RHCM-10, RHCM-20, RHCM-30 Chilled Mirror Dewpoint Transmitters Operator's Manual
The OMEGA RHCM Series is family of high performance chilled mirror dewpoint transmitters. The sensor provides accurate long term repeatability and high reliability performance for process control and energy management. The RHCM-10 sensor electronis are housed in a rugged enclosure which can be wall mounted for climate control. The RHCM-20 and RHCM-30 sensors are designed for duct and pipe mounting respectively for process control in HVAC/Energy management applications. Field calibration is not required and the ambient temperature effects, hysteresis, and calibration drift with age are all virtually eliminated. In the sensor, a metal mirror surface is controlled at the dewpoint, the temperature at which water vapor condenses from the surrounding air.
The RHCM series offer a wide range of user specified power inputs including 24VDC, 24VAC, 115VAC,and 230VAC, for many applications. The user specified outputs include 100Ω platinum RTD (4-wire) or 4-20mA, which can be scaled over three different temperature ranges of O° to 100°F, 0° to 50℃, and -40° to 140°F. Either output can be directly connected to a panel meter, controller or data acquisition system.
The measurements of dewpoint and air temperature are stable, accurate and traceable to the NIST (formerly NBS) Standard. As long as the transmitter is in good working order, outputs are accurate to ±0.5°C. The calibration of each platinum resistance thermometer is confirmed by OMEGA against transfer standards calibrated by the NIST.
●FEATURES
■No routine calibration needed
■Minimum drift
■±1°F dewpoint accuracy
■24VDC, 24VAC, 115VAC and 230VAC power available
■RTD simulator or 4 to 20mA output
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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M1459 |
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1.1 MB |
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