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Specification:
Item type: MK-328 transistor tester1. Key for automatic shutdown
2. Battery is possible because the switch-off current is only about 20 mA
is 3. Automatic detection of NPN and PNP bipolar transistors, N and P channel MOSFETs, JFETs, diodes, double diodes, unidirectional thyristors and bidirectional thyristors.
4. Automatically recognize the pin layout of the recognized parts.
5. Measure the current gain factor of the bipolar transistor and the voltage of the base emitter threshold
6. Darlington transistor can be identified by the threshold voltage of the high current gain factor.
7. Measure the gate threshold voltage and gate capacitance for the MOSFET.
8. Measure and display up to four decimal places in the correct dimension. All symbols are surrounded by the probe number of the Tester.So potentiometer. When the potentiometer is set to one of its ends, the tester cannot tell the middle pin from the end pin.
9. The measurement with a resolution of 0.1 ° and can measure up to 50 M?
10. Can detect and measure a capacitor. Numbers with up to four decimal places are displayed in the correct dimension. The value can be between 30 pF and 100 mF. The resolution can be 1 pF.
11. For people with a capacitance value of more than 2 ?F. The serial resistor () has a resolution of 0.01 ? and shows two significant decimal places.
12. Up to two diodes are displayed in the correct order and with the correct diode symbol. The forward voltage is also displayed.
13. The LED is recognized as a diode; The forward voltage is much higher than the normal voltage. Two-to-one LEDs are also recognized as two diodes.
14. When the blocking error voltage is low
Stephen
2025-06-14 12:03:44
I’ve used a few of these transistor tester units and this is definitely the nicest I've tried. It feels sturdy, has a good screen, and works very well. I’ve tested it with a number of known-working transistors, capacitors, and resistors, and they were all identified correctly. Very handy to have in your toolbox for quickly identifying components.My first unit had a manufacturing defect, but the seller immediately replaced it. Great service!
Stephen
2025-04-25 16:56:29
I’ve used a few of these transistor tester units and this is definitely the nicest I've tried. It feels sturdy, has a good screen, and works very well. I’ve tested it with a number of known-working transistors, capacitors, and resistors, and they were all identified correctly. Very handy to have in your toolbox for quickly identifying components.My first unit had a manufacturing defect, but the seller immediately replaced it. Great service!
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