Airmar T42 Temperature Sensor - Manual

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Thru-Hull, NMEA 0183
High-Precision Temperature
Model T42
Applications
• Bronze sensor recommended for fiberglass or wood hull only.
• The hull must be a minimum of 8mm (5/16”) thick at the
mounting location.
Mounting Location
Choose a location where the temperature sensor will be in contact
with the water at all times.
Tools & Materials
Safety goggles
Dust mask
Electric drill
Drill bits:
3mm or 1/8"
21mm or 7/8"
Sandpaper
Mild household detergent or weak solvent (alcohol)
Marine sealant (suitable for below waterline)
Slip-joint pliers
Installation in a cored fiberglass hull (see page 2)
Hole saw for hull interior: 30mm or 1-1/4"
Cylinder, wax, tape, and casting epoxy
Pencil
Grommet(s) (some installations)
Cutting pliers
Wire strippers
Heat-shrink tubing
Heat gun
Phillips screwdriver
Alcohol
Blade screwdrivers
Water-based anti-fouling paint (mandatory in salt water)
INSTALLATION INSTRUCTIONS OWNER’S GUIDE &
Record the information found on the cable tag for future reference.
Part No._________________Date___________
WARNING: Always wear safety goggles and a dust
mask when installing to avoid personal injury.
WARNING: The power must be OFF before wiring if
the instrument is already connected to a power source
to avoid personal injury or death.
WARNING: The power supply voltage must be
12 VDC. Any other voltage may damage the sensor
and/or result in fire, causing damage to the boat,
personal injury, and/or death.
WARNING: A safe installation requires a 0.5 amp fast-
blow fuse or circuit breaker. Failure to do so may result
in fire, causing damage to the boat, personal injury,
and/or death.
WARNING: Immediately check for leaks when the
boat is placed in the water. Do not leave the boat
unchecked for more than three hours. Even a small
leak can allow considerable water to accumulate.
CAUTION: Never install a metal sensor on a vessel
with a positive ground system.
CAUTION: Never install a bronze sensor in a metal
hull because electrolytic corrosion will occur.
CAUTION: Never pull, carry, or hold the sensor by its
cable; this may sever internal connections.
CAUTION: Never use solvents. Cleaners, fuel,
sealants, paint, and other products may contain strong
solvents, such as acetone, which attack many
plastics, greatly reducing their strength.
IMPORTANT: Read the instructions completely
before proceeding with the installation. These
instructions supersede any other instructions in your
instrument manual if they differ.
T42
Data
Converter