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Electrical measuring instruments >> analog panel meters >> ammeters and voltmeters >> alternating current low-frequency (less 1000Hz) >> size 96x96mm


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79 pieces

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    Voltmeter EV0703
    Also, this device can be called: EV-0703, EV 0703, EV0703, ev0703, ev-0703, ev 0703.

    Voltmeter EV0703 - a device with a rectifier-coil system is designed to measure voltages are single-phase alternating current.
    The device operates on the principle of rectification of the AC semiconductor diodes and the interaction between the magnetic field of a permanent magnet with rectified current, which flows through the cross bar measuring system.
    In this uniform scale voltmeter and analog display system.

    Specifications EV0703

    Dimensions - 96х96х50 mm.
    Accuracy class - 1.5.
    Response time less than 4 seconds.

Measurement ranges and how to integrate devices voltmeters EV0703 are given in the table below.
Measuring range EV0703
A way to incorporate
15V, 30V, 50V, 75V, 100V, 150V, 250V, 300V, 400V, 500V, 600V
400V, 450V, 500V, 600V, 750V
After a voltage transformer with a secondary voltage of 100V
3.5 kV, 4 kV, 6 kV, 7.5 kV, 12.5 kV, 15 kV, 17.5 kV, 20kV, 25kV, 40kV, 125kV, 150kV, 175kV, 200kV, 250kV, 400kV, 600sq

    Changes display voltmeters EV0703 can be caused by:
    - Changing the position of the instrument in any direction from the normal position by 5 ° (amount of change indication - no more than ± 0,75%);
    - Frequency deviation from the normal frequency by ± 10% (change of indications - no more than ± 1,5%);
    - The influence of an external uniform magnetic field, the time-varying sinusoidally with a frequency equal to the frequency of the current, voltage of 0.4 kA / m (changing testimony - ± 6%);
    - Deviation of the ambient temperature from normal to 50 ° C or minus 40 ° C (the amount of change of indications - no more than ± 1,2%);
    - Deviation from the normal relative humidity up to 95% at a temperature of 35 ° C (change of testimony - no more than ± 1,5%).
    Operating conditions of devices EV0703

    Temperature from -40 ° C to +50 ° C.
    Relative humidity 95% at a temperature of +35 ° C.
    Vibration resistance: acceleration of 15 m / s 2, the frequency of 30Hz.
    Vibration resistance: acceleration of 5 m / s 2, the frequency of 20Hz
    Shock: acceleration of 70 m / s 2, the frequency of strikes from 10 to 50 minutes.
    The normal frequency and frequency range - 50-1000Hz.
    Weight 0.25 kg.
    MTBF 50,000 hours.
    Lifetime 12.