Farvemåler PTA-CRM 40

PTA-CRM 40 er en transportabel håndholdt farvemåler eller spektrofotometer som anvendes til præcist at måle den korrelerede farvetemperatur (CCT – i Kelvin), belysningsstyrke, kromaticitet, excitationsrenhed (Pe), lysflow (i lumens – lm), RGB and dominerende bølgelængde fra lyskilder, som fx LED, organisk LED (OLED) og andre former for  organisk elektroluminescens (EL).

– Målingsområde: 0.1 … 150,000 lux / 0.01 … 15,000 foot-candle
– Spektral bølgelængde range: 360 … 780 nm
– Skærm: 3.2″ farve-LCD
– Kromaticitet: Ev xy, Ev u’v’

 

TEKNISKE SPECIFIKATIONER

Measurement functions	Tristimulus values: XYZ Chromaticity: Ev xy, Ev u’v’ Correlated colour temperature: Tc Colour difference: Δ (XYZ), Δ (Evxy ), Δ (Evuv ), ΔE v ΔTc Δuv Chromaticity coordinates: ICE1931 (x, y), ICE1976 (u, v) Dominant wavelength: λd Colour fastness: Pe Luminous flux: Φ, RGB parameter, colour chart, maximum recording and indicator
Measuring range	0.1 … 150,000 lx 0.01 … 15000 fcd Ev: 5 lx / 0.5 fcd or above in four automatically selected ranges (lx or fcd is switchable)
Spectral range	360 … 780 nm
Relative spectral sensitivity	Based on CIE standard X (λ), y (λ), and Z (λ), deviation within 6% (f1 ‘) of CIE spectral luminous efficiency V (λ)
Cosine correction	Ev: < 3% (f2)
Accuracy	Ev : ± 5 % ± 1 digit of displayed value Xy: ± 0.003 lx (at 500 lx, standard A)
Repeatability	Ev : ± 0.5% + 1 digit (2σ) xy: ± 0.0005 (measured at 500 lx, standard A)
Temperature drift	Ev : ± 3% ± 1 digit of the indicated value xy: + -0.003
Response time	0.5 second (for continuous measurement)
Sensor type	Silicon photocell
Interface	USB Slot for SD card
Display	3.2″ color LCD
Operating conditions	-10 … 40°C / 14 … 10°F <85% RH
Storage conditions	-20 … 40°C / -4 … 104°F <85% RH
Power supply	2200-mAh rechargeable lithium-ion battery
Battery life	Min. 12 hours
Dimensions	210 x 80 x 35 mm / 8.2 x 3.1 x 1.37 in
Weight	300 g / < 1 lb including battery

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