Digital IC Tester

Catalogue

Function

Search

Auto mode

Device search , the unknown model chip inserted in ic seat can automatically identify the part number
( Automatic identification without input) ( other directories are auto- mode )

5.0v mode

3.3v mode

74HC

74HC series of logic device test (of the same, and 74LS series base drive level (different) need to manually enter the model)

74LS

74LS series of logic device test (of the same, and 74HC series base drive level (different) need to manually enter the model)

CD40

CD4000 series of logic device test (different, and HEF40 series base drive level (the same) need to manually enter the model)

HEF40

HEF4000 series of logic device test (different, and CD40 series base drive level (the same) need to manually enter the model)

45/145

45 series 145 series logic device test (the need to manually enter the model)

OTHER

Interface drive device testing, such as: MAX232, MAX485, 75175, 75176, 75c11.. (the need to manually select the model)

AMP

Operational amplifier, comparator class testing, such as: LM324, LM358, LM339, LM393, LM2902…(the need to manually enter the model).

TR

Transistor identification , and automatically determine the transistor
types and pin order . Identifiable NPN , PNP, transistors , N- MOS , P -MOS way thyristor , triac , common anode common cathode rectifier
automatic identification without input )

ZD

Zener regulator value test , test regulator regulator 0v-50v range accuracy 0.01v automatic identification without the need to enter

LIGHT

Optocoupler secondary the saturation voltage test , can test the the ordinary 4 feet optocoupler secondary
saturation voltage automatic identification without input )

OFF

Shutdown

prompt

explanation

OK

Tests are normal

Batter

Battery voltage

Not found

Can’t find

Fault

The chip damaged or type mismatch

Open

Open circuit

Not supported

nonsupport

NPN

Triode

PNP

Triode

N-MOS

FET

P-MOS

FET

1-SCR

Way SCR

2-SCR

Triac

2D

Common cathode and common anode rectifier

A、k、b、c、e、g、

Specific pin

Out of range

Zener voltage beyond the scope

ERR1、2

Self-test failure