KROHNE H250 M40 EN - Manual (Page 63)

TECHNICAL DATA
8
63
H250 M40
www.krohne.com 11/2012 - 4000640702 MA H250 M40 R02 en
Materials
Other options:
• Special materials on request: e.g. SMO 254, titanium, 1.4435
• Float damping: ceramic or PEEK
• Gasket for devices with female thread as insert: O-ring FPM / FKM
Temperatures Temperatures Temperatures Temperatures
For devices to be used in hazardous areas, special temperature ranges apply. These can be
found in the separate instructions
Temperatures H250/M40 - mechanical indicator without power supply
Ambient temperatures T
amb.
with electrical components
Item Flange / raised face Measurin
g tube
Float Float stop /
guide Ring orifice
H250/RR
stainless steel
CrNi steel 1.4404
massive 1
CrNi steel 1.4404 1 -
H250/HC
Hastelloy
®
CrNi steel 1.4571 with
plated Hastelloy
® C4
(2.4610) 1
Hastelloy ® C-22 (2.4602) -
H250/C
Ceramics/PTFE
2
CrNi-Stahl 1.4571
with TFM/PTFE liner 3
PTFE or Al
2
O
3
with
FFKM gasket
Al
2
O
3
and PTFE
Al
2
O
3
H250/F - Food CrNi-Stahl 1.4435 -
1 CrNi steel 1.4571 on request, for clamp connection CrNi steel 1.4435
2 DN100/4" only PTFE
3 TFM/PTFE liner (electrically non-conductive)
Material Product temperature Ambient temperature
Float Liner [°C] [°F] [°C] [°F]
H250/RR stainless steel -196...+300 -321...+572 -40...+120 -40…+248
H250/RR screw fitting -196...+300 -321...+572 -20…+120 -4…+248
H250/HC Hastelloy ® C4 -196...+300 -321...+572 -40...+120 -40…+248
H250/C PTFE -196...+70 -321...+158 -40...+70 -40…+158
H250/C Ceramic PTFE -196...+150 -321...+302 -40...+70 -40…+158
H250/C Ceramic TFM / Ceramic -196...+250 -321...+482 -40...+120 -40…+248
H250 H/U Spring material Stainless Steel
316
-40...+100 -40…+212 -40…+120 -40…+248
Spring material Hastelloy -40...+200 -40...+392 -40…+120 -40…+248
Version [°C] [°F]
ESK4, ESK4-FF, ESK4-PA -40...+70 -40...+158
ESK4-T 1 -40...+70 -40...+158
Limit switches SJ3,5-SN / I7S23,5-N / Reed SPST -40...+70 -40...+158
Limit switches SC3,5-N0 / SJ3,5-S1N / SB3,5-E2 -25...+70 -13...+158
1 Display contrast out of the temperature range 0...60 °C / 32..140°F decreasing.
MA_H250_M40_R02_en_640702_PRT.book Page 63 Wednesday, November 28, 2012 12:23 PM