Overview
The Enviro Testers Stainless Steel 3-Channel Fixed Gas Alarm Controller consolidates alerts from three gas sensors into a sturdy stainless-steel housing. It offers dependable communication via RS-485 and includes dual power sources: AC 220 V mains and integrated Li-ion backup battery. Designed for quick installation and durable use, it ensures continuous safety coverage even during power interruptions. Ideal for chemical plants, utility rooms, and industrial corridors where rapid detection and action across multiple zones are critical.
Features
- Receives input from up to 3 gas sensors
- Uses RS-485 wired communication for system integration
- Horn alarm for clear audible alerts
- Dual power configuration: mains input (AC 220 V) plus rechargeable battery backup
- Tough stainless-steel exterior built for demanding industrial environments
- Wired communication ensures low-latency and reliable data flow
Technical Specifications
| Specification | Details |
| Alarm Type | Horn |
| Communication Mode | RS-485 Wired Transmission |
| Network Support | Wired only (no app support) |
| Power Supply | AC 220 V ±15%, 50 Hz ±1 |
| Backup Power | 3.7 V/2,200 mAh × 2 (Li-ion batteries) |
| Power Consumption | ≤10 W |
| Transmission Distance | ≤1,500 m |
| Material | Stainless Steel |
| Display Type | Digital Tube Display |
| Detection Range | 10–20 m |
| Operating Temperature Range | –25 °C to 55 °C |
| Controller Dimensions | 220 × 170 × 50 mm |
| Weight | 1.5 kg |
| Packaging Size | 22 × 17 × 5 cm |






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