Omega Products RHB-1500-C Installation Manual
Model RHB-1500-C
Portable Dew Point Monitor
MODEL RHB-1500-C
Portable Dew Point Monitor
MADE IN
OPERATOR’S MANUAL
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E-Mail: info@omega.com
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TABLE OF CONTENTS
1.0 GENERAL DESCRIPTION
2.0 SAMPLE CONNECTIONS
2.1 SAMPLE CONNECTIONS
2.2 ALARM RELAY CONNECTIONS
2.3 ANALOG OUTPUT CONNECTIONS
2.4 SERIAL PORT OUTPUT CONNEECTIONS
3.0 FUNCTIONAL DESCRIPTION
Model RHB-1500-C
Portable Dew Point Monitor
3.1 DISPLAY
3.2 MABC BUTTON
3.3 CLEAN MIRROR RELAY
3.4 FLOW CONTROL VALVE
3.5 ALARM RELAY OUTPUT
3.6 ANALOG OUTPUT
3.7 DISPLAY “SCAN” BUTTON
4.0 SETUP
4.1 ALARM SET POINTS
4.2 ABC INTERVAL
5.0 MAINTENANCE
5.1 ROUTINE MAINTENANCE
5.2 MIRROR CLEANING SCHEDULE
5.3 MIRROR CLEANING PROCEDURE
6.0 SPECIFICATIONS
7.0 APPENDICES
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Model RHB-1500-C
Portable Dew Point Monitor
1.0 GENERAL DESCRIPTION
The Model RHB-1500-C Battery Powered DPM is an integrated system including
a microprocessor-based instrument, a chilled mirror dew point sensor, a sample
flow meter and associated tubing and fittings.
The Standard Instrument includes: (Other options available)
• An eight-digit, alphanumeric, LED display to report the dew point and system status.
• Periodic sensor balance check.
• Programmable Alarm Set Point with visual and contact closure alarm indications.
• Two SPDT (Form C) Alarm Relay.
• 4 - 20mA analog output.
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Portable Dew Point Monitor
2.0 SAMPLE CONNECTIONS
2.1 SAMPLE CONNECTIONS
The sample may be brought to the instrument with ¼" copper, stainless steel, or
plastic tubing and terminated in a ¼" female fitting.
Connect the sample supply line to the ¼" tubing fitting located on the panel
(Figure 2.2).
NOTE: The maximum inlet pressure is 150 PSIG.
Figure 2-2.0 Drawing Model RHB-1500-C1 & Model RHB-1500-C2
Figure 2-2.1 Drawing Model RHB-1500-C1-Sx “underneath”
Figure 2-2.2 Drawing Model RHB-1500-C1-DsX “Insertion Probe”
Model RHB-1500-C
2.2 ALARM RELAY CONNECTIONS
When the programmed Alarm Set Point conditions are met, the alarm relay will be energized.
Before connecting any device to the Alarm Relay contacts, check the
contact ratings in the Specifications section.
1. Connect one of the signal wires to the CA (Center Arm) and the other wire to either the NO
(Normally Open) or NC (Normally Closed) terminal. Which ever is preferred by the
installer.
(See Figure 2.3)
2.3 ANALOG OUTPUT CONNECTIONS
“4-20mA out”. All connections can be made at terminal strip. (See Figure 2.3)
1. Connect the high signal wire to the “+” terminal and the low side to the “-“ terminal.
2.4 SERIAL PORT OUTPUT CONNECTIONS (Optional)
1. “RS232 out”. (See Figure 2.3)
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Model RHB-1500-C
Model RHB-1500-C
Portable Dew Point Monitor
Portable Dew Point Monitor
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5
Model RHB-1500-C
Portable Dew Point Monitor
FIGURE 2-2.1
WITH S-TYPE SENSOR
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