3nh TS7600 Grating Spectrophotometer

The 3nh TS7600 Grating Spectrophotometer is a high-performance portable colour measurement instrument designed for precise colour measurement, colour difference analysis and quality control.

Built around a 1000-line precision blazed grating, dual optical path system and silicon photodiode array detector, the TS7600 provides high-resolution spectral measurement across the visible wavelength range. It is suitable for demanding colour matching and quality control applications in plastics, coatings, inks, printing, textiles, automotive, cosmetics, medical products, ceramics, laboratories and other industries.

The instrument features D/8 optical geometry, a full-spectrum LED light source, camera positioning, a 3.5-inch capacitive colour touchscreen and extensive colour measurement functions.

Key Features

• High-performance grating spectrophotometer
• 1000-line precision blazed grating
• Dual optical path system
• D/8 optical geometry
• SCI and SCE measurement modes
• 360 to 700 nm wavelength range
• 10 nm wavelength interval
• Optical resolution less than 10 nm
• Combined full-spectrum LED light source
• Silicon photodiode array detector
• Measures reflectance from 0 to 200%
• 2° and 10° standard observer angles
• Multiple colour spaces and colour difference formulas
• Multiple standard illuminants
• Camera positioning for accurate measurement placement
• Stabiliser cross positioning
• 3.5-inch TFT colour touchscreen
• PASS / FAIL colour assessment
• Spectral graph and colour difference display
• USB and Bluetooth connectivity
• PC and mobile software support
• Up to 20,000 sample records
• Rechargeable lithium-ion battery
• Approx. 600 g portable design

Optical System

Optical Geometry: D/8

Measurement Modes: SCI and SCE

Integrating Sphere: Ø40 mm

Spectrophotometric System: Flat grating

Grating: 1000-line precision blazed grating

Detector: Silicon photodiode array, double-row 40 groups

Light Source: Combined full-spectrum LED

Wavelength Range: 360 to 700 nm

Wavelength Interval: 10 nm

Spectral Bandwidth: 10 nm

Optical Resolution: Less than 10 nm in the visible range

Measured Reflectance Range: 0 to 200%

The optical design allows SCI and SCE spectral measurements to be obtained using the instrument's dual optical path system.

Measuring Aperture

The TS7600 is configured with one customised measuring aperture.

MAV: Ø8 mm / Ø10 mm

SAV: Ø4 mm / Ø5 mm

The flat and tip-type measuring configurations allow the instrument to be adapted to different sample shapes and measurement applications.

Colour Spaces

Supported colour spaces include:

• CIE Lab
• XYZ
• Yxy
• LCh
• CIE LUV
• s-RGB
• Hunter Lab
• βxy
• DIN Lab99
• Munsell C/2

Colour Difference Formulas

The TS7600 supports multiple colour difference calculations including:

• ΔE*ab
• ΔE*uv
• ΔE*94
• ΔE*cmc (2:1)
• ΔE*cmc (1:1)
• ΔE*00
• DIN ΔE99
• ΔE Hunter

Additional Colour and Appearance Indices

Depending on the measurement configuration and software functions, the TS7600 supports a broad range of colour and appearance indices including:

• Spectral reflectance
• Whiteness
• Yellowness
• Metamerism index
• Staining fastness
• Colour fastness to light
• Colour strength
• Opacity
• 8-degree gloss
• 555 hue classification
• Blackness
• Colour density
• Munsell
• Melanin Index
• Erythema Index

Some advanced functions are performed through the host computer software.

Observer Angles

• 2°
• 10°

Illuminants

The TS7600 supports a large selection of standard and LED illuminants, including:

A, C, D50, D55, D65, D75, F-series illuminants, CWF, DLF, TL-series, U30, B, U35, NBF, ID50, ID65 and multiple LED light sources.

Up to 41 light source options are supported, with some functions available through the host computer or application software.

Measurement Display

Measurement information can include:

• Spectrogram
• Measurement values
• Sample chromaticity values
• Colour difference values
• Colour difference graphs
• PASS / FAIL results
• Colour offset

Measurement Performance

Typical Measuring Time: Approx. 1.5 seconds

SCI & SCE Measurement: Approx. 3.2 seconds

Spectral Reflectance Repeatability: Standard deviation within 0.1% over 400 to 700 nm, within 0.2%

Chromaticity Repeatability: MAV / SCI within ΔE*ab 0.04 under the specified white calibration repeatability test

Inter-Instrument Agreement: MAV / SCI within ΔE*ab 0.2 average based on 12 BCRA Series II colour tiles

Measurement Modes: Single measurement and average measurement

Average Measurement: 2 to 99 measurements

Camera Positioning

The integrated camera positioning system allows the operator to accurately locate the measurement area before taking a reading.

A stabiliser cross-positioning system further assists with repeatable placement on the sample.

Data Storage and Connectivity

Standard Storage: 1,000 records

Expanded Sample Storage: Up to 20,000 records

Data Interfaces:

• USB
• Bluetooth

Software Support

Software/platform support includes:

• Windows
• Android
• iOS
• WeChat Mini Program
• HarmonyOS

PC software provides additional colour management, data analysis and measurement functions.

Display

Display: 3.5-inch TFT colour LCD

Interface: Capacitive touchscreen

The colour screen provides direct access to measurement values, spectral information and colour difference results.

Battery

Battery Type: Rechargeable Li-ion battery

Battery Voltage: 3.7 V

Battery Capacity: 5000 mAh

Measurement Capacity: Up to approximately 6000 measurements within 8 hours

Light Source Life

Expected Life: Approx. 5 years or more than 3 million measurements

Dimensions and Weight

Dimensions: 129 × 76 × 217 mm

Weight: Approx. 600 g

Operating Environment

Operating Temperature: 0 to 40°C

Operating Humidity: 0 to 85% RH, non-condensing

Maximum Operating Altitude: Less than 2000 m

Storage Temperature: -20 to 50°C

Storage Humidity: 0 to 85% RH, non-condensing

Standards

The manufacturer's datasheet lists the D/8 optical system against standards including:

• CIE No.15
• GB/T 3978
• GB 2893
• GB/T 18833
• ISO 7724-1
• ASTM E1164
• DIN 5033 Teil 7

Typical Applications

The TS7600 is suitable for colour measurement and quality control across applications including:

• Plastics
• Paint and coatings
• Inks
• Printing
• Paper
• Textile and garment production
• Automotive
• Electronics
• Ceramics
• Cosmetics
• Medical products
• Food products
• Scientific research
• Laboratories
• Colour matching
• Incoming material inspection
• Production quality control
• Colour management

Standard Accessories

• Power adapter
• User guide
• PC software download
• USB cable
• White calibration cavity
• Black calibration cavity
• Protective cover
• Wrist strap
• One selected measuring aperture

Optional Accessories

• Micro printer
• Powder test box
• Multifunctional test assembly
• Placing base

The powder test box assists with measurement of powdered samples, while the multifunctional test assembly can be used with liquids, reagents, sauces, powders and other difficult-to-position samples.