Voltmeter D5055 (D 5055, D-5055)
The final value of the measuring range depending on version: 7.5V, 15V, 30V, 60V, 75V, 150V, 300V, 600V.
Voltmeters D5055 designed for accurate measurement of voltage in AC and DC.
Voltmeters D5055 accuracy class 0.1 in accordance with GOST 8711-78 immediately after setting the operating mode and for any time of continuous operation.
Main parameters of the devices listed in the table D5055. The limit of additional error appliances caused by frequency deviation from the upper limit of normal to any value in the working frequency range is ± 0,1% of the final value of the measuring range.
Response time unit D5055 to 4 s.Predel of additional error appliances caused by changes in ambient temperature of (20 ± 2) ° C to any temperature within the operating range for each 10 ° C does not exceed ± 0,1% of final value of the measurement range.
The limit of additional error D5055 devices caused by the influence of external homogeneous constant or variable (frequency within the normal range of frequencies) of the magnetic field with an induction of 0.5 mT, is equal to ± 0,5% of the final value of the measuring range.
Lighting circuit power light indicator devices D5055 is made from the AC voltage (220 ± 22) at 50-60Hz transformer, can be combined with the unit, or directly from a DC or AC voltage of 4V.
Overall dimensions voltmeter D5055: 205h290h135 mm. Unit weight is not more than 4.5 kg. Overall size of the transformer housing: 65x85x45 mm. Transformer weight not more than 0.5 kg.