Professional Handheld Rechargeable 100KHZ-5.3GHZ 4inch LED Integrated Circuit Tester Transistor Diode Triode Tester Digi

Description This device can be used to test chip 74HC 74LS CD40 45 145 driver operational amplifier comparator optocoupler diode zener diode light emitting diode triode field tube thyristor and other types of chips Built in data model all kinds of chips more than 1 300 species more than 420 kinds of transistor data models covering most common devices within 24 feet and can greatly reduce the maintenance workload improve maintenance efficiency This device is developed with 800mHa built in lithium battery and the low power consumption is even lower than a digital multimeter Press the enter key can boot first boot automatically perform a self test self test the battery voltage is detected and displayed on the screen after the passage of more than two seconds when the battery voltage is below 7v replace the battery in order to ensure measurement accuracy If there is no alarm you can start measuring work Native AD 10 AD the theoretical resolution of 5v voltage is 0 0048v Not suitable for measuring high power thyristor due to the use of battery powered Zener value should be subject to the measured can not only look at the nominal value Boot the default directory is search directory An ordinary optocoupler optocoupler test up to a dozen parameters a simple measurement optocoupler relationship has not much practical significance the machine can test the secondary optocoupler saturation voltage for reference Test the normal 4 feet optocoupler Can t