Industrial And Commercial Point-Type Combustible Gas Detector
GT-EI8812EX

GT-EI88NEX

Features
1.Explosion-proof type: Flameproof, Explosion-proof mark: ExdIIBT6Gb
2.Employs imported high-performance sensors, featuring high sampling accuracy and low drift. It also boasts enhanced resistance to poisoning and interference.
3.The alarm setting is two-stage, corresponding to two outputs, which can be configured as either active 24V output or passive switch output.
4.Widely applicable to industrial and commercial environments where methane gas is used; designed for indoor use and explosion-proof operation.
Technical Parameter
| Product Model |
GT-EI8812Ex |
GT-EI88NEx |
| Operating Method |
System Type |
Standalone |
| Communication Method |
EI-BUS |
NB-IoT |
| Operating Voltage |
DC24V |
AC220V |
| Operating Environment |
-10℃~+55°C |
| Measuring Range |
3%LEL~100%LEL |
| Detected Gas |
CH₄(Methane) |
| Alarm Setpoint |
Lower Limit: 25%LEL, Upper Limit: 50%LEL |
| Monitoring Current |
Bus <1mA |
≤30mA |
| DC24V≤50mA |
| Alarm Current |
Bus <1mA |
≤30mA |
| DC24V≤80mA |
| Protection Rating |
IP65 |
| Housing Material |
Aluminum Alloy |
| Wire Type |
4-Wire System |
/ |
| Bus Length |
≤1500 meters (1.5mm² copper twisted pair cable) |
/ |
| Cable Entry Interface |
M20×1.5 (Internal Thread) Interface |
| Installation Method |
Wall Mounted |
| Standards |
GB15322.1-2019 |