Electrical measuring instruments >> analog panel meters >> aircraft instruments


3 300 RUB
800 UAH
67 pieces

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Voltammeter VA-1 (VA1, VA 1, ba-1, ba 1, ba 1)

Voltammeter VA-1 is for measuring current and voltage direct current aircraft (the voltage is measured by pressing the switch).
Technical characteristics of the devices
Voltammeter works complete with external shunt type SHA-040. The device withstands vibration acceleration 1,1 g at a frequency of 20Hz to 80Hz. Tryaskoprochnost is 10,000 strokes per minute with a maximum acceleration of 4g beats at a frequency of 60 to 100 per minute. On the instrument normal and tropical. The device works in the temperature range from -60 º C to +50 ° C;
Measuring ranges VA-1 - 10A-0A-30A, 0V-30V;
Of full scale - 2.5 A, 2.5;
The method of inclusion - the shunt SHA-140;
Duration of load
Allowable load current
under long loads
for 5min.
for 2c
The basic error of VA-1:
- When working with a voltmeter - + 2.0%;
- Working ammeter - + 2.0%;
The basic error of external shunts - 0.2%;
Settling time - no more than 4s;
Scale length VA-1 - 100mm;
The angle of the scale - 240 º;
The resistance of the wires connecting the meter with external shunt - 0,035 + 0,005 ohm ohms;
Changing readings caused deviation of ambient temperature from normal (within the operating temperature range) for every 10 K, does not exceed ± 1,5% of nominal amount of range value when using an ammeter and ± 0,7% of the nominal value of the measuring range when using a voltmeter;
Dimensions - 65h136, 5mm;
VA-1 Weight - 0.4 kg;
Lifespan of the device for use in a passenger and transport aircraft is 1,500 flight hours in helicopters - 1,000 flying hours on other sites - 500 flight hours over 5 years.

Photos VA-1

VA-1 (BA-1) front view (scale).
VA-1 (BA-1) front view (scale).
VA-1 (BA-1) side view (casing depth).
VA-1 (BA-1) side view (casing depth).
VA-1 (BA-1) rear view (connection).
VA-1 (BA-1) rear view (connection).

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