Product Description
2106B2312 is high‑temperature catalytic‑bead flammable gas sensor of Honeywell Sensepoint HT series with 3/4″ NPT mounting thread, ATEX and IECEx hazardous‑area certifications. It can operate continuously under‑55℃ ~ +150℃ for high‑temperature risky locations. It delivers mV bridge output and works with Sensepoint gas detector controllers to measure LEL concentration of combustible gas. 316 stainless‑steel housing with IP66 rating, widely used for turbine enclosures, drying ovens and solvent coating systems.
Technical Specifications
| Item | Specification |
|---|---|
| Model | 2106B2312 |
| Manufacturer | HONEYWELL (UK) |
| Type | Sensepoint HT High‑Temperature Catalytic‑Bead Flammable Gas Sensor |
| Detection Principle | Catalytic‑bead |
| Measuring Range | 0‑100% LEL (Lower Explosive Limit) |
| Signal Output | mV bridge output |
| Power Supply | Bridge 2.9‑3.5V, 200mA, power consumption 0.7W |
| Mounting Thread | 3/4″ NPT |
| Housing Material | 316 Stainless Steel |
| Operating Temperature | ‑55℃ ~ +150℃ |
| Humidity | Continuous:20‑90%RH; Intermittent:10‑99%RH, non‑condensing |
| Operating Pressure | 75‑110kPa |
| Response Time | T60<6s,T90<10s |
| Ingress Protection | IP66 |
| Hazardous Certificates | ATEX II 2 GD Ex d IIC T3 Gb; IECEx Ex d IIC T3 Gb |
| Compatible Controller | Sensepoint gas detector controller series |
| Net Weight | ~323g |
| Lifecycle | Active supply; consumable sensor, periodic calibration & replacement required |
| Note | Catalytic bead sensor is subject to poisoning; cannot work standalone, must pair with matched controller |
Applications
‑ Flammable gas detection for turbine enclosures, high‑temperature ovens, solvent coating systems ‑ Combustible gas monitoring & alarm for hazardous area in petrochemical, oil‑gas and power plant ‑ Spare‑part replacement for on‑site Sensepoint gas detection system ‑ Leakage monitoring of flammable gas inside high‑temperature process plants & enclosed equipment







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