Spa Instruments [I] Pvt. Ltd offers Digital Process Indicator Controller. Spa Instruments [I] Pvt. Ltd also manufactures transmitters, isolators, converters, controllers and valve actuators and technologically advanced electronic security devices. The Digital Process Indicator Controller, Model PI-020 Series, is used for monitoring and controlling process variables of all engineering units like temperature, RH, pressure, level, flow, RPM etc. The Digital Process Indicator Controller has 3 1/2 / 4 1/2 digits 7-segment red LED display. The Digital Process Indicator Controller has temperature sensors and contact ratings of 230 VAC/ 5Amp. This Indicator Controller has a mild steel coated powder coated enclosure.