User manual
DELTA
smart
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MRU GmbH, D-74172 Neckarsulm
11
Appendix
11.1.
Technical data
General data
Description
Values
Operation temperature
+5°C - +45 °C
/ 41° F…
113° F
Rel. Humidity when operating, not con-
densing
95%
Storage temperature
-20°C - +50°C / -4°F
…122° F
Internal battery, operation hours
Li-Ion, > 10h
Power supply
100 - 240 V / 5V DC /
500 mA
Weight w/ 2 sensors
ca 500g / 1.1 lbs
Size
160 x 82 x 44 mm
6.3 x 3.2 x 1.7 in
Housing material
PA6
IP degree of protection
IP30
Max suction range gas pump
150 hPa
gas flow typ.
20 l/h
Measurement values
Electro-chemical sensor
O
2
Measurement range
0 - 21 %
Resolution
0,1 Vol. %
Accuracy abs.
± 0,2 Vol.%
Reaction time T90
< 30s
Years expected lifetime (@air)
2
Electro-chemical sensor
CO / H
2
H
2
compensated
Nom. Measuring Range
0
–
4.000 ppm
Overload Range
< 10.000 ppm
Resolution
1 ppm
Accuracy abs. / reading
± 10 ppm
5% (0
–
4.000 ppm)
10% (> 4.000 ppm)
Response Time T90
< 40s
