Johnson Level & Tool Mfg. 1880-4800 - Manual (Page 11)

©2013 Johnson Level & Tool - Rev. 1 11
7. Technical Specifications
Display Range 4 x 90º
Resolution 0.05º or 0.1º, 0.09% or 0.2%, 1/8",
0.125", 0.9mm/m or 2mm/m
Accuracy ± 0.05º for 0º and 90º
± 0.1º 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" (610x25x61mm)
(1880-2400)
48" x 1" x 2.4" (1220x25x61mm)
(1880-4800)
Weight 1.19 lbs (0.54kg)
(1880-2400)
2.30 lbs (1.04kg)
(1880-4800)
IP Class 65
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.
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