Ampervoltvattmetr D552 (D-552, D 552).
Ampervoltvattmetr D552 - combined measuring instrument designed to measure the characteristics of the alternating electric current.
Accuracy class - 0.5.
- A current 0,1-0,25-0,5-1-2,5-5-10-25-50;
- Voltage 100-150-300-450-600V;
- The power 10W-30KW.
Frequency range - 45-1000Hz.
Specifications D552 ampervoltvattmetra
Ampervoltvattmetr D552 has a built-in transformer. Settling time of the mobile device - no more than 4 seconds.
Basic error in the frequency domain does not exceed 0.4% of the final value of the working part of the scale. Devices D552-shielded, the degree of protection from the influence of external magnetic fields belong to the I category. Test voltage insulation strength Q2. Insulation resistance - at least 40MOm.
The resistances chains ampervoltvattmetra D552 are shown in Tables 1 and 2.
Operating conditions D552
Under the terms of mechanical stress during operation ampervoltvattmetry D552 are common. Operating position of the unit - horizontal.
Ampervoltvattmetry D552 are designed for operation at temperatures from +10 ° C to +35 ° C. The relative humidity for optimum performance ammeter should not be more than 80% (at +30 ° C).