DNC three-phase energy meter field calibrator
GY481 Three-phase precision programmable power supp
GY-HG Intelligent Transformer Calibrator
GY9201 AC and DC indicator verification device
GY4501 single-phase energy meter field calibrator
Transformer load box
GYCT standard current transformer
GY series current riser
GYPT standard voltage transformer
GY4500 Secondary Voltage Drop Tester
TechnicaSpecifications |
||
Ratio range |
5A/5A~25000A/5A(5A/1A~5000A/1A)±0.2% |
|
Measurement range |
5A/5A~5000A/5A(5A/1A~5000A/1A) |
|
Accuracy: ± 0.05% |
||
DC resistance: 0.0-0.1Ω ± 3 % |
||
0.1-50Ω ±1% |
||
CT secondary load: 1Ω-25Ω ± 2 % |
||
Operation condition |
AC 220V±10% / 50Hz±2% |
|
Ambient temperature |
0-40℃ |
|
Environment humidity |
25℃时<85% |
|
Total Weight |
≤5kg |
|
Dimension |
33cm×28cm×14cm |
Tolerance |
|
|
|
|
Tolerance |
||
Rated current |
Ratio difference (±%) |
Angle difference (± ′) |
|
5% |
0.1 |
4 |
|
20% |
0.05 |
4 |
|
100% |
0.05 |
2 |
|
120% |
0.05 |
2 |
|
200% |
0.05 |
2 |
|
Stability |
0.05 |
2 |
Product Features:
1. The current transformer error field tester adopts the recursive method to measure thecurrent transformer
error, which is convenient for the on-site verification work of the measurement device
2. On-site verification of current transformers does not require standard current transformers, current risers,
load boxes, voltage control boxes and high-current conductors. It uses extremely simple test wiring and operations
t o achieve the verification of current transformers, greatly reducing work Strength and improve work efficiency,
convenient for on-site verification work of transformer
3. The current transformer error field tester has a standard voltage transformer equivalent to the same transformation
ratio of the current transformer under test. Its accuracy can reach 0.02 level, which is equivalent to 0.05S level current
transformer, which accurately measures the measured Transformation ratio and no-load error of current transformer.
Then combine the test results of impedance and admittance to calculate the error of the transformer
4. Adopt different frequency power supply test close to power frequency to prevent on-site power frequency
electromagnetic radiation and series interference
5. The measuring range is wide, not only can measure the current transformer of standard transformation ratio, but also
can measure the current transformer of non-standard transformation ratio.
6. The accuracy of the transformer calibrator attached to the instrument can be verified with a transformer calibrator inspection device
7. Directly consolidate on-site data to determine whether it is qualified or unqualified
8. Procedure point error (angle difference, ratio difference) of measuring 1% -120% (class S) of measuring standard
transformation ratio current transformer and measuring non-standard transformation ratio current transformer
9. Any point error (angle difference, ratio difference) of measuring 1% -200% (S level) of measuring standard ratio
current transformer and measuring non-standard ratio current transformer
10. One-time measurement and display of the regulation points under the upper limit load and lower limit load of the
current transformer and the error at any point (angle difference, ratio difference)
11. One-time measurement and display of the current regulation point under any arbitrary load and the error of any
point (angle difference, ratio difference)
12. Detect the polarities and transformation ratios of known current transformers and non-known current transformers,
and can judge the actual current ratio of non-known current transformers, and can determine the unknown current
transformers fuzzy Is the secondary current 5A or 1A
13. It has the intelligence to judge the status of the external wiring, prompting the wiring error, transformation ratio,
polarity error, etc. Automatically round test data and determine whether it is out of tolerance
14. 320 * 240 large-screen LCD display, full Chinese interface. Easy wiring and operation, easy to carry
15. Various measurement data can be stored and printed on site to facilitate user query
16. The instrument is conveniently connected to the computer to transfer data through a standard USB interface,
and the background management software performs report processing and prints certificates according to national standards.
17. The case should be made of shock-proof and pressure-proof materials to ensure the safety of on-site operators and equipment safety