This is a handy type and easy-to-use pH/ORP measuring multimeter. You can measure pH and temperature, and you can also measure ORP by replacing the electrodes. Comes with a dedicated case for easy carrying. This measuring set also includes standard liquids and other accessories. Japanese instruction manual (English language not guaranteed), so even beginners can use it with confidence. The instrument itself can memorize measurements so you can connect it to a computer via USB to transfer data. If you measure ORP with this instrument, you will need to purchase an ORP electrode separately.