1/4 DIN panel mount pH controller
microprocessor based with membrane type keypad and password protection.
Meter has a programmable, reversible and isolated pulse frequency output
and dual SPDT relays. Connectors are BNC and spade lug terminal blocks.
ATC is a 10K thermistor or simulation resistor. Features a NEMA-4 type
bezel for watertight seals against mounting panels. 115/230V AC.