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Overview
The CS215-MET2 is a temperature and relative humidity kit with a mil-spec connector on the cable for attaching to a MET200 and a RAD-06 Radiation shield. It uses a Swiss-made digital humidity and temperature element that makes accurate and stable measurements. Cable length is 2 meters.
This sensor is only compatible with the MET200 system.
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Detailed Description
For this version of the CS215 Temperature and RH Probe, the cable has, instead of pigtails, a mil-spec connector for attachment to the MET200. Cable length is 2 meters.
The CS215-MET2 uses the Sensirion SHT75, a combined relative humidity and temperature element, to provide accurate, stable measurements. The Sensirion SHT75 element is field-replaceable, eliminating the downtime typically required for the recalibration process.
The CS215-MET2 includes a 6 plate solar radiation shield.
Specifications
- Sensing Element: Sensirion SHT75
- Communication Standard: SDI-12 V1.3 (responds to a subset of commands)
- Supply Voltage: 6 to 16 Vdc (typically powered by datalogger’s 12 V supply)
- Typical Current Drain: 120 μA (quiescent); 1.7 mA (measurement; takes 0.7 s)
- EMC Compliance: Tested and conforms to IEC61326:2002
- Operating Temperature: -40° to +70°C
- Length including strain relief: 18.0 cm (7.1")
- Diameter at sensor tip: 1.2 cm (0.5")
- Diameter at cable end: 1.8 cm (0.7")
- Weight w/10 ft cable 150 g (5.3 oz)
Relative Humidity
- Measurement Range: 0 to 100% RH
(-20° to +60°C) - Output Resolution: 0.03% RH
- Accuracy (at 25°C):
±2% (10% to 90% range),
±4% (0% to 100% range) - Short Term Hysteresis: < 1% RH
- Temperature Dependence: better than ±2% (-20° to 60°C)
- Stability (Typical): ±1.0% per year
- Response Time with Filter: < 20 s (63%
response time in still air) - Calibration Traceability: NIST and NPL standards
Temperature
- Measurement Range: -40° to +70°C
- Output Resolution: 0.01°C
- Accuracy:
±0.3°C at 25°C;
±0.4°C (+5° to +40°C);
±0.9°C (-40° to +70°C) - Response Time w/Filter: < 120 s (63% response time in air moving at 1 m s-1)
Compatibility
The CS215-MET2 is only compatible with the MET200 system.
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