©2011 Johnson Level & Tool - Rev. 1 1
6” Magnetic Digital Level
Model No. 40-6060
Instruction Manual
Congratulations on your choice of this 6” Magnetic Digital Level. We
suggest you read this instruction manual thoroughly before using the
instrument. Save this instruction manual for future use.
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2 ©2011 Johnson Level & Tool - Rev. 1
Table of Contents
1. Kit Contents
2. Features and Functions
3. Location of Parts/Components
4. Operating Instructions
5. Using the Product
6. Self-Check and Calibration
7. Technical Specifications
8. Care and Handling
9. Product Warranty
1. Kit Contents
Description Qty.
“AAA” Alkaline Batteries 3
Soft-Sided Pouch 1
2. Features and Functions
• Angle inclination in 5 construction languages - units of measure
(degrees, percent, mm/m, in/ft in decimal, in/ft in fractional)
• Small and handy
• Working range of angle measurement 4 x 90º
• 0º and 90º - position of inclination is confirmed by a signal tone
• Automatic digit inversion for overhead measurements
• Hold-function to freeze measurement
• Magnetic base
• 1/4” - 20 thread for connection to tripod
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3. Location of Part/Components
LCD Display
Battery Compartment
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4. Operating Instructions
Battery Installation
1. Make sure the instrument is turned off.
2. Turn the battery compartment cover screw counter-clockwise
to remove the cover. Remove the old batteries, and install the
new batteries.
3. Turn on the level to see if all functions are correct.
Note:
1. Be sure to match up polarities when replacing the batteries.
2. Always remove the batteries before storing the instrument.
IMPORTANT: It is the responsibility of the user to verify the
calibration of the instrument before each use.
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5. Using the Product
Key Guide
There are four key-presses in this instrument, they are (from right
to left): power on/off key, mode key, zero calibration/horn key and
the hold key.
Power On/Off Key
Power on and off the instrument by pressing this key.
Mode Key
Push the MODE key to switch from one dimension to another.
This controls which dimension your electronic module will measure in.
Your level has the capability to measure in Degrees, Percentage of
slope, Millimeters per Meter, Inches per Foot (Slope, Pitch) in decimal
form and Inches per Foot in fractions of an inch. A symbol on the
upper right of the screen will explain which MODE you are currently in.
Zero Calibration/Horn Key
Periodic checking should be conducted to this instrument. If it
is out of alignment, recalibration will be necessary. This key is
used for calibration to absolute horizontal and absolute vertical of the
instrument. See the “Self-Check and Calibration” in section 6.
Power
On/Off
Display
Hold Key
Zero Key/
Horn
Mode Key
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6 ©2011 Johnson Level & Tool - Rev. 1
Hold Key
Set the level in place and press this key to enter into the hold
status, record the current angle of the flashing display, the
displayed value will not change. Press this key again to release the
hold and the data will vary according to slope.
Automatic Shut-off
This instrument will shut-off automatically if no operation is received
within six minutes.
Low-power Indication
When voltage is low, battery symbol will flash in the left LCD as shown
below. When this is flashing, batteries need to be replaced.
Horn Function
Push the Zero/Horn key once to turn on the horn (symbol should be
displayed). Push again to turn off. Horn will start a slow beep at 10º
or 17.5% and beep faster the closer you get to 0º or 0%. Once the
instrument hits 0º or 0%, you will get a steady tone.
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The figure below shows the left side of the digital level needs to be
moved up to achieve level.
Shows that the digital level is level.
Shows the measurement of the slope.
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8 ©2011 Johnson Level & Tool - Rev. 1
6. Self-Check and Calibration
Horizontal Accuracy Check
1. Turn on the digital level and put it on a smooth and level surface as
shown in figure 1. Wait 10 second until the display digits are stable and record the degree value.
2. Rotate the digital level 180º in the same plane, see figure 2, wait 10
seconds until the display data is stable then record the second
degree value.
3. Turn over the digital level in the same plane, figure 3, wait 10
seconds and record the third degree value when it is stable.
4. Rotate the digital level 180º in the same plane, figure 4, wait 10
seconds and write down the fourth degree value when stable.
