Products
GRD-4800B
Industrial Multi-Circuit Gas Leak Detector
Type Approval Certificate
Specifications
Detector Unit Specifications
| Target Gas | LPG, LNG |
|---|---|
| Detection Type | Catalytic Combustion (Catalytic Sensor) |
| Detection Method | Diffusion Type |
| Detection Range | 0-100% LEL |
| Detection Accuracy | ±3% |
| Operating Temperature | -20 to 50℃ |
| Operating Humidity | 5-95% RH (Non-Condensing) |
| Output Signal | 4-20mA DC / Full Scale |
| Power Supply | DC 12-24V |
| Signal Cable | CVVS or CVVSB 0.75SQ-1.5SQ × 3 Wires |
| Signal Cable Distance | Up to 2.5 km |
| Dimensions | 108(W) × 100(H) × 87(D) mm |
| Weight | 0.9 kg |
| Material & Color | Cast Aluminum, RAL1013 |
| Explosion-Proof Structure | Ex d IIC T4 (KGS Certified) |
| Wire Conduit | 3/4” PF Standard |
| Installation Method | 2” Pole Mounting, Wall Mounting, Duct Mounting |
Receiver Unit Specifications
| Operation Display | Power, 2 Alarms, Trouble, Stand-By (Maintenance) |
|---|---|
| Measurement Display | 3-Digit, 4-Digit FND, LED %, PPM, % Vol |
| Alarm Indication | 2 Alarm LEDs and Buzzer |
| Indicator Lights | Alarm (Yellow), Trouble (Red), Power (Green) |
| Communication Method | Isolated RS-485 Modbus (Optional) |
| Alarm Concentration | 0-100% LEL |
| Operating Temperature | -20 to 60℃ |
| Operating Humidity | 0-95% RH (Non-Condensing) |
| Output | Dry Contact, 4-20mA (Optional), DC Voltage |
| Power Supply | DC 24V |
| Weight | 0.6 kg |
| Dimensions | 48(W) × 106(H) × 50(D) mm |
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