NRBZ-IIMulti-functional transformer test bench is designed and produced according to the power transformer and laboratory testing requirements of "preventive test code for electrical equipment". NRBZ-IItransformer test bench with characteristics of full-featured, compact structure, elegant appearance, versatility and ease to use, equipped with three new instruments that can be printed out automatically. Especially suitable for power systems, industrial and mining enterprises, scientific research departments on a variety of electrical equipment preventive testing.
Overview
Product functions
(1) DC resistance test
(2) Turns ratio test
(3) No-load & load Loss test
(4) Power-Frequency Withstand Voltage Test
(2) Turns ratio test
(3) No-load & load Loss test
(4) Power-Frequency Withstand Voltage Test
Characters
● LCD display easy to read and operate.
● Can make transformer DC resistance test (under 2500KVA) turns ratio test no-load and load test loss test AC voltage withstand test inductive withstand voltage test.
● Automatically print the test result of loss ratio and DC resistance.
● With current sound and light alarm time for voltage withstand test.
● Can make transformer DC resistance test (under 2500KVA) turns ratio test no-load and load test loss test AC voltage withstand test inductive withstand voltage test.
● Automatically print the test result of loss ratio and DC resistance.
● With current sound and light alarm time for voltage withstand test.
Models
| Function | Parameters | |
| (1) DC resistance test | Measuring range | 1μΩ ~ 20KΩ |
| Measuring current |
0.02Ω 0.2Ω: 10A 2Ω: 1A 20Ω: 100mA 200Ω: 10mA 2KΩ: 1mA 20KΩ :0.1mA |
|
| Measuring accuracy | 0.2% (full scale) | |
| Display | 128 * 64 dot matrix display | |
| Maximum resolution | 1μΩ | |
| Power consumption | 200W | |
| (2) Turns ratio test | Ratio measuring range | 1 ~ 10000 |
| Groups | 1 ~ 12 points | |
| Accuracy |
Measuring ratio: 1 ~ 1000 0.21 % Measuring ratio: 1000 ~ 10000 0.5% |
|
| (3) No-load & load Loss test | Voltage | 500V ± (0.1% reading +0.1% of range) |
| Current | 5A ± (0.1% reading +0.1% of range) | |
| Power | U * I ± (0.1% reading +0.1% of range) | |
| Power factor | 0.1 ~ 0.9999 ± 3 words | |
| Power consumption | less than 15VA | |
| (4) Power-Frequency Withstand Voltage Test | Input voltage: | 380V two-phase |
| Output voltage: | 0 ~ 430V | |
| Meter Accuracy: | ± 0.5% | |
| Operating environment | Power supply | AC220V ± 10% 50HZ ± 2HZ |
| Temperature | 0 ~ 40℃ | |
| Rated humidity | 30% ~ 90% | |
