Phase meter E120 (E-120, E 120).
E120 Phase meter - showing analog electrical measuring instrument showing the phase angle between the electrical input values to the same frequency and the same curve shape.
The limit of measurement (power factor cos α) 0 -1-0 capacitive ind.
Rated voltage 127-220V-380V.
Rated current devices for frequency 50Hz - 5A.
Power consumption of sequential circuits 2h2Vt no more, no more than a parallel circuit 2W.
E120 Phase meters have 286×215×132mm dimensions and weight - not more than 4.5 kg.
Phase meter E120 has a scale length 190mm. The angle scale of 180 °. Primary and secondary instrument error E120 phase meter expressed as a percentage of the length scale of the phase meter E120. The main instrument error does not exceed ± 1,5%. Effect of temperature does not exceed ± 0,5% for every 10 º C. Effect of change in frequency by ± 10% for devices E120 does not exceed ± 1,5%. The influence of the external magnetic field strength 400at / m less than 1%. Effect tilt device 30 ° from the horizontal position and any direction does not exceed ± 1,5%.
Settling time is not more than 3 seconds. Dielectric strength Q2. Test voltage between serial and parallel circuits, and between separate successive circuits of the device is 0.6 KV.
Phase meters E120 is designed to work in areas with temperatures ranging from -40 º C to +50 º C and a relative humidity of 98% (at 35 º C).