RT304 Water Resistant Thermometer
Instrument Operation
Press the ON/OFF button to activate the thermometer. The unit will
remain in the ON position until switched of f by the user. Insert the
stainless steel probe about 25mm (1 inch) into the object to be
measured. The measured temperature will be shown on the LCD
display.
To Select ˚C or ˚F
Press the ˚C/˚F but ton to select the desired temperature unit.
Features
•IP 67 Water Resistant
•On/Off Switch
•Max. & Min. Memory
•°C/°F Switchable
•-58°F to 392°F Range
•Includes Pocket Clip
Using MIN-MAX
Press the MIN/MAX memor y button to read the last highest /
maximum temperature measured.
Press once more to read the last lowest / minimum temperature
measured.
Press once more to return to normal display.
Press and hold the button for about 3 seconds then release to
reset the memory.
Battery Installation
Replace the battery if the LCD display becomes dim.
Replace with 1.5 volt, t ype A76 or equivalent.
Use a coin of suitable size to open the battery cover on the back.
Install the battery observing the correct polarity.
Close the bat ter y cover.
Care and Cleaning
Clean the probe immediately after each measurement to avoid cross contamination.
Do not expose the entire thermometer to temperatures over 122˚F / 50˚C.
Do not use inside ovens. Not submersible.
Specifications
Measuring Range -58 to 392˚F / -50 to 200˚C
Accuracy ±2˚F between -40 to 302˚F, otherwise ±4˚F
±1˚C between -40 to 150˚C, otherwise ±2˚C
Display Resolution 0.1˚
Display Reading Update 1 second
Battery 1.5 volt, type A76 or equivelant x 1 piece (included)
Battery Life About 5,000 hours continuous operation
Water Resistance IP 67
Display Size 18 (w) x 8.5 (h) mm
Probe Size 0.137 (∅ ) x 4.75 (L) inches
3.5 (∅ ) x 120 (L) mm
Product Size 1.7 (W) x 0.75 (D) x 7.5 (L) inches
41.5 (W) x 17 (D) x 189 (L) mm
(including probe cover)
Operating Range 32 to 122 ˚F / 0 to 50 ˚C
Utah, U.S.A.
Ph: 801-756-7705
Fax: 801-756-8948
www.thermoworks.com
RT304 Water
Resistant Thermometer
Made in China