KROHNE H250 M9S ATEX II3D Ex t-II3G Ex nA EN - 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