With rugged and modular design, PM-90 has been widely applied for the accurate and durable monitoring of digital energy meters for active, reactive and combination energy. It has simple interface for easy access.
Main features
s Programmable PT and CT ratio
s Analog output (optional)
s Energy pulse output (optional)
s Built-in RS-485 communication port
s 1 channel remote signal input (optional)
s Multi-tariff function (Max 12 time lots, optional)
Measured Parameters
|
No |
Variables |
Contents |
Direction |
Display(Max.) |
Accuracy |
|
1 |
Current |
Ia, Ib, Ic, Iavg |
|
9999KA |
Class 0.2 |
|
2 |
Active Power |
Wa, Wb, Wc, W∑ |
Directional |
9999MW |
Class 0.5 |
|
3 |
Reactive Power |
vara, varb, varc, var∑ |
Directional |
9999Mvar |
Class 0.5 |
|
4 |
Active Energy |
kWh |
Directional |
9999999.99kWh |
Class 1 |
|
5 |
Reactive Energy |
Kvarh |
Directional |
9999999.99kvarh |
Class 2 |
Technical Specifications
|
Electrical Connections: |
Single phase, 3-Ph 3 Wire , 3-Ph 4 Wire |
|
Input Voltage: |
0~693VAC, Direct Input |
|
Input Current: |
0~5A |
|
Frequency: |
50Hz/60Hz |
|
Power Factor: |
0.5(Capacitive)~1 ~0.5(Inductive) |
|
Accuracy Class: |
Active
Energy : Class1, IEC61036 |
|
Overload Capacity: |
Voltage
2X, 2sec. |
|
Display: |
8 digits LED display |
|
Metric direction: |
Bi-directional |
|
Output |
kWh/kvarh pulse output kWh/kvar analog output: 0V-5V, 4mA-20mA(optional) RS-485 |
|
Isolation: |
Galvanic isolation on all inputs, outputs and power supply. |
|
Energy Meter Constant: |
1000 imp/ kWh |
|
Auxiliary Power Supply: |
24V~80VAC/DC;85V~265VAC/DC |
|
Power Consumption: |
< 5VA |
|
Operating temperature: |
-20℃~+60℃ |
|
Storage temperature: |
-40℃~+85℃ |
|
Humidity: |
5~95%RH, non-condensing |
|
Dimensional size: |
96mm×96mm×78mm |
|
Installation size: |
91mm×91mm |
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