Designed for use in aquaculture, sanitation plants, water, and wastewater treatment plants, the devices feature RS232 communication and hold, relative, and average functions as well as slope control. An optional software package is also available for ease of use. Other features include a four-digit display; dual LCD display showing pH/°C or F, mV/°C or F, max/min; battery low indicator; up to three calibrations, epoxy-body combination pH electrode; maximum operating relative humidity of 80 percent; auto power off in 20 minutes; and disable sleep mode.

Pricing is $300 per unit.