Specifications

Measuring Instruments

CM-3500d

Spectrophotometer (spectral type, top port)

Highly accurate benchtop instrument which can be controlled from a computer using Windows software

Specifications

Principal Specifications CM-3500d

Illuminating/viewing system	Reflectance: d:8° (diffuse illumination/8° viewing angle); SCI (di:8° specular component included)/SCE (de:8° specular component excluded) switchable; meets IS0 and DIN standards for d:8° geometry; also meets CIE and ASTM standards for d:8° geometry. Transmittance: d: 0° (diffuse illumination/0° viewing angle)
Detector	Dual 18-element silicon photodiode array with wedge-shaped continuous interference filter
Wavelength range	400 to 700 nm
Wavelength pitch	20 nm
Half bandwidth	Approx. 20 nm average
Photometric range	0 to 175%; Resolution: 0.01%
Light source	Pulsed xenon arc lamp
Measurement time	Approximately 2.5 sec. (to start of data output)
Minimum interval between measurements	3 sec.
Measurement/illumination diameters	Reflectance: Changeable between LAV and MAV LAV: Ø 30 mm measurement / Ø 36 mm illumination MAV: Ø 8 mm measurement / Ø 11 mm illumination Transmittance: Approx. Ø 22 mm
Repeatability	When white calibration plate is measured 30 times at 10-sec. intervals after white calibration has been performed: Spectral reflectance: Standard deviation within 0.20% Chromaticity: Standard deviation within ΔE*ab 0.05
Inter-instrument agreement	Mean ΔE*ab 0.15 (typical) Average for 12 BCRA Series II color tiles compared to values measured with standard body
Temperature drift	Spectral reflectance: Within ±0.30%/°C Color difference: Within ΔE*ab 0.05/°C
Interface	RS-232C standard
Power	AC 100V - 240V 50/60Hz (using included AC adapter)
Operating temperature/humidity range	0 - 40°C, relative humidity 85% or less (at 35°C) with no condensation
Storage temperature/humidity range	-20 - 45°C, relative humidity 85% or less (at 35°C) with no condensation
Dimensions (W × H × D)	413 × 190 × 240 mm
Weight	10 kg
Standard accessories	White Calibration Plate CM-A120; Target Mask (Ø 8 mm) CM-A122; Target Mask (Ø 30 mm) CM-A123; Zero Calibration Box CM-A124; Carrying Case CM-A67; AC Adapter ; RS-232C Cable IF-A12 (2 m)
Optional accessories	Color Data Software SpectraMagic ™ NX; CM-A96 Transmittance Specimen Holder; Cells CM-A97 (2 mm), CM-A98 (10 mm), CM-A99 (20 mm); Plastic Cells CM-A130 (2 mm), CM-A131 (10 mm), CM-A132 (20 mm); Transmittance Zero Calibration Plate CM-A100; Sample Viewing Mirror CM-A125; Color Tiles; RS-232C Cable IF-A13 (5 m)