WDY-II uses a 7-inch true color screen with a 4-bit and a half display, which provides intuitive reading, high measurement accuracy, good stability and convenient automatic range operation. The instrument uses high-precision digital voltmeter, wide range and high stability dc constant current source, microprocessor system and other parts, multi-functional conductor fixture by special conductive alloy precision processing, good contact, good conductivity, with high positioning accuracy characteristics.
1) Function: detect the DC resistance of the enameled round wire with a cross-sectional area of over 3.0mm and the flat wire with a cross-sectional area of over 7mm2.
2) Measuring range :0.01μ ω -200 ω;
3) Measuring current :0.707mA- 14.1a;
4) Rate current measurement :0.707I: 1.00I: 1.41I;
5) Bidirectional current measurement: with current reversing device, positive and reverse current measurement can be carried out;
6) Display :4 1/2 digital display, measurement results display, range display, unit display,
7) measurement function display, measurement status display, temperature display, material temperature coefficient display, with backlight;
8) Accuracy level: level 0.04, Level 0.05, level 0.1.
9) Automatic temperature compensation, automatically converted to 20℃ standard resistance value.
