OPERATING INSTRUCTIONS
AquaTuff™ 351 THERMOMETER
Press to turn instrument ON or OFF.
Press to select Fahrenheit or Celsius
temperature scale.
OPERATION:
1) Observing correct polarity, insert thermocouple probe
into connector on top of instrument.
2) Press
3) Default temperature scale is Fahrenheit. To change
temperature scale, press
will toggle between "F" and "C" icons on right side
of display with each press of the
4) The instrument has an auto-off feature that will turn off
unit after 10 minutes of non-keypad activity to conserve
battery life. To manually turn instrument off, press and
hold
AquaTuff™ 352 THERMOMETER
Press to turn instrument ON or OFF. When
used in combination with SHIFT key, enables
or disables AUTO-OFF feature.
Press to select FAHRENHEIT or CELSIUS
temperature scale. When used in combination
with SHIFT key, selects tenth degree or whole
degree resolution.
Press to "FREEZE" current temperature
reading on display. SHIFT function provides
secondary user settings with other keys as
noted.
Press to turn on BACKLIGHT for viewing
temperatures in low lighting conditions.
When pressed, BACKLIGHT will remain on
for 5 seconds.
OPERATION:
1) Observing correct polarity, insert thermocouple probe
into connector on top of instrument.
2) Press
3) Default temperature scale is Fahrenheit. To change
temperature scale, press
will toggle between "F" and "C" icons on right
side of display with each press of the
4) The instrument has an AUTO-OFF feature that will turn
off unit after 10 minutes of non-keypad activity to
conserve battery life. To manually turn instrument off,
press and hold
AUTO-OFF feature, press and hold
press
will appear when AUTO-OFF feature is active).
key to turn instrument on.
key momentarily.
key to turn instrument on.
key momentarily. To disable
key. (NOTE: "AUTO" icon at top of display
key. (NOTE: Display
key. (NOTE: Display
3
key).
key).
key and then