EXTECH RE300 방수 ExStik ORP 미터

Range ORP (mV) : -999 to 999mV
Max Resolution : 1mV
Basic Accuracy : ±4mV
Memory : 15 readings
Data Hold, Auto shut-off and low battery indication
Dimensions/ Weight : 1.4x6.8x1.6" (35.6x172.7x40.6mm)/ 3.8oz (110g)

Manual

Datasheets