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    E4200 ammeter, voltmeter E4200
    Also, this device can be called: E-4200, E 4200, e4200, e-4200, e 4200.
    Ammeter, voltmeter E4200 - Electromagnetic system device to measure current and voltage in DC circuits.
    The device has a circular scale with the presentation of information - analog display. FFL is placed on the edge of the measuring range.
    Ammeters, voltmeters E4200 operate on the principle of interaction of the magnetic field of the measured current flowing through the coil and the core, which, depending on the magnitude of the current, is drawn into the coil window.
    The housing is made ​​of plastic, which protects the measuring system from contamination, damage and dust.
    Technical characteristics of the devices ammeters, voltmeters E4200
    Dimensions of 120x120x50 mm.
    Accuracy class 1.5, 2.5.
    Dimensions of additional resistance R4202 - 120h90h45 mm.
    Ranges devices and related methods include in the table.
Measurement range
Way inclusion
A - 1A, 2A, 3A, 5A, 10A, 20A, 30A, 50A
V - 10V, 30V, 50V, 100V, 150V, 250V
V - 500V, 600V, 750V
With individual series resistor R4202
In determining the reduced errors normalizing value leveled the upper limit of the measuring range. Limit of permissible variations readings E4200 becomes no more than polutorakratnogo value of the maximum permissible basic error.
    Changes display ammeters, voltmeters E4200 can be caused by:
    - Changing the position of the device from its normal position in any direction by 5 ° (the value of reading changes - less than half the limit of acceptable basic error);
    - Frequency deviation of ± 10% of the normal rate (change of testimony - no more than the limit of acceptable basic error);
    - The influence of external homogeneous magnetic field 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 the limit of acceptable basic error).
Operating conditions ammeter, voltmeter E4200
    Temperature from -40 ° C to +50 ° C.
    Relative humidity 95% at +35 ° C.
    Vibration resistance: acceleration of 5 m / s 2, the frequency of 20Hz.
    Shock: acceleration of 70 m / s 2, the frequency of 10-50 beats per minute.
    Unit weight 0.35 kg E4200.
    Mass Resistance additional R4202 0.25 kg.
    Rate of mean time between failures 5000 hours.
    Average life of 12 years.