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Cleanroom Control and Environmental Monitoring Systems
Toxic Gas Sensor
A fixed electrochemical gas detector configured for a selected toxic gas and installed near credible release points in cleanroom support or process areas.
- Gas-Specific Sensor Cartridge
- Local and Remote Alarms
- Replaceable Electrochemical Cell
- Protected Diffusion Inlet
Product Introduction
The fixed toxic gas detector uses a gas-specific electrochemical cartridge selected for the target hazard, such as ammonia, chlorine, hydrogen sulfide or carbon monoxide. Ambient gas diffuses through a hydrophobic filter to the electrodes, generating a concentration-proportional signal. The transmitter provides local indication, configurable alarm relays and a standard analog or digital output. Sensor cartridges can be replaced independently of the housing, and optional remote sensing heads place the element closer to the expected release location.
Key Features
A hydrophobic diffusion barrier protects the cell from droplets while admitting gas.
Independent warning and alarm thresholds operate local indicators and remote interlocks.
Replaceable cartridges and remote-head options simplify lifecycle and location changes.
Customer Product Concerns
Toxic gas monitoring must match the actual gas, likely release behavior and potential sensor cross-sensitivities rather than using one generic detector.
A detector selected for the wrong gas has weak or misleading response.A gas-specific cartridge is chosen for the target compound and expected concentration range.
The detector is mounted where air movement carries the gas away from it.Release analysis and gas-density behavior determine sensor position near credible accumulation paths.
Cross-sensitive vapors trigger nuisance alarms during cleaning.Gas-specific selection, alarm delay and known interference review reduce avoidable responses.
An expired cell remains installed because replacement requires rewiring.A plug-in sensor cartridge can be exchanged while retaining the mounted transmitter and field cable.
Typical Applications
Process gas cabinetsChemical storage support roomsSterilant handling areasClean utility equipment rooms
Technical Parameters
Typical construction values for a fixed cleanroom toxic gas detector are shown below.
| Core Material | Gas-specific electrochemical cartridge in powder-coated aluminum transmitter with stainless steel sensor guard |
|---|---|
| Panel Thickness | 60-110 mm detector depth |
| Effective Width | 120-200 mm housing width |
| Maximum Length | Up to 280 mm detector height |
| Steel Facing Thickness | 0.5-1.0 mm stainless sensor guard and mounting plate |
| Core Density | 2650-2750 kg/m³ for aluminum transmitter body |
| Thermal Conductivity | 150-220 W/(m·K) for aluminum enclosure material |
| Surface Finish | White or light-gray powder-coated aluminum body with gas-specific color label, black display and red alarm indicator |
| Joint Type | Plug-in diffusion cartridge with sealed cable entry and removable alarm-output terminal |
| Customization | Available based on the intended application and operating environment. |
Available Options
Gas-specific cartridge selectionLocal display and sounderRemote sensing headAnalog, relay or digital outputs
Planning a Toxic Gas Sensor specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
