Special Features:

2 indicators with 2 seperate ranges 0 to 100% rh and -40 to +115 degrees c; accuracy: +/- 2% rh in range 0 to 80% rh and +/- 3% rh in range 80 to 100% rh, +/- 0.3 degree c; coefficient less than +/- 0.05% rh/deg c; repeatability better than 1% rh; display 3 1/2 digit lcd; resolution 0.1 rh and 0.1 degree c; battery 9 volt type; fuse 100 ma fast; connector type amphenol; weeight 260 g; includes model 0639 carrying case and hmp 31 ut probe (30 by 22.5 by 5.5 cm)

Properties:

An indicator which indicates temperature and humidity by means of measuring the electrical resistance of remotely located temperature and humidity elements. The resistance of the elements varies with changes in temperature and humidity respectively. Does not include resistance humidity or temperature elements.