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Ammeter M42103, M42103 microammeter (M 42103, M-42 103)
Ammeter M42103, M42103 microammeter designed to measure DC.
Dimensions - 60h60h50mm.
Accuracy Class - 1.5, 2.5.
Vibration, resistant to shaking.
Technical characteristics of the devices ammeters M42103, M42103 microammeter:
The main parameters of the device are shown in Table. 1.
The final value of the instrument measuring range ammeter M42103, M42103 microammeter - 25mkA-0mkA-25mkA; 50mkA; 50mkA-0mkA-50mkA; 100mkA; 100mkA-0mkA-100mkA; 200mkA; 200mkA-0mkA-200mkA; 300mkA; 300mkA-0mkA-300mkA; 500mkA ; 500mkA-0mkA-500mkA; 1000mkA; 1000mkA-0mkA-1000mkA.
The voltage drop across the terminals of the device - no more than 200mV.
Settling time moving part - 4c.
Working position of the device ammeter M42103, M42103 microammeter - vertical or horizontal.
The length scale of the instrument M42103 - 46mm.
Change the ammeter readings M42103, M42103 microammeter under the influence of an external magnetic field of 400A / m does not exceed ± 1,0% for the instrument accuracy classes 1,5 and ± 2,5% - to the instrument accuracy class 2.5.
Table 1 Main parameters of the device ammeter M42103, M42103 microammeter
Device Type
Accuracy class
The main error,%
The variation of readings,% (of range)
Failure to return the arrows to zero,% (of range)
The change of readings for every 10 K,%
± 1,5
± 0,8%
± 2,5
± 1,2%
Overall dimensions M42103 - 60x60x50 mm.
Unit weight ammeter M42103, M42103 microammeter - 0.15 kg.
Time to failure - at least 65 750 hours.
Average life instrument ammeter M42103, M42103 microammeter at least 6 years.

Photos M42103

M42103 front view (scale).
M42103 front view (scale).
M42103 side view (casing depth).
M42103 side view (casing depth).
M42103 rear view (connection).
M42103 rear view (connection).