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Reinraumsteuerung und Umweltüberwachungssysteme
Brennbare Gas-Sensor
A fixed percent-LEL gas detector that monitors flammable gas or vapor accumulation and activates local and remote alarms before hazardous concentration develops.
- Percent-LEL Monitoring
- Catalytic or Infrared Sensor
- Local Warning and Alarm
- Remote Shutdown Outputs
Produkteinführung
The fixed combustible gas detector measures a selected flammable gas using a catalytic bead or infrared absorption sensor. Its display presents concentration as a percentage of the lower explosive limit, while independent warning and alarm thresholds can start ventilation, isolate gas supply or activate evacuation indication. A flame-resistant sintered inlet protects the sensing element while allowing gas diffusion. Infrared versions are well suited to many hydrocarbons and resist poisoning mechanisms that can affect catalytic elements; catalytic versions provide broad combustible-gas response where oxygen is present.
Key Features
Catalytic and infrared sensing choices address different gas families and operating conditions.
A sintered metal inlet protects the active element while permitting ambient gas diffusion.
Alarm relays and analog or digital outputs support ventilation and gas-isolation actions.
Lösungen für Ihre Anwendung
Combustible gas detection must account for the target gas, sensor technology, oxygen availability and potential catalyst poisons.
A catalytic sensor is exposed to silicone or sulfur compounds that reduce sensitivity.Sensor-technology selection and planned response checks address known catalyst-poison risks.
The chosen infrared sensor does not respond to the target gas family.The optical wavelength and calibration gas are matched to the expected combustible compound.
A gas leak reaches the ceiling or floor before the detector location.Detector height follows gas density, release pressure and room-air movement.
The local detector alarms but ventilation or gas shutoff does not respond.Dedicated relay outputs link warning and alarm thresholds to engineered control actions.
Typische Anwendungen
Solvent-use cleanroom supportHydrogen utility roomsFlammable gas cabinetsBattery and process equipment areas
Technische Parameter
Typical construction values for a fixed combustible gas detector are listed below.
| Core Material | Catalytic bead or infrared optical cell in coated aluminum transmitter with stainless sintered sensor inlet |
|---|---|
| Panel Dicke | 80-140 mm detector depth |
| Effektive Breite | 130-220 mm transmitter width |
| Maximale Länge | Up to 320 mm overall detector height |
| Stahl facing Dicke | 0.8-1.2 mm stainless guard and mounting hardware |
| Kerndichte | 2650-2750 kg/m³ for aluminum transmitter body |
| Thermische Leitfähigkeit | 150-220 W/(m·K) for aluminum enclosure material |
| Oberfläche Finish | Safety-yellow or gray coated aluminum body with black display and red alarm beacon |
| Gemeinsamer Typ | Threaded sintered sensing head with sealed conduit entries and removable relay terminals |
| Customisierung | Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung. |
Verfügbare Optionen
Catalytic or infrared sensorTarget-gas calibrationLocal display and beaconRelay, analog and digital outputs
Planning a Combustible Gas Sensor specification?
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