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Auto Range Digital Multimeter With Electric Field Detector VA20A/VA20B/VA20C/VA21


This Auto Range Digital Multimeter is ideal for use in the fields, workshop, school, hobby and home applications.
This Auto Range Digital Multimeter has been designed according to IEC61010 concerning electronic measuring instruments with an over voltage category (CAT II, CAT III 600V) and pollution 2

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    Product Features:

    • Max. Display Counts: 1999/3999
    • Data Hold;
    • Diode Test;
    • Continuity Buzzer;
    • Auto Range;
    • Auto Power Off;
    • Fuse 250 mA / 600 V ;10 A / 600 V;
    • Low Battery Indication;
    • Low Battery
    • Back light
    • Relative Measurement
    • MAX/MIN value measurement
    • Battery Test 1.5V / 9V
    • Environment conditions: 600V CAT.III and 1000V CAT.Ⅱ
    • Pollution degree: 2
    • Altitude < 2000 m
    • Operating temperature: 0~40 ℃, (<80% RH, non-condensing)
    • Storage temperature: -10~60 ℃, (<70% RH, battery removed)
    • Temperature Coefficient: 0.1(specified accuracy) / ℃ (<18 ℃ or >28 ℃)
    • MAX. Voltage between terminals and earth ground: 600V DC or AC
    • Fuse Protection: uAmA: F 250mA/250V ∅5×20
    • Sample Rate: 3 times/sec for digital data.
    • Display: 3 1/2 digits LCD display with max. reading 1999,
    • Automatic indication of functions and symbols.
    • Range selection: automatic and manual.
    • Over Range indication: LCD will display “OL”.
    • Low battery indication: The “” is displayed when the battery is under the proper operation range.
    • Polarity indication: “-” displayed automatically.
    • Auto power off: If there is no key or dial operation for 15 minutes, the meter will power itself off to save battery consumption.
      One minute before power off, the beeper will sound 5 sounds. The beeper will sound again before power off.
    • Power source: 4.5V battery
    • Dimensions: 156(L)×82(W)×29(H) mm.
    • Weight: 225g. Approx. (battery included).

    Product Parameters:

    Range VA20A VA20B VA20C VA21
    DC Voltage 200mV/2V/20V/200V/600V ±(0.7%+2) ±(0.7%+2) ±(0.7%+2)
    400mV/4V/40V/400V/600V ±(1.0%+3)
    AC Voltage 200mV/2V/20V/200V/600V ±(1.0%+3) ±(1.0%+3) ±(1.0%+3)
    4V/40V/400V/600V ±(1.2%+3)
    DC Current 200μA/2mA/20mA/200mA/10A ±(2.0%+10) ±(2.0%+10) ±(2.0%+10)
    4000μA/400mA/10A ±(2.0%+8)
    AC Current 200μA/2mA/20mA/200mA/10A ±(3.0%+10) ±(3.0%+10) ±(3.0%+10)
    4000μA/400mA/10A ±(3.0%+8)
    Resistance 200Ω/2KΩ/20KΩ/200KΩ/2MΩ/20MΩ ±(1.0%+5) ±(1.0%+5) ±(1.0%+5)
    400Ω/4KΩ/40KΩ/400KΩ/4MΩ/40MΩ ±(2.0%+5)
    Capacitance 20nF/200nF/2μF/20μF/200μF/1000μF ±(4.0%+10)
    4nF/40nF/400nF/4μF/40μF/200μF ±(5.0%+5)
    Temperature  -20℃~1000℃ ±(1.0%+3℃) ±(1.0%+4℃)
     0℉~1800℉ ±(1.0%+5℉) ±(1.0%+7℉)
    Frequency 10 Hz ~ 200 KHz ±(0.1%+1)

    Application and After-Sales Service:

    With Functions of No contact AC Voltage detector, Voltage measurement, Current measurement, Resistance measurement, Diode and Audible continuity Test, Temperature measurement (Only VA20B/20C), Capacitance measurement (Only VA20C) and Battery Test(Only VA20/20B), this digital multimeter is ideal for use in the fields, workshop, school, hobby and home applications.


    User’s manual. Test leads. “K” type thermocouple.

    General Maintenance:

    Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or solvents. Dirt or moisture in the terminals can affect readings.
    To clean the terminals:
    ∞Turn the meter off and remove all test leads.
    ∞Shake out any dirt that may be in the terminals.
    ∞Soak a new swab with a cleaning and oiling agent (such as WD-40).
    ∞Work the swab around in each terminal. The oiling agent insulates the terminals from moisture-related contamination.

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