Thermometers & Hygrometers


Model THI79 Incubator ThermometerThermometers & Hygrometers PDF

Model THI79 Incubator Thermometer Heavy laminated poster board back, black numerals and markings, red spirit. Two scales. -30 degrees to 50 degrees C in 2 degrees C increments (incubating temperature of 37.5 degrees C is also marked). -20 degrees to 120 degrees F increments (incubating temperature of 99.5 degrees F is also marked). 1 1/2" (3.8 cm) x 3 7/8" (9.8 cm). Wt. 1 oz. (28 gm).








Model THI300 Incubator/Brooder ThermometerModel THI300 Incubator/Brooder Thermometer Plastic case-suction cup attachment. Blue numerals and markings. Two scales. -0 degrees C to 50 degrees C in 2 degrees C increments. -32 degrees F to 120 degrees F in 2 degrees increments. 3/4" (1.9 cm) x 3 1/2" (8.9 cm). Wt. 2 oz. (56 gm).








Model 5301 Brooder ThermometerModel 5301 Brooder Thermometer White, plastic frame. Multi-position mounting bracket. Non-fading red spirit. Two scales. -40 degrees C to 55 degrees C (red scale) in 1 degrees C increments. -40 degrees F to 130 degrees F (blue scale) in 2 degrees F increments. 2 1/3" (5.9 cm) x 7 5/8" (19.4 cm). Wt. 4 oz. (112 gm).









Hygrometer Instructions PDF

Model THI200 HygrometerModel THI200 Hygrometer Uses THI150 thermometer. 9" (22.9 cm) wick with water bottle. Simple instructions on how to take dry bulb reading, wet bulb reading and then how to determine humidity. Wt. 3 oz. (84 gm).









Model 5525 HygrometerModel 5525 Hygrometer A wet and dry bulb hygrometer. Complete instructions included. Take the temperature difference between the dry bulb and wet bulb and use chart to find relative humidity in percent. Permanent chart can be read at a glance, swings aside on hinge for access to reservoir. Reservoir easily removed, easily refilled. Scale range 0 degrees to 120 degrees F (-18 degrees  to 40 degrees C) Reads in degrees F only. Plastic back, metal scale and 7" (18 cm) red spirit tube. Wt. 8 oz. (.23 kg).










Model THI150 Adjustable ThermometerModel THI150 Adjustable Thermometer 1" (2.54 cm) dial bimetal face. Stainless steel case. Can be Re-calibrated. Reads in oF only. 0-220o in 2o increments. Grommet fits 1/2 inch hole, 5 1/2" (14 cm) long. Wt. 2 oz. (56 gm).