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44212 Temperature Thermilinear Probe (-50° to +50° C)
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Overview

The Model 44212 (Air/Soil/Water) and 44212EC (Air) Temperature probes use thermistors to measure temperature. The probes contain a YSI 44212 thermilinear network. The 44212 and 44212EC probes are designed to be housed in the 41303-5A six plate Gill radiation shield or equivalent. The radiation shield is used to mount the 44212 and 44212EC probe and limit solar radiation loading. The 44212 temperature probe is also designed to be buried or submerged in water up to 200 feet. A ten foot lead length is standard on the 44212. Custom lead lengths are available up to 1000 feet.

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Detailed Description

The Model 44212 (Air/Soil/Water) and 44212EC (Air) Temperature probes use thermistors to measure temperature. The probes contain a YSI 44212 thermilinear network. The 44212 and 44212EC probes are designed to be housed in the 41303-5A six plate Gill radiation shield or equivalent. The radiation shield is used to mount the 44212 and 44212EC probe and limit solar radiation loading. The 44212B temperature probe is electrically identical, but is designed to be buried or submerged in water up to 200 feet. A ten foot lead length is standard on the 44212. Custom lead lengths are available up to 1000 feet.

Specifications

YSI Thermilinear Network Specifications

  • 44212 Linear Range:

-50 to +50°C

  • Linearity Deviation: ±0.09°C
  • YSI Components Used in 44212 Network 44020 Thermistor:

T1=2,000 Ω @ 25°C

T2=15,000 Ω @ 25°C

T3=45,000 Ω @ 25°C

  • Maximum Operating Temperature:

55°C (131°F)

  • Accuracy and Interchangeability:

- ±0.1°C 44312

  • Resistor Set

R1 = 23,100 Ω

R2 = 88,200 Ω

R3 = 38,000 Ω

  • Resistor Error: 

±0.15°C @ -50°C, ±0.03°C @ +50°C

Compatibility

Mounting

The 44212 should be housed in a 41303-5A 6-plate naturally-aspirated solar radiation shield. This radiation shield mounts to a tripod or tower mast, crossarm, or user-supplied pole.

Datalogger Considerations

Compatible Contemporary Dataloggers

CR200(X) Series CR800/CR850 CR1000 CR3000 CR5000 CR7X CR9000X

Compatible Retired Dataloggers

CR500 CR510 CR10 CR10X 21X CR23X CR9000

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