Description: Digital Clean Room Monitoring System CR120 is specifically designed for the monitoring of clean room and controlled area environment. It displays RH, pressure and temperature. It is supported with high brightness LED display. It has three analogue input channels compatible with PT100, voltage/current output sensors. It is provided with three rows of high brightness LEDs that displays the RH, temperature, and pressure. The monitoring system is equipped with a battery backed real time clock and instrument memory that keeps a record of the calibration and also provide a calibration due alarm. Each channel is provided with programmable high and low alarm limits and LEDs for alarm status annunciation. All the calibration and alarm limit programming is protected against unauthorized changes by a password entry. All this data is transmitted to a central monitoring SCADA system on a multi dropping 2-wire RS485 communications. This drastically reduces the cabling in installations where many rooms are centrally monitored. The instrument operates of 24 V DC power supply.
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