SIMCO FMX-004 Handheld LCD Electrostatic Field Meter Static Tester for 30 kV⊕IK
(range hysteresis: ±1.0kV to ±1.5kV). ±1.0kV to ± 30.00kV ( High range). xx.x=±1.0kV to ±30.0kV(Hi). The status of the battery is shown on the display. Bar graph precision: ±0.1kV for low range ±2kV for high range.