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Type: Multi-function digital illuminance meter with detachable receptor head (Multi-point measurements of 2 to 30 points is possible)
Receptor: Silicon photocell
Relative spectral response: Within 6% (f1´) of the CIE spectral luminous efficiency V (ƛ)
Cosine response (f2): Within 3%
Measuring range: Auto range (5 manual ranges at the time of analog output)
Measuring function: Illuminance (lx). Illuminance difference (lx). Illuminance ratio (%). Integratedilluminance (lx·h). integration time (h). average illuminance (lx).
Measuring range:
Illuminance: 0.01 to 299,900 lx; 0.001 to 29,990 fcd
Integratedilluminance: 0.01 to 999,900 x 103 lx·h 0.001 to 99,990 x 10*3 fcd·h / 0.001 to 9999 h
Linearity: ±2% ±1 digit of displayed value
Temperature/ humidity drift: Within ±3%
Digital output: USB
Analog output: 1 mV/digit, 3 V at maximum reading; Output impedance: 10 K Ω; 90% response time: 28 ms
Display: 3 or 4 Significant-digit LCD with backlight illumination (Automatic illumination)
Power source: 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 life: 72 hours or longer (when alkaline batteries are used) in continuous measurement
