Device description, 8 surface temperature equipment category ii 3 d, 9 electrical data – KROHNE H250 M9S ATEX II3D Ex t-II3G Ex nA EN User Manual
Page 11
DEVICE DESCRIPTION
2
11
H250 M9
www.krohne.com
10/2012 - 4000646002 MA H250/M9-Ex-II3GD-AD-R06-en
2.8 Surface temperature equipment category II 3 D
For use in areas with flammable dust it should be noted that the indicated maximum surface
temperature of T65°C at an ambient temperature of 60°C / 140°F and a product temperature of
65°C / 149°F is valid without a dust coating. For higher product temperatures the maximum
surface temperature is determined by the product.
2.9
Electrical data
Electrical equipment
Nominal voltage
Nominal current
Limit switch K1 / K2
8 VDC
1...3 mA
Signal output ESK II and ESK2A
24 VDC ± 25%
4...20 mA
with HART communication
ESK3-PA Profibus transmitter
1
9...32 VDC
12 mA
1 Further information and instructions for operation of the ESK3-PA Profibus transmitter are provided in separate sup-
plementary instructions.
AD_H250_M9_II3GD_R06_en_646002_PRT.book Page 11 Wednesday, October 17, 2012 8:03 AM
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