SPECIFICATIONS
Ranges:
0 to 199.9 uW/cm
2
0 to 1.9999 mW/cm
2
0 to 19.99 mW/cm
2
Resolution:
0.1 uW/cm
2
(0 to 199.9 uW/cm
2
)
0.001 mW/cm
2
(0 to 1.9999 mW/cm
2
)
0.01 mW/cm
2
(0 to 19.99 mW/cm
2
)
Accuracy:
±2% full scale plus 2 digits
Wide band
wavelength:
320 to 390 nm
Sampling Time:
Approximately 0.4 seconds
Data Output:
PC serial interface
Case:
ABS plastic
Fall safe:
Low battery indicator
Power:
One (1) 9-Volt alkaline battery
Accessories
Supplied:
carrying case, UV sensor probe,
battery, desiccant Traceable
®
Certificate, instructions.
FIGURE 1:
DESCRIPTION
3-1 LCD
3-2
Power Button
3-3
Hold Button: press to hold reading
3-4
Record Button: press to record results
3-5
Recall Button: press to show minimum
and maximum readings
3-6
Zero Button
3-7
Range Switch
3-8
UV Sensor
3-9
Sensor Plug
3-10
Sensor Input Socket
3-11
Computer Output Socket
3-12
Battery Compartment
UV LIGHT METER OPERATION
1. Turn the meter on by pressing the POWER BUTTON
(3-2, fig. 1).
2. Zero Adjustment: Set the RANGE SWITCH
(3-7, fig. 1) to 199.99. This is the far left setting. Cover
the UV SENSOR (3-8, fig. 1) with hand to protect
it from the environment for a more accurate zero
reading. Press the ZERO BUTTON (3-6, fig. 1). The
display should read 0.0. Remove your hand.
NOTE:
if the display shows: “CALO” the further
adjustment is needed. Turn the power off by pressing
the POWER BUTTON. Press and hold the ZERO
BUTTON. Press the POWER BUTTON again. The
bottom line of the display will show “0000”. Adjust the
VR9 by turning the knob on the right of the unit until
the top line of the display reads “0”.
3. Select the desired range by switching the RANGE
SWITCH (3-7, fig. 1)
NOTE:
If the display shows “----”
then there is too much light for the meter to read in
this range. Select the next higher range.
4.
Place the UV SENSOR (3-8, fig. 1) directly under the
light source you wish to measure. Hold for at least 0.4
seconds. The meter will measure the light and display
the value. Limit the angle of light from the source
being measured to 45 degrees; if possible, limit the
angle of light to within 30 degrees.
5. To hold a measurement on the display, press the
HOLD BUTTON (3-3, fig. 1) while a measurement is
being taken. The LCD will show
DH
in the upper left
portion of the display to indicate that the value is a
“held” value. To cancel the data hold feature, simply
press the HOLD BUTTON a second time.
6. To record a measurement, press the RECORD
BUTTON (3-4, fig. 1) while a measurement is being
taken. The LCD will show
REC
in the lower left por-
tion of the display to indicate that the value is being
recorded. To deactivate the record function, press the
RECORD BUTTON again.
7.
Memory Recall: Use the RECALL BUTTON (3-5, fig.
1) to recall the minimum and maximum readings.
When the
REC
symbol appears or the display,
press the RECALL BUTTON (3-6, fig. 1) once. The
maximum recorded value will be displayed. The
letters “Max” will also appear on indicating that this
is the maximum or highest reading. A second press
of the RECALL BUTTON will display the minimum
reading. The letters “Min” will also appear indicating
that this is the minimum lowest reading.
Note:
The Data Record function must be in use to
utilize the Memory recall features. Once the RECORD
BUTTON has been pressed a second time to
deactivate the data record function, the minimum and
maximum values are no longer stored.
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