Products
GRD-4812
Multi-Channel (Expandable from 2 to N Channels)
Features
- Multi-Channel Gas Detector Receiver Panel Expandable to Dozens of Channels
- Self-Diagnostic Function with Microprocessor Technology
- Gas Concentration Display with 4-Digit & Bar Graph Representation
- RS-485 Modbus Communication for Easy Monitoring System Integration
- Supports Various Output Methods (4~20mA, Dry Contact, DC Voltage) for Seamless Integration with External Devices
Specifications
| Product Structure | Panel Expandable Type | |
|---|---|---|
| Detector Connection | 2 to N Circuits (Multi-Channel) | |
| Display Screen | Measurement Display | 4-Digit FND (% LEL, VOL%, PPM) & Bar Graph |
| Operation Display | Alarm 1·2·3 (Yellow), Fault (Red), Power (Green) | |
| Alarm Output | Alarm Lamp & Buzzer (75dB/1m) | |
| Input Signal | 4-20mA DC | |
| Output Signal | 4-20mA, RS-485 Modbus, Relay Contact, DC 12V Voltage | |
| Alarm Response Time | Within 30 Seconds, 90% / Full Scale | |
| Operating Voltage | AC 220V 50/60Hz | |
| Backup Power Supply | Ni-Cd Battery or UPS Device (Optional) | |
| Operating Temperature & Humidity | -20 ~ +40℃, 0 ~ 95% RH | |
| Enclosure Material | SPCC 1.6t | |
| Weight | Receiver Unit: 0.6 kg Enclosure: Varies Depending on the Number of Channels | |
| Dimensions | Receiver Unit: 90(W) × 134(H) × 54(D) mm Enclosure: Varies Depending on the Number of Channels | |
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