Electrical measuring instruments >> ammeters


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Milliammeter D50144 (D 50144, D-50144)
Designed to measure current, voltage and power in DC and AC.
The final value of the measuring range 100mA, 200mA
Accuracy class 0.2

Ammeters D50144, D50144 milliammeters designed to measure current, voltage and power in DC and AC.
Milliammeters D50144 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).
Milliammeters D50144 - 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 15150-69).

Technical data

Milliammeter D50144 accuracy class 0.2 in accordance with GOST 8711-78 immediately after the start and during any time of continuous operation.
Change readings Milliammeter D50144 caused by changing 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 Milliammeter D50144 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 Milliammeter D50144 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 Milliammeter D50144 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.


Milliammeter D50144
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
100mA 18 3.6 45-1000 1000-3000
200mA 10 0.9

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