DY294 Digital Transistor Tester Transistor Semiconductor Parameter Tester Meter
DY294, the Digital Transistor DC Parameter Tester, is mainly used for testing the DC parameters of manifold semiconductors such as diode, transistor, controlled silicon and field effect transistor. DY294 also can be used to test the withstand voltage of capacitor, protection voltage of varistor and isolation of electrical. Meanwhile DY294 can test 78 and 79 series three-terminal voltage regulator.
DY294 tester has adopted the large scale integrated circuit for analogue/digital conversion. With high sensitivity and accuracy, DY294 adopts liquid crystal display which can be read directly. With compact structure and convenient operation, DY294 is portable and especially suitable for inspection and screening of devices and components in electronic factories as well as application of DY294 technicians engaged in electronic work, lab staff, maintainers and radio fans.
Specifications:
Function Range Display Scope Resolution Operation Condition
V(BR) 1000V 0-1999V 1V breakdown current < 1mA
200V 0-199.9V 0.1V breakdown current < 1mA
VCC(Set) 2A(Ic) 0-6.00V 0.01V Ic≈2000mA Ib≈200mA
800mA(Ic) 0-6.00V 0.01V Ic≈800mA Ib≈80mA
100mA(Ic) 0-6.00V 0.01V Ic≈100mA Ib≈1mA
10mA(Ic) 0-6.00V 0.01V Ic≈10mA Ib≈1mA
hFE 10mA(Ib) 0-199.9 0.1 Ib≈10mA
1mA(Ib) 0-1999 1 Ib≈1mA
1µA(Ib) 0-1999 1 Ib≈0.01mA
ICEO 2000µA 0-1999µA 1µA Vce ≈ 27V
78,79 three-pole constant voltage value 78xx/79xx 0-24.0V 0.1V Ui ≈ 27V
Applications:
Measuring forward voltage, reverse voltage, forward saturation voltage drop,amplification factor, reverse leakage current of various crystal diode, audion, silicon controlled rectifier(SCR), field effect transistor(FET).
Measuring rated working voltage of chemical capacitor,terylene capacitor, DY294 Ta capacitor,Leaded multilayer ceramic capacitor,high voltage lacker.
Measuring protection voltage of varistor.
DY294 Measuring starting voltage of neon bulb, neon lamp.
Measuring constant voltage value of 78,79 series three-pole circuit.
