Sper Scientific 850009 Ultra Violet Light Meter UVA/B - Manual (Page 8)

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BASIC FUNCTIONS
Power On/Off
1. Press and hold the HOLD button for 2 se-
conds to turn the meter on. All symbols on
the LCD will appear for 1 second.
2. Press and hold the HOLD button for 2 se-
conds to turn the meter off. All symbols on
the LCD will appear for 1 second. Release
HOLD button.
Reading the LCD Display
1. The primary display indicates measurement
value.
2. The secondary display indicates the
advanced functions or data recording.
UVA/B SENSOR
Calibration
Point
Wavelength (nm)
CAUTION:
THE UV SENSOR IS A SENSITIVE INSTRUMENT.
TO PREVENT PREMATURE AGING AND THERMAL
DESTRUCTION OF THE SENSOR, USE THE SENSOR
FOR SHORT-TERM MEASUREMENT IN A SPLASH-
PROOF ENVIRONMENT ONLY. THE HOUSING
TEMPERATURE MUST NOT EXCEED 50°C.
STORE IN A DRY ENVIRONMENT.
Relativ
e
Spectr
al Sens
itivit
y
(
%
)