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
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.