second-handSpectrophotometer CM-5
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CM-5 Spectrophotometer
The CM-5 Spectrophotometer, a stand-alone, top-port color measuring instrument, is bench-top spectrophotometer with a large LCD screen and onboard software which eliminates the need for a separate computer. Color plots, as well as graphical and numerical data are displayed on the screen. The Operation Wizard, included with the unit, guides the user through the measurement process. Select Automatic Calibration to perform calibration every time the unit is turned on. Not only can the unit measure both transmittance and reflectance, but the user can can designate PASS/FAIL tolerances for each measurement as well.
It’s no problem to measure samples in many forms such as pellets, solids, gelatins, powders, and pastes with the CM-5 and it’s accessories, and that includes opaque, transparent, and translucent liquids. The CM-5 Spectrophotometer has the ability to take measurements for the chemical and pharmaceutical industries according to several standard indices: Gardner, Hazen/APHA, Iodine Color Number, US Pharmacopeia, and European Pharmacopoeia. The CM-5 can store and later recall settings for multiple-user situations,using USB memory sticks, or store data on USB memory sticks for computer analysis later. If a user need a more advanced analysis of data, the CM-5 Spectrophotometer can be connected to a PC with color software.
| Model | CM-5 |
|---|---|
| Illumination / observation system |
Reflectance:
di:8°, de:8° (diffuse illumination: 8° viewing) Transmittance: di:0°, de:0° (diffuse illumination: 0° viewing) |
| Integrating Sphere Size | Φ152 mm |
| Detector | Dual 40-element silicon photodiode arrays |
| Spectral separation device | Planar diffraction grating |
| Wavelength range | 360nm to 740nm |
| Wavelength pitch | 10 nm |
| Half bandwidth | Approx. 10nm |
| Measurement range | 0 to 175 % (Reflectance or transmittance); Output/display resolution: 0.01% |
| Light source | Pulsed xenon lamp |
| Measurement time | Approx. 1 s (to data display/output); Minimum measurement interval: Approx. 3 s |
| Measurement/illumination area |
Reflectance:
Changeable by changing mask and settings. LAV: Φ30 mm/Φ36 mm; MAV (optional): Φ8 mm/Φ11 mm; SAV (optional): Φ3 mm/Φ6 mm Transmittance: Φ26 mm |
| Repeatability |
Spectral reflectance: Standard deviation within 0.1% (400 nm to 740 nm) Chromaticity value: Standard deviation within ΔE*ab 0.04 * When a white calibration plate is measured 30 times at 10-second intervals after white calibration |
| Inter-Instrument Agreement |
Within ΔE*ab 0.15 (Typical) (LAV/SCI) (Based on 12 BCRA Series II color tiles compared to values measured with a master body under Japan standard conditions) |
| Transmittance chamber |
No sides (unlimited sample length); Depth (maximum sample thickness): 60 mm Sample holders (optional) for holding sheet samples or containers of liquid samples can be installed/removed |
| Display | 5.7-inch TFT color LCD |
| Display languages | English, Japanese, German, French, Italian, Spanish, Simplified Chinese, Portuguese |
| Operating temperature/humidity range | 13 to 33°C, relative humidity 80% or less with no condensation |
| White/100% calibration |
Automatic white (reflectance)/100% (transmittance) calibration using internal white calibration plate (Not applicable to 100% calibration when using cells for transmittance measurements of liquids.) |
| Interfaces | USB 1.1 (Connection to PC; USB memory stick); RS-232C standard (Connection to serial printer) |
| Observer | 2° Standard Observer or 10° Standard Observer |
| Illuminant | A, C, D50, D65, F2, F6, F7, F8, F10, F11, F12, ID50, ID65 (simultaneous evaluation with two light sources possible) |
| Displayed data | Spectral values/graph (reflectance, transmittance, absorbance), colorimetric values/graph, color-difference values/graph, pass/fail judgment, pseudo color, color assessment |
| Color space | L*a*b*, L*C*h, Hunter Lab, Yxy, XYZ, Munsell, and color differences in these spaces (except for Munsell) |
| Index |
Reflectance:
MI; WI (ASTM E 313-73, ASTM E 313-96); YI (ASTM E 313-73, ASTM E 313-96, ASTM D 1925); Transmittance: Gardner; Iodine Color Number; Hazen/APHA; European Pharmacopoeia; US Pharmacopeia |
| User index | User-defined index |
| Color-difference equation | ΔE*ab (CIE 1976), ΔE*94 (CIE 1994), ΔE00 (CIE 2000), ΔE (Hunter), CMC (l: c) |
| Pass/fail judgment | Tolerances can be set to colorimetric values (except Munsell), color-difference values, or reflectance index values |
| Storable data | Measurement data: 4,000 measurements; Target color data: 1,000 measurements |
| USB memory stick* storage |
Storage of measurement data and target color data. Storage/reading of measurement condition settings * Security-enabled USB memory sticks cannot be used. |
| Power | AC 100 to 240 V, 50/60 Hz (using exclusive AC adapter) |
| Size |
Slide cover closed: 385 (W) × 192 (H) × 261 (D) mm Slide cover open: 475 (W) × 192 (H) × 261 (D) mm |
| Weight | Approx. 5.8 kg |
| Operating temperature/humidity range | 13 to 33°C, relative humidity 80 % or less (at 35°C) with no condensation |
| Storage temperature/ humidity range | 0 to 40°C, relative humidity 80 % or less (at 35°C) with no condensation |
