Overview
Enviro Testers NH3 toxic gas detector is a fixed gas detector installed in a place where potential gas hazard exists to measure oxygen, toxic gas and combustible gas. It shows not only the concentration of gas but also diagnostic result of the unit itself through the LED screen and LED lights and can be connected to the control panel with a standard 4 to 20 mA analog output.
Features
- Explosion proof structure
- Water and dust proof design
- Segment display to indicate readings in 4 digits
- LEO lights to indicate Fault, Low alarm and High alarm
- IR remote control for setting and calibration
Technical Specifications
| Measuring Gas | Combustible Catalytic sensor or NDIR sensor Toxic gas and O2 Electrochemical sensor CO2 gas NDIR sensor PID sensor VOCs |
| Measuring Range | Refer to our gas list |
| Measuring Accuracy | +5% F. S |
| Measuring Type | Diffuse naturally |
| Signal Output | 4 to 20 mA |
| Alarm Output Signal | 2 programmable relays |
| Cable Or Distance | 1.5 mm2, 3 wire, shielded, 1000 m (maximum) |
| Response Time | Catalytic sensor: T 90 <= 30 s Electromechanical: T 90 <= 60 s NDIR sensor: T 90 <= 10 s PID sensor: T 90 <= 10 s |
| Mounting Type | Wall Mounted |
| Working Humidity | <= 95% RH (no condensation) |
| Operation Voltage | 24 VDC + or – 25% |
| Consumption | < 2 W |
| Ingress Protection | IP65 |
| Housing Material | Chamber: Aluminum alloy Sensor cover: Stainless steel |
| Conduit Connection | G 3 or 4 “ |
| Explosive Proof | Ex d IIC T6 |
| Working Temperature | Toxic gas: -4 °F to 122 °F (-20 °C to 50 °C) Combustible: -40 °F to 158 °F (-40 °C to 70°C) |
| Dimension | 6.37 in x 8.18 in x 4.07 in (162 mm x 208 mm x 103.5 mm) |
| Weight | About 4.63 Ib (2.1 kg) |
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