Overview
The Enviro Test Construct is a reliable and intrinsically safe fixed H2S gas detector designed for industrial safety applications. Certified with IECEx and ATEX approvals, it ensures safe operations in explosive environments. Equipped with 4-20mA, RS485 Modbus, and optional HART outputs, it integrates easily with control systems. Its lightweight, durable SS316 housing with IP66/IP68 protection makes it suitable for harsh conditions.
Features
- IECEx & ATEX certified explosion-proof design.
- Intelligent plug-and-play sensor module with easy calibration.
- IP66/IP68 protection against water and dust for harsh environments.
- Lightweight (1 kg) and compact design with standard mounting bracket.
- Multiple outputs: 4–20 mA, RS485 Modbus, optional HART.
- Three optional alarm relays: low, high, and fault alarms.
- Supports both magnetic and remote control operation.
- Splash guard protection for outdoor installation.
Technical Specifications
| Detecting Gas | H2S |
| Sensor Type | Electrochemical |
| Sampling Method | Diffusion |
| Measuring Range | 0–100 PPM |
| Resolution | 0.1 PPM |
| Precision | ≤±2% F.S. |
| Response Time | ≤20s (T90) |
| Signal Output | 4–20 mA, RS485 (Modbus), optional HART, 1–5V, 2-wire |
| Alarm Relays | Low / High / Fault (Optional) |
| Control Method | Magnetic and remote control |
| IP Grade | IP66 / IP68 |
| Approvals | IECEx: Ex db IIC T6 Gb, Ex db ia IIC T6 Gb; ATEX: Ex db IIC T6 Gb, Ex db ia IIC T6 Gb |
| Working Voltage | 12–24V DC |
| Working Pressure | 86–106 kPa |
| Working Temperature | -40℃～70℃ (Catalytic), -20℃～50℃(Electrochemical) |
| -40℉～158℉ (Catalytic), -4℉～122℉(Electrochemical) | |
| Housing Material | SS316 / Die-cast Aluminum |
| Electrical Interface | 3/4 NPT & M20 |
| Size | 157.8 × 128.8 × 69.6 mm |
| Packaging Size | 220 × 160 × 110 mm |
| Net Weight | 1 kg (2.2 lbs) |
| Gross Weight | 2.7 kg (5.95 lbs) |
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