OI-7480 4-20 mA Wired Monitor
The Otis Instruments, Inc. Gen II ProSafe 4×82 Model OI-7480 is a twelve channel gas monitor that functions as a transmission controller. The OI-7480 monitors gas levels in ambient air by receiving and displaying 4-20mA signals from up to twelve wired sensor assemblies. The OI-7480 gives the ability to display data, transmit data and activate alarms in relation to readings sent from on-site sensors.
Part Number Formula: OI-7480-[Power Supply]-12
Product Specifications
Operating Voltage: 12V to 35V DC or 120V/240V AC
Input Signal: 12 Channels of 4-20mA (2 Wire or 3 Wire)
Output:
RS-485 Modbus
+12-35 VDC Fault Terminal
Current Draw:
325mA at 24 VDC (Monitor Only)
7.8 Watts Max
Relays: Four Dry Contact with 4 Amp Fuses
Enclosure: Fiberglass
Enclosure Dimensions: 12” x 10” x 6”
Certifications: NEMA 4 (Enclosure only)
Warranty: One Year (Limited)