Digital Multimeter Mastech MAS345

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Digital Multimeter Mastech MAS345
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ID: 9360 1.1 kg
Availability in stock:HKEUCNUA
Product is available in the stock(s) displayed in black.
HK - Product's available in Hong Kong stock
EU - Product's available in Poland stock
CN - Product's available in China stock
UA - Product's available in Ukraine stock

Warranty: 6 month (s)


Mastech MAS345 Digital Multimeter is an autorranging professional instrument to measure DC/AC voltage, DC/AC current, temperature, resistance, capacitance and to test diode, transistor and audible continuity.

Mastech MAS345 Digital Multimeter Features

  • DC/AC voltage (Auto Ranging), DC/AC current, temperature, resistance (Auto Ranging), capacitance measurements
  • Diode, transistor and audible continuity testing
  • LCD (3999 counts max)
  • Low Battery Indication
  • Operating Temperature: 5°C to 35°C (41°F to 95°F)
  • Storage Temperature: -10°C to 60°C (14°F to 140°F)
  • Dimensions: 78×186×35 mm
  • Weight: 300g (Including battery)


Mastech MAS345 Digital Multimeter Technical Specifications

Range Resolution Accuracy*
DC Voltage 4V 1mV ±0.5% of rdg±3 digits
40V 10mV
400V 0.1V
1000V 1V ±0.8% of rdg±3 digits
DC Current 4mA 1μA ±1.2% of rdg±3 digits
400mA 0.1mA
10A 10mA ±2.0% of rdg±8 digits
AC Voltage 4V 1mV ±1.2% of rdg±5 digits
40V 10mV
400V 0.1V
750V 1V ±1.5% of rdg±5 digits
AC Current 4mA 1μA ±1.5% of rdg±8 digits
400mA 0.1mA
10A 10mA ±3.0% of rdg±8 digits
Resistance 400Ω  0.1Ω ±1.2% of rdg±3 digits
40kΩ 10Ω
400kΩ 0,1kΩ
4MΩ 1kΩ
40MΩ 10kΩ ±3.0% of rdg±5 digits
Capacitance 4nF 1pF ±4.0% of rdg±5 digits
400nF 0.1nF
Temperature 0°C to 400°C 1°C ±3.0% of rdg±3 digits
401°C to 750°C 1°C ±3.0% of rdg±5 digits

*Accuracy is specified for a period of one year after calibration and at 18°C to 28°C (64°F to 82°F) with relative humidity to 75%.

Mastech MAS345 Digital Multimeter Package contains

  • Operating Manual
  • Set of test leads
  • 9V battery, NEDA1604, 6F22, 006P
  • “K” type thermocouple


  • digital
Digit Capacity
  • 3999
Range Selection
  • auto range
DC Voltage
  • up to 750 V
AC Voltage
  • up to 750 V
  • up to 10 A
  • up to 10 A
  • up to 40 MOhm
  • up to 400 nF
  • does not measure the frequency
Duty cycle
  • no
  • yes
  • no
  • no
True RMS
  • no
  • no
Analog bar graph
  • yes
Continuity test
  • yes
Transistor check
  • yes
Diode test
  • yes
PC connection
  • RS232





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