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| | .jpg) | IRR-P
The IRR-P is a precision infrared radiometer made by Apogee Instruments that makes continuous measurements in field conditions. The IRR-P is composed 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. | |
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| | .jpg) | 107
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. | |
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| | .jpg) | 108
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. | |
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| | .jpg) | 109
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. | |
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| | .jpg) | CS547A
Campbell Scientific's CS547A conductivity sensor measures the electrical conductivity (EC), total dissolved solids, and temperature of water. The CS547A is suitable in most surface water, laboratory, and industrial applications. EC is measured with three cylindrical stainless steel electrodes mounted in an epoxy housing. The electrode configuration eliminates ground loop problems associated with sensors in electrical contact with earth ground. Temperature is sensed with a thermistor. | |