GDHG-108A CT/PT Analyzer
GDHG-108A CT/PT Tester supports test voltage method to test bushings CTs which installed on?transformer?or?inside?switch-gear, suitable?for?the?laboratory?and?on-site detection.
Itcan?be?easily?and?conveniently?done?voltage?current?characteristic,?transformer?ratio,?ratio and?phase?angle?error,?load?test?items?on?CT/PT.
● Using?the?voltage?detection?principle to measure CT and PT.
● To?meet?the?requirements?of?GB1207,?GB1208,?GB168-47?(IEC60044-1.6)?and?other?standards.
● No?external?auxiliary?equipment,?a?single?machine?can?complete?all?test?items.
● With?high?speed?micro?printer:?real-time?print?the?test?result.
● Using?intelligent?controller,?operation?is?simple.
● 5inch LCD screen display.
● Automatically?given?CT/PT?(excitation)?knee?point?value.
● Auto?display?5%?and?10%?error?curve.
● Save?3000?groups?data,?it?won't?lost?after?power?off.
● With?USB?port.?The?data?can?be?saved?in?USB?disk?and?read?by?PC (WORD?format?file).?
● Light weight, less than 22kg, suitable for onsite testing.
Main functions
| CT?(voltage detection) | PT |
| ? Voltage current characteristic?curve (excitation characteristic) | ??Voltage current characteristic?curve (excitation characteristic) |
| ? Auto calculate knee point value | ? Auto calculate knee point value |
| ? Auto display 5% and 10% error curve | ? Turns ratio measurement |
| ??Turns ratio measurement | ? Polarity determination |
| ? Polarity determination | ??AC Hipot Test |
| ??AC Hipot Test | ? Demagnetization of iron core |
| ? Demagnetization of iron core | ? Voltage multiple can be adjusted (1.2-2.5times) in PT VA characteristic test |
| ? Accurate limit factor(ALF) measurement | ? |
Main parameters?
| Item | Parameter | |
| Power supply | AC220V±10%, 50Hz | |
| Output | 0-1000Vrms(20A?peak) | |
| Accuracy of excitation measurement | ≤ 0.4% of the reading+0.6% of the range | |
| CT turns ratio measurement | Range | ≤3000A/1A(15000A/5A) |
| Accuracy | ±1.0% | |
| PT turns ratio measurement | Range | ≤500KV |
| Accuracy | ±1.0% | |
| Operation environment | Temperature: -10℃?~?40℃, humidity: ≤90%, Altitude: ≤1000m | |
| Dimension&Weight | Dimension: 440mm × 360mm × 340mm ??Weight: ≤22Kg | |
| CT/PT Tester | 1piece |
| Test Lead | 1set |
| Earth cable | 1piece |
| Power cord | 1piece |
| 2A fuse | 2pcs |
| User's guide | 1copy |
| Factory test report | 1copy |