5. Of the four degree readings, if any two of the values have a difference over 0.1º, the unit must have a new Zero plumb recalibration.
Figure 1
Figure 3
Figure 2 Figure 4
IMPORTANT: It is the responsibility of the user to verify the
calibration of the instrument before each use.
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Vertical Accuracy Check
1. Turn on the digital level and put it on a smooth and vertical plane as
shown in figure 5. Wait 10 seconds until the data reading is stable
and then record the angle degree.
2. Rotate the digital level 180º on the same plane, see figure 6, wait
10 seconds until the display data is stable then record the second
degree value.
3. Turn over the digital level in the same plane, figure 7, wait 10
seconds and record the third degree value when it is stable.
4. Rotate the digital level 180º in the same plane, figure 8, wait 10
seconds and write down the fourth degree value when stable.
5. Of the four degree readings, if any two of the values have a difference over 0.1º, the unit must have a new Zero plumb recalibration.
Horizontal Calibration
1. Turn on the instrument and put it on a smooth and horizontal surface, figure 9. Press and hold in for 5 seconds the Zero Calibration
key, -0- will show on LCD display. Wait ten seconds then press
the Zero key again, the LCD will show -1-.
2. Rotate the digital level 180º on the same plane, figure 10, wait 10
seconds and press the Zero key until the LCD displays -2-.
Figure 5
Figure 6 Figure 7
Figure 8
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3. Turn the unit over, still on the same plane making it upside down,
as in figure 11, then press the Zero key until the LCD displays -0-.
4. After 10 seconds, press the Zero key again until the LCD displays
-1-.
5. Turn the digital level 180º on the same plane, figure 12, wait 10
seconds, and press the Zero key again until the LCD displays -2-.
6. The horizontal calibration is complete.
Figure 9 Figure 10
Figure 11
Figure 12
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Vertical Calibration
1. Turn on the instrument and put it on a smooth and vertical surface, figure 13. The two side surfaces of the benchmark
should be as parallel as possible, such as glass door or window. Press and hold in for 5 seconds the Zero Calibration key,
-0- will show on LCD display. Wait ten seconds then press the
Zero key again, the LCD will show -1-.
2. Rotate the digital level to the other vertical surface, figure 14, wait
10 seconds and press the Zero key until the LCD displays -2-.
3. Turn the unit over, still on the same plane making it upside
down, as in figure 16, then press the Zero key until the LCD
displays -0-.
4. After 10 seconds, press the Zero key again until the LCD
displays -1-.
5. Turn the digital level back to the first vertical surface on the
same benchmark plane, figure 15, wait 10 seconds, and press
the Zero key again until the LCD displays -2-.
6. The vertical calibration is complete.
Figure 13 Figure 14
Figure 15
Figure 16
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7. Technical Specifications
Accuracy ±0.1º for 0º and 90º,
and ±2º for 1º and 89º
Working Range 0º to 90º
Power Supply 3 “AAA” alkaline batteries
Battery Life Approx. battery life 100 hours
continuous use
Dimensions 6.14" x 2.2" x 1.22"
(156 x 56 x 31mm)
Weight 0.66 lbs. (0.3 Kg)
Working Temperature 14°F to 113°F (-10°C to +45°C)
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8. Care and Handling
• 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 level 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 level.
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9. Product Warranty
Johnson Level & Tool offers a one year limited warranty on each its
products. You can obtain a copy of the limited warranty for a
Johnson Level & Tool product by contacting Johnson Level & Tool's
Customer Service Department as provided below or by visiting us
online at www.johnsonlevel.com. The limited warranty for each
product contains various limitations and exclusions.
NOTE: The user is responsible for the proper use and care of the
product. It is the responsibility of the user to verify the calibration of the
instrument before each use.
For further assistance, or if you experience problems with this product
that are not addressed in this instruction manual, please contact our
Customer Service Dept.
In the U.S., contact Johnson Level & Tool’s Customer Service
Department at 888-9-LEVELS.
In Canada, contact Johnson Level & Tool’s Customer Service
Department at 800-346-6682.
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