ph pen ORP Meter ph tester Oxidation Reduction Potential Analyzer Redox tester Measure Water Quality

Features:

Use to measure the amount of Oxidation Reduction Potential (ORP) level.

The tendency of the solution to either gain or lose electrons.

Clear LCD with backlight.

Apply in water sources， aquarium， hydroponics， spas， swimming pools and other water systems.

Mini small size， easy to carry with.

Compact and portable pen-type design.

Easy to use and provides instant display of results.

Specifications:

Range: -1999mV ~ 1999mV

Resolution: 1mV

Accuracy: ±5mV

Operating Temperature: 0~ 50 Celsius ( 32°F ~ 122°F)

Battery: 2 × 3V(CR1632) Button Cell Battery (not included)

Color: Yellow

Item Size: 14.8 * 2.6 * 1.4cm / 5.8 * 1.0 * 0.6in

Item Weight:42g