الوصف

” مقياس شدة انارة TECPEL
Digital Light meter DLM-531″ name
“PHOTOMETRIC FORMULAS: 1 footcandles = 10.764 Lux (lumens/meter2)
1 LUX (LUMENS/METER2): 0.0929 footcandles
RANGES: 20lux, 200lux, 2,000lux, 20,000lux ; 20fc, 200fc, 2000fc, 20,000fc
RESOLUTION: 0.01lux. ; 0.01 fc
SPECTRAL RESPONSE: CIE photopic
ACCEPTANCE ANGLE: f’2CIE photopic f’1 No Specified )
ACCEPTANCE ANGLE: Cosine Response:f’2Total Accuracy for CIE standard illuminat A(2856K) +/- (3% Reading + 10 digits)
TOTAL ACCURACY: for CIE standard illuminate A (2856K);(±3%rdg+10dgts)
SAMPLING RATE: 3 times/per second
POWER REQUIREMENT: 4 pieces 1.5V (AAA size) batteries
DIMENSIONS: 6.7″”””x1.7″”””x1.6″””” (170x44x40mm)
WEIGHT: 7.7 oz(220g)
ACCESSORIES: Test leads, soft carrying case, and owners manual.” spec
12 warranty months