KROHNE H250 M40 EN - Manual (Page 62)

8
TECHNICAL DATA
62
H250 M40
www.krohne.com 11/2012 - 4000640702 MA H250 M40 R02 en
8.2 Technical data
INFORMATION!
•
The following data is provided for general applications. If you require data that is more
relevant to your specific application, please contact us or your local sales office.
• Additional information (certificates, special tools, software,...) and complete product
documentation can be downloaded free of charge from the website (Download Center).
Measuring system
Application range Flow measurement of liquids, gases and vapors
Function / Measuring principle Variable area measuring principle
Measured value
Primary measured value Float position
Secondary measured value Operating and standard volumetric flow
Measuring accuracy
Directive VDI / VDE 3513, sheet 2 (q
G
= 50%)
H250 /RR /HC /F 1.6%
H250/C (Ceramic, PTFE)
H250H, H250U, H250 (100 : 1)
2.5%
Operating conditions
Temperature Temperature Temperature Temperature
Max. operating temperature TS -196..+300°C / -321...+572°F
Pressure Pressure Pressure Pressure
Max. operating pressure PS Depending on the version, up to 400 bar / 5802 psig 1
Max. test pressure PT Pressure equipment directive 97/23/EC or AD 2000-HP30
Min. required operating pressure 2 times greater than pressure loss (see measuring ranges)
Protection category Protection category Protection category Protection category
M40, M40S, M40R IP 66/68 acc. to EN60529, NEMA 4/4X/6 acc. to NEMA 250
M40R IP69K acc. to DIN 40050-9
Float damping during gas measurement recommended: Float damping during gas measurement recommended: Float damping during gas measurement recommended: Float damping during gas measurement recommended:
DN15...25 / ½"...1" Operating pressure <0.3 bar / 4.4 psig
DN50...100 / 2"...4" Operating pressure <0.2 bar / 2.9 psig
Installation conditions acc. to VDI/VDE 3513 Sheet 3
Inlet run ≥ 5 x DN
Outlet run ≥ 3 x DN
1 higher operating pressures on request
MA_H250_M40_R02_en_640702_PRT.book Page 62 Wednesday, November 28, 2012 12:23 PM