FMX-003 Electrostatic field meter
Measuring range:
0 to ±1.49KV ( Low range)
±1.0KV to ±20.00KV ( High range)
(range hysteresis: ±1.0KV to ±1.5KV)
0 to ±200V ( low balance measuring range)
Measuring distance: 1"±1/64" ( 25mm±0.5mm),
LED guide for correct distance
( between object and field meter)
Response time: <1s
LCD display renewal rate: 5 times/s
Accuracy: ±10%
link:http://www.yptech.com