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For Color and Appearance

Measuring Instruments

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CR-310

Color Measurement

Specifications

Measuring Head Specifications

Receptors	6 silicon photocells (3 to measure source illumination, 3 to measure reflected light) filtered to detect primary stimulus values for red, green, and blue light
Spectral response	Closely matches CIE 1931 Standard Observer curves
Light Source	Pulsed xenon lamp
Illumination/measurement system	Wide-area illumination/ 0° viewing angle (specular component included)
Measuring area	50mm
Short-term repeatability	Chromaticity (x, y): Within 0.0002 Color difference Δ(E* ab): Standard deviation within 0.07 (Measurement conditions: White calibration plate measured 30 times at 10-second intervals)
Inter-instrument agreement	ΔE*ab within 0.8 (Measurement conditions : Comparison of average measured values of 13 BCRA Series \|\| color tiles to values measured with master body)
Temperature range	Operation: 0° to 40°C (32° to 104°F); Storage: -20 to 40°C(-4 to 104°F)
Humidity range	Less than 85% relative humidity at 35°C/95°F with no condensation
Dimensions	229 x 91 x 60mm (9 x 3-9/16 x 2-3/8 in.) Connecting cable: 1300 x 8.5mm (51-3/16 x 5/18 in.)
Weight	690g(24-3/8oz.)
Accessories Included	Calibration Plate CR-A44; Case Cr-A64

DP-301 Specifications

Measurement modes	Absolute and difference
Chromatic systems	absolute: CIE Yxy, Lab, LCh, and XYZ; Hunter Lab Difference: Δ (Yxy), Δ(Lab)/ ΔEab, Δ(LCh)/Δ E*ab, and Hunter Δ(Lab)/Δ E
Illuminant conditions	CIE Illuminant C or D65
Calibration channels	20; calibration channel 00 for primary standard(white calibration plate), channels 01 to19 for user-selected reference colors
Calibration functions	Multi-calibration: data in all calibration channels utilized to determine measured values Manual: Data in a single calibration channel selected by user utilized to determine measured values
Target-color channels	20; set by measurement or keyboard input
Data memory	Space for 300 sets of measurement data; space divisible into 20 pages; data remains in memory even if POWER switch is set to OFF
Display range	0.01 to 160% reflectance
Display	16 characters x 2 lines ; dot-matrix LCD with adjustable viewing angle
Printer	24-character thermal-dot
Statistical calculations	Maximum, minimum, mean, and standard deviation
Calendar/clock/timer	Data and time of first and last measurements on each memory page stored and printed out; timer intervals user-selectable from 3 sec. to 99 min.
Data input/output	RS-232C format, ASCII code; transmission rate: 4800 baud (selctable by service personnel: from 600 to 9600 baud for data output or from 600 to 4800 baud for data input); output voltage: CMOS 5V; RS-232C terminal uses DIN 8-pin connector
Other	High-repeatability multiple-measurement-averaging mode; remote-control socket; E ALARM output socket
Power source	6 AA-size alkaline-manganese or carbon-zinc (1.5V) or nickel-cadmium (1.2V) batteries, or included AC adapter connected to AC power source; memory equipped with built-in Ni-Cd battery
Battery performance	Alkaline-manganese: 690 measurements; Carbon-zinc: 280 measurements; Nickel-cadmium: 600 measurements(Measurement conditions: Primary standard measured in ABS. measuring mode at 10-second intervals with printout in one color space after each measurement)
Temperature range	Operation: 0 to 40°C (32 to 104°F) Storage: -20 to 40°C(-4 to 104°F)
Humidity range	Less than 85% relative humidity at 35°C/95°F with no condensation
Dimensions	50 x 220 x 200mm (2 x 8 11/16 x 7 7/8 in.)
Weight	1300g (45 7/8 oz.) without batteries
Accessories Included	AC Adapter (AC-A10 worldwide except N. America; AC-A10N in N. America); thermal paper (one roll); DIN 8-pin plug (1); 3.5mm(1/8 in.) subminiature plug(2)