• 1.Technical specifications

   

  Technical specifications	Technical Index
  Display	3.5 digit LCD,maximum reading “1999”
  Over-limit Indication	When the upper limit is exceeded, only the top digit will display “1”
  Sampling Rate	About 3 times/second
  Allowable Altitude	＜2000 meters
  Operating Environment	For indoor use, pollution degree 2
  Storage Environment	-40℃～60℃，relative humidity＜90%RH
  Overload Protestion	100mA/60Vresettable fuse
  Low Battery Indication	the symbol “” appears on the screen
  Power Supply	6* 1.5V“AA”batteries or external DC 9V power supply
  Current Consumption	No-load power consumption＜300mW when testing
  Size	176*110*77mm

  2. Product Parameters
  (1)Accuracy:±(a%+least significant digit)
  (2)Environment temperature to ensure accuracy: 23±5℃
  (3)Relative humidity:＜75%
  (4)Calibration guarantee period: 1 year since the manufacture date
  (5)Voltage input impedance: 1MΩ
  (6)AC voltage frequency response: 50~200Hz

  Basic Function	Measuring Rage	Basic Accuracy
  Output Voltage	250V/500V/1000V	±10%
  Test Current	250V(R=250kΩ)1mA 500V(R=500kΩ)1mA 1000V(R=1MΩ)1mA	±10%
  Insulation Resistance	250V:1MΩ~200MΩ  500V:1MΩ~200MΩ  1000V:10MΩ~2000MΩ	±(4%±2)
  Short-circuit Current	＜1.8mA
  Median Resistance	250V/500V:100MΩ   1000V:1000MΩ
  Resistance, Continuity Test	0Ω~2KΩ,<50Ω buzzer will make a sound,Test Current:1mA	±(0.8%±6)
  DC Voltage Measurement	0V~1000V	±(0.5%±6)
  AC Voltage Measurement	0V~750V	±(1%±6)
  Jack Position	Insulation Resistance： E and L Voltage,Resistance： V/Ω and G

   

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