RHCM-40 SERIES Dew Point Transmitter with a Humidity Option Configuration User's Guide

PublishTime：2022-06-20

The RHCM-40 Dew Point/Humidity Transmitter is an optical chilled mirror hygrometer, designed to continuously measure the moisture content in gases. With an option to acquire an air temperature probe, this transmitter can than display dew point, humidity and temperature and have a signal out for two of the following three parameters, dew point, humidity or temperature The instrument is powered by 24VDC. It uses the chilled mirror dew point temperature condensation principle to determine the water vapor concentration in gas mixtures, and a platinum resistance thermometer to accurately measure that temperature. This principle is fully explained in the Appendix to this manual. Outputs include 4 to 20 mA(Factory default unless specified otherwise when ordering),0 to 5VDC, or 0 to 10VDC, field-selectable. Two sets of analog outputs are supplied, unless Dew Point only is ordered. Additional outputs include an RS-232C serial port, as well as electrically isolated relay contacts.
Various housings are available for the RHCM-40. These include a plastic (IP65) dust-tight and water resistant package, as well as analuminum housing with conduit fittings. Many options and accessories are available, and these are described below.Figure 2-1 shows a few of the available models.

Brand of Product：	Omega Engineering
Part#：	RHCM-40 SERIES 、 RHCM-40 、 RHCM-40-PL-W 、 RHCM-40-AL-W 、 RHCM-40-PL-D 、 RHCM-40-AL-D 、 RHCM-40-PL-R 、 RHCM-40-AL-R 、 RHCM-40-PL-P 、 RHCM-40-AL-P More Part#
Product Category：	Dew Point Transmitter with a Humidity 、 optical chilled mirror hygrometer More
Application：	More
Data Type：	User's Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	0313
Version Number：
Data Encoding：	M5270
Data Size：	1.8 MB

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