Description
Overview
GAOTek fixed wall mounted multi gas detector this fixed multi gas detector can detect, display four kinds of gas concentration in air. it can detect any four kind of gas like CH4, H2S, O2, CO, NO, O3, NH3, etc as customized. When the gas concentration reaches the preset alarm point, the fixed gas detector will send out an audible and visual alarm reminder.
Features
- LCD English display on panel
- Displays gas type, unit, date, and gas concentration
- Sound and light alarm with two adjustable alarm levels
- Customizable for 2 in 1, 3 in 1, 4 in 1 gas detection
- Passive output relay for connection to solenoid valve or fan
- Optional RS 485 output interface (Modbus RTU) or connection to PC
- Optional backup power supply for > 12 hours during power outage
Technical Specifications
| Working Voltage | AC 110 V to 220 V |
| Alarm | Visual & audible, > 90 dB alarm |
| Detect Gas | H 2 S + CO + CH 4 + O 2 or customized |
| Sensor Type | Electrochemistry or Catalytic sensor |
| Measure Range | 0 ppm to 200 ppm or 0 ppm to 1000 ppm or 0% to 100% LEL or 0% TO 30% vol |
| Resolution | 1 ppm or 1 ppm or 1% LEL or 0.1% vol |
| Response Time | ≤20 S (O2 + CH4), ≤40 S (CO, H 2 S) |
| Output Control | Relay output (AC 220 V 5 A), signal control (switch) |
| Working Pattern | Two alarm levels, high and low alarm points settable |
| Storage | 3000 alarm records |
| Optional Function | RS 485 output interface Modbus RTU, or Connected to PC |
| Optional | Backup power supply: Provides >12 hours of power outage |
| Humidity | 15% RH to 90% RH (No condensation) |
| Temperature Range | -4 °F to 122 °F (-20 °C to 50 °C) |
| Single Gross Weight | 3.69 lb (1.80 kg) |