Owner manual

DEVICE DESCRIPTION 2
9
H250 M40
www.krohne.com06/2013 - 4002868601 MA H250-M40-NEPSI-Ex-d-R01-
Maximum permitted temperatures when using a heat resistant connecting cable
Maximum permitted temperatures when using a standard connecting cable
Maximum permitted product temperature T
m
[°C]
Heating jacket TK  T6 T5 T4 T3 T2, T1
none with HT
version
T
amb
[°C] 
≤ 60 ≤ 65 ≤ 65 ≤ 60 ≤ 65 ≤ 60 ≤ 65
DN15
DN25
DN50
DN15
DN25
85 100 135 200 175 200 175
x 85 100 135 200 200 300 300
DN80
DN100
DN50
DN80
85 100 130 185 165 185 165
x 85 100 135 200 200 300 300
Maximum permitted product temperature T
m
[°F]
Heating jacket TK  T6 T5 T4 T3 T2, T1
none with HT
version
T
amb
[°F] 
≤ 140 ≤ 149 ≤ 149 ≤ 140 ≤ 149 ≤ 140 ≤ 149
DN15
DN25
DN50
DN15
DN25
185 212 275 392 347 392 347
x 185 212 275 392 392 572 572
DN80
DN100
DN50
DN80
185 212 275 365 329 365 329
x 185 212 275 392 392 572 572
Maximum permitted product temperature T
m
[°C]
Heating jacket TK  T6 T5 T4 T3 T2, T1
none with HT
version
T
amb
[°C] 
≤ 60 ≤ 60 ≤ 65 ≤ 60 ≤ 65 ≤ 60 ≤ 65 ≤ 60 ≤ 65
DN15
DN25
DN50
DN15
DN25
85 100 75 105 75 105 75 105 75
x 85 100 95 135 95 175 95 175 95
DN80
DN100
DN50
DN80
85 90 75 90 75 90 75 90 75
x 85 100 90 135 90 155 90 155 90
Maximum permitted product temperature T
m
[°F]
Heating jacket TK  T6 T5 T4 T3 T2, T1
none with HT
version
T
amb
[°F] 
≤ 140 ≤ 140 ≤ 149 ≤ 140 ≤ 149 ≤ 140 ≤ 149 ≤ 140 ≤ 149
DN15
DN25
DN50
DN15
DN25
185 212 167 221 167 221 167 221 167
x 185 212 203 275 203 347 203 347 203
DN80
DN100
DN50
DN80
185 194 167 194 167 194 167 194 167
x 185 212 194 275 194 311 194 311 194
AD_H250_M40_NEPSI_Ex_d_R01_en_4002868601_PRT.book Page 9 Wednesday, July 24, 2013 1:42 PM