Product Description
LNGZ-H Comprehensive Tester High Accuracy DC Variable Frequency Transformer Polarity Ratio for Test Characteristic
LNGZ-H Comprehensive Tester High Accuracy DC Variable Frequency Transformer Polarity Ratio for Test Characteristic
LNGZ-H transformer comprehensive tester:1. Fully automatic control of CT measurement process, automatic recording of data, automatic depiction of volt ampere curve ① Automatic setting of protection current and voltage, automatic adjustment of step ② Using a variable frequency power supply for testing, with a wide voltage range (4000V); ③ Automatically provide reference inflection points (voltage, current) 2. Automatic plotting of 10% and 5% error curves; 3. Detect the transformation ratio of known current transformers and measure the transformation ratio of non known current transformers; 4. Measure the ratio difference and angle difference of 100% of the protective winding of the protection level current transformer; 5. The PT measurement process is fully automatic control, automatically recording data, and automatically plotting the volt ampere curve; 6. Detect the transformation ratio of known voltage transformers and measure the transformation ratio of non known voltage transformers; 7. Measure the load parameters of the secondary circuit of current and voltage transformers; 8. 320 * 240 large screen LCD display with full Chinese interface. Easy wiring and operation; 9. It can store and print various measurement data, making it convenient for users to query.LND-CPT transformer comprehensive tester: 1. Support the detection of CT and PT; 2. Meet the requirements of regulations such as GB 20840.3-2013 and GB 20840.2-2014 3. Without the need for external auxiliary equipment, a single machine can complete all testing projects; 4. Equipped with a micro fast printer, it can directly print test results on-site 5. Adopting intelligent controller, easy to operate; 6. Large screen LCD with graphical display interface; 7. Automatically provide CT/PT (excitation) inflection point values according to regulations 8. Automatically provide 5% and 10% error curves; 9. Can save 3000 sets of test data without loss after power failure; 10. Support USB flash drive data transfer, which can be read from a standard PC and generate a WORD report 11. Small and lightweight, ≤ 18kg, very convenient for on-site testing
| Variable Frequency Power Supply | Frequency: 0.4-50HZ |
| Voltage: 0-80V | |
| Power: 500W | |
| Volt-Ampere Characteristic | Output Voltage: 0-80V |
| Output current: 2A (1A current transformer)
4A (5A current transformer) 2A (voltage transformer) | |
| Measurement accuracy:<0.5% | |
| Transformation Ratio Range | CT:5A/5A-25000A/5A (5A/1A~5000A/1A) ±0.2% |
| PT: Full range measurement (electromagnetic type) ±0.2% | |
| DC Resistance | 0.0-0.1Ω ±3% |
| 0.1-50Ω ±1% | |
| CT Secondary Load | 0.1 Ω -25 Ω ±2% |
| PT Secondary Load | 10VA-400VA ±2% |
| Protection Level Error | Ratio difference: ±0.1% |
| Angle difference: ±5 ' | |
| Working Power Supply | AC 220V 10%/50Hz 2% |
| Ambient Temperature | 0-40 ° C |
| Environmental Humidity | <85% at 25 ° C |
| Working Power Supply | AC220V ± 10%, 50HZ |
| Device Output 0~1000v (20A Peak) | Note: 0~5A represents the true value, and values greater than 5A~20A represent the calculated value |
| High Current Output | 0~600A |
| Excitation Measurement Accuracy | ≤ 0.5% (0.2% reading+0.3% range) |
| CT Ratio Measurement | Range: ≤ 3000A/1A (15000A/5A) |
| Accuracy: ≤ 0.5% | |
| Transformation Ratio Range | Range: ≤ 500kV |
| Accuracy ≤ 0.5% | |
| Work Environment | Temperature: -10 ° C~40 ° C |
| Humidity: ≤ 90% | |
| Altitude: ≤ 1000m | |
| Size | 465 * 300 * 240mm |
| Weight | ≤ 22kg |
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Condition
Brand New
Shipping
This item is shipped directly from our supplier in China with tracking.