Product Manual
©2013 Johnson Level & Tool 11
7. Technical Specifications
Display Range 4 x 90º
Resolution 0.1º, 0.1%, 1/8", .125", 1 mm/m
Accuracy ± 0.1º for 0º and 90º
± 0.2º for other angles
Power Supply 2 “AAA” alkaline batteries (
not included)
Battery Life Approx. battery life 100 hours
continuous use
Working Temperature 32°F to 122°F (-10°C to +50°C)
Dimensions 24" x 1" x 2.4" (1876-2400)
48" x 1" x 2.4" (1876-4800)
Weight 1.19 lbs (0.54kg) (1876-2400)
2.30 lbs (1.04kg) (1876-4800)
IP Class 54
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.
• Always store the unit in its case when not in use.
• 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.
7123H_Manuals 8/6/13 11:51 AM Page 11










