Aim Ion & Electrostatic Field Meter ,Each

Details:

Aim audit ionization meter^ aim audit ionization meter, measuring range: 0 to /-1.49 Kv (lo range), /- 1.0 Kv to /- 20.0 Kv (hi range), accuracy: /- 10 %, digital and bar graph display, auto power off, automatic range switching, power source: 9v, 6f22y manganese battery, size: 4 7/8x 2 7/8x 1i