Elster F90M3 compact heat meter Qp 2.5 ISTA compatible + calibration fee

Compact heat meter.
Technical data:
Measuring principle: multi-jet impeller wheel
Design: heat
Heat transfer medium: water
Installation place flow sensor: deep temperature, return
Integrated interfaces: optical infrared
Display: 8 digits
Energy display: MWh (3 NKS)
Nominal flow rate: 2.5 m³/h
Start-up value: 5.0 l/h
Minimum flow rate qs: 5.0 m³/h
Maximum flow rate qi/qp: 1:100, 1:50, 1:25
Nominal pressure PN: 16 bar
Pressure loss at qp: 240 mbar
Connection: 2"" KOAX (ISTA-compatible)
Voltage supply:
Battery 3 V lithium, 10 years
Protection class: IP54
Accuracy: class 3
Environment class: E1 and M1
Temperature range:0 - 150° C
Storage and ambient temperature: 5 - 55° C
Temperature difference range: 3 - 100 K
Temperature sensor: platinum precisin resistance pt500 DIN IEC 60751
Two free sensors, cable length 1.5 m
Cable length arithmetic unit for flow sensor: 0.3 m
Position of installation: horizontal or vertical
Material flow sensor: brass
Approval: MID

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