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Operation; Unit Button; Zero Function; Max-Min Recording - Extech Instruments LT510 User Manual

Light meter

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Operation

Unit Button

Zero Function

Data Hold
Backlight

MAX-MIN Recording

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1.
Power the meter by pressing the
intensity readings. If the LCD does not switch on, check the batteries located in the rear
battery compartment.
2.
Remove the sensor cover.
3.
Aim the light sensor at the light source for the most accurate readings.
4.
View the measurement on the meter's LCD
Press the UNIT button to select Lux or Ft-cd. The units will be indicated in the display.
To zero the display, place the light sensor cover over the sensor and press the ZERO button.
Short press the hold (H) button to freeze or unfreeze a reading on the display. The Hold function
is not operational in record mode.
The LCD is equipped with backlighting for easier viewing, especially in dimly lit areas. Press the
backlight button to turn the backlight on. The backlight will automatically turn off after 10
seconds.
In this mode, the meter records the maximum and minimum values over time.
Note: The Hold and Power buttons are not operational in the Record mode.
1.
Short press the
R
button to enter the Record mode. The
display. The maximum and minimum values will be recorded and updated during the
measurement period.
2.
Short press the
R
button to stop the Max-Min recording. The
that occurred during the recording period will be displayed.
3.
Short press the
R
button to display the
recording period.
4.
Press the
H
button to clear the memory and start a new max/min measurement period.
R
5.
Long press the
button for to exit the record mode.
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power button. The meter will begin displaying light
record icon will appear on the
icon and the MAX value
icon and MIN value that occurred during the
4
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