AUTHORIZED FACTORY DISTRIBUTOR FOR THE FOLLOWING FINE MANUFACTURERS:
The Certified Hygrometer Model HTAB-176 is certified to be accurate within ± 3% RH. The dial indicates the complete range of 0 to 100% relative humidity. Each instrument has been tested at three different positions of the dial at temperatures ranging from 32 to 230 F. The calibration and certification are done under ISO-9001 control. The bi-metallic thermometer on the model HTAB-176 is accurate to ±1% of scale with a range of -20 to 100 Centigrade and 0 to 210 Fahrenheit.
