Sunsui process systems manufactures microprocessor based led or lcd display scanners and data loggers with dual display for temperature/pressure/humidity. These machines come with technical features like adjustable scan time, auto/manual function key, print interval, setpoint, common output for alarm relay, individual scan channel indication on led, all on front key operation feather touch board 240 v ac/50 hz mains operated, in din size enclosure. These scanners & dataloggers have standard software for 80 column computer printer with printer port output as also for computer compatible serial port output. Universal input is selectable on front key for models scan 16 and scan 32 only. These scanners & dataloggers can be applied for any data logging of various parameters like pressure/humidity/temperature/ph/conductivity/air velocity/flow, etc, for standard rooms, chambers, autoclave, hvac rooms, green house, mushroom houses, etc. The company undertakes validation/site mapping jobs and certifications for calibaration traceable to npl.