Infra control systems [ics] manufactures a cable free [wireless] thermo hygrometer, with three channel selectable cable free sensor with temperature measuring range of 20°c to +60°c and humidity measuring range of 25% to 95%. These are supplied with weatherproof casing, 20 metre transmission range, user selectable °c and °f, memory for min/max humidity and temperature reading, facility for trend display and has table and wall mounting facility. The master unit of these thermo hygrometer has jumbo display and can control temperature and humidity data transfer from 3 different remote sensor units. The thermo hygrometer come with 433 mhz rf transmission frequency and has temperature and humidity alarm for channel 1. The company also provide machines to control complete humidity monitoring system including sensors, transmitters, indicators, controllers and data loggers and pc-based systems. The sensor is contamination free bulk polymer sensor developed by the company, with salient characteristics such as increased accuracy using temperature compensation, fast response and long life.
