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Mr. Ricky CasipeWith regards of our test instrument the’re all in Good condition. I'll purchase some instrument sooner. Thank you very much
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Ms. Remy GalaponFrom year 2020 to 2023, we purchased more than 30 equipment from Delta Technology, they are all work well and the service from Delta Technology is also good.
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Mr. MilanThe VLF-80 Tester is perfect and thank you.
CPT-III 220V to 500kv Power Current Transformer Testing Equipment
Place of Origin | China |
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Brand Name | Delta |
Certification | ISO9001 |
Model Number | CPT-III |
Minimum Order Quantity | 1 set Relay Tester |
Price | USD1.0 |
Packaging Details | CPT-III Current Transformer Testing packed in veneer case |
Delivery Time | 10-20 days |
Payment Terms | T/T, Western Union |
Supply Ability | 1000 sets per month |

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xItem Name | CPT-III 220V To 500kv Power Current Transformer Testing Equipment | Functions | Test Parameters Of Various Kinds Of Transformer |
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Description | Power Current Transformer Testing Equipment | Knee Point Voltage | 40kV |
Max. Test Voltage | 180V | Size | 485mm×356mm×183mm |
Weight | <15kg | Power Supply | AC220V ± 10%, 50Hz/60Hz |
Warranty | One Year | Service | OEM Service Is Available |
CPT-III 220V to 500kv Power Current Transformer Testing Equipment
Introduction:
CPT-III Power Current Transformer Testing Equipment is used to measure all kinds of current transformer and voltage transformer.
CPT-III Power Current Transformer Testing Equipment can calculate the ratio errors and phase angle errors of current transformer and voltage transformer at rated burden and working burden in one test.
CPT-III Power Current Transformer Testing Equipment can automatically evaluate the test results according to the selected standard to determine whether the transformer is qualified.
Application:
Tests for current transformer:
- Excitation curve and parameters test
- Turns ratio test
- Ratio and phase error test
- Polarity mark check
- Winding resistance measurement
- Secondary loop burden measurement
- Error line curve test for protection CT
- Transient CT parameters test
- CT nameplate guess
- Saturation hysteresis loop curve measurement
Tests for voltage transformer:
- Turns ratio test
- Ratio error and phase angle error test
- Polarity test
- Secondary burden test
- Winding resistance test
Applications for CTPT analyzer:
- CT nameplate check
- CT parameters check in work burden
- CT transient parameters analysis
- CT ratio and phase error calibration
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PT routine test
Parameters:
1 | Test standards | IEC60044-1, IEC60044-6, GB1208, GB16847, C57.13 |
2 | Power supply | AC220V±10%,50Hz/60Hz±10% |
3 | Power output | 0.1~180V (AC) |
4 | Current output | 0.001~5A(RMS) |
5 | Power output | 300VA |
6 | Max. knee voltage measurement | 45kv |
7 | Current measurement range | 0~10A (automatically change range in 0.1/0.4/2/10A) |
8 | Current measurement error | <±0.1%+0.01%FS |
9 | Voltage measurement range | 0~200 V (automatically change range in 1V/10V/70V/200V) |
10 | Voltage measurement error | < ±0.1%+0.01%FS |
11 | Turns ratio measurement range | 1~35000; 1~2000 error<0.05%; 2000~5000 error>0.1%; 5000~35000 error<0.2% |
12 | Phase measurement | error:±2min,resolution:0.01min |
13 | Coil resistance measurement | Range: 0~8kΩ(automatically change range in 2ohm /20ohm /80ohm/800ohm/8kohm) Error< 0.2%RDG+0.02%FS Maximum resolution: 0.1mΩ |
14 | Temperature measurement | -50~100 Celsius degree, error<3 Celsius degree |
15 | CT Secondary burden | Range 0-160ohm (automatically change range in 2ohm/ 20ohm/80ohm/160ohm) Error <0.2%RDG+0.02%FS Maximum resolution 0.001ohm |
16 | PT Secondary burden | Range 0-80kohm (automatically change range in 800ohm / 8kohm /80kohm) Error <0.2%RDG+0.02%FS Maximum resolution: 0.1ohm |
17 | PT ratio measurement | Range: 1~35000, 1~5000 error<0.2% 5000~35000 error<0.5% |
18 | Saved data groups | >1000groups |
19 | Work condition | Temperature:-10℃-50℃, moist:≤90% |
20 | Size | 485mm×356mm×183mm |
21 | Weight | <15Kg |
CPT-III 220V to 500kv Power Current Transformer Testing Equipment Real Picture:


