| | Model THI-10 Digital Thermohygrometer Dwyer Instruments, Inc., Michigan City, IN 27 Aug 2009 Dwyer Instruments, Inc., is proud to have released the NEW MODEL THI-10 DIGITAL THERMOHYGROMETER, which accurately measures relative humidity and ambient temperature and stores up to 99 readings allowing the HVAC technician to record the data after returning to the office. | |