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MULTICAL® 402
Kamstrup A/S · Technical Description · 5512-742_M1_GB_01.2016
101
14.5
Verification of MULTICAL
14.5.1
General information
402 using METERTOOL HCW
Verification of MULTICAL
14.5.2
Verification equipment
402 requires verification equipment as well as input of verification data into the
METERTOOL HCW program.
Verification equipment, e.g. type 66-99-372 is used for verification of the MULTICAL
Different temperatures are simulated for the two sensor inputs ”T1” and ”T2”. Together with auto-integration
these temperatures form the basis of the verification of the energy calculation (see paragraph 13.2.5
Autointegration).
402 calculator. Verification
comprises Energy verification of ”E1” (66-99-372) and ”E3” (66-99-373), test of volume inputs ”VA” and ”VB.
The equipment was primarily constructed for use in laboratories which test and verify heat meters, but can also
be used for performance test of the meter.
The computer program ”METERTOOL HCW” type 66-99-724 is used for configuration, test and verification.
The verification equipment for MULTICAL
Furthermore, the verification equipment requires mains supply via the included mains adapter.
402 is supplied with USB interface (type 66-99-098) as well as
corresponding driver software. During installation this interface creates a “virtual COM port” which figures as an
optional COM port in the METERTOOL HCW software. As the “virtual COM port” only exists when the equipment is
connected, the verification equipment
must
be connected to the computer before the program ”METERTOOL
HCW” is started.
Verification does not apply to temperature and flow sensors.
The verification equipment is available in two different types, depending on the MULTICAL
66-99-372
Standard (EN1434/MID)
Type 402-W (2-wire Pt500)
402 type used and
the temperature points to be tested.
T1 [
°
C]
43
80
160
T2 [
°
C]
40
60
20
∆Θ
[K]
3
20
140
66-99-373
Standard (EN1434)
Type 402-T (2-wire Pt500)
T1 [
°
C]
12
9
5
T2 [
°
C]
15
17
20
∆Θ
[K]
-3
-8
-15
For other equipment variants (types or temperature points), please contact Kamstrup A/S.
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