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HC-S3 Rotronic HygroClip Relative Humidity and Temperature Probe
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Overview

The HC-S3 Temperature and Relative Humidity Probe is a rugged, accurate probe manufactured by Rotronic Instrument Corp. and is ideal for long-term, unattended applications. The probe uses HygroClip technology to measure RH and a Pt100RTD to measure temperature. The probe connects directly to Campbell Scientific dataloggers such as the CR10X, CR23X, CR510, CR1000, or CR200 Series Dataloggers.

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Benefits and Features

  • Well-suited for long-term, unattended applications
  • Accurate and rugged
  • Compatible with all Campbell Scientific dataloggers (including the CR200(X) series)
  • Interchangeable sensor head for easy maintenance

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Detailed Description

Each HygroClip probe is 100% interchangable and can be swapped in seconds without any loss of accuracy, eliminating the downtime typically required for the recalibration process. A radiation shield (Model 41003-X) should be used when the HC-S3 is exposed to sunlight.

Specifications

  • Relative Humidity Operating range: 0 to 100%
  • RH Accuracy at 23°C: ±1.5%
  • RH Output: 0 - 1 VDC
  • Typical Long-Term Stability: Better than ±1% RH per year
  • Temperature Measurement Range: -40° to +60°C or -50° to +50°C (model HC-S3-XT)
  • Temperature Accuracy: -30°C - +60°C: ±0.2°C or -50°C - +60°C: ±0.6°C (worst case)
  • Output: 0 - 1 VDC
  • General Supply Voltage: 3.5 to 50 VDC (typically powered by datalogger’s 12 VDC supply)
  • Current Consumption: < 4 mA
  • Diameter: 0.6” (15.25 mm)
  • Length: 6.6” (168 mm)
  • Housing Material: Polycarbonate

Compatibility

Mounting

When exposed to sunlight, the HC-S3 must be housed in a 41003-X 10-plate naturally-aspirated solarradiation shield. To attach the 41003-X to a CM202, CM204, or CM206 crossarm, place the 41003-X’s u-bolt in the bottom holes. To attach the radiation shield directly to a tripod mast, tower mast, or tower leg, place the u-bolt in the side holes.

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