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Specifications:
Resistor: 0.1u03c9-50Mu03c9Capacitor: 25pF-100000uFInductance: 0.01mH - 20HWorking power: DC-9VStandby current: 0.02uAOperating current: 25mAMaterial: Metal+PlasticSize: about 11.1cm/4.37"x2.6cm / 1.02"x8.5cm/3.34"[Conversion: 1cm=0.3937 inch, 1inch=2.54 cm] Description: 1. Add boot voltage detection function2. Automatic detection of NPN and PNP transistors, N -channel and P-channel MOSFET, diodes (including dual diode), thyristors, transistors, resistors and capacitors and other components3. Automatic test out the pin element and displayed on the LCD4. Can be detected to determine the transistor emitter forward bias voltage of the transistor, MOSFET protection diode and the amplification factor of the base5. Measure the gate threshold voltage and gate capacitance of the MOSFET6. 1602 lcd display uses LCD (12864 LCD with backlight)7. High test speed, valid component test: 2 seconds (except in the larger capacitor of large capacitance measurement also takes a long time, the measured time of one minute is normal)8. One button operation, power-on test, get a key9. Power consumption off mode: less than 20 nA of10. Auto power off function to avoid unnecessary waste, saving battery power, improved battery life Note: Battery is not included. Package included: 1 x LCR-T4 Transistor Tester
The firmware in this tester is called Mtester version 2.68. But it's a very old one and unknown by the developer, the latest version atm is the fork from Karl-Heinz Kübbeler:
TransistorTester 1.13k.
I updated the tester with the recommend firmware but there was a problem, because this one use a 16Mhz crystal.
Ok, no problem, WinAVR is my friend and i made compiled my own 16Mhz version, sourcecode is available in the www,
And now it's a great device, next i replace R1-R6 with 0,1% resistors. ;-)
Um poderoso aparelho que testa e mede muitos componentes e ainda identifica semicondutores, e mede valores de ESR muito importante para técnicos e estudantes de eletrónica. Chegou muito rápido e sem qualquer problema no transporte. Aproveitei e testei alguns componentes que tinha em cima da bancada. Veja as fotos. Um grande aparelho por um custo (preço) tão pequeno. E ainda traz uma caixa de acrílico transparente para o gabinete que aloja também a pilha Os meus parabéns á Marca GeeKcreit tem vento muitos módulos e kits muito bons. E como sempre recomendo.
Roymall C.o.
Kado gratis
Règleman livrezon
Règleman retou
Coupon Code
Direct purchase from the factory 
Electronic Components & Supplies
Module Board
Test & Measuring Module
