Trace Oxygen Monitor 0-1000ppm


SKU: 99097 Categories: ,


This is a specialized monitor for use in a vacuum environment, 3D printer, nitrogen sample line, nitrogen generator, cryogenic enclosures, or gas line. Our 10+ year zirconium oxide sensor can be mounted inside the vacuum and the monitor is either connected via KF25 flange. Sensor is connected using a 10ft cable for easy placement.

Standard Features

  • Monitors in Partial Vacuum (300 torr)
  • 0-1000ppm Oxygen Sensor
  • Two-Alarm Relays
  • No Maintenance Required
  • Digital Display, 4-20mA Analog Output
  • No Drift due to Thunderstorms or barometric pressure changes
  • Wall mounting brackets and optional plug-in wall power supply
  • UL, C UL and CE Approvals

Additional information

Sampling Method

Diffusion Oxygen Monitor
(Supplied with KF 25 Fitting)

Gases Detected

Oxygen (O2)


0-1000ppm Oxygen


± 50 ppm

Operating Temperature

-40 to +55 ºC


3/4″ LCD Digital Display, Back Lit, 3 Alarms LED´s

Sensor Type

Long life zirconium oxide sensor cell

Sensor Life


Signal Outputs

4-20 mA Analog Output
Dual Level Alarm Relay Contacts

Power Requirements

24 VDC
250 mA


5" (W) x 5.5" (H) x 3.25" (D)
127 mm (W) x 140 mm (H) x 83 mm (D)


2 lb
0.9 kg



Required Calibration

No Zero or Span Pot Adjustment Required

  • 24 VDC Power Supply (P/N 45101)
  • Horn and Strobe Combo (P/N 42002)
  • Remote Display (P/N 99091)