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Sensor type: PID, 10.6 eV lamp coupled with selective filtering
Selectivity: Benzene specific within typical petrochemical matrix
Range: 0 – 20 ppm
Measuring frequency: One minute
Lower limit of detection: 0.1 ppm
Accuracy: ±0.1 ppm or ±10%, whichever is greater
Temperature stability: Internally heated
Sample flow: 200 ml/min
Display: Graphical BW LCD 64 × 128 pixels with backlight; bright LEDs for normal operation, fault and alarm; two magnetic switches for menu operation
Communication: Isolated 4–20 mA output; isolated RS-485 Modbus (simplex / half duplex / full duplex); USB when lid removed with PC software
Data storage: On-board MMC, minimum of six months
Relay output: Two isolated outputs, voltage free, 24 V DC @ 1.25 A max
Power: Vin (nom.) 24 V DC @ 3.2 A (recommended); Vin (max) 32 V DC @ 2.4 A; Vin (min) 19 V DC @ 4.0 A
Humidity: 0 – 100% RH
Ingress protection rating: Designed to IP65 (cable gland dependent)
Cable entry: Two 3/4 NPT gland threads
Weight and dimensions: 15 kg; 219 × 219 × 172 mm (8.6 × 8.6 × 6.8 in approx.)
Gas sample line: 10 m max length, PTFE, 6 mm OD, 4 mm ID
