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HYDROCAL-M3

Compact thermal energy meter

HYDROcal-m3

Compact thermal energy meter

HYDROCAL-M3 is a compact thermal energy meter that measures the amount of energy used for heating or cooling the water supplied to individual tenants served by centralised heating/cooling systems.

The processing of data related to the difference between the temperature of the supply and that of the return, along with the data related to the volume of water used by each tenant, allows to calculate the exact amount of energy actually used.

Hot/cold combined
Hot/cold combined
2 pulse inputs
2 pulse inputs
 M-BUS EN13757-2 / 3 output integrated
M-BUS EN13757-2 / 3 output integrated
Wireless M-BUS EN13757-4 OMS output on request
Wireless M-BUS EN13757-4 OMS output on request
Calculation unit rotating at 360°
Calculation unit rotating at 360°
High precision platinum made measuring sensors
High precision platinum made measuring sensors

Standard version for installation on the return pipe.

Version for installation on the flow pipe available upon request.

Technical Features

Nominal diameterDN15
G 3/4”
DN15
G 3/4”
DN20
G 1”
Length110 mm110 mm130 mm
Nominal flow rate 0.6 m³/h1.5 m³/h2.5 m³/h
Max flow rate1.2 m³/h3.0 m³/h5.0 m³/h
Min flow rate24 l/h30 l/h50 l/h
Accuracy class222
Range Qp/Qi (H/V)255050
Environmental classA (E1; M1)A (E1; M1)A (E1; M1)
Pressure lost at Qp≤ 0.25 bar≤ 0.25 bar≤ 0.25 bar
Nominal pressure16 bar16 bar16 bar
Temperature measuring range (Heating)5 ÷ 90 °C5 ÷ 90 °C5 ÷ 90 °C
Temperature difference range (Heating)3 ÷ 70 K3 ÷ 70 K3 ÷ 70 K
Temperature measuring range (cooling)0,2 ÷ 24 °C0,2 ÷ 24 °C0,2 ÷ 24 °C
Calibration temperature (cooling)0,2 ÷ 20 K0,2 ÷ 20 K0,2 ÷ 20 K
Temperature sensor typePT 1000PT 1000PT 1000
Cable length for the temperature sensor1.5 m1.5 m1.5 m
Power supplylithium batterylithium batterylithium battery
Max. battery life basic version / radio version10+1 years / 6 years10+1 years / 6 years10+1 years / 6 years
Protection classIP54IP54IP54
Display level666
DisplayLCD 8 digits + iconsLCD 8 digits + iconsLCD 8 digits + icons
Energy UnitsMWh (GJ on request)MWh (GJ on request)MWh (GJ on request)

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