The pen ORP meter is professional and ideal tool for testing ORP and temperature of your water level.

Suitable for aquarium pool and environment water.

Features: Use to measure the amount of Oxidation Reduction Potential (ORP) level and temperature (°C/ °F).

Double functions, measuring ORP and temperature.

Clear LCD display with backlight.

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

Waterproof IP65 and replaceable sensor probe. Auto shut off.

Compact and portable pen-type design.

Easy to use and provides instant display of results.

Specifications:

Range: -1999mV~1999mV

Temperature Range: -50~ 70'C (-58~158'F)

Resolution: 0.11'C 1mV; 0.2'F

Accuracy: ±5mV; ±1'C(±2'F)

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

Battery: 4 x 1.5V(AG-13) Button Cell (not included)