Product Details

QK1820 (20A) DC Resistance Tester
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Features:
This instrument features simple operation, high precision, anti-interference capability, and portability.
1. Adopts new power supply technology with high output voltage and constant output current.
2. Features automatic 20℃ DC resistance conversion and printing function, effectively saving time.
3. New anti-power-frequency-interference design ensures accurate measurement even in strong power frequency interference environments.
4. Fast measurement speed with stable and reliable results.
5. High testing accuracy with excellent repeatability.
6. Simple operation and portable design, suitable for field work.

The QK1820 (20A) DC Resistance Tester is a transformer DC resistance rapid testing device designed and manufactured by our company in accordance with the DL/845.3-2004 standard. The instrument uses DSP as its processing core, featuring powerful functionality including automatic calibration, current stabilization judgment, data processing, and resistance value display. It can measure the DC resistance of various types of transformers.

Precautions:
1. The transformer DC resistance tester is a power testing instrument developed and manufactured by our company. There are no user-serviceable parts inside.
2. Please read the user manual before using the instrument.
3. When the instrument is in working state, do not turn off the power switch before resetting.
4. Select the appropriate measurement current range based on the measured resistance value to ensure measurement accuracy.
5. After measurement is complete, wait for the instrument's discharge completion audio prompt before removing the measurement connections.
6. To ensure LCD service life, avoid prolonged exposure of the instrument to direct sunlight.


Note: The above information and technical parameters are provided by Yangzhou Darui Electric Co., Ltd.