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Measuring Instruments

Featuring a d/8 optical system (diffused illumination; 8° viewing) compliant with ISO, DIN, and JIS, the CM-3700d provides a wide range of measurement functions and supports many different applications.
| Illuminating/viewing system | d/8 (diffused illumination; 8° viewing angle); SCI (specular component included)/SCE (specular component excluded) switchable; meets ISO and DIN standards for d/8 geometry; also meets CIE and ASTM standards for d/0 geometry. Transmittance: d/0 (diffuse illumination/0° viewing angle) |
|---|---|
| Detector | Silicon photodiode array with flat holographic grating |
| Wavelength range | 360nm to 740nm |
| Wavelength pitch | 10nm |
| Half bandwidth | Approximately 14nm average |
| Photometric range | 0 to 200%; Resolution: 0.001% |
| Light source | Pulsed xenon arc lamp |
| Measurement time | 0.6 to 0.8 sec. (to start of data output) |
| Illumination/measurement areas | Reflectance: Changeable between LAV, MAV, and SAV LAV: Φ28mm illumination/Φ25.4mm measurement MAV: Φ 11mm illumination/Φ8mm measurement SAV: 5 × 7mm illumination/3 × 5mm measurement Transmittance: Approx. Φ20mm |
| Repeatability | When white calibration plate is measured 30 times at 10-sec. intervals after white calibration has been performed: ; Spectral reflectance: Standard deviation within 0.05% Chromaticity: Standard deviation within ΔE*ab 0.005 When black tile (BCRA Series II; reflectance: 1%) is measured 30 times at 10-sec. intervals after white calibration has been performed: Spectral reflectance: 380 to 740nm: Standard deviation within 0.02% 360 and 370nm: Standard deviation within 0.04% Chromaticity: Standard deviation within ΔE*ab 0.05 |
| Inter-instrument agreement (LAV) | Mean ΔE*ab 0.08 (typical) Average for 12 BCRA Series II color tiles. Max ΔE*ab 0.3 (corresponds to ΔEcmc 0.2) for any of 12 BCRA Series II color tiles compared to values measured with master body |
| Temperature drift | Spectral reflectance: Within ±0.10%/°C Color difference: Within ΔE*ab 0.05/°C |
| UV adjustment | Computer controlled; continuously variable |
| Specimen conditions for transmittance measurements | Sheet, plate, or liquid form up to a maximum thickness of approximately 50mm |
| Interface | RS-232C standard; baud rates: 12,00, 2400, 4800, or 9600 |
| Power | AC 100V/120V/230V 50/60Hz (using included AC adapter) |
| Operating temperature/humidity range | 13 to 33°C, relative humidity 80% or less with no condensation |
| Storage temperature/humidity range | 0 to 40°C, relative humidity 80% or less with no condensation |
| Dimensions (W × H × D) | 271 × 259 × 500mm (10-11/16 × 10-3/16 × 19-11/16 in.) |
| Weight | 18kg (39.7 lb.) |
| Standard accessories | White Calibration Plate; Target Mask (3 × 5mm); Target Mask (Φ8mm); Target Mask (Φ25.4mm); Zero Calibration Box; AC Adapter; RS-232C Cable (2m/6.6 ft., 9-pin, for IBM PC); Accessory Case CM-66 |
| Optional accessories | Color Data Software SpectraMagic NX; Transmittance Specimen Holder; Glass Cells (2mm, 10mm, 20mm); Plastic Cells (2mm, 10mm, 20mm); Transmittance Zero Calibration Plate; Color Tiles; RS-232C Cable (for IBM PC) |
Specifications are subject to change without notice.