DALEMANS DAT 420, Инструкция по эксплуатации

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5. SPECIFICATIONS
MODEL DAT 420
Sensing head
1.4404 stainless steel (AISI 316L)
Sintered metal filter
Junction box Aluminium
Dimensions 193 x 145 x 90 mm
Weight 1500 g
Output signal 2-wire 4-20 mA current loop
Settings Zero and calibration by internal potentiometers
Response time (T90) < 45 s
Operating voltage 10 - 30 Vdc
Current consumption Max. 30 mA
Measurement principle Electrochemical sensor
Measurement range Other gases / ranges upon request
Ammonia (NH
3
) 100, 1000, 5000 ppm
Carbone monoxide (CO) 300, 500, 1000 ppm
Chlorine (Cl
2
) 10, 50 ppm
Hydrogen sulphide (H
2
S) 50 ppm
Nitrogen dioxide (NO
2
) 20, 50 ppm
Oxygen (O
2
) 25 %
Sulphur dioxide (SO
2
) 20 ppm
Operating temperature -10 °C to +40 °C
Storage temperature -40 °C to +80 °C
Ambient humidity 20 - 90 % HR
Intermittent humidity 10 - 99 % HR
Pressure 90 - 110 kPa
Accuracy ± 1.5 % measurement range
Expected operating life > 2 years
Wiring 2 x 0.5 mm² twisted and shielded pair
Maximum cable length max. 1000 m
Loop resistance 50 - 750 ohms
Cable entry 1 x M20 / 6.1 - 11,7 mm (other size upon request)
Ingress protection IP6X (dust tight)
Approval (ATEX) GAS DUST
Hazardous area Zone 1 or 2 Zone 21 or 22
Equipment group IIC IIIC
Marking II 2G Ex db IIC T6 Gb II 2D Ex tb IIIC T85°C Db
Tamb = -10 °C to +40 °C for T6 and T85 °C
Standards EN 60079-0
EN 60079-1
EN 60079-31
Certificate number FTZU 09 ATEX 0074X