Pla introduces digital insulation tester, dm- 11. It is compact, handy, and fully battery operated [mains operation at option] with 3-1/2-digit lcd readout. It providess immediate reading, and is ussble anywhere in lab or outside. It has test voltage of 500 v dc [option 250 v dc] with a stability of better than 1%. Different ranges available are 0-200 mw, 0-2,000 mw, 0-20,000 mw. It is short circuit protected, and accurate.
