m/sec
  • Fan requires 12 Vdc power supply
  • Fan average active current drain is 142 mA
 
   
 43347-L
R.M. Young RTD Temperature Probe


The 43347 probe is typically used in air quality applications to obtain the "delta temperature." Air temperature is measured at 2 and 10 meter measurement heights to determine atmospheric stability as required by the EPA (also referred to as "delta temperature" measurement).

The typical configuration consists of two calibrated probes housed in aspirated radiation shields mounted at 2 and 10 meters on a 10 m tower.

Features
  • Uses RTD for highly accurate air temperature measurements
  • Requires 43408 Aspirated Radiation Shield (uses 6.5 W)
  • Suitable for measuring delta T (typically 2 and 10 m measurement heights) to calculate atmospheric stability class
  • Mounts inside 43408 Aspirated Radiation Shield
  • Manufactured by RM Young
 
 

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