Kamstrup MULTICAL 402 - True Energy Calculation; Multical

MULTICAL® 402
Kamstrup A/S · Technical Description · 5512-742_M1_GB_01.2016
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13.4 True energy calculation
During test and verification the heat meter’s energy calculation is compared to the ”true energy” calculated
according to the formula of EN 1434-1:2007 or OIML R75:2002.
The PC-program METERTOOL from Kamstrup includes an energy calculator which is suitable for this purpose:
The true energy at the most frequently used verification points is indicated in the table below.
T1
[°
C
]
T2
[°
C
]
∆Θ
[
K
]
Flow
[
Wh/0.1 m
3
Return
]
[
Wh/0.1 m
3
]
42 40 2 230,11 230,29
43 40 3 345,02 345,43
53 50 3 343,62 344,11
50 40 10 1146,70 1151,55
70 50 20 2272,03 2295,86
80 60 20 2261,08 2287,57
160 40 120 12793,12 13988,44
160 20 140 14900,00 16390,83