Entries from 2019-02-14 to 1 day
First, fault judgment method Before repairing, a new battery is put into the meter. The multimeter is placed in the Rx × 1n R × 10 R × 100 or R × 1k block, and the two tables are briefly connected to see if the needle has any indication. I…
Smart phone is a modern mobile communication device with independent operating system, which can access wireless network through mobile communication network or other means, and can install a variety of applications provided by third parti…
Smart phone is a modern mobile communication device with independent operating system, which can access wireless network through mobile communication network or other means, and can install a variety of applications provided by third parti…
When multimeter is used to measure circuit parameters such as resistor, voltage, current and so on, the error will be caused not only by the low accuracy grade of multimeter, but also by the measurement method, operating environment and ot…