Ammeter AF-50 (AF50, AF 50)
Ammeter AF-50 is (in conjunction with a current transformer TF1 and TF2) to measure the current frequency of 400 Hz in aircraft networks with voltage up to 250V.
Technical characteristics of the devices ammeters AF-50:
Measurement range - 20A-50A;
Ranges device ammeter AF-50 without CT - 1A;
Basic error - ± 2,5% value range;
Settling time of the mobile device ammeter AF-50 - 3 s;
The scale of the instrument - is uneven;
The length of the instrument scale ammeter AF-50 - 37mm;
The angle of the scale - 85 º;
Changing readings caused deviation of ambient temperature from normal to any (within the operating temperature range) for every 10 K, does not exceed ± 1% under the influence of an external magnetic field of 400 A / m, formed by current frequency of 400 Hz - does not exceed ± 3 %, with the frequency deviation of ± 50 Hz of the nominal (400 Hz) - less than ± 1%;
Ambient temperature - from -50 º C to +50 º C;
Relative humidity - up to 98% at 25 º C ± 5 º C;
Ammeter device AF-50 is operational under vibration loads up to 1,5 g and vibration frequency from 20Hz to 80Hz, vibroprochen vibration at frequencies from 20Hz to 80Hz.On the instrument ordinary and tropical;
Manufactured in steel splash-proof and designed for flush mounting on the vertical boards;
Ammeter AF-50 consists of the following structural units: the measuring equipment - ferrodinamicheskoy systems, enclosures, screen;
Dimensions - Diameter 60h94mm;
Unit weight ammeter AF-50 - 0.4 kg.
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 ammeter AF-50 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.