* 4-wire installation.
* Linear current output .
* Easy installation and connection.
* pH range : 4.00 to 14.00 pH.
* Analog output: 4 to 20 mA.
* 4.00 & 7.00 pH standard solution are standard accessories.
* Power supply by DC 9 ~ 30 V .
* Available for wide applications, such as aquarium, beverage, fish hatcheries, food processing, photography, laboratory, quality control, school & colleges, swimming pools, water conditions.