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GF1061 Portable High Precision CT PT Analyzer with Printer – Electrical Transformer Testing Equipment

17 Jan 2026
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Product Description

GF1061PT PT tester is the first portable device (4.8 kg) which offers highly accurate voltage transformer tests. This allows to use GF1061PT not only for electrical performance checks, but also for class verification and calibration. It performs quick tests of all kinds of inductive voltage transformers (VTs or PTs) and capacitive voltage transformers (CVTs) for both protection and metering purposes.
Its lightweight design makes it ideal for on-site tests and calibration tasks in power system grids. As a manufacturer or testing lab you can use GF1061PT in your production facilities and test/development labs.
GF106PT voltage transformer test equipment can finish the measurements (M) and protection (P) class PT. Adopt 7 inch touch TFT color LCD, self-equipped mini type printer supporting field printing; supporting to use USB flash disk to download data. The GF1061PT portable PT test set is the most complete and easy-to-use testing system for PTs according to IEEEC57.13 and IEC60044 & IEC61869 standards.

Features

Multi secondary winding test optional;

Produce a word or PDF file test report;

With battery optional, working one week;

PT test, easy to test, all the tests result quickly;

Portability: weight 4.8kg, the best light pt analyzer

Tests such as ratio, phase, polarity, capacitive ratio;

With thermal printer, printing test results in the field;

Parameters such as knee point current and voltage;

Parameters such as 10% error curve, 5% error curve;

The data can be displayed and analyzed after transferred to PC;

Tests of various types of measurement and protection VTs and CVTs;

Using of advanced power technology, the test knee point reaches up to 80kV;

No external other auxiliary equipment, stand-alone to complete all test items;

Storage 10000 groups of test data which would not be lost if the device is power off;

Application

Power plant;

Electrical laboratory;

Metrological service center;

Voltage transformer factory;

Power engineering commissioning company;

Electricity power bureau & power company;

National Metrology and testing department;

Electrical Department of industrial and mining enterprises;

Functions

I. Voltage Transformer (PT)
1. Excitation characteristic test
2. Transformation ratio test
3. Polarity
4. Ratio error, phase error
5. Degauss
6. Calculation of knee point value
7. burden test
8. Resistance test

Parameters

Electrical parameters
Accuracy	0.02% or 0.05%
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/50KV
Accuracy	≤0.02% or 0.05%
Secondary winding DC resistance measurement	Range0.1-1000Ω Accuracy≤0.02% or 0.05%
Secondary actual load measurement	Range0.1VA-1000VA Accuracy≤0.02%±0.1VA
CT/PT phase error measurement	Accuracy±1min (typical) / 3 min (guaranteed) Resolution0.1min
CT ratio error measurement	Range1-50000 Accuracy≤0.02% or 0.05%
PT ratio error measurement	Range1-30000 Accuracy≤0.02% or 0.05%
LCD display	7' inch TFT touch color LCD
Cable Length	Primary 5m; Secondary 5m; others customized
Communication port	USB, RS232, WIFI
PC control software	Yes, Optional
Printer	Yes, Thermal printer
Standards
Reference standards	GB1207-2006, GB1208-2006, GB16847-1997 IEC60044-1, IEC60044-2,6, IEC61869, 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)	≤4.5
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; If the altitude is greater than 2500m, the instrument needs to be customized