Mastech MS5201 Digital Insulation Tester

415.00 AED (Excl. VAT)


MS5201 is a portable professional measuring instrument with large LCD.

With sound and flash alarm, to protect the meter from the damage by operation improperly. Overload protection and low battery indication are provided as well.


  • Display: 2000 counts
  • Continuity Buzzer: <50Ω
  • Date Hold
  • Low Battery Display
  • LOCK: Constant Measuring Lock


  • Max. Voltage Between Terminals And Earth Ground: 1000V DC or AC
  • Measuring method: Dual-slope integration A/D converter
  • Sampling Time: approx. 0.4 second
  • Display: 22mm LCD
  • Show Value: 1999 (3 1/2)
  • Polarity Indication: ‘-’indicates negative polarity.
  • Overrange Indication: Display ‘1’ or ‘-1’
  • Unit showing: showing of function and electrical capacity.
  • Power Supply: 1.5V×6 (size AA) batter (recommended to use the alkaline or heavy duty battery.)
  • Power Consumption:
  • 5mA(DC1000V、AC750V、200Ω、)
  • 30mA(200MΩ/250V)
  • 50mA(200MΩ/500V)
  • 100mA(2000MΩ/1000V)
  • Low Battery Indication: ‘’ displayed
  • Operating Temperature: 0℃ to 40℃(32°F to 104°F)
  • Operating Humidity: ≤85%RH
  • Storage Temperature: -10℃ to 50℃(10°F to 122°F)
  • Dimension: 192×122×55 mm
  • Weight: Approx. 545g(including battery)
  • Certificate: CAT III 1000V/CAT III 600V RoHS
Specification Range Resolution Accuracy
AC Voltage 700V 1V +-(1.2%+5)
DC Voltage 1000V 1V +-(0.8%+3)
Resistance 200Ω 0.1Ω +-(1.0%+3)
Insulation Resistance
Range 200MΩ/250V 200MΩ/500V 2000MΩ/1000V
Test Voltage DC 250V +-10% DC 500V +-10% DC 1000V +-10%
Measuring Ranges 0~200MΩ 0~200MΩ 0~2000MΩ
0MΩ~1000MΩ 1000MΩ~2000MΩ
Accuracy +-(3%+5) +-(3%+5) +-(3%+5) +-(5%+5)
Output Voltage
Range 200MΩ/250V 200MΩ/500V 2000MΩ/1000V
Output Voltage on Open Circuit 250V +-10% 500V +-10% 1000V +-10%
Minimum Output Voltage 225V at 0.25MΩ 450V at 0.5MΩ 900V at 1MΩ
Test Current (approx.) 1mA at 0.25MΩ 1mA at 0.5MΩ 1mA at 1MΩ
Output Voltage Circuit Current ≤2.5mA

Additional information




1000V DC or AC