Device description – KROHNE H250 M40 NEPSI Ex ia User Manual
Page 11
DEVICE DESCRIPTION
2
11
H250 M40
www.krohne.com
03/2013 - 4002616701 AD H250 M40 NEPSI Ex ia R01 en
Maximum permitted product temperatures for painted measuring units in °C
Maximum permitted product temperatures for painted measuring units in °F
Maximum permitted product temperature T
m
[°C]
Heating jacket
TK
T6
T5
T4 ... T1
None
with
HT version
T
amb
[°C] ≤ 40
≤ 60
≤ 65
≤ 60
≤ 65
DN15...
DN100
DN15...
DN80
With / none
ESK4 / ESK4-T
40
65
65
65
65
ESK4-FF / ESK4-PA
40
60
not
admissible
65
65
K1/K2 - 64 mW
40
65
65
65
65
K1/K2 (I7S23,5-N / SC3,5-N0-Y) - 169 mW
not
admissible
not admissible
65
65
K1/K2 (SJ3,5-SN or SJ3,5-S1N) - 169 mW
not
admissible
not admissible
65
65
Maximum permitted product temperature T
m
[°F]
Heating jacket
TK
T6
T5
T4 ... T1
None
with
HT version
T
amb
[°F] ≤ 104
≤140
≤ 149
≤ 140
≤ 149
DN15...
DN100
DN15...
DN80
With / none
ESK4 / ESK4-T
104
149
149
149
149
ESK4-FF / ESK4-PA
104
140
not
admissible
149
149
K1/K2 - 64 mW
104
149
149
149
149
K1/K2 (I7S23,5-N / SC3,5-N0-Y) - 169 mW
not
admissible
not admissible
149
149
K1/K2 (SJ3,5-SN or SJ3,5-S1N) - 169 mW
not
admissible
not admissible
149
149
AD_H250_M40_NEPSI_Ex_ia_R01_en_4002616701_PRT.book Page 11 Friday, March 8, 2013 11:14 AM