Temperature Range -40 To 158 F. Accuracy: ¦1 C, Relative Humidity Range: 1 To 99%, Resolution: 0.1% Rh, Accuracy: ¦4% Between 20 To 80%, Size Is 4-1/8 X 4-1/8 X 1 inches, Weight Is 4-1/4 Ounces. Settable High/Low Alarm For All Four Readings. Nist.
Boyleft s Law Apparatus, To demonstrate the relationship between pressure and volume of gas. Consists of a 29 mm diameter graduated cylinder with a piston and a screw valve, 60mm manometer scale is from -1000 to 3000 hPa with 50
Environmental Meter, 10-in-1, Measures Air Velocity, Air Flow, Air Temperature, Type K Temperature, Heat Index, Humidity, Wet Bulb, Dew Point, Windchill, & Light Level, Auto power off with disable, Tripod mount, Complete, wrist strap, Dimensions: 6x2.3x1in
Sling Psychrometer, to measure relative humidity, Includes two plastic-backed Celsius thermometers, one for dry bulb measurements and the other for wet bulb measurements, Includes an activity guide with relative humidity calculation table, Requires assembly
Sling Psychrometer, to measure relative humidity, Includes two plastic-backed Celsius thermometers, one for dry bulb measurements and the other for wet bulb measurements, Includes an activity guide with relative humidity calculation table, Requires assembly,pack of 15