DALEMANS DAT 420 - TECHNICAL SPECIFICATIONS; DAT 420 Specifications Summary

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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