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SPECIFICATIONS
4202 Range:
 
4203 Range: 
Battery: 

–50 to 150°C
–20 to 85°C
357A button cell 
alkaline
or
357 silver-oxide 

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designed to be used in a dishwasher. Waterproof unit is 
designed for rough handling.

OPERATION
Press the ON/OFF button once to turn on the unit. The 
unit will turn on and begin reading temperature in Celsius. 
To switch between Fahrenheit/Celsius, press the °C/°F 
button. Insert unit into the desired location to begin 
measuring temperature. 

MAXIMUM/MINIMUM
To view the Maximum and Minimum temperature the 
thermometer has achieved since the unit has been turned 
on, press the MAX/MIN button to view the Minimum tem-
perature. Press MAX/MIN button again within 3 seconds 
to view the maximum temperature. 

Note: Turning off the unit will reset the Maximum and 

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HOLD FUNCTION

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ALL OPERATIONAL DIFFICULTIES

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BATTERY REPLACEMENT

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forward, unscrew the metal housing cover counterclock-

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out of its metal casing. With the unit removed from its 
casing, turn it over to expose six screws. Using a Phillips

®

 

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the plastic cap onto the unit and screw the six screws 

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to its metal casing, replace the faceplate, and screw on 

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