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Turn Number/Turn Ratio Tester |
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1. Outline |
| HBC-2 turn number/turn ratio tester is a practical product. Made to be put to use high standard of workmanship. Can accurately measure turns of toroidal coil and other type embedded core. And measure turn ratio of all type transformer. It is high precision, fine repeatability, fast read-out speed and ease of operation. Suitable for design peoving and quality control of magnetic product. |
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| 2. Technical specification |
| 2.1 Turns measure |
| 2.1.1 Measure scope and precision |
Measure scope
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External adjustment precision |
Internal adjustment basic precision |
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±0.1% |
±(0.15%+1d) |
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±0.1% |
±(0.15%+2d) |
| (Note: Turns≥3998, using extension of measurement ) |
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2.1.2 Minimum turns can be tested
Tmin≥1+0.4/Al （Al:uH/T2） using 50kHz |
2.1.3 Minimum inside diameter of toroidal coil
Using survey probe of measurement: 3.5mm
Using shuttle wire of measurement: 0.5mm（can more little） |
| 2.1.4 Internal adjustment toroidal coil's turns and accuracy: 800(±0)turns |
2.1.5 Linear inspection coil's turns and accuracy
2.5kHz coil: 0-1（±0）-10（±0）-100（±0）-1000（±0） four taps
50kHz coil: 0-1（±0）-2（±0）-10（±0）-100（±0） four taps |
| 2.1.6 Testing frequency: 2.5kHz - 12.5kHz - 50kHz three gears/sine wave |
| 2.1.7 Testing voltage: ≤2Vrms auto ratio adjustment with turns |
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| 2.2 Turn ratio measure |
| 2.2.1 Measuring limit: 1～20：1和1：1～200：1 two gears(ratio≥1) |
| 2.2.2 Basic precision: ±（0.2％+1d） |
| 2.2.3 Testing frequency: 2.5kHz - 12.5kHz - 50kHz three gears/sine wave |
2.2.4 Testing voltage: 2000mV - 400mV - 100mV three gears/rms |
| 2.2.5 Internal adjustment transformer turn ratio and accuracy: 8：1（±0） |
2.2.6 Linear inspection transformer （N1：N2）
Turn ratio and accuracy: 1：1（±0） - 4：1（±0） - 16：1（±0） - 80：1（±0） four taps |
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| 2.3 Power |
Voltage: （198～253）Vac and （90～127）Vac two choice
Frequency: 50/60Hz
Consumption: ≤8VA
(Note: Please choose the suitable switch direction based on your country's power supply) |
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| 2.4 Working environmental conditions |
Recommend: temperature（23±5）℃ relative humidity≤65％
Permit: temperature（5～35）℃ relative humidity≤80％ |
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| 2.5 Maximum weight capacity on the testing platform: 6kg |
| 2.6 Dimension: W340×H296×D95（mm） |
| 2.7 Net weight: 3.1kg |
