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New Digital Humidity/Temperature Sensors from IST AG

Product News Tuesday, July 10, 2012: Innovative Sensor Technology USA Division

Integrated signal processing, fully calibrated, excellent long term stability in harsh environments, available in 4-pin subminiature ceramic IC module construction.

The Hygrochip series digital humidity sensors combine the advantages of a precise capacitive humidity sensor element with the high integration density and functionality of an ASIC. The integrated signal processor receives the measured data and directly delivers the physical parameters of relative humidity and temperature over an I2C compatible interface. Both nonlinearity and temperature dependence are corrected “OnChip” by computation, ensuring outstanding accuracy (±1.8% rH, ±0.2°C) for a wide range of applications. Compared with monolithic solutions, the new digital humidity modules offer major performance advantages. The consistent high quality from IST AG is guaranteed by the use of the P14 humidity sensor, featuring a high performance polymer. The P14 sensor is characterized by high chemical resistance, ability to recover after dew formation, and excellent long term stability in critical application areas with high humidity.

Innovative Sensor Technology is a manufacturer of thin-film sensing devices; RTD temperature sensors, capacitive relative humidity sensors, thermal mass flow sensors, and conductivity sensors. Established in 1991, IST is an ISO 9001 certified company and is headquartered in Wattwil, Switzerland, with offices in the Czech Republic and USA.