The 3640 is so easy to use, just connect the leads, press to measure, and read. The large LCD is nearly 3/4 inch high and indicates lead reversals, over range, and low battery status. 3 LED indicators on the front panel warn the user continuously of measurement problems to assure reliable and accurate tests.
The 3640 is fuse protected up to 250 Volts AC.
The 3640 is perfect for maintenance crews performing numerous tests, and is used in difficult conditions such as high stray currents that adversely affect accuracy. The 3640 can perform the following tests: