$125.00
SE
NOBOTECH NPT-PH106 Waterproof Pen ORP Detector
ORP, temperature0.00~14.00pH
Color LED segment code LCD, rechargeable lithium battery, ORP range -999mV~ 999mV, temperature range 0~60 ℃, automatic identification of standard liquid, IP65 protection class.

$114.00
SE
NOBOTECH NPT-PH101 Waterproof Pen ORP Meter
ORP
Black and white LED segment code LCD, button battery, pH range 0.00~14.00, ORP range -999mV~ 999mV, temperature range 0~60 ℃, automatic identification of standard liquid, IP65 protection class.

If you don't know how to choose "STIP-scan", please consult customer service.