Spectrodensitometer LDTR-T2010

Introduction

Spectrodensitometer features a wavelength pitch of 10nm, providing precise analysis by capturing spectral data at uniform intervals. The system includes a metamerism index calculation mode to detect color mismatches. It offers the polaroid filter option, delivering accurate measurement by minimizing the effect of gloss surface. Our spectrodensitometer has high data storage capacity, allowing for efficient measurement of large data.

This densitometer is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Spectrodensitometer is an instrument that measures the color and optical density of materials by analyzing their spectral reflectance. It is widely used in textile and dyeing industry for color matching and quality control of fabric and dyed products.

Specifications

Wavelength Pitch	10nm
Optical Geometry	45/0
Detector	256 Image Element Double Array Image Sensor
Wavelength Range	400 to 700 nm
Half Bandwidth	10nm
Measurement Aperture	Φ2mm, Φ4mm, Φ8mm
Color Spaces	, , Yxy, LCh, , Hunter
Color Difference Formula	ΔE × ab, ΔE × 94, ΔE × 00, ΔE × uv, ΔE × cmc (2:1), ΔE × cmc (1:1), ΔE (Hunter)
Other Calorimetric Index	WI ( E313, / , , Hunter) YI ( D1925, 313) MI
Measurement Conditions	M0 ( Light Source A) M1 ( Light Source D50) M2 (Excluding UV Light Source) M3 (M2 + Polarized Light Filter)
Viewing Angle	2 °/10°
Illuminant	A, C, D50, D55, D65, D75, F2(), F7(), F11(TL84), F12(TL83/U30), F1, F3, F4, F5, F6, F8, F9, F10(TLP5)
Measurement Time	1.5s
Repeatability	Density: Within 0.01 D Chromaticity Value: Within ΔE× ab 0.03
Inter- Instrument Error	Within ΔE× ab 0.18
Measurement Mode	2 to 99 times
Storage	20000 Pcs
Working Environment	Temperature: 0° C to 40° C Humidity: 0 to 85% Altitude: Less than 2000m
Storage Environment	Temperature: -20°C to 50° C Humidity: 0 to 85%
Dimension	184 × 77 × 105mm
Weight	600g

Features

 High Resolution Sensor

Advanced Grating Optics

Multi-Aperture Modes

Repeatable Color Accuracy

Spectral Reflectance Measurement

FAQs

1. How often should a Spectrodensitometer be recalibrated?

It supplies premium spectrodensitometer. Daily calibration is recommended for spectrodensitometers, especially in high-precision environments like printing or quality control. devices provide a white calibration tile or a black trap to ensure reflectance readings remain accurate over time. Factors such as temperature changes, ambient light, and aging light sources can cause drift in measurements, which calibration corrects. Some advanced models offer automatic reminders or even self-calibration features to streamline this process. Regular calibration ensures repeatable and traceable data and minimizes color variation or during critical decisions. Neglecting calibration can lead to color inconsistencies that may not be immediately visible but affect long-term reliability.

2. What role does aperture size play in Spectrodensitometer performance?

spectrodensitometer have various aperture size which determines the area of the sample that the spectrodensitometer analyzes. Smaller apertures (e.g., 2mm) are used for measuring fine details, small patches, or highly patterned materials. Larger apertures (e.g., 6mm or 8mm) average out surface variations and are better for textured or uneven substrates. Selecting the correct aperture is essential for consistent readings, particularly when measuring spot colors, gradients, or fabrics. Inconsistent aperture use can lead to color mismatches or inaccurate quality assessments. Some devices offer interchangeable apertures to accommodate different applications, which adds versatility for users working across varied materials or print formats.

3. How are Spectrodensitometers used in quality control processes?

advanced spectrodensitometers are used to verify that printed or manufactured products meet predefined color specifications. By comparing measured values against target standards, they help identify deviations early in the production process. Measurements may be taken at key stages-such as during prepress proofing, on-press sampling, or final product inspection. Tolerances are typically set using ?E or density thresholds, and any deviation can trigger corrective action. This data-driven approach ensures consistency across batches, minimizes rework, and maintains customer satisfaction. Spectrodensitometers are thus critical for enforcing quality standards in color-critical industries like packaging, fashion, and labeling.

4. Can Spectrodensitometers be used in real-time process control?

Yes, certain spectrodensitometers are integrated into automated systems for real-time process control on production lines. Inline or on-press spectrodensitometers continuously monitor printed output, detect color shifts, and feed data to control systems that adjust ink flow or press settings. This minimizes downtime and material waste while ensuring consistent output. Real-time systems are especially valuable in high-volume operations like newspaper printing, flexible packaging, or textiles, where manual sampling would be too slow. Integration with closed-loop color control ensures that color remains within tolerance throughout the print run, enhancing efficiency and reducing the need for manual correction.

5. How does ambient light affect Spectrodensitometer readings?

It supplies advanced spectrodensitometers. Ambient light can significantly interfere with spectrodensitometer measurements if the device is not properly shielded. Stray light entering the measurement aperture can skew reflectance or density values, leading to inaccurate color readings. devices include light-blocking features and recommend use in controlled lighting environments. Some portable models may offer dark enclosures or light traps to minimize these effects. However, consistent lighting conditions and sample handling practices are still crucial. For critical applications, using spectrodensitometers in a light-controlled room or enclosure ensures the most accurate and repeatable results, especially when comparing measurements across different time points or operators.

6. What industries benefit most from using Spectrodensitometers?

Spectrodensitometers are widely used across industries where color precision and quality control are critical. The printing and packaging industry relies heavily on them to ensure color consistency and alignment with brand standards. In textiles, they help match fabric colors during dyeing and finishing. The automotive and plastics industries use them to verify paint and coating colors. Cosmetics, pharmaceuticals, and food packaging benefit from accurate labeling and visual branding. Even museums and conservation labs use spectrodensitometers to monitor pigment fading and perform archival quality assessments. Their versatility makes them invaluable across any field where accurate, repeatable color evaluation is essential.