User guide

©2013 Johnson Level & Tool 11
7. Technical Specifications
Display Range 4 x 90º
Resolution 0.1º, 0.1%, 1/8"
Accuracy ± 0.1º for 0º and 90º
± 0.2º for other angles
Power Supply 1 “AAA” alkaline battery (
not included)
Battery Life Approx. battery life 50 hours
continuous use
Working Temperature 32°F to 122°F (-10°C to +50°C)
Dimensions 10" x 2" x 0.75" (254x50x19mm)
Weight 0.44 lbs (0.19Kg)
IP Protection Class 50
8. Care and Handling
• This unit is a precision tool that must be handled with care.
• Avoid exposing unit to shock vibrations and extreme temperatures.
• Before moving or transporting the unit, make sure that the unit
is turned off.
• Remove the batteries when storing the unit for an extended time
(more than three months) to avoid damage to the unit should
the batteries deteriorate.
• Avoid getting the unit wet.
• Keep the unit dry and clean. Remove any moisture or dirt with a
soft, dry cloth.
• Do not use harsh chemicals, strong detergents or cleaning solvents
to clean the unit.
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