RVFM-Megohmmeter-RVFM-6M-Megohmmeter-20MR-to-2000MR-Measurement-Range-10k R-Resolution-LCD-Display-3-1-2-Digit-1999-Display-Counts-Test-Voltage-1000 Vdc-Storage-Temperature-20-C-to-60-C-4-x-1-5V-AAA-Battery-Power-Source-0-C-to-50-C-Operating-Temperature-Range-170mm-Length-44mm-Width-40mm-Height-160g-Weight-Smallest-Insulation-Tester-Portability-&-Simplicity-One-h&-Operation-Portability-&-Simplicity-One-h&-Operation-with-Auto-Data-Hold-Function-After-Releasing-Measu