Energy counter
EHM1 energy counter has been developed to measure thermic energy exchanged in integrated heating and colling installations. the computation of the thermic temperature done by the electronic reading of the volume of water passed through the flowmeter, and the temperature difference detected by two PT500 thermo sensors, the first placed on the direct flow and the second on the return flow. RS232, RS485, and M-Bus interfaces offer a smart integrated reading network.
General features
| Symbol | Unit | Value |
| Unit of heat energy |
Qe |
GJ MWh |
0,001 a 1 0,001 a 0,1 |
| Unit of volume of the water |
Ve |
m3 |
da 0,001 a 1 |
| Temperature range of the water |
t |
C° |
da 1 a 180 |
| Temperature difference for heating |
∆t |
C° |
>3 |
| Temperature difference for cooling |
∆t |
C° |
<0,5 |
| Maximum permissible error |
El |
% |
+/-(0,5+3∆t) |
| Power range |
Pp |
kW MW |
1-999 0,01-99,99 |
| Flow range |
Qd |
m3/h |
0,001-1% |
| Voltage supply |
Uz |
V |
3,6 |
Features
| Protection class |
IP54 NEMA 3 |
| Battery life |
5 anni |
| Ambient temperature |
tra 5 e 55 C° |
| Approvals |
EN1434 EN61107 |
| Non volatile enxtendable memory |
Stores data for last 12 years |
| Serial interface |
RS232, RS485, M-Bus |
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Energy counter