Operation; Taking A Measurement; Power On/Off; Range Selection - Extech Instruments UV510-NIST User Manual

Operation

Taking a Measurement

1. Short press the
in the rear battery compartment.
2. With the sensor cover attached to the meter, short press the zero button, to zero the
display, before taking any measurements.
3. Remove the sensor cover.
4. Aim the light sensor at the UV light source.
5. View the measurement on the meter's display.
6. Use the Range R button to select the best range for the measurement.
7. To power OFF the meter, short press the

Power ON/OFF

Short press the

Range Selection

Short press the range button to toggle the range (2.000mW/cm
display will show the selected range.

Zero Function

To zero the display, place the protective light cover over the UV sensor and press the ZERO
button.

Data Hold

Short press the H (hold) button to freeze or unfreeze a reading on the display. Hold function is
not operational while in record mode.

Backlight

The LCD is equipped with backlighting for easier viewing, especially in dimly lit areas. Short press
the backlight button to power ON the backlight. The backlight will automatically power off
after 10 seconds.

MAX-MIN Recording

In this mode, the meter records the maximum and minimum values over time.
1. Press the R (record) button to enter the Record mode. The
the display. The maximum and minimum values will be recorded and updated during the
measurement period.
Press the R (record) button again to display the maximum value recorded. The
2.
appear on the display.
power button. If the LCD does not switch on, check the batteries located
button to power on the meter. Short press again to power OFF.
button.
2 and 20.00mW/cm
4
2 ); the lower
record icon will appear on
icon will
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