Electrical measuring instruments >> ammeters


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Ammeter D50143 (D 50143, D-50143)
Designed to measure current, voltage and power in DC and AC.
The final value of the measuring range 0.5A, 1A
Accuracy class 0.2

D50143 ammeters are designed to measure current, voltage and power in DC and AC.
D50143 ammeters are designed for use in moderate climate in enclosed dry heated rooms, at an ambient temperature of 10 ° to 35 ° C and a relative humidity of 80% (at 25 ° C).
Ammeters D50143-4.1 - Version 0, Division 4.1, designed for use in both dry and humid tropical climate in closed rooms with air conditioned or partially air-conditioned at the ambient temperature from 1 to 45 ° C and a relative humidity of 80% at 25 ° C (GOST

Technical data

Ammeter D50143 accuracy class 0.2 in accordance with GOST 8711-78 immediately after the start and during any time of continuous operation.
Change D50143 ammeter readings caused by changes in the frequency of the upper limit of the normal region to any value in the working frequency range does not exceed ± 0,2% of the final value of the measuring range.
The limit of additional error device Ammeter D50143 caused by the influence of external homogeneous constant or variable (frequency within the normal range of frequencies, but not more than 1 kHz) of the magnetic field with the magnetic flux density of 0.2 mT does not exceed ± 0,2% of full scale range measurements.
Response time less than 4s. Dining lighting circuit unit Ammeter D50143 made from AC voltage (220 ± 22) at 50 - 60 Hz via a step-down transformer (supplied with the devices), or directly from an AC or DC voltage of 4V.
Overall dimensions Ammeter D50143 no more 205h290h135 mm, weight of the unit is not more than 4.5 kg. Overall dimensions of the transformer housing no more than 65h85h45 mm, weight of the transformer is not more than 0.5 kg.


Ammeter D50143
The final value of the measuring range The resistance of not more than, Ohm Inductance, no more, mH The normal range of frequencies, Hz Operating frequency range, Hz
0.5 A 1.8 0.8 45-1000 1000-3000
1A 0.7 0.2

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