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1. APPLICATION
The N10 type meter is a programmable digital instrument destined
to measure parameters in three-phase, 3 or 4-wire power networks,
in symmetric and asymmetric systems with the simultaneous display
of measured quantities and the digital transmission of their values
and their conversion into an analog standard signal.
This meter enables the control and optimization of power electronic
devices, systems and industrial installations. It ensures the measure
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ment of: RMS voltage and current, active power and energy, reactive
power and energy, power factors, frequency, 15-minutes active mean
powers. Voltages and currents are multiplied by given voltage and
current ratios of voltage and current measuring transformers. Power
and energy indications take into consideration values of programmed
ratios. This meter indicates additionally the actual time. The value of
each measured quantity can be transmitted to the superordinated
system through the RS-485 interface. One of the chosen quantity can
be additionally transmitted by means of a standard current signal,
three relays outputs can be used to signalize exceedings of chosen
quantities, a pulse output to control energy counters with pulse
inputs, and a pulse input to check counters having pulse outputs.
Measurements are carried out by the sampling method of voltage
and current signals. The meter is adapted to be fixed into a pannel
by means of holders.
2. METER SET
The set includes:
- N10 type meter 1 pc.
- service manual 1 pc.
- guarantee card 1 pc.
- holders to fix into a pannel 4 pcs.
Additionally for the execution with interface:
- service manual of the serial interface 1 pc.
- service manual of the WIZPAR program 1 pc
- lead of the RS-485 interface 1 pc.
- matching resistor 1 pc.
- diskette for the WIZPAR program 1 pc.
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