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Standard SFRplus Chart

Standard SFRplus Chart Instructions Operating Manual Standard SFRplus Chart PDF
This Standard SFRplus Chart Instrument are Certified with
certify
1 Years Warranty (Additional support period of 3 years)

The SFRplus test chart can be used with the SFRplus module in Imatest 3.2 or later to measure MTF, lateral chromatic aberration, distortion, tonal response, and color accuracy. The SFRplus module features fully automated region-of-interest detection. The SFRplus chart offers significant advantages over commonly used charts such as the ISO 12233 chart, including 1) much less wasted area, 2) the ability to produce a map of sharpness over the sensor surface, 3) better measurement accuracy due to the lower contrast, and 4) full support for automated testing.

This chart is recommended for most standard testing setups and devices. Choose a size based on your sensor and setup limitations.


Options include:

  • Grid: 5x9 grids are recommended for for typical DSLR formats with aspect ratios of 3:2
  • Paper Size and Active Area Options

    This chart is available in three sizes. It is recommended that the medium sized charts be used to test imaging systems with sensors up to 12 MP, the large charts be used for testing of sensors up to approximately 24 MP, and the extra-large charts be used for sensor sizes above 24 MP.

    Paper Size (Including Margin)

      5x9
    Medium 24
    Large 44
    X-Large 44

    Active Area

    The active area of the chart includes white space above and below the top and bottom distortion bars. It is slightly larger than the printed area, which is bounded by the distortion bars on top and bottom. White space is included in active area because test images of the chart must include this white space in order to enable automated processing in SFRplus software.

      5x9
    Medium 22
    Large 33
    X-Large 42
  • Paper/ink type: Matte paper/ink can be used to reduce reflected light and allow for easier lighting setups
  • Contrast levels: 4:1 contrast ratio for new ISO standard compliance
  • Color chart: a 20 patch color chart.

Our Valued Clients

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FAQs About  SFRPlus Test Charts

Powder paint gloss levels are commonly classified as:

● Flat/Matte: 0–10 GU

● Satin: 10–40 GU

● Semi-Gloss: 40–70 GU

● Gloss: 70–85 GU

High Gloss: 85+ GU
These ranges can vary by manufacturer and application angle.


Yes, we offer free samples for test, you are welcome to order samples to experience our excellent quality and service.

For wallpaper color consistency & quality control (including solid-color, printed, textured, and embossed wallpapers), these 3nh spectrophotometers deliver optimal performance:


1. TS8560 Benchtop (Lab & R&D – Best Accuracy)

  • d/8° integrating sphere, SCI/SCE dual mode

  • ΔE*ab ≤ 0.01 (repeatability), IIA ≤ 0.1

  • Multi-apertures (Φ3/8/15/25mm) — ideal for large patterned wallpapers

  • UV control (for optical brighteners in paper)

  • Best for: Lab formulation, color standardization, batch-to-batch consistency

  • TS8560 Benchtop instrument


2. TS7700 Portable (Production & Field)

  • d/8° (SCI/SCE), ΔE*ab ≤ 0.02

  • Handheld, fast, non-destructive

  • Large aperture (Φ20mm) averages out texture/pattern unevenness

  • Best for: Production line checks, warehouse incoming inspection, on-site matching

  • TS7700 Portable spectrophotometer instrument

3. PS2080 Portable (Textured/Patterned Wallpapers)

  • d/8°, interchangeable apertures (Φ4/8mm + 1×3mm)

  • High stability for rough/embossed surfaces

  • UV included for fluorescent inks/papers

  • Best for: Complex printed, textured, or metallic-effect wallpapers

  • PS2080 Portable spectrophotometer

4. NS800 (Cost-Effective Routine QC)

  • 45/0 geometry, ΔE*ab ≤ 0.04

  • Touchscreen, easy operation

  • Best for: Uniform solid-color wallpapers, basic production QC

  • NS800 Hand Held Spectrophotometer

Short Recommendation

  • Top lab precision: TS8560

  • Best portable production: TS7700

  • Best for textured/patterned: PS2080

  • Economical routine QC: NS800

All ensure stable, repeatable color measurement for wallpaper rolls, panels, and printed patterns.


Haze measurement can be distorted by scratches on the surface, dust, temperature, and light. 

An 18% gray background reduces distractions and color bias, helping in a more accurate assessment.


Flickering lamps, color shifts, and uneven lighting are common faults, which can be corrected by changing the tubes, cleaning the interiors, and re calibrating the light system.

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