Maintenance And Inspection; Checking The Accuracy (Before And After Use); Storing; Disposal - Hitachi UG 50Y Instruction Manual

CHECKING THE ACCURACY (before and after
use)
If the accuracy is found to be faulty, contact the dealer for repairs.
WARNING
Be sure to check the following before and after use.
Using the instrument in a faulty condition may lead to errors.
Checking repeated measuring accuracy
1 Fix the position of the instrument and measure a distance of
approximately 3 ft (1 m) to 16 ft (5 m) ten times.
2 Accuracy is normal if the variation in the measurements is within
0.12˝ (3 mm).
Measuring accuracy may vary depending on the characteristics of
the laser beam refl ected from the target surface or the surrounding
brightness. Measure the target surface under the following conditions.
○ Dark place away from direct sunlight
○ Smooth surface
○ Not too strongly refl ecting surface (mirror, etc.)
○ White or gray wall
○ Free from steam, mirage or dust
Causes of error and remedies
Error
Cause
code
Outside measuring
201
range
Refl ected signal is
202
too weak
Exceeded display
203
range

MAINTENANCE AND INSPECTION

Remedy
Use within measuring range.
Measure target surface in
good condition.
Press on/off button to reset.
Calculation error
204
(Pythagorean theorem)
205 Exhausted battery
206 Temperature too high
207 Temperature too low
Surroundings too
208
bright

STORING

○ After use, be sure to turn off the power and store the instrument in
the provided case.
○ If the instrument is not to be used for a long period, remove the
battery.
○ Avoid storing the unused instrument or accessories in the following
places. Store in a safe, dry place.
NOTE
○ Keep out of reach of children
○ Keep out of the rain, such as under the eaves, and away from
humidity
○ Store out of direct sunlight
○ Store away from rapid changes in temperature
○ Store away from vibration

DISPOSAL

Dispose of the instrument appropriately by a method specifi ed by the
local government of the area.
Disposing of the instrument inappropriately may result in the following
problems.
English
Measure in correct order.
Replace with new battery.
Use in range of 0oC to 40oC.
Use in range of 0oC to 40oC.
Measure away from strong
light (direct sunlight, etc.).
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