Center 530 User manual

530
LIGHTMETER
CENTER TECHNOLOGY CORP.
4F, NO.415, Jung-Jeng Rd., Shu-Lin Dist., New Taipei City 238, Taiwan
E-Mail:[e-mail]
http://www.centertek.com GCA000530-12000
Safety Information
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Environment Conditions:
Introduction
Thank you for using our 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% (Calibrated to standard incandescent
lamp 2856°K)
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 level range: 0.0 to 199.9/1999/19990/199900 lx
0.0 to 19.9/199.9/1999/19990 fc
Automatic or manual selection of range
Resolution: 0.1 ~ 100 lx, 0.1 ~ 10 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. 185g
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
[Note] 1fc =10.76lx
Symbol Definition & Button Location
1. LCD Display:
MAX/MIN function
Large backlight LCD display
Range indicator
Battery capacity
indicator
Minimum value
indicator
Maximum value
indicator
Auto power off
indicator
Measuring value
Value hold
indicator
Unit indicator
Angledeviationfromcosine
characteristics
10° ± 1% 30° ± 2%
60° ± 5% 80° ± 20%

LCD display:
6 1/2" large size back light LCD display.
Power button:
Press button to turn on the meter and it will automatically turn itself
off 30 minutes after its last key operation. The user may disable this
automatic power off function by pressing and holding “ ” button
while powering on. The “ ” symbol will disappear to confirm this
operation.
Press button again to turn the meter off.
Max Min button:
Press button to set the meter working under MAX/MIN mode. By
pressing button, the user may swap the LCD reading among
maximum, minimum and current reading. Press and hold button for
3 seconds to exit Max/Min mode.
HOLD button:
The user may hold the present reading and keep it on the LCD display
by pressing the button. To release the held data operation, press
the button again.
Range selector button:
The user may use the button to select the preferred measuring
range or automatically selected by the meter.
The available ranges are:
AUTO, 200, 2000, 20000, 200000 lx
AUTO, 20, 200, 2000, 20000 fc
Fc/lx selector button:
Press button to switch the measuring unit between Foot Candle
and Lux.
Backlight button:
Press button to turn on the LCD back light and it will be auto-
matically off after 30 seconds.
2
2. Name of Parts & Position: Sensor Cap :
This parts is to protect the
sensor from scratching and
c r e a t e c o m p l e t e da r k
environment for the meter
to perform dark current
calibration. During power
on process, this cover
should be set properly on
the sensor otherwise an
error message w i l l be
shown on the LCD.
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4
5
6
7
8
9
10
Characteristics of Sensor spectrum response
Light Sensing Probe:
Battery cabinet cover:
When battery capacity segment is less than one, the user should
replace the battery. The battery cabinet cover can be opened with a
Philips screw driver and two AA type batteries should be installed.
This probe can be rotated various angles to the LCD surface to suit
the measuring requirement.
It can be also
detached from the
meter to measure
in distance, which
c r e a t e s m o r e
flexibility.
0.00
20.00
40.00
60.00
80.00
100.00
120.00
380 430 480 530 580 630 680 730
RelativeResponse(%)
Wavelength(nm)(%) CIE Photopic Curve Light Meter
* Operation:
Press the power button to turn on the power. Notice that covering the
light-detecting surface with the cap. “CAP-“ will auto-appear on the LCD
display. After “CAL-” appears, the meter enters the automatic zero
adjustment. When automatic zero adjustment is completed, “CAL-”
disappears and “0.0” appears. After confirming the “0.0” display, remove
the cap to start measuring.
After the measurement has been completed, press the power button
again to turn off the power, and cover the light-detecting surface with
the cap for protecting against stray light.
Note:
If “ERR1” appears, check the cap to make sure it is on properly.