LIMIT 4300 Manual Del Usuario página 6

English
Measurement.
Select stroke direction, material code and scale. Press
POWER / MENU key after each setting and before each measurement.
Make sure the object is stably fixed. Tension the spring mechanism. Hold the
transducer firmly against the object, the support ring shall be parallel to the
surface. Release the shutter key. See Figure 3.
Note.
Never release the probe without the probe is pressed against an object
to avoid the support ring on the underside of the sensor comes loose. At least
3 mm distance between two measurement points and at least 5 mm from the
edge of the object.When the instrument is not in use, the spring mechanism
being off loaded.
Average.
Press POWER / MENU key for 6 seconds. AVE is displayed. Select
the number of measurements from 2 to 9 with the arrow keys. Press POWER /
MENU again. E.g. select 3 measurements, the average value will be displayed
after next 3 measurements.
Calibration.
The instrument may need to be adjusted after a period of use.
Press POWER / MENU for 9 seconds. CAL appears on the display. Measure
against a test block of known hardness. Adjust the value with the arrow keys
till the test block's value. Repeat the process until the value corresponding to
the test block's value. Press POWER / MENU key to exit calibration.
Maintenance.
After 1000 to 2000 measurments requires the mechanism to
be cleaned. Unscrew the support ring. Clean pipe interior and the piston with
attached nylon brush. The pipe must be dry and clean. Use absolutely not
any oil, grease or other lubricant. Is reading consistently higher than sample
measurement to the test block is the piston worn or damaged and must be
replaced. Replace the battery when the battery indicator shows lowcapacity.
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