Clas Ohlson UT383 Instruction Manual

Light meter
Art. no. 36-9475 Model UT383
Please read the entire instruction manual before using the product
and then save it for future reference. We reserve the right for any
errors in text or images and any necessary changes made to
technical data. In the event of technical problems or other queries,
please contact our Customer Services Services.
Safety
• Never expose the product to high temperatures, dust,
powerful vibration, impacts, humidity or moisture.
• Do not put the product in a position where it could fall into
water or other liquid.
• Never try to open the casing. Repairs and service work
should be performed only by qualified technicians and only
using original spare parts.
• Do not let children play with the product.
Cleaning and maintenance
• The meter can be cleaned by wiping it with a dry cloth.
• If you are not going to use the meter for a long time, you
should remove the batteries and store it in a dry, dust-free
environment, out of the reach of children.
Specifications
Measurement range 0–199900 lux/0-18578 Fc
0.5 sec
Sampling interval
Battery saving function 5 min
Battery 3 × AAA/LR03
Size 160 × 50 × 28 mm
Weight 118 g (including batteries)
Environmental factors
Operating temperature 0 to +40°C (not over 80% RH)
+40 to +50°C (not over 45% RH)
Storage temperature -20 to +60°C (not over 75% RH)
Max. altitude ≤ 2000 m above sea level
Resolution and accuracy
Measurement range Resolution* Accuracy
0-9999 lux 1 lux ± (4% rdg + 8 dgts)
10,000-99,990 lux 10 lux ± (5% rdg + 10 dgts)
≥100,000 lux 100 lux ± (5% rdg + 10 dgts)
0~929 Fc 1 Fc ± (4% rdg + 8 dgts)
≥ 929 Fc 10 Fc ± (5% rdg + 10 dgts)
* at 23°C ±3°C, max 80% RH
Buttons and functions
1. Light sensor
2. Display
3. [ ] Press and hold to switch
the light meter on or off
4. [ MAX/MIN ] Press repeatedly to
show the maximum, minimum and
current value.
5. [ LUX/FC] Press to toggle between
measurement units. Choose between
lux and foot candles (FC).
6. [ HOLD/BL ] Press to freeze/lock the
current measurement. "HOLD" will
appear on the display. Press and hold
to switch background light on/off.
Display
a) " MAX " Highest measurement
b) " MIN " Lowest measurement
c) " HOLD " Locked measurement
d) Battery status Low battery
e) " FC ", " LUX " Measurement
unit, foot candles or lux
f) " x10 ", " x10 0" Multiplication
factor (appears with high values)
g) Measurement
If the light strength exceeds the meter's measurement range,
"OL" appears on the display.
Using the product
Inserting the batteries
1. Remove the battery cover by sliding it in the direction of
the arrow and lifting it up.
2. Insert 3 × AAA/LR03 batteries. Check the markings in
the bottom of the battery compartment to make sure that
the polarity is correct.
3. Replace the battery cover.
1
Battery saving function (APO)
The meter automatically switches off 5 minutes after the last
button is pressed.
2
To switch the meter on without the battery saving function:
1. Check that the meter is switched off.
3 5
2. Press and hold [ HOLD/BL ] and then press [
"APO OFF" appears on the display.
4 6
Removing the screen protector
Remove the screen protector from the display.
a b c d
Responsible disposal
This symbol indicates that this product should not
be disposed of with general household waste. This
e
applies throughout the entire EU. In order to prevent
any harm to the environment or health hazards caused
by incorrect waste disposal, the product must be
handed in for recycling so that the material can be
f
disposed of in a responsible manner. When recycling
your product, take it to your local collection facility or contact the
g
place of purchase. They will ensure that the product is disposed
of in an environmentally sound manner.
English
].