Honeywell 705 Combustible Gas Sensor
Delivery
Payment options
Our advantages
- — 12 months warranty
- — SMS notification
- — Return and exchange
- — Different payment methods
- — Best price
Features
- Range depends on control card
- 0 to 20% or 100% LEL
- Alarm trip points as low as 5% LEL
- mV bridge output signal
- Linearity better than ±5% fsd
- Repeatability better than ±2% LEL
- Poison resistant detectors
- Fast speed of response
- 5-year warranty
- Certified for hazardous location operation
- Class 1, Div 1, groups B, C and D
The Honeywell 705 Combustible Gas Sensor is an explosion proof assembly, fitted with poison-resistant combustible gas detection elements. Fully encapsulated, it is designed for use in hazardous locations. The Sensor is electro-catalytic and consists of 2 beads of refractory oxide, formed on a fine platinum wire coil. The active bead is coated with a catalyst material, while the reference bead is glass coated.
In the presence of gas, the catalyst coated bead promotes the oxidation of the gas, causing it to heat up and increase in electrical resistance. This change of resistance, relative to the reference bead, can be measured and is in direct proportion to the concentration of combustible gas.
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