La Crosse Technology, Ltd.
Page 2
Accuracy
Accuracy (Ambient Temperature 68 °F to 79 °F):
From -27.4°F to 32°F: +/- (4.5 + 0.1/deg) °F
Above 32°F: +/- (4.5°F or 2.5% whichever is greater)
Resolution: (-9.9°F to 199.9°F) 0.5 °F, otherwise 1 °F
Items measured should be at least twice the diameter of the beam from the thermometer
used to measure.
Thermometer will not read thru glass to an object. It will measure the temperature of the
glass.
Dust, steam, smoke, etc. can cause errors.
may cause inaccurate measurements.
Can this cause radiation contamination
No-this uses passive Radiation Thermometry
–An instrument that focuses and detects the
infrared radiation emitted by an object in order to determine its temperature.
All objects emit radiation caused by the motion of the atoms of which make them. This
thermal motion of atoms increases with temperature so does the radiation emitted. This is
what is measured.
There is no transmission or radiation during the measurement.
No touch, provides accurate measurements at a variety of temperatures.
Thermometer shows dashes
Hold the button and device steady for 2 seconds to take a measurement.
Check the battery.
Thermometer is blank
This unit will power off after 15 seconds. Hold the button for 2 seconds to power on.
Remove the battery from thermometer. Press the button 20 times. Install a fresh battery.
If the thermometer does not show lines or numbers within 30 seconds, you may need to
replace the thermometer.
Thermometer is missing segments (all or part of a number is missing)
This is generally a power related issue. The batteries may be overpowered or
underpowered.
Remove the battery from thermometer. Press the button 20 times.
Leave the battery out of the thermometer for 1-2 hours. Install a fresh battery.
If the thermometer does not show lines or numbers within 30 seconds, you may need to
replace the thermometer.
