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Sensing Element: Electrochemical
Gas: SO₂
Measuring Range: 0‐10ppm
Output Signal: 4–20mA analog and RS485 Modbus RTU; optional: HART and relay outputs
Sensor Warm-up Time: 60 seconds
Response Time (T90): < 30 seconds
Accuracy: ±1%
Operating Temperature: -40°C ~ +70°C
Humidity: 0 ~ 100% RH (non-condensing)
Input Voltage: Minimum: 10 VDC; Maximum: 32 VDC; Nominal: 24 VDC
Display: 128 × 64 graphical OLED; 5 LED indicators for device status
Event Logging: Stores up to 250 events including alarms, faults, and maintenance records
Power Consumption: Max. 4W
Optional Relay Outputs: 2 alarm relays (NO/NC adjustable); 1 fault relay (NO)
Rated current: 1.25A / 30VDC
Cable Entry: 1/2” NPT – 3/4” NPT – M20
Ingress Protection: IP65 / IP66; optional IP66 for sensor head
Junction Box Material: Epoxy painted die-cast aluminium / 316 stainless steel
Sensor Head Material: 316L stainless steel
Dimensions / Weight: 196.96 × 145.99 × 112 mm / 2100 g
Hazardous Area Classification: Zone 1 – Zone 2 – Zone 21 – Zone 22
