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LIGHTMETER

Digital Lightmeter
DLM 530

 

INTRODUCTION
This instrument is a portable and easy to use 3 1/2 digit, compact-sized digital lightmeter designed for simple one hand operation.The Meteprovides measurements in Lux units and features backlight LCD display, MAX-HOLD and DATA-HOLD facilites.
SPECIFICATIONS
GENERAL
Display : 3 1/2 digit liquid crystal (LCD) with maximum reading of 1999
Overrange : (OL) is display
Low battery indication : The " a.JPG (1053 個位元組) " is display when battery voltage drops below the operating level.
Measurement rate : 2.5 times per second, nominal.
Operating Environment : 0°C to 50°C at < 70% relative humidity
Storage Temperature : -20°C to 60°C, 0 to 80% R.H. with battery removed from meter.
Accuracy : Stated accuracy at 23°C to + 5°C, < 70% relative humidity
Analog Output : 0.1mV/counts Θ☉♁
Battery : 4 pcs 1.5V(AAA size) UM-4 R03.
Battery Life : 200 hours typical with carbon zinc battery                      
Dimensions : 170mm(H) x 44mm(W) x 40mm(D)
Weight : 220g including batteries
ELECTRICAL
Photometric Formulas : 10.764·footcandles= 1ux (lumens/meter²)
                                       0.0929·footcandels (lumens/foot²)
Range : 20lux, 200lux, 2,000lux, 200,000lux
Resolution : 0.01lux     
Spectral respones : CIE photopic
The CIE photopic curve is an international standard for the color respone of the average human eye
Acceptance angle : f '2< 2% cosine corrected (150°)
Total accuracy for CIE standard illuminant A (2856k) : +(3% rdg + 10 gts)
CIE standard illuminant A can be realised by means of CIE standard source A, which is defined as : A gsa-filled tungsten-filament lamp operating at a correlated color temperature of 2856k
Temperature Coefficient : 0.1 x (specified accuracy) / °C (<18°C or >28°C)

 


TECPEL CO., LTD

TAIPEI 110, TAIWAN, R.O.C.
E-MAIL:
sales@tecpel.com Web-site: http://www.tecpel.com
TEL:2-27375866 FAX:886-2-27373343