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DT-830B digital multimeter

Multimeters

The multimeter is the most important electronic test instrument. Even if you have only a passing interest to electronics you should consider buying a cheap one because it has many uses in the home, on the job and when working with appliances or motor vehicles. But if you're serious about electronics, consider buying a quality, high-impedance, high accuracy multimeter. Ideally you should own both a digital and analog multimeter.

Analog multimeters are less expensive, somewhat less precise than digital types. They are best by far for observing the trend of a slowly changing voltage, resistance or current.

Digital multimeters are generally more accurate and easier to read than their analog counterparts. They are best for finding out the precise value of a voltage, current or resistance. A DMM may be a little more robust if you accidentally put it on an incorrect scale. They also may have more functions like capacitance meter, temperature sensor or frequency meter.

Accuracy is not critical for hobby electronics or consumer appliance repair but reliability is important. A pair of good quality, robust and well insulated set of test leads is essential. Cheap multimeters may come with too thin or flimsy leads; replace them with quality ones to avoid electrocution. If you want to be around long enough to enjoy experimenting with electronics, always treat electricity with the respect it deserves!

The following table lists the DC and AC voltage, current, resistance and frequency ranges you can measure with the most popular digital multimeters on the market:

ModelCountsDC VAC VDC AAC AResist.Capac.Freq.
M830B DT830B20000.1mV - 1000V0.1V - 750V0.1µA - 10A-0.1Ω - 2MΩ--
M83220000.1mV - 1000V0.1V - 700V1µA - 10A-0.1Ω - 2MΩ--
M83820000.1mV - 1000V0.1V - 700V1µA - 10A-0.1Ω - 2MΩ--
M890D20000.1mV - 1000V0.1mV - 700V1µA - 20A10µA - 20A0.1Ω - 200MΩ1pF - 20µF-
M890F20000.1mV - 1000V0.1mV - 700V1µA - 20A10µA - 20A0.1Ω - 200MΩ1pF - 20µF20kHz
M890C+20000.1mV - 1000V0.1mV - 700V1µA - 20A10µA - 20A0.1Ω - 200MΩ1pF - 20µF-
M890G DT-830G20000.1mV - 1000V0.1mV - 700V1µA - 20A10µA - 20A0.1Ω - 20MΩ1pF - 20µF20kHz
M950220000.1mV - 1000V0.1mV - 700V0.1µA - 20A0.1µA - 20A0.1Ω - 200MΩ1pF - 20µF-
M9320001mV - 400V0.1V - 400V0.1mA - 200mA-1Ω - 2MΩ--
M93A20001mV - 400V0.1V - 400V--1Ω - 2MΩ--
Innova
3320
20000.1mV - 600V1mV - 600V10µA - 10A10µA - 100mA0.1Ω - 20MΩ--
M30020001mV - 500V0.1V - 500V0.1mA - 200mA-1Ω - 2MΩ--
M32040001mV - 600V1mV - 600V10µA - 400mA10µA - 400mA0.1Ω - 40MΩ--
M3211D 2000 0.1mV - 500V 1mV - 500V 0.1mA - 200mA 0.1mA - 200mA 0.1Ω - 20MΩ - -
M390020000.1mV - 1000V0.1mV - 700V10µA - 20A10µA - 20A0.1Ω - 20MΩ--
Fluke
87-5
200000.1mV - 1000V0.1mV - 1000V0.1µA - 10A0.1µA - 10A0.1Ω - 50MΩ10pF - 10mF200kHz
Fluke
114
60000.1mV - 600V0.1mV - 600V--0.1Ω - 40MΩ--
Fluke
115
60000.1mV - 600V0.1mV - 600V1mA - 10A1mA - 10A0.1Ω - 40MΩ1nF - 10mF50kHz
Fluke
117
60000.1mV - 600V0.1mV - 600V1mA - 10A1mA - 10A0.1Ω - 40MΩ1nF - 10mF50kHz
Fluke
175
60000.1mV - 1000V0.1mV - 1000V10µA - 10A10µA - 10A0.1Ω - 50MΩ1nF - 10mF100kHz
Fluke
177
60000.1mV - 1000V0.1mV - 1000V10µA - 10A10µA - 10A0.1Ω - 50MΩ1nF - 10mF100kHz
Fluke
179
60000.1mV - 1000V0.1mV - 1000V10µA - 10A10µA - 10A0.1Ω - 50MΩ1nF - 10mF100kHz
Fluke
787
300000.1mV - 1000V0.1mV - 1000V1µA - 1A1mA - 1A0.1Ω - 40MΩ-20kHz
MY-6120000.1mV - 1000V0.1mV - 700V1mA - 20A1mA - 20A0.1Ω - 200MΩ1pF - 20µF-
MY-6220000.1mV - 1000V0.1mV - 700V1mA - 20A1mA - 20A0.1Ω - 200MΩ1pF - 20µF-
MY-6320000.1mV - 1000V0.1mV - 700V1mA - 20A1mA - 20A0.1Ω - 200MΩ1pF - 20µF20kHz
MY-6420000.1mV - 1000V0.1mV - 700V1mA - 20A1mA - 20A0.1Ω - 200MΩ1pF - 20µF20kHz
MY-65200000.01mV - 1000V0.1mV - 700V0.1mA - 10A0.1mA - 10A0,01Ω - 200MΩ0.1pF - 20µF20kHz
MY-6832600.1mV - 1000V1mV - 700V0.1mA - 10A0.1mA - 10A0.1Ω - 32.6MΩ100pF - 32.6µF200kHz