G☐-WRS (PID Photoionization Type)

• Explosion protection to
– CENELEC
– IEC

• Can be used in
– Zone 1 and Zone 2
– Zone 21 and Zone 22

• Explosion-proof design with flameproof enclosure, suitable for both indoor and outdoor explosive gas and dust environments, ensuring safety and reliability

• LCD or LED digital display for on-site concentration monitoring, with status indicators: “Normal” (green), “Fault” (yellow), and “Alarm” (red)

Explosion protection

Global (IECEx)
Gas and dust
IECEx NEP 25.0081X
Ex db IIC T6 Gb
Ex tb IIIC T80°C Db

Europe (ATEX)
Gas and dust
ACE25ATEX054X
II 2 G Ex db IIC T6 Gb
II 2 D Ex tb IIIC T80°C Db

Certificates

IECEx; ATEX

Conformity to standards

IEC 60079-0, IEC 60079-1, IEC 60079-31
EN 60079-0, EN 60079-1, EN 60079-31

Power supply

Systematic: 3.7, 12, 24VDC
Standalone: 220VAC

Power consumption

<3W

Output signal

Three-wire system: 4–20mA/RS485 (MODBUS protocol), optional relay output function

Inlet specification

M20×1.5 internal, optional NPT1/2

Transmission method

4G, 5G, NB-IoT, LoRaWAN, etc.

Gas to be detected

VOC gases (refer to VOC gas list)

Detection principle

PID photoionization type

Measurement range

Refer to VOC gas list

Accuracy

±3%FS

Repeatability

≤2%

Protection rating

IP65/IP66

Temperature range

-40°C~+55°C / -40°C~+70°C

Humidity range

<95% (no condensation)