Provides humidity and temperature readings at 2-1/2 times per second. Large, easy-to-read 1/2" high LCD digits can be read from 15 ft. Unit reads humidity from 25 to 95% RH and temperature from 32 to 122°F and 0 to 50°C. Resolution is 1% RH and 0.2°F (0.1°C). Accuracy is ±2% RH mid-range otherwise 4% RH. Temperature accuracy is ±1°C (0 to 40°C) otherwise 2°C. Instrument is traceable to NIST standards.
Self-contained, stable, and accurate unit requires no adjustment or maintenance. Complete with screw for wall mounting and a plastic stand for placing on the bench. Modern design is housed in a rugged ABS plastic case. Supplied with AA battery for 1-1/2 years of "always on" operation. Size is 3-1/2 x 5 x 7/8". Weight is 6 oz. Replacement battery Cat.No. 291-1111.