Specifications - DALEMANS DAT 420 Instruction Manual

5.

SPECIFICATIONS

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