TECHNICAL DATA
8
77
H250 M40
www.krohne.com
03/2020 - 4000640706 - MA H250-M40 R06 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 (Downloadcenter).
HT
High-temperature version
ESK4A
2-wire current output 4
…
20 mA with HART
®
7
ESK4-T
ESK4-IO (LCD, binary status outputs, digital counter and pulse output)
ESK4-FF
FOUNDATION FIELDBUS interface
ESK4-PA
PROFIBUS PA interface
Table 8-1: Used abbreviations
Measuring system
Application range
Flow measurement of liquids, gases and vapours
Function / Measuring principle
Float measuring principle
Measured value
Primary measured value
Float position
Secondary measured value
Operating volume flow, standard volume flow or mass flow
Measuring accuracy
H250 /RR /HC /F
1.5% of full scale
1.6% of measured value according to VDI/VDE 3513-2 (q
G
= 50%)
H250/C (ceramic, PTFE), H250H, H250U,
H250 (100 : 1), H250 (Low flow)
2.0% of full scale
2.5% of measured value according to VDI/VDE 3513-2 (q
G
= 50%)
Precision (repeatability)
Precision (repeatability)
Precision (repeatability)
Precision (repeatability)
H250 /RR /HC /F
0.25%
H250H, H250U, H250 (100 : 1)
0.5%
Operating conditions
Temperature
Temperature
Temperature
Temperature
Max. operating temperature TS
-196...+300
°
C / -321...+572
°
F
Depending on the version (refer to nameplate)
Higher temperatures up to +400
°
C /+752
°
F are on request.
Mechanical indicators
For detailed information on product and ambient temperatures refer to
Temperatures for mechanical indicators without auxiliary power
on page 79.
Devices with electrical components
For detailed information on product and ambient temperatures refer to
Temperatures for devices with electrical components
on page 80.