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Note â‘ : Iceo, lces, and Uf are only displayed when they are valid.
Note â‘¡: Junction capacitance and reverse leakage current are only displayed when they are valid.
Note â‘¢: Only displayed when there is a protective diode present
Note â‘£: ESR and Vloss are only displayed when they are valid.
Note ⑤ When a single resistor and the resistance value is less than 2.1k, test the inductance.

Transistor tester:
Automatic detection of NPN and PNP bipolartransistors.N-channel and P-chmnnel
MOSFETs,JFETs diodes(including double Diodes)
N.and P-IGBTS, resisiors, Inductors, capacitors, thyristors,triacand battery (0 .1-4.50V)
Automatie detection of zener diode (0.01-20v)Self test with automatic calibration
IR decoder:
Support Hitachi lR coding
-lR waveform display
Other:
Measurement results using TFT graphic display(160x128)Auto Power Off(Timeout Settable)
Built-in rechargeable Li-ion Battery
Li-ion Battery voltage detection - 160x128 TFT display
Warning: Built-in Li-ion Battery, it is strictly prohibited the testerimmersed in water, or near a heat source!
Warning: For your personal safety, please strictly comply withthe use of Li-ion Battery specifications and precautions!
Power on:
In the power off state, short press themultifunction key, the tester is turnedon and automatically measured.

Power on & measurement interface
Detect transistor:
ln the power off state or the test is completed, put the test element into the transistor test area oftest seat, and press the locking handle, short press the multifunction key, the tester automaticallymeasure, graphical display of measurement results when testing is complete.
Warning: Always be sure to DISCHARGE capacitors before connectingthem to the tester! The tester may be damaged before you have switched it on!
Warning: Always be sure to DISCHARGE capacitors before connectingthem to the tester! The tester may be damaged before you have switched it on!
Warning: We do not recommend using the tester to measure thebattery! The battery voltage must be less than 4.5V, otherwise the testermay be damaged!


Detect Zener Diode:
When the device is turned off or the test is completed, put the Zener diode into the Zener diodetest area, press the locking handle, and briefly press the multi-function button.
Note: Do not put components in theTransistor test area, otherwise theZener diode cannot be tested!

Note: Do not put components in theTransistor test area, otherwise theZener diode cannot be tested!
lR decoder:
After the component test is completed, point the infrared remote control at the "IR" test hole of the tester. press the remote control button, the tester will display the user code and data code after successful decoding, and display the corresponding infrared waveform.
lf the decoding fails or the decoding fails, the user code and data code cannot be displayed.Atthis time, if you are in the tester interface, you cannot enter the infrared decoding interface. If youare in the infrared decoding interface, the last successful decoding information will still be displayed.

Note:This decoder only supportsinfrared encoding in Hitachi format.Other formats of infrared encodingare not supported
Automatic calibration:
Short-circuit three test sockets, short press the multi-function button, and the tester willautomatically calibrate.
During the calibration process, there is no need to perform other operations except to disconnectthe short wire according to the prompts.

Shutdown:
Automatic shutdown after timeout
When the component test is completed or the infrared decoding is completed, and the automaticshutdown time is reached, the tester will automatically shut down (overtime 30 seconds) Standby power consumption is 0 UA after shutdown.
Battery voltage measurem:
Before each component measurement, the built-in lithium battery voltage will be detected anddisplayed. When the battery voltage is less than 3.1V, it will be forced to shut down. Pleasecharge it at this time.

Battery charging circuit:
The charging interface is a standard Micro USB interface, please use an external 5V powersupply or USB power supply for charging.
Note: When the charging indicatoris red, it means charging, and greenmeans charging is complete.
FAQ:
The charging interface is a standard Micro USB interface, please use an external 5V powersupply or USB power supply for charging.
Question:can not power on
Cause:Lithium battery is low
Solution:Please charge until the light turns green
lnaccurate:Please re-calibrate
measurements:Please re-calibrate
Known errors and unsolved problems:
1.The current amplication factor of germanium transistors can be measured too high becauseof the high residual current. In this case the basis emitter voltage will be very low.
2.Capacity value in reverse direction for Power Schottk Diodes such as MBR3045PT can not be measured, if only one diode is connected.The reason is a too big residual current of thisdiode. Sometimes the measurement is possible by cooling down the device (with cooling sprayfor example).
3.The diode function of a triac gate can not be examined.
4.The Source and Drain pins can not be detected correctly with JFET's. The reason is thesymmetrical structure of this semiconductors. You can notice this problem with the elect,that the display shows the same layout with the same pal rameters, if the Source and Drain pinsare swapped.
5. The output current of the tester is 6MA/voltage <5V.High-power IGBTs, thyristors, andDarlington tubes that require higher current/higher voltage drive may not be measured. Air corecoils and power inductors cannot directly measure inductance. It is recommended to try seriesconnection. Appropriate color ring inductance test, capacitors below 20PF, it is recommended totest a 20PF capacitor







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