MRLDS-450
Product Description • 5
With the integrated Modbus communication, analog output and relays, the
instrument can be operated as a stand-alone unit or as a third-party device capable
of accepting digital and/or analog outputs from the gas detectors, such as a Building
Management System (BMS) or a Supervisory Controller. The instrument is
designed to be installed in non-classified, non-hazardous, permanent locations.
Figure 2-1
- MRLDS-450
2.2.2. MRLDS-450 Design Features
• Transmitter: IP66 rated ABS enclosure
• Power options:
• 24VAC
• 19.5 to 28.5VDC
• Diagnostic/Status LED (3 color): Green, Orange, and Red
• Configurable output signal options
• 3× Relays (high alarm/low alarm/fault)
• 1× Analog Output (4 to 20mA, 0 to 5V, 0 to 10V, 1 to 5V, 2 to 10V)
• Digital Output (Modbus RTU signal)
Bluetooth communication allows for full instrument configuration, initiation of
calibration, bump test and functional test mode, and viewing of status information
via the corresponding MRLDS-450 iOS/Android app.
Non-intrusive magnetic wand can be used to initiate calibration of the device.
