DM8145 4 7/8 Bench top Multimeter 1000V 20A 80000 Counts Digital Multimeter tester Auto Range Multimetro Digital Voltmeter Ohm

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About this item


  • The Professional Bench Top Multimeter is a unique multi-functional device that has 4 7/8 digits Dual Display with 80,000 counts and Analog Bar Graph with 23 segments. This precision LCR meter is a cost-effective solution for component and material measurement. Measure speed is about 3 per second and with more than 50 measuring functions including DC/AC Voltage, DC/AC Currents, Resistance (Ω), Capacitance, Frequency (Hz), Rotational Speed, Square Waveform, Temperature (C/F), Duty Cycle, Diode and Continuity Check. Moreover, you can connect it to your computer through RS-232 Cable. The meter can provide functions including analog bar and unit symbol display, data holding, relative value measuring and maximal/minimal value measuring. This multimeter is most suitable for use on production lines, laboratories, factories, radio-technology, R & D, maintenance and repairing work. The meter can provide functions including analog bar and unit symbol display, data holding, relative value measuring and maximal/minimal value measuring.


  • High contrast and Wide visual angle LCD display with backlight
  • Dual Display: 
    • Main Display: 80000
    • Secondary Display: 80000
    • Analog Bar Graph: 23 segments, update 40 time/sec
  • More than 50 measuring functions including DC/AC Voltage, DC/AC Currents, Resistance (Ω), Capacitance, Frequency (Hz), Temperature (°C/°F), Duty Cycle, Diode & Continuity Check
  • Single Analyzed:
  • (AC+DC) measuring synchronous
  • (AC+Hz) measuring synchronous
  • (DC+dBm) measuring synchronous
  • (dBm+Hz) measuring synchronous
  • (Hz+Duty) measuring synchronous
  • (°C+°F) displaying synchronous
  • Frequency measurement : 0.5Hz -1000.000000MHz
  • Basic DC Accuracy : 0.05 %
  • mV Impedance : >1000MΩ
  • 16 Frequency points, 1% to 99% duty selectable square wave output
  • Analyzing component of current or voltage signal
  • Resistance Measuring : 0.1Ω to 80MΩ,10MΩ to 8000MΩ 
  • Capacitance Measuring : 1nF to 100µF
  • Temperature Measuring : -50°C to 1372°C, -58°F to 2502°F
  • dBm 20 types of reference impedance
  • Auto data hold/ peak hold
  • Relative measuring : REL, Relative percent : REL%
  • 36 hours dynamic recording : MAX / MIN / average/ MAX-MIN
  • Communication : 9-pin isolated optical RS232 cable
  • Measure speed is about 3 per second
  • Timer for measurement
  • Safety/Compliance : IEC 61010 CAT II 1000V ; CAT III 600V
  • Auto power off
  • 0.1 ~ 99.9% pulse duty cycle measuring
  • Set upper and lower limit area measuring
  • Photoelectricity insulation RS-232 computer interface
  • Timing measuring function
  • AC measuring adopt High accuracy RMS, Widely measuring and AC+DC function, can measure the accuracy virtual value of AC by any wave


Basic function Range Accuracy
DCV 80mV/800mV/8V/80V ±(0.05% rdg+5)
800V/1000V ±(0.08% rdg+10)
ACV 80mV/800mV/8V ±(0.8%~8.0%rdg+50)
80V ±(0.8%rdg+50)
750V ±(0.8%~5.0%rdg+50)
DCA 80mA/800mA ±(0.2% rdg+10)
8A/20A ±(0.5% rdg+10)
ACA 80mA/800mA 50Hz~5kHz
±(0.2% rdg+10)
8A/20A 50Hz~200Hz
±(0.5% rdg+10)
Resistance 800Ω ±(0.3% rdg+10)
8KΩ/80KΩ/800KΩ/8MΩ ±(0.3% rdg+5)
60MΩ 0Ω~40MΩ: ±(2.5% rdg+10)
40MΩ~80MΩ: ±(3.5% rdg+10)
dBm ‘-80.00dBm~+80.00dBm ±1.0% rdg
Frequency 1000Hz/10KHz/100KHz/1000kHz/6MHz ±(0.5% rdg+5)
10MHz/100MHz/1000MHz ±(0.1% rdg+5)
Capacitance 1nF ±(5.0% rdg+50)
10nF/100nF/1uF/10uF/100uF ±(2.5% rdg+50)
Diode 3.0000V ±(3.0% rdg+5)
Temperature -50°~1300°/-58°~2372° ±(1.5% rdg+10)

  • Maximum voltage between any terminal and earth ground: 1000V RMS
  • Continuity Beeper: 3kHz Approx.
  • Operating Temperature: 0°C to +50°C 
    • Storage Temperature : -20°C to +60°C
  • Operating Altitude: under 2000m 
  • Storage Altitude : under 10,000m
  • Relative Humidity :  ≤75% at 0°C to +40°C
  • Electromagnetic Compatibility : in a RF field or 1 V/m on all ranges and function except Capacitance
  • Total Accuracy : specified +5% of range Capacitance not specified in RF fields performance above 1 V/m is not specified
  • PC Interface : RS-232
  • Compatible with Windows 2000 & XP only
  • AC Power : 110~220 V ( EU Power adapter plug)
  • Size : approx. 242 x 212 x 98 mm
  • Weight : approx.1388g (accessories not included)

Package Includes:

1 x Digital Bench Top Multimeter

1 x Pair of Test Leads

1 x Type K Thermocouple

1 x RS-232 Software CD

1 x 9-pin Cable Adapter

1 x AC Power Cord (EU Plug)

1 x English Instruction Manual

1 x Standard Packaging Box


We will send you a plug adapter according to your country.

Details Pictures:

Shipping information

(1) FREE Shipping 10 - 15 business days, (2) Standard Shipping 7 - 12 business days.

Shipping and Delivery Estimates

We ship in-stock orders as soon as possible. This is often within two business days, but there are situations where it may take longer. All estimates are based on business days.


(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.

(2) Business days do not include Saturday/Sunday and any public holidays.

(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.

(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.

Return and exchanges

Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

for more information please visit our Refunds & Returns Policy page.