5501DM DIGITAL MEGAMETER 

 Insulation tester with DMM
 Integration of digital multimeter and insulation
 resistance meter - this has been accomplished 
 in this 5501DM.
 This tester can measure wide range of insulation
 resistance 0.1M-2000M
 A LED lamp is employed for indicating if 500V is on. And
 indicate lower power of batteries on the LCD screen
 A semi-automatic changeover function is employed for
 automatically shifting to the proper range.
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