531
LEDLIGHTMETER
CENTER TECHNOLOGY CORP.
4F, NO.415, Jung-Jeng Rd., Shu-Lin Dist., New Taipei City 238, Taiwan
E-Mail:center@centertek.com
http://www.centertek.com
GCA000531-12000
Safety Information
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Environment Conditions:
Introduction
Thank you for using our LED Light Meter. To ensure that you can get the
most from it, we recommend that you read and follow the manual carefully
before use. The Light Meter has been designed, manufactured, and
delivered under strict quality control criteria by a factory certified. This
meter has the following characteristic.
Read the following safety information carefully before attempting to operate
or service the meter.
Use the meter only as specified in this manual ; otherwise, the protection
provided by the meter may be impaired.
Ÿ Altitude up to 2000 meters
Ÿ Relatively humidity 90% max.
Ÿ Operation Ambient 0 ~ 40°C
Explanation of Symbols:
Comply with EMC.
When servicing, use only specified replacement parts.
Storage Temperature:
Dimension / Weight:
Accessories:
169(L)×63(W)×37(H)mm (6.7”×2.5”×1.5”)
Battery, instruction manual, carrying case.
-10 to 50°C (14 to 122°F)
Accuracy: ±3% rdg ±5 dgts (Standard A light source)
8% other visible light source
Temperature characteristics:
Response time:
0.5 sec
Light detector: SI Photodiode
Operation temperature:
0°C ~ 40°C(32°F ~ 104°F)
Operation humidity: 0~80% RH
Storage Humidity:
0 to 70% RH
Specifications
Measuring range: 0.0 to 199.9/1999/19990/199900 lx
0.00 to 19.99/199.9/1999/19990 fc
Automatic or manual selection of range
Resolution: 0.1 lx, 0.01 fc
Easy to use
Automatic zero
Automatic ranging
±0.1% / °C(25°C)
Over range: “-OL-” display
Power supply: 1.5V type AA battery x2
Power life: Approx. 80 hours
Weight:
Approx. 210g
Repairs or servicing not covered in this manual should only be performed
by qualified personal.
Attention!
Periodically wipe the case with a dry cloth. Do not use abrasives or
solvents on this instrument.
Cleaning
Maintenance
Operating carefully, and do not drop the meter or hit it with a hard object.
Avoid using the meter in a dirty, dusty, or salt-air area or where there are
corrosive gases. If dirt or dust adhered to the surface of the detecting light,
will decrease accuracy of the measuring value to clean the surface by
wiping with a soft and dry cloth.
Precautions on handling
Symbol Definition & Button Location
1. LCD Display:
MAX/MIN function build in
Large backlight LCD display
Range indicator
Battery capacity
indicator
Minimum value
indicator
Maximum value
indicator
Auto power off
indicator
Illumination value
Set light source
mode indicator
Illumination Unit
indicator
Angledeviationfromcosine
characteristics
10° ± 1% 30° ± 2%
60° ± 5% 80° ± 20%
Value hold
indicator
Light source
correction value
choice indicator
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