The Elrepho 070 spectrophotometer (whiteness colorimeter) is a high-precision measuring instrument designed specifically for the paper industry, capable of quickly and accurately measuring the color, brightness, opacity, and whiteness of materials such as paper and cardboard.
Elrepho 070 Whiteness Meter
The Elrepho 070 spectrophotometer (whiteness colorimeter) is a high-precision measuring instrument designed specifically for the paper industry, capable of quickly and accurately measuring the color, brightness, opacity, and whiteness of materials such as paper and cardboard. Its measurement complies with multiple international standards and has traceable calibration capabilities. The software interface is user-friendly, supports automated measurement and data analysis, and can generate various charts and reports to meet user needs. In addition, the instrument also supports residual ink testing and other functions, ensuring the comprehensiveness and accuracy of the measurement.
Elrepho, 070 type spectrophotometer (whiteness colorimeter)
Elrepho - able to measure colors quickly and accurately
Elrepho is the paper industry's own spectrophotometer. It can measure the color, brightness, opacity, and whiteness of paper, cardboard, pulp, coated ink, and loose leaf paper. Its measurement process complies with the requirements of commonly used optical measurement standards, such as SCAN, DIN, ISO, TAPPI, CPPA, and AFNOR. Some important details such as cut-off filters and measuring aperture comply with the requirements of ISO2469. This instrument should be equipped with a measuring platform and user-friendly software, so its operation is very simple.
EASY TO USE
For the convenience of rapid testing, the L&W Color Brightness software has not only been optimized to the maximum extent, but also has an interface that is very conducive to user identification, measurement, and report generation. Levels with defined and target values can be set according to requirements. This software can display most of the optical characteristics. At the same time, calculations can also be performed to meet the needs of users.
Calibration function that can be tracked
Elrepho comes with a calibration function that can be tracked, based on ISO's photometric calibration hierarchy and UV calibration levels C and 65D. It also includes an operating standard and a delivery certificate. This software has an easy to check calibration function or the ability to create a new calibration when necessary. It can store a large amount of reference materials and operating standards with target values.
Simple measurement sequence
The software will automatically measure based on user specified conditions, such as D65 light source, C light source, or 420 nm cut-off filter. Just press the button to complete all the work.
Simply use the simple copy and paste function to copy the measurement results to other programs. Another way is to store the data in a document compatible with Excel. The characteristics of the sample can be restored from other databases (or the measurement results can be sent to other databases) by using standard commands and tools.
graphic display
This program has the feature of displaying results graphically through various methods. Trend charts can be used for long-term monitoring of production processes, while L * a * b * charts display the color coordinates of a series of samples. The reflectance curve provides important information about sample staining and fluorescence.
Residual ink test
System improvement
The delivered goods include an Elrepho spectrophotometer, L&W Color Brightness software PC、 Essential accessories for printers and checking calibration functions. The standard version of Elrepho has a measuring table for rapid sample processing, but a version without a measuring table can also be provided.
| measurement | |
| Range of photometric measurement | 0 – 200 % |
| reproducibility | <0.01 E units on CIELAB white ceramics |
| reproducibility | <0.25 units on CIELAB NCS color samples |
| instrument | |
| spectral range | 360 – 700 nm |
| Report Scope | 400 – 700 nm （360 – 700 nm） |
| Measuring geometric shapes | d/0o， According to ISO 2469 |
| Measuring principle | SP 2000 dual beam monochromator with 2 x 256 diodes at 2nm intervals |
| aperture | The standard is 34 mm. It can also be used with 9 mm or 6.6 mm. It can automatically focus on areas with diameters of 30 mm, 5 mm, or 2.5 mm. There is also a test area with a diameter of 16mm and an 18mm aperture |
| bandwidth | 10 nm |
| light source | D65 filtered pulsed xenon lamp |
| measure time | 4-20 seconds, depending on the type of measurement. |
| filter | 395 and 420 nm, automatically selected from the program. |
| UV level | D65 and C are automatically selected from the program after calibration. |
| software | |
| operating system | Microsoft Windows |
| user program | L&W Color Brightness measurement program specifically developed for Elrepho. |
| function | View, control, identify, measure, report, and output data. |
| Accessibility | Calibration, calibration control, level setting, calculation characteristics. |
| Light source/observer | D65/10o, C/2o, A/10o, D50/2o, T11/10o |
| calibration | The commands for photometer and UV calibration can store calibration and operating standards with target values. |
| data output | L&W Autoline and compatibility with Excel |
| Table report | test report |
| Graphic Reports | Reflectance factor, opacity, scattering absorption, trend L*-a*-b* |
| feature | Each is X, Y, Z, L *, a *, b *, x, y, Rx, Ry, Rz, CIE whiteness/color-D65; C、 Fluorescence, ISO brightness, D65 brightness, yellow, opacity, transparency, K/N-value IE、 Residual ink DW、pe、s、k、sR457、kR457、 Heterogeneity, E and others |
| PC | PC 1.2 GHz or above, Windows operating system, 17 inch display screen |
| printer | Laser printer or inkjet printer |
| Installation requirements | |
| power | 400 W |
| Instrument pressure | >0.5 MPa (70 psi) is not suitable for 070 |
| Air Consumption | 0.2 m3/h （0.1 ft3/min）NTP is not applicable to 070 |
| The size of the instrument | 0.4 x 0.5 x 0.6 m(16 x 20 x 24 inches) |
| volume | 0.4 m3 (14 cubic feet) |
| Net weight | 26 kg (57 pounds) |
| gross weight | 50 kg (110 pounds) |
Due to its precision and long lifespan, Lorentzen&Wettre's equipment ensures fast measurements according to standards.
Applicable standard：
CPPA E1, E2, DIN 53 145/53 146/53 147/54 500, ISO 2469/2470/2471/5631/
9416/11 475/11 476, SCAN G5/P 3*/P 8*/P 66*/P 71*/P 72, TAPPI T 519/525/
527/560 (*=cancelled)
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