Digital multi -meter is an electronic instrument used in electrical measurement.It can have many special features, but the main function is to measure voltage, resistance and current.
Digital multi -meter price
Erierz Anti -Burning Backlight Universal Digital Digital Digital Universal Witches Universal Witches Multi -purpose Merit Meteor Telemers 24 yuan Victory Universal Witches VC890D Digital Multi -purpose Multi -purpose Mester Capacity 2000UF Diren Dragon Rhyme Number Reversing Burned Burned Universal Witches Full Protection Full ProtectionThe number of digital universal meters is more than 39 yuan with a meter meter. The price of more than 39 yuan is from the Internet, which is for reference only. The specific price is subject to when purchasing.
How to use the number multiple meters
1. Measure the resistance, first insert the red table pen into the VΩ holes of the number of numbers, insert the black pen into the COM hole, and then adjust the knob on the number of the number to the proper position of the "ω" stall.Use the red and black table to receive the metal part at both ends of the resistance, and read the data on the display.2. The voltage measurement is divided into two cases, one is AC voltage, and the other is DC voltage.In our family electricity consumption, it is generally AC voltage, so lets introduce the measurement method of AC voltage first.In the case of AC voltage, we first insert the red table pen into the "VΩ" holes, insert the COM hole with black table pens, and adjust the knobs on the mathematical multi-meter instrument to "V-" or "v ~", read the display screen, read out the display screen, and read out the display screen.The data on the above; if the DC voltage is the same as the AC voltage, when the knob is adjusted, the knob should be adjusted to the range of the estimated value, and the DC gear selects "V-"EssenceIf the measurement steps are completed, but the data displayed on the display is "1", so that the amount of a long time is too small, and the amount needs to be increased.
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