n ACE Instruments

Digital Oxygen Monitor (AI-O2-Tx)


The Ace Instruments make Oxygen Monitor is a weatherproof indicator transmitter with 4 digit, 7 Segment red LED Display & a 4-20mA Retransmission Output. Optionally available with 1 Relay Output & a built in buzzer alarm for process violation alert.

  • The Oxygen Monitor has an optional RS 485 Modbus Protocol Communication output to connect to PLC/SCADA/BMS softwares.
  • Wall Mounting Type IP 65 Phoenix Mecano ABS Plastic Enclosure.
  • Large & clear 4 digit red LED display, 7 segment type.
  • 1 Relay Output (NO/CO/NC).
  • In-built buzzer for High & Low Limits Violation Alert
  • RS 485 Modbus Communication for PC/SCADA/BMS/EMS/PLC Integration
  • 4-20mA Analog Retransmission Output
  • Easily field replaceable Sensor Module
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