Johnson 40-6028 Скачать руководство пользователя страница 10

10

©2009 Johnson Level & Tool

7. Technical Specifications

Range of Angle Measurement

360º, Display ± 90º

Definition Rate

0.1º

Accuracy

± 0.1º for 0º and 90º  

± 0.2º for other angles

Power Supply

3 “AAA” alkaline batteries

Battery Life

Approx. battery life 60 hours 

continuous use

Working Temperature

14°F to 113°F (-10°C to +45°C)

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.

2333H  5/28/09  1:16 PM  Page 10

Содержание 40-6028

Страница 1: ...odel Nos 40 6028 40 6048 Instruction Manual Congratulations on your choice of this Digital Level We suggest you read this instruction manual thoroughly before using the instrument Save this instructio...

Страница 2: ...l No 40 6028 40 6048 Qty Digital Level 1 AAA Alkaline Batteries 3 Instruction Manual 1 Carrying Case 1 2 Features and Functions LCD can rotate 180 5 construction languages units of measure degrees per...

Страница 3: ...2009 Johnson Level Tool 3 3 Location of Part Components Handwheel Display Window Operation Buttons 2333H 5 28 09 1 16 PM Page 3...

Страница 4: ...e old batteries and put in new ones 3 Turn on the unit to see if all functions are correct Note 1 Be careful to follow the polarity symbol when replacing the batteries 2 Take out the batteries if the...

Страница 5: ...blink in this function to remind you that you are in the HOLD function Sound and LCD Illumination Key Press this key once to turn on off the sound function The electronic module will beep once When so...

Страница 6: ...imal 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 Key Please refer to Section 6 Self check a...

Страница 7: ...layed on the two ends of the LCD indicate the inclination direction of the digital level When the digital level is at the position of 0 degree the two arrows will show as follows Rotating Display The...

Страница 8: ...2 is greater than 2 it is necessary to calibrate the horizontal accuracy Checking the Vertical Calibration Select a flat and vertical platform as a reference surface 1 Place the digital level on this...

Страница 9: ...seconds and the digital level will show the angle reading The horizontal calibration is now completed Vertical Calibration 1 Press and hold the CAL REF key for 3 plus seconds unit will beep once When...

Страница 10: ...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 Re...

Страница 11: ...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...

Страница 12: ...12 2009 Johnson Level Tool 2333H 5 28 09 1 16 PM Page 12...

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