产品描述:
Features:
• LCD readout
• 4 to 20 milliamp output
• pushbutton calibration
• green flashing 'confidence' LED
• integral sensor for cost sensitive applications
• intrinsically safe
• water and dust proof to IP66
• RFI protected
Specification
Size 122 x 122 x 75mm nominal
Weight 0.65Kg
Gas Types Oxygen / Toxic
Operating Voltage 7 to 30vdc (for 4 to 20 mA signal)
Cable 2 core (plus screen)
Output Signal 0mA - open circuit
2mA – fault.
4mA - zero gas
20mA - full scale gas
22mA - over-range
Max. Cable Loop Resistance Signal - 560 ohms at 24vdc
Sensor Type Electrochemical diffusion
Detection Principle Electrochemical reaction
Operating Temperature - 20 to +40 deg.C
Oxygen - 0 to 99% RH non-condensing
Humidity Range Toxic - 15 to 95% RH non-condensing
Operating Pressure Ambient + or - 10%
United Kingdom Hazardous Area Certification
Standards EN50014, EN50020
BASEEFA Certificate No's Ex97D2288, Code EEx ia IIC T4
Zones 0, 1 & 2
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