เครื่องมือวัดแสง Digital Lux Meter DT-8809A

 Feature:

• Light-measuring levels ranging: 0.1Lux-0.1kLux/0.01FC-0.01kFC บันทึกข้อมูล Datalogger" src="http://backoffice.tarad.com/shop/e/eastern-energy/img-lib/spd_20110307200947_b.jpg" style="float: right; width: 229px; height: 241px" />
• High accuracy and rapid response
• Data-hold function for holding measuring values
• Unit and sign display for easy reading
• Automatic zeroing
• Meter corrected for spectral relative efficiency
• Correction factor need not be manually calculated for non-standard light sources
• Short rise and fall times
• Peak-hold function for tracing the peak signal of light pulse with least duration 10?s and keep it
• Capable of selecting measuring mode in Lux or FC scale alternatively
• Auto power off 15minutes or disable AUTO power off
• Maximum and minimum measurements
• Relative reading
• Easy to read large backlit display
• USB output connect with PC
• 4 levels ranging
• 99 values in memory that could be read on the meter
• More than 16,000 values records datalogger
 Specfication:
 

Display	3-3/4 digit LCD with high speed 40 segment Bar graph
Accuracy	± 5% ±10d(<10,000Lux)   ±10% ±10d(>10,000Lux)
Max Resolution	0.1Lux/0.01Fc
Max. Measurement	400,000 Lux, 40,000 FC
Spectral response	LCD will show "OL" symbol
Spectral response	CIE photopic (CIE human eye response curve)
Cosine Response	f2’ <2%
Repeatability	±3%
Sampling rate	1.3 times/sec of analog bar-graph indication; 1.3times/sec of digital display
Photo Detector Size  (LxWxH)	One Silicon photo diode and spectral response filter 115mm x 60mm x 27mm
Size Meter (LxWxH)	203mm x 75mm x  50mm
Weight	280g

 * Total accuracy: for C.I.E standard illuminate A(2856K)
 
Accessories:
• Gift box with carrying case, USB cable, CD, instruction manual
• 9V Battery

 

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