EGM-5 Operation Manual V. 1.04 16 support@ppsystems.com
STP-2 Soil Temperature Probe
An optional soil temperature sensor can be used with the EGM-5 for measurement of soil temperature. It
is commonly used with the SRC-2 Soil Respiration Chamber and CPY-5 Canopy Assimilation Chamber.
It is a rugged sensor with electronics housed in an anodized aluminum
enclosure with stainless steel tip.
• Dimensions: Handle: 200 mm (Length) x 18.7 mm (Diameter)
Tip: 125mm Length
• Cable Length: 1.5 meters
Temperature Sensor (Precision Thermistor)
• Range: 0-50
o
C
• Accuracy: ± 0.3
o
C at 25
o
C
Soil Moisture and Soil Temperature Sensor
An optional soil moisture and soil temperature sensor (HydraProbe II - Stevens Water Monitoring
Systems) is available for use with the EGM-5. It is an all-in-one, in-situ sensor that can measure both soil
moisture and soil temperature.
Soil Moisture Sensor
• Range: 0-100% ((dry to fully saturated)
Soil Temperature Sensor
• Range: -10
o
C-55
o
C
• Accuracy: ± 0.3
o
C at 25
o
C
Cable Length: 5 meters
For best results the 3 prongs should be pushed all the way into the ground until the white body of the
sensor is flush with the soil surface.
Recalibration of this sensor is not necessary.
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