H5 4 – KROHNE H54 M4 EN User Manual
Page 4
4 H54 Installation and operating instructions
1 General
1.1 Type
code
The type code consists of the following elements: 1)
H
5 4 / /
/
/
1
2
3
4 5
6
1
Series measuring unit H54
2 Materials
RR
: stainless
Steel
C
:
stainless steel with PTFE liner
3
Heating jacket design
B
:
with heating jacket
4
Display part series
M4 :
mechanical
indicator
M10
:
electronic transmitter with LC display M10
5
Signal output (M4 display)
ESK :
electronic
transmitter
6
Limit switch
K1
:
one limit switch
K2
:
two limit switches
1) Positions which are not used in the type code are not required.
1.2 Marking
The type marking of the complete instrument is carried out at the display part by means of the rating plates
shown here (also refer to the type code).
Example:
MD:
Manufacturing date
PS:
Max. permissible operating
pressure at max. permissible operating temperature TS
PT max:
Maximum pressure tested
TS:
Max. operating temperature
PED:
Directive for Pressure Equipment
Tag No :
Measuring point tag
0044:
Identification
number
of
the supervising office for
EC Directive for Pressure Equipment 97/23/EC
SN:
Serial number
SO:
Sales order / item
KO:
KROHNE
order
V251…:
Product configurator code
AC:
Article
code