Digital Multimeters - How Are They Used? - Electricity Forum When you purchase a digital multimeter, one of the most important things to look at is the meter's impedance, which is the meter's operating resistance.
數位電錶和指針式電表 - 電子工程專輯論壇 數位電表比較方便,但不知道為什麼資深的師父都用指針式的? 指針式電表可以校正, 數位電錶好像就沒有 ...
