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VF-250 Voltmeter VF-250 aircraft.


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Voltmeter VF-250 aircraft (VF250, VF 250)
Voltmeter VF-250 aircraft is designed to measure AC voltage in aircraft networks frequency 400Hz.
Technical characteristics of the devices voltmeters VF-250 aircraft:
Limits of measurement instrument voltmeter VF-250 - 0V-250V;
Accuracy class - 2.5;
Basic error - no more than ± 2,5% of full scale range;
Settling time of the mobile device voltmeter VF-250 - 3c;
The scale of the instrument - is uneven;
The length of the instrument scale voltmeter VF-250 - 37mm;
The angle of the scale - 85 º;
Changing the voltmeter readings aircraft VF-250, due to the deviation of the ambient temperature of 20 º C (class H) for every 10 K, does not exceed ± 0,8%; under the influence of a constant external magnetic field of 400 A / m frequency of 400Hz - is ± 3%, and the frequency deviation of ± 50 Hz of the nominal (400Hz) - does not exceed ± 1,2%;
Used at an ambient temperature of -60 º C to +60 º C and a relative humidity of 98% at 40 º C;
Instrument voltmeter VF-250 is operational under vibration loads up to 1,5 g and vibration frequency from 20Hz to 80Hz;
On the instrument, and the usual tropical;
Overall dimensions voltmeter VF-250 - diameter 60h94mm;
Weight - 0.4 kg;
The housing voltmeter VF-250 - splash-proof design, suitable for flush mounting on the vertical boards;
Technical resource unit 2000 flight hours for 5 years, including 3 years of direct exploitation by air;
The manufacturer guarantees that the quality of the instrument voltmeter VF-250 aircraft technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

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