705 High Temperature Flammable Gas Sensor
The Model 705 high temperature sensor has been specifically designed for the detection of combustible gases in high temperature hazardous area locations.
DatasheetSpecifications, standards, care- Test certificate available on request
Specifications
| Brand | Honeywell |
|---|---|
| Alarm Settings | 5% LEL |
| Storage Life | Up to 5 years |
| Repeatability | Better than ±2% LEL |
| Weight range | Collecting Cone: 175 g / Sample Flow Housing: 110 g / Sensor: 200 g / Weather Protection Housing: 52.4 g |
| Dimension | 78 mm x 55 mm (Sensor) / 87 mm x 165 mm dia (Collecting Cone) / Sample Flow Housing: 61 mm x 45 mm x 31 mm / Weather Protection Housing: 76.5 mm x 50.8 mm dia |
| Humidity Range | Continuous: 20 to 90% RH / Intermittent: 10 to 99% RH |
| Accuracy | 0-100% LEL |
| Maximum Pressure | 110 kPa |
| Gas Type | Flammable |
| Warm Up Time | 30 min |
| Stability (zero) | With Humidity: < ±3% LEL / With Pressure: < ±3% LEL / With Temperature: < ±3% LEL / With Time: < ±5% LEL/yr |
| Stability (span) | With Humidity: < ±3% LEL / With Pressure: < ±3% LEL / With Temperature: < ±4% LEL / With Time: < ±5% LEL/yr |
| Speed of Response | T60 < 6 sec / T90 < 10 sec |
| Signal Output | mV Bridge |
| Mounting Thread | 3/4 in NPT |
| Measuring Range | 0-20% LEL, 0-100% LEL (Control Card Dependent) |
| NEMA Rating | NEMA 4X |
| Power Consumption | 0.7W @200 mA |
| Enclosure Material | Aluminum |
| Industry | Energy |
Key features
- Certified for hazardous location operation up to +150°C (+302°F)
- Alarm trip points as low as 5% LEL
- Fast speed of response
- Poison resistant detectors
- Low power consumption
Applications
- Confined space entry
- Oil, gas and petrochemical
- Wastewater and sewage
- Steel and chemical plants
Care and replacement
Keep sensors and filters clean, charge batteries as directed and record bump tests and calibrations.
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