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HG-1 Humidity Calibrator |
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The HG-1 is a high precision, portable humidity calibrator. Using Michell's Optidew Cooled Mirror instrument as the reference measuring instrument, humidity can be controlled across the range 2 to 90% RH (at room ambient operating temperature). The HG-1 is configured to operate as a stand alone calibrator or to operate from a dry compressed air supply enabling easy on-site calibrations. The front panel mounted flow meters enable the mixing ratio of a dry and wet air stream to generate the required humidity. The chamber cover can be customised to suit the transmitters and sensors being calibrated.
Product Features
- Totally portable
- Easy to use
- Range 2 to 90% RH, -30 to +20°C dew point
- Traceable to national standards
- Integrated cooled mirror reference hygrometer
- Accuracy ±0.2°Cdp
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Technical Specification |
| Calibration Range |
2 to 90% RH at room ambient
temperature
(-30 to +20°Cdp) |
| Accuracy |
Typically ±2% of reading (% relative
humidity)
0.2 °Cdp, 0.1°C ambient temperature (with
Optidew reference hygrometer) |
| Calibration |
Through certified calibration of
integrated traceability
Optidew reference hygrometer, to NPL and NIST |
| Operating Temperature |
+10 to +35°C ambient
(Note -
temperature control of the measurement chamber can be specified as an
option) |
| Power Supply |
110 V or 240 V, 50/60 Hz, 60 VA |
| Calibration Chamber |
Steel with gasket seal, 120 x 120 x
250mm (w x h x d) |
| Overall Dimensions |
Painted aluminium case, 520 x 320 x
400mm (w x h x d) |
| Weight |
20kg approx |
Applications |
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