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M901

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Ammeter M901, microammeter M901  (M 901, M-901, m901, m 901, m-901)
 
Designed to measure the current in dc circuits.
Dimensions - 100x90x69mm.
Accuracy Class - 1.0, 1.5.
Vibration, resistant to shaking, dust.
 
Specifications ammeters devices M901, M901 microammeter:
 
The device is used at an ambient temperature of -40 º C to +60 ° C and relative humidity to 95% (at 35 ° C).
Not operate the device ammeter M901, M901 microammeter at temperatures from -50 º C to +60 ° C and relative humidity to 95% (at 60 ° C).
In terms of resistance to mechanical stress device refers to the shaking and vibration.
Measurement range and magnitude of internal resistance ammeter instrument M901, M901 microammeter shown in Table 1.
Table 1: Limits and measurement of the internal resistance of the device ammeter M901, M901 microammeter
 
Measurement limit, uA
The resistance of not more than, Ohm
Measurement limit, uA
The resistance of not more than, Ohm
0mkA-50mkA
1900 ohm
0mkA-1000mkA
15 Ohm
0mkA-100mkA
410 Ohm
25mkA-0mkA-25mkA
1900 ohm
0mkA-100mkA
275 Ohm
50mkA-0mkA-50mkA
410 Ohm
0mkA-200mkA
210 Ohm
100mkA-0mkA-100mkA
210 Ohm
0mkA-200mkA
160 Ohm
150mkA-0mkA-150mkA
50 Ohm
0mkA-200mkA
80 ohms
200mkA-0mkA-200mkA
40 ohms
0mkA-300mkA
50 Ohm
300mkA-0mkA-300mkA
25 ohms
0mkA-500mkA
30 Ohm
500mkA-0mkA-500mkA
15 Ohm
 
Ammeter Accuracy class of devices M901, M901 microammeter 1.0 and 1.5 (devices with a zero in the middle class just exactly 1.5).
Settling time of the mobile device does not exceed 4 sec.
Working position of the device ammeter M901, M901 microammeter vertical or horizontal.
The nature of the scale - even.
Scale length - 71mm.
Change the ammeter readings M901, M901 microammeter caused deviation of ambient temperature from normal (within operating temperature) does not exceed ± 0,5% for instruments of accuracy class 1,0 and ± 0,8% - for instruments of accuracy class 1 5 for every 10grad;
- Under the influence of an external magnetic field of 400A / m, formed by a constant current - not more than ± 0,5%;
- When installing the unit on a ferromagnetic shield - does not exceed ± 0,25%.
Overall dimensions - 100X90X69mm.
Weight - 0.2 kg.
The housing ammeter M901, M901 microammeter dust-and splash-proof design.
Measuring mechanism - the magneto system with a mobile frame.
The minimum probability of failure of ammeter instrumentation M901, M901 microammeter for 500 trials of at least 0.75 at a confidence level of 0.8.

Photos M901

M901 front view (scale).
M901 front view (scale).
M901 side view (casing depth).
M901 side view (casing depth).
M901 rear view (connection).
M901 rear view (connection).


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