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Date/Time:  5/14/18 7:12 GMT

CT PT analyzer

GF1061 portable CT PT analyzer is mainly used for field or lab testing, it can
finish the measurements (M) and protection (P) class CT, PT and TYP class CT.
Adopt 7 inch touch TFT LCD, self-equipped mini type printer supporting field
printing; supporting to use USB flash disk to dump data. The CT PT Analyzer is
the most complete and easy-to-use testing system for protection and metering
CTs according to IEEE and IEC standards.
The CT Analyzer automatically determines all relevant current transformer
values and compares the results with the selected standard. The device
evaluates the current transformer as per the IEC or IEEE standard within
seconds with the push of a button. its can test current transformer and
potential transformer ratio error and phase error, Magnetization curve etc.
It facilitates fast and economical on-site testing and calibration of metering
and protection current transformers. Manufacturers of current transformers,
high voltage transformers and switchgear also use the CT Analyzer for tests
during development and production.
1. Measurement type current transformer
2. Protection type current transformer
3. GIS type current transformer
4. Bushing type current transformer
5. Zero sequence current transformer
6. Voltage transformer
I. Current Transformer (CT) II. Voltage Transformer (PT)
1. Magnetization curve 1. Excitation characteristic test
2. Transformation ratio test 2. Transformation ratio test
3. Polarity 3. Polarity
4. 5% and 10% error curve 4. Ratio error, phase error
5. Accuracy limiting factor (ALF) 5. Degauss
6. Degauss 6. Calculation of knee point value
7. Ratio error, phase error 7. Actual secondary load test (burden test)
8. Automatic calculation of excitation knee
point value 8. Resistance test
9. Actual secondary load test (burden test)
10. Resistance test 
11. Secondary time constant (Ts)
12. Remanence coefficient (Kr)
13. Transient dimensioning factor (Ktd)
14. Peak instantaneous error (Er)
15. Magnetizing inductance (LU)
16. Instruments security factor(FS)
17. Composite error


Electrical parameters
Accuracy 0.05%, 0.02%
Power supply AC 220V±10% or AC 120V±10%, 50/60Hz or Battery
Output voltage 0-100Vrms
Output current 0-5Arms (20A peak-value)
Output power 0-400 VA (1500 VApeak)
Automatic frequency variation range 0.1-60Hz
Equivalent excitation voltage ≤5000V
Accuracy ≤0.5%
Secondary winding DC resistance measurement Range 0.1-1000Ω
Accuracy ≤0.05%
Secondary actual load measurement Range 5VA-1000VA
Accuracy ≤0.5%±0.1VA
CT/PT phase error measurement Accuracy ±1min (typical) / 3 min
Resolution 0.1min
CT ratio error measurement Range 1-50000
Accuracy ≤0.05%
PT ratio error measurement Range 1-10000
Accuracy ≤0.05%
Reference standards GB1207-2006, GB1208-2006, GB16847-1997
IEC60044-1, IEC60044-6, IEC61869-2, ANSI/IEEE C57.13
Safety standards GB 4793.1-2007
EMC EMC standard 89/336/EEC
FCC Subpart B of Part 15 Class A
IEC 1000-4-2 /3 /4 /6
Mechanical parameters 
Overall dimension (L x W x H) (mm) 280 x 250 x 160
Weight (kg) ≤4
Environmental conditions 
Relative humidity Relative humidity 5%-95% not condensing
Operating temperature -10°C to +50°C
Storage temperature -20°C to +70°C
Altitude ≤1000m
 CT PT analyzer
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SOURCE: Import-Export Bulletin Board (
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