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Type: Multi-function digital illuminance meter with detachable receptor head
Receptor: Silicon photocell
Relative spectral responsivity: Within 6% (f1´) of the CIE spectral luminous efficiency V (λ)
Cosine correction characteristics: Within 3%
Measuring range: Auto range (5 manual ranges at the time of analog output)
Measuring function: Illuminance (lx). illuminance difference (lx). illuminance ratio (%). integrated illuminance (lx-h). integration time (h). average illuminance (lx).
Measuring range:
Illuminance: 0.01 to 299,900 lx, 0.001 to 29,990 fcd
Integrated illuminance: 0.01 to 999,900 x 10^3 lx.h 0.001 to 99,990 x 10^3 fcd.h/0.001 to 9999 h
User calibration function: CCF (Color Correction Factor) setting function: Measurement value x 0.500 to 2.000
Linearity: ±2% +1 digit of displayed value
Temperature/humidity drift: Within ±3%
Measurement speed: 2 times/sec. (continuous measurement with 1 receptor head)
Computer interface: USB
Printer output: RS-232C
Analog output: 1 mV/digit, 3 V at maximum reading; Output impedance: 10 KX 90% response time: 28 ms
Display: 3 or 4 Significant-digit LCD with backlight illumination (Automatic illumination)
Power: 2 AA-size batteries/ AC adapter AC-A308 (optional; for 1 to 10 receptors) or AC adapter AC-A311 (optional; for 1 to 30 receptors)
Battery performance: 72 hours or longer (when alkaline batteries are used) in continuous measurement
Operation temperature /humidity range: -10 to 40°C, relative humidity 85% or less condensation
Size (W x D x H): Main body: 69 x 161.5 x 30 mm Receptor: 016.5 x 13.8 mm
