NG # 03124-HW-HONEYWELL-372
MF # 2430K0001
The Honeywell Model 705 Combustible Gas Sensor is a fixed gas sensor designed for continuous detection of flammable and combustible gases in hazardous industrial environments. The 705 uses a matched pair of poison-resistant catalytic gas detection elements and provides a standard 3-wire mV bridge output for connection to a compatible gas controller or field transmitter.
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Get A Quote| Specification | Details |
|---|---|
| Product Type | Fixed combustible gas sensor |
| Detection Principle | Catalytic / combustible gas detection |
| Gas Type | Flammable gases |
| Output | 3-wire mV bridge |
| Measuring Range | 0–20% LEL to 0–100% LEL, depending on controller |
| Minimum Alarm Setting | 5% LEL |
| Operating Temperature | -25°C to +150°C for 705 HT |
| Humidity | 20–90% RH continuous; 10–99% RH intermittent |
| Maximum Pressure | 110 kPa |
| Response Time | T60 < 6 seconds; T90 < 10 seconds |
| Repeatability | Better than ±2% LEL |
| Zero Stability | < ±3% LEL with temperature, humidity and pressure |
| Long-Term Stability | < ±5% LEL/year |
| Power Consumption | 0.7 W at 200 mA |
| Warm-Up Time | Approximately 30 minutes |
| Mounting Thread | 3/4-inch NPT |
| Enclosure | High-grade aluminum, explosion-proof construction |
| Ingress Protection | NEMA 4X |
| Sensor Dimensions | 78 × 55 mm |
| Sensor Weight | Approximately 200 g |
| Typical Operating Life | More than 5 years |
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