Pine Thermometer and Hygrometer

Thermometer & Hygrometer: Pine horizontal 3" dials, F & Cº. Sauna thermometer and hygrometer measures temperature and humidity of sauna room. Beveled style frame is made of natural pine. Includes brass trim nail for installing. Measures 30 to 250 Fº / 0 to 120 Cº degrees Measures humidity 0 to 100% Covered dials set in contoured pine wood frame Size: 10" W x 5 1/4" H x 1 1/4" D Installation Tip: Hang on small nail or screw on wall in neutral area, at least 3 feet away from door and heater, 1 foot down from ceiling for accurate reading of sauna temperature. Calibration Calibrating Your Hygrometer To calibrate a hygrometer you will need: 1/2 cup table salt Approximately 1/4 cup water Coffee cup Large resealable freezer bag Hygrometer Place 1/2 cup of salt in the coffee cup, and add the water. Stir for a bit to totally saturate the salt (the salt won't dissolve, it will be more like really wet sand). Place the cup of salt/water mix in a resealable plastic bag, along with th