PDM509S | Analog Insulation Tester 500V / 100MΩ Single Range

SanwaSKU: PDM509S

Sale price$172.80

Customer Reviews


The Sanwa PDM509S is a single-range, lightweight, analog DC Insulation tester with an Auto discharge function.

The Sanwa PDM509S has an insulation resistance measuring range of 100MΩ/500 volts with an accuracy of ±5% of full scale. The instrument can also be used to measure AC (600V max) and DC (60V max) voltages as well.

The PDM509S comes with an Auto discharge function that discharges a test circuit once the user is done measuring the insulation resistance of the test circuit. This device lies in the EN61010-1 CAT.II (1000V) and EN61010-1 CAT.III (600V) measurement category.

  • Test voltage DC500V
  • One-shot or continuous measurement push switch
  • DCV measurement range (DC60V)
  • Auto discharge function
  • Inner battery check range
  • ACV measurement range
Includes meter, test leads, carrying case, strap and instruction manual.


          Scale(MΩ) 0.05~0.1~50~100MΩ
            Tolerance ± 5% of reading(1st effective measurement range : written in thick print above)
          ±10% of reading(2nd effective measurement range : written in small type above)
          ACV 600V
            Tolerance Within ±5% of the max. scale value(50~60Hz sine wave)
          DCV 60V
            Tolerance Within ±5% of the max. scale value
          Rated current 1.0~1.2mA
          Battery 6LF22/6LR61 (9V alkaline battery) x1
          Size/Mass H144×W99×D43mm / Approx. 310g
          Safety standard IEC61010 CAT.Ⅲ 600V


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