USTER HVI SPECTRUM - Page 68

USTER
®
HVI SPECTRUM Instruction Manual
Uster Technologies, Inc. Chapter 4
Calibration • Page 4-24
Note: Calibration at X1 is REQUIRED.
To perform the check:
1. Place the dark side of the tile on the plate and take a reading.
The UV reading should equal 0 (zero).
2. If the values are correct, no calibration is necessary. Select the
CANCEL/CLOSE button.
3. If the values are incorrect, place the dark side of the tile on the
UV meter and enter the correct tile value shown on the plate.
Select the CALIBRATE button at the bottom left of the screen. The
dark side should read 0 (zero).
4. Continue following the directions shown on the UV
CHECK/CALIBRATION screen by flipping the plate and pressing the
NEXT button.
5. Once all tile values have been read, perform a re-check. All
values should be correct.
6. As stated previously, the dark side of the calibration tile should
read 0 (zero).
7. Next, check the fluorescent side, which should read what is
printed on the calibration tile.
IMPORTANT:
The operator should ONLY recalibrate if these values are out of
limits.
8. Once all tile values are correct, select the SAVE button.