AVO Int'l Botron Company B8571 surface resistivity test kit

Digital & Analog Surface Test Kit

B8571 is an easy to read a large digital and analog megohm tester.

Test up to 200Gegohms 

Also has a (Quick Check ) megohm scale on faceplate from >104 to <1011 range.

Select the desired test range and push the large test button for reading, you may also lock-in your test results by pushing the yellow lock button.

When in a low light condition press yellow back-light button.

The Auto shut-off feature will conserve the battery life.

Optional transducer to test humidity & temperature is available.