How do you measure the wet bulb temperature?
a. Sling the device for one minute and take preliminary temperature readings on the thermometers. Sling the device for an additional 30 seconds until a consistent reading is reached.
b. You need to read the temperature on a gallium-based device instead of a mercury-based device
c. Read the device’s large dial, converting units if necessary
d. Hold the device face-up to find the wet bulb temperature of the sun, but to find the wet bulb temperature of the grass hold it face down