Device description – KROHNE DK 37-H250 M8 ATEX II2G Ex i EN User Manual
Page 9
DEVICE DESCRIPTION
2
9
DK37/M8 - H250/M8
www.krohne.com
09/2013 - 4000760402 MA DK37 M8 AD II2G R02 en
H250/../M8.G/.. permissible product and ambient temperatures
The minimal permissible ambient temperature depends on the display and the built in limit
switches:
Temperature-
class
Ambient temperature
up to
Maximum permissible medium temperature
Type H250/../M8EG/..
Type H250/../M8MG/../..
[°C]
[°F]
[°C]
[°F]
[°C]
[°F]
T6
+40
+104
+75
+167
+85
+185
+50
+122
-
-
+85
+185
+60
+140
-
-
+85
+185
T5
+40
+104
+100
+212
+100
+212
+50
+122
+100
+212
+100
+212
+60
+140
+70
+158
+100
+212
T4
+40
+104
+135
+275
+135
+275
+50
+122
+135
+275
+135
+275
+60
+140
+135
1
+275
1
+135
+275
+90
2
+194
2
T3...T1
+40
+104
+200
1
+392
1
+200
+392
+190
2
+374
2
+50
+122
+185
1
+365
1
+200
+392
+145
2
+293
2
+60
+140
+145
1
+293
1
+200
+392
+90
2
+194
2
1 Temperature resistance of the cable ≥ +80°C / +176°F
2 Temperature resistance of the cable ≥ +70°C / +158°F
Type
Electrical built in
Minimum ambient temperature
H250/../M8EG
DK37/M8E/../..
Signal output 4...20 mA
-40°C / -40°F
H250/../M8MG
DK37/M8M/../..
SJ2-S1N
SC2-N0
-25°C / -13°F
H250/../M8MG
DK37/M8M/../..
I7S2002-N
SJ2-SN
-40°C / -40°F
AD_DK37_H250_M8_II2G_R02_en_760402_PRT.book Page 9 Friday, September 13, 2013 8:45 AM