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GY4501 single-phase energy meter field calibrator
Transformer load box
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GYPT standard voltage transformer
GY4500 Secondary Voltage Drop Tester
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Environmental conditions |
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Temperature |
－10℃～40℃ |
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Relative humidity |
<85%(25℃) |
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Altitude |
<2500m |
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Outside interference |
No strong vibration, no strong electromagnetic field |
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The technical specs during the secondary voltage drop test |
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Measuring range |
Ratio Difference |
0.001%～19.99% |
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Angular difference |
0.01'～300' |
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Resolution |
Ratio Difference |
0.00001 |
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Angular difference |
0.01' |
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Instrument tolerance |
△X=±(1%×X+1%×Y±2 digit) |
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△Y=±(1%×X+1%×Y±2 digit) |
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2 digit-instrument quantization error |
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Voltage meter accuracy |
1.00% |
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Operation range |
Voltage |
(46～120)V |
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The instrument indicates the action value (prompt error) |
error |
Ratio difference greater than 20% or angular difference greater than 600 ' |
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Voltage |
voltage＜2.0V |
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The technical specs during the PT secondary load test |
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PT secondary load test |
Admittance measurement range |
0.001ms～50.0ms |
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Admittance measurement accuracy |
secondary voltage(50V～120V) |
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△X=±(1%×X+1%×Y±2 digit) |
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△Y=±(1%×X+1%×Y±2 digit) |
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2 digit-instrument quantization error |
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Note: When the measured value is less than 0.2mS, the test voltage should be kept above 50V, and at the same time, keep the center lead of the clamp meter through. At this time, the instrument quantization error is 5 digit |
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Voltmeter head |
0.005 |
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The technical specs during CT secondary load test |
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Impedance measurement range |
0.1Ω～75.0Ω |
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Impedance measurement accuracy |
△X=±(1%×X+1%×Y±2个字) |
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△Y=±(1%×X+1%×Y±2个字) |
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2 digit-instrument quantization error |
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Ammeter head: 1% |
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Product Features:
1. This secondary loop load tester can realize three-phase three-wire, three-phase four-wire, single-phase automatic measurement.
2. Use engineering plastic chassis to meet the durability and effectively protect the safety of testers and systems.
3. The secondary loop load tester has an automatic range switching function to ensure the test accuracy.
4. The use of electronic principle circuit combined with DSP technology is to make the test stable and resistant to interference.
5. After the measurement is completed, the parameters related to the load are automatically calculated, which is convenient for customer analysis and testing.
6. A large-screen Chinese character LCD display is used, and all operations are prompted by the Chinese character menu; the data has power-off storage and browsing functions, and can be used to transfer data online with the computer.
7. The large-capacity 7.2V11Ah lithium battery is used for power supply, which does not have any impact on the test circuit and avoid system protection. At the same time, it is used when there is no power supply on site.
8. The secondary load test uses a clamp ammeter to sample the current without disconnecting the secondary circuit. Can achieve online measurement without power failure. Automatic switching range: During the measurement process, it can be switched to different positions according to the different values of the test object, so that the measurement accuracy and the number of displayed digits are guaranteed.
9. The working time can be up to 24 hours (the longest).
10. A light-weight charger is attached for easy measurement, and can be measured with an external charger when the battery power is insufficient.
11. The secondary loop load tester is small in size and light in weight.
12. Very wide secondary working current / voltage range. Under the working current of 50mA, it can distinguish the resistance and reactance of 1mΩ, and can test the online actual load of the S-class current transformer with a secondary rated current of 5A; under the working voltage of 5V, it can distinguish the conductivity and susceptance of 0.001mS .
13. The secondary pressure drop and load measuring instrument can store 480 sets of measurement data, which can be maintained for ten years after power failure.
Email：contact@guoyi.com.sg
Address：2 KALLANG AVENUE 08-30 CT HUB SINGAPORE 339407Hotline：0065-93262640
