





PCE-CRM 40 Chroma MeterMeasurement range up to 150,000 lx / Measures correlated color temperature (CCT) / Standard chromaticity diagrams according to CIE 1931 and CIE 1976 / Indicates wavelength / Presents tristimulus and RGB values / Includes: USB interface, cable and PC software
With the chroma meter or spectrophotometer PCE-CRM 40, important photometric factors in the field of light measurement can be determined. These include the tristimulus values of XYZ, the u´ and v´ color location coordinates according to CIE 1976, and the xy color location coordinates according to CIE 1931. Moreover, further color statistics are measured as absolute values and differences. The user can determine the dominant wavelength within the sensitivity range of the spectrophotometer, which is 360 … 780 nm, as well as the color density (Pe) and the correlated color temperature (CCT) in Kelvin.
Features:
- Measurement of color temperature
- Lux measurement up to 150 kLux
- Representation of Tristimulus and RGB
- Ideal for LEDs
- SD memory
- Color LCD
Includes:
- 1 x Chroma Meter PCE-CRM 40
- 1 x USB power adapter
- 1 x USB cable
- 1 x Luminance attachment
- 1 x USB stick
- 1 x Belt bag
- 1 x Carrying strap
- 1 x Carrying case
- 1 x User manual

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Measurement functions | Tristimulus values: XYZ Chromaticity: Ev xy, Ev u'v' Correlated color temperature: Tc Color difference: Δ (XYZ), Δ (Evxy ), Δ (Evuv ), ΔE v ΔTc Δuv Chromaticity coordinates: ICE1931 (x, y), ICE1976 (u, v) Dominant wavelength: λd Color fastness: Pe Luminous flux: Φ, RGB parameter, color 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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