SpectraTrend HT

SpectraTrend HT takes non-contact color measurement to the highest levels, combining versatility, simplicity and performance in one easy to use compact 0/30 design.


Real-time process color monitoring. Non-Contact color measurement.

SpectraTrend HT supports implementation of today’s Total Quality Management programs such as LQM, PAT, Six Sigma, DMAIC, and others that share a common goal of producing consistent product quality and reducing waste. SpectraTrend HT utilization can facilitate continuous monitoring of product Height to enhance Good Manufacturing Practices (GMPs) within their enterprise, reduce risk of color quality variation and associated costs through real-time process color monitoring and enhance consistency and predictability of their quality assurance approach.

Explore all the additional features and benefits below.

Product Specifications

Measurement Principle: Dual-beam in-line/in-process spectrophotometer

Geometry: 0°/ 30° typical

Spectrophotometer: Sealed optics; 256-element diode array; high resolution concave holographic grating

View Diameter: 25.4 mm (1 in) (at 3.5-inch from sensor window)

Specular Component: Excluded

Spectral Range: 400 nm – 700 nm

Spectral Resolution: < 3 nm

Effective Bandwidth: 10 nm equivalent triangular

Reporting Interval: 10 nm

Photometric Range: 0 to 150 %

Light Source: Full spectrum, balanced solid state LED system

Flashes per Measurement: 5-6 flashes

Lamp Life: 5 years typical

Minimum Interval between Measurements: 1 second

Height Resolution: 1 mm or 0.1 in

Working Range: 65 mm – 115 mm (2.5 in. – 4.5 in.)

Inter-Instrument Agreement:

  • ∆E*< 0.30 CIE L*a*b* (Avg) on BCRA II Tile Set

Colorimetric Repeatability (20 Readings): ∆E*< 0.05 (Max)/0.03 (Avg) CIE L*a*b* on white tile

Data Views: Color Data, Color Difference Data, Tristimulus Color Plot, Spectral Data, Spectral Difference Data, Spectral Plot, Spectral Difference Plot

Other Features: Pass/Fail, Average Multiple Readings

Illuminants: A, C, D50, D55, D65, D75, F2, F7, F11

Observers: 2° and 10°

Color Scales: CIE L*a*b*, Hunter Lab, CIE L*C*h, CIE Yxy, CIE XYZ

Color Difference Scales: ∆L*a*b*, ∆Lab, ∆L*C*H, ∆L*C*h, ∆Yxy, ∆XYZ

Color Difference Indices: ∆E*, ∆E, ∆C*, ∆C and ∆E CMC

Indices and Metrics: E313 Whiteness Index, Tint, E313 Yellowness Index, D1925 Yellowness Index, Y Brightness, Z%, 457 nm Brightness, Baking Contrast Units, Colorant Strength (Average and Single Wavelength), Gray Change, Gray Stain, dc*, dc, Metamerism Index, Shade Number

Data Storage: As Standard – 250 spectral or tristimulus with Pass/Fail tolerances as Working, Physical, Numeric and Hitch

Languages: Chinese, English, French, German, Italian, Japanese, Spanish

Sensor Dimensions:

  • Height: 24 cm (9.3 in.)
  • Width: 20 cm (7.8 in.)
  • Depth: 11 cm (4.3 in.)
  • Weight (With Calibration Box): 12.78lbs (5.79kg)
  • Weight (W/O Calibration Box): 11.14lbs (5.05kg)

Support Unit Dimensions:

  • Height: 25.4 cm (10 in.)
  • Width: 20.3 cm (8 in.)
  • Depth: 16.5 cm (6.5 in.)
  • Weight: 12.74lbs (5.78kg)

Display: 7.1 cm x 5.4 cm (2.8 in. x 2.1 in.) backlit color LCD

Interface: Ethernet (RJ45)

Power: 100 to 240 VAC, 47 to 63 Hz

Operating Environment: 0° to 50°C (32° to 122° F), 10 % to 90 % RH, noncondensing

Storage Environment: -20° to 65°C (-5° to 150° F), 10 % to 90 % RH, noncondensing

Standard Accessories:

  • Calibrated instrument white tile
  • Certificate of Traceability
  • Black glass
  • Green diagnostic tile
  • Calibration Box
  • 20 m Ethernet Cable
  • 10 m Sensor Power & DIO Cable
  • Crossover Adaptor
  • SpectraTrend HT User guide