Electrical measuring instruments >> analog panel meters >> phase meters >> single-phase meters

C302, C302-M1

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Phase meter C302 (C-302, C 302)
 
TS302 phase meter is designed to measure the power factor in single-phase AC networks 50Hz, 500Hz, 1000Hz, 2400Gts, 4000Hz, 8000Hz, 10000Gts.
Dimensions - 120h120h95mm.
Accuracy class - 2.5.
Vibration, shock-resistant.
 
Technical characteristics of the instrument phase meter C302:
 
The operating principle of an electronic transducer is to convert with PWM input sinusoidal signal into a sequence of rectangular pulses and their subsequent integration into a direct current, whose value depends on the phase angle of input signals.
C302 phase meter consists of a display system with a magneto-vnutriramochnym measuring mechanism with a movable part in the cores and the electronic transducer located in the building phase meter.
Limit the permissible basic error - ± 2,5% of scale length, and the current in a daisy chain can vary between 50% ... 100% of the nominal value.
Permissible limit of variation of reading phase meter C302 - 3.75%.
The instrument is designed to connect directly to a rated current of 5A and 127V nominal voltage, 220V, 380V at 50Hz, and through the current transformer secondary winding on through 5A and voltage transformers with secondary winding at 100V at frequencies of 50Hz, 500Hz, 1000Hz, 2400Gts , 4000Hz, 8000Hz, 10000Gts.
The ranges of measurement of the power - 0.5 ... 0.5 ... 1.
The limit of permissible additional error of the instrument phase meter C302 caused by:
- ± 2,5% - a change of the phase meter from the vertical in any direction at ± 5 °;
- ± 2,5% - change in ambient temperature from normal to anyone within -10 º C ...+50 ° C for every 10 ° C;
- ± 2,5% - change in relative humidity from normal to 95% at 30 ° C;
- ± 2,5% deviation from the normal rate of ± 2%;
- ± 1,5% - the influence of external homogeneous constant magnetic field with induction 0.5 mT and an alternating magnetic field with induction 0.5 mT at frequencies of 50 Hz, 500 Hz and 1000 Hz, 0.2 mT at a frequency 2400Gts, 0.12 mT at a frequency of 4000Hz , 0.06 mT at a frequency of 8000Hz, 0.05 mT at a frequency 10000Gts under the most unfavorable direction and phase of the magnetic field;
- ± 1,25% the influence of a ferromagnetic shield thickness of 2 mm ± 0,5 mm;
- ± 2,5% - deviation of the voltage of ± 10% of the nominal value.
The length scale of the instrument phase meter C302 - not less than 90mm.
Response time less than 4s.
Operation mode setup time unit phase meter C302 (preheating) - 15 min.
Insulation between the housing and insulated from the body by direct current electric circuits stand for 1 min test voltage AC, 50 Hz, the current value is 2kV.
Isolation between series and parallel circuits the instrument phase meter C302 stand for 1 min, 50 Hz test voltage, current value is 600V - for the rated voltage 100V, 127V, 220V, 760V - for the nominal value of 380.
Test voltage between parallel and serial circuits phase meter to be included only with the current transformer (without voltage transformer):
- 0.5 kW - for the rated voltage 127V;
- 1.5 kW - for the rated voltage 220V;
- 2kV - for the rated voltage 380V.
The insulation resistance between the shell and insulated from the body by direct current electric circuits unit phase meter C302 - no less than 20 megohms.
The insulation resistance between series and parallel circuits the phase meter is not less than 10 megohms.
Own consumption of the device C302 phase meter at rated current, voltage, and frequency of no more than: 1V ∙ For the series circuit and 5B ∙ For a parallel circuit.
Phase meter long (2 hours) Overpressure current and voltage equal to 120% of rated value.
Overall dimensions of the phase meter devices C302-20h120h95mm.
Weight - no more than 1.0 kg.
The ambient air temperature - -10 º C ...+50 ° C and 95% relative humidity at 30 ° C.
Phase meter C302 supplied to areas with tropical climates, is designed to operate at a temperature of -10 º C ...+50 ° C and 95% relative humidity at 30 ° C in rooms with air-conditioned or partially air-conditioned (in the absence of direct solar radiation, precipitation, wind, sand and dust outside air).
Withstand (without package) without damage effect in 2000 strikes with maximum acceleration of 70 m / s 2 at 10 ... 50 beats / min, and vibration with maximum acceleration 15m / s at 30Hz.

Photos C302, C302-M1

TS302, TS302-M1 front view (scale).
TS302, TS302-M1 front view (scale).
TS302, TS302-M1 side view (casing depth).
TS302, TS302-M1 side view (casing depth).
TS302, TS302-M1 rear view (connection).
TS302, TS302-M1 rear view (connection).


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