KROHNE H250 M40 ATEX II3G Ex nA EN - Manual (Page 9)

DEVICE DESCRIPTION
2
9
H250 M40
www.krohne.com 01/2012 - 4001485201- MA H250/M40-Ex-II3G-AD R01 en
Using a heat resistant connecting cable
1 Maximum value of the product temperature for the use of a standard connecting cable. For
higher product temperatures a connecting cable with a temperature resistance of 90°C / 194°F is
required.
HT version - high-temperature version with projecting indicator
The permitted ambient temperature range is indicated on the nameplate; depending on the
device version it is T
amb
= -40...+65°C / -40...+149°F or T
amb
= -25...+65°C / -13...+149°F.
The minimum product temperature is -40°C / -40°F.
Temperature table in °C
Heating jacket T
m
1
None with HT-version T
amb
≤ 40 T
amb
≤ 60 T
amb
≤ 65
DN15, DN25, DN50 DN15, DN25 220 105 75
x - 175 95
DN80, DN100 DN50, DN80 165 90 75
x - 155 90
Temperature table in °F
Heating jacket T
m
1
None with HT-version T
amb
≤ 104 T
amb
≤ 140 T
amb
≤ 149
DN15, DN25, DN50 DN15, DN25 428 221 167
x - 347 203
DN80, DN100 DN50, DN80 329 194 167
x - 311 194
AD_H250_M40_II3G_R01_en_4001485201_PRT.book Page 9 Tuesday, January 24, 2012 8:46 AM