AF1 Ammeter AC (AF-1, AF 1)
AF1 Ammeter AC is designed (complete with a current transformer TF1 and TF2) to measure the current frequency from 350Hz to 1200Gts and voltage not exceeding 250V.
Technical characteristics of the instrument AF1 Ammeter AC:
The device is operable at vibration loads from 0,7 g to 1,1 g and vibration frequency of 10Hz to 80Hz, vibroprochen vibration at frequencies from 20Hz to 80Hz. On the instrument and the ordinary tropical;
The basic error of AF1, the upper limit of measurement - no more than 2%;
Nominal frequency - 400 Hz;
Tolerance ammeter AF1 ambient temperature -60 º C and +60 ° C and at frequencies different from the nominal, range from 350Hz to 1200Gts - not more than 3.5%;
Grating angle - 230 degrees;
Power consumption - 2.5 V · A;
Settling time - 3c;
Test voltage withstand insulation at a relative humidity of 40% -80% and a temperature of 20 ° C - 1500V;
Manufactured in steel splash-proof and designed for flush mounting on vertical panels;
Ammeter AF1 consists of the following structural units: the measuring equipment - ferrodinamicheskoy system, cases, screen;
Technical resource unit 2000 flight hours over 5 years including 3 years of direct exploitation on the aircraft;
Overall dimensions - 47,4 x47, 4h100mm;
Weight AF1 - 0,375 kg.