Phase meter D39 (D 39, D-39)
D39 phase meter is designed to measure the power factor (cosγ) in AC networks 50Hz, 500Hz, 1000Hz, 2400Gts, 4000Hz, 8000Hz and 10000Gts.
Dimensions - 120h120h125mm.
Accuracy class - 2.5.
Technical characteristics of the devices phasemeter D39:
In tropical execution unit is designed for use in rooms with air-conditioned or partially air-conditioned.
Class of accuracy of the instrument phase meter D39 - 2.5.
Acceptable basic error phase meter does not exceed ± 2,5% of measuring range.
Variation of phase meter readings D39 - does not exceed 3.75% of range.
Measuring range sosφ - 0,5-0-0,5.
D39 phase meter is designed to enable a current transformer with a secondary winding on the 5A and the inclusion of a measuring voltage transformer with a secondary winding on 100V.
The change of reading due to ambient temperature deviation from the normal for every 10 K does not exceed ± 2,0%;
- Under the influence of a magnetic field of 400 A / m - for 50Hz, 500Hz, 1000Hz, 160 A / m for frequencies 2400Gts, 100A / m - for the frequency of 4000Hz, 50 A / m - for the frequency of 8000Hz and 40A / m for frequencies 10000Gts - not than ± 5,0%.
Instrument D39 phase meter is designed to work in an upright position.
Settling time moving part - no more than 4s.
Power consumption coherent phase meter circuit, connected via a current transformer, the rated current is less than 5 V ∙ A at a frequency of 50 Hz, 10 V ∙ A at a frequency of 500 Hz, 1000 Hz, 20 V ∙ A at a frequency 2400Gts; ∙ 35V at a frequency of 4000Hz A, 65V ∙ A on frequency of 2000Hz and 50V at a frequency ∙ A 10000Gts.
Power consumed by the parallel circuit the phase meter, connected via a voltage transformer at the rated voltage and rated frequency not exceeding 10 V ∙ A
Overall dimensions phase meter D39 - 120x120x125mm.
Weight - 1.0 kg.
Time between the instrument D39 at the phase meter failure - at least 24 000 hours.