Complete white and safety-yellow oxygen depletion sensor with black display and red alarm beacon

Cleanroom Control and Environmental Monitoring Systems

Oxygen Sensor

A fixed electrochemical oxygen monitor that warns of oxygen depletion or enrichment near inert-gas and process-gas use areas.

Electrochemical O₂ Measurement
Local Concentration Display
Dual Alarm Relays
Replaceable Sensor Cell

Request a Quote Browse Products

Product Introduction

The oxygen depletion sensor continuously samples surrounding air through a protected diffusion cap. An electrochemical cell produces a signal proportional to oxygen partial pressure, and internal electronics display the concentration and compare it with independent alarm thresholds. Local sounder and beacon functions can be supplemented by relay, current or digital outputs to a central alarm system. The replaceable cell and accessible calibration interface support planned maintenance without replacing the wall-mounted transmitter body.

Key Features

Diffusion-based electrochemical sensing requires no sample pump for normal room monitoring.

A bright local display shows oxygen concentration before and during an alarm condition.

Separate low and high alarm thresholds address depletion and enrichment risks.

Replaceable sensing cells extend transmitter service life and simplify maintenance planning.

Customer Product Concerns

Oxygen hazards can develop without odor or visible warning, so room coverage, alarm visibility and sensor maintenance must be deliberate.

Inert-gas leakage displaces oxygen without giving occupants a sensory warning.Continuous oxygen measurement activates visible and audible alarms before entry or exposure continues.

A sensor mounted too high misses heavier or poorly mixed displacement patterns.Risk-based mounting positions place detectors near credible gas accumulation and breathing zones.

An aged electrochemical cell loses response gradually.Planned bump checks, calibration and replaceable cells maintain response confidence.

A local alarm is not seen from outside the room.Relay and network outputs drive corridor beacons, central annunciation and ventilation actions.

Typical Applications

Nitrogen-supplied cleanroomsCryogenic storage support areasGas cabinet roomsLaboratory inert-gas zones

Technical Parameters

Typical construction values for a fixed oxygen depletion sensor are listed below.

Core Material	Replaceable electrochemical oxygen cell in polycarbonate transmitter with stainless protective sensor guard
Panel Thickness	55-90 mm detector depth
Effective Width	110-180 mm housing width
Maximum Length	Up to 240 mm detector height
Steel Facing Thickness	0.5-1.0 mm stainless sensor guard
Core Density	1180-1220 kg/m³ for polycarbonate transmitter body
Thermal Conductivity	0.19-0.22 W/(m·K) for polycarbonate enclosure material
Surface Finish	White or safety-yellow housing with black display, green normal light and red alarm beacon
Joint Type	Wall-mount base with diffusion sensor cap, cable gland and removable alarm terminals
Customization	Available based on the intended application and operating environment.

Available Options

Local sounder and beaconLow and high oxygen alarmsAnalog and relay outputsRemote corridor indicator

Planning a Oxygen Sensor specification?

Send us your dimensions, installation conditions, performance targets and required surface finish.

Talk to Our Team