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DBHG-P Portable CT/PT Analyzer

DBHG-P Portable CT/PT Analyzer is used to following current CT test:
Excitation characteristic test
Turn ratio detection
Ratio error and angular difference calibration
Polarity calibration
Secondary winding resistance measurement
Secondary load measurement
5% and 10% deviation curve measurement
CT transient characteristics test and analysis
Automatically detects CT nameplates
Inflection point voltage/current, accuracy limit factor, safety factor, second time constants, residual magnetism factor, accuracy class, saturated and unsaturated inductance, inflexion electromotive force, limiting e.m.f. and area factor etc.
Current transformer iron core hysteresis loop measurement.

And following voltage PT test:
PT Turn ratio and phase angle difference detection.
PT polarity calibration
PT secondary winding resistance measurement
Secondary load measurement

Applications
CT nameplates parameters calibration
Calibrating parameters when CT connect to current load.
Analyzing relay protection device according to the CT transient characteristics.
PT nameplates parameters calibration.
PT secondary load calibration.

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Description

Specifications
Input power supply		AC220V±10%,50Hz/60Hz±10%
Output voltage		0.1~180V(AC)
Output current		0.001~5A(RMS)
Output power		500VA
Maximum equivalent inflection voltage		45KV
Current measuring range		0~10A (Auto range 0.1/0.4/2/10A) Deviation:<±0.1%+0.01%FS
Voltage measuring range		0~200 V (Auto range 1/10/70/200V) Deviation< ±0.1%+0.01%FS
Turns Ratio measuring range		1~35000 1~2000 Deviation<0.05% 2000~5000 Deviation<0.1% 5000~35000 Deviation<0.2%
Phase measurement		Precision:±2min Resolution:0.01min
Secondary winding resistance measurement range		0~8KΩ(auto range 2/20/80Ω/800Ω/8kΩ) Deviation< 0.2%RDG+0.02%FS. Max. resolution:0.1mΩ
Temperature measuring		-50~100℃, Deviation<3℃
CT Secondary load measurement		0~160ohm(2/20/80ohm/160ohm) Deviation: 0.2%RDG+0.02%FS Max. Resolution: 0.001ohm
PT secondary load measuring		0~80kohm(800ohm/8kohm/80kohm) Deviation: 0.2%RDG+0.02%FS Max. Resolution:0.1ohm
PT turns ratio measuring range		1~30000, 1~5000 Deviation<0.2% 5000~30000 Deviation<0.5%
PT phase angle measuring deviation		<30
Data storage groups		more than 1000 groups

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