3nh ColorimeterTOP Advanced Portable Spectrophotometer
| Brand | 3nh |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | ColorimeterTOP |
| Pricing | Available Upon Request |
| Instrument Type | Portable Spectrophotometer |
| Optical Geometry | d/8° Integrating Sphere |
| Light Source | LED |
| Spectral Range | 400–700 nm |
| Repeatability | ΔE*ab ≤ 0.04 (30 measurements on white tile at 5 s intervals) |
Overview
The 3nh ColorimeterTOP is a high-precision portable spectrophotometer engineered for rapid, repeatable color measurement in industrial quality control environments. Based on the d/8° integrating sphere optical geometry with diffuse illumination and 8° viewing angle, it conforms to CIE No. 15 and ISO 7724-1 standards for reflectance colorimetry. The instrument employs a high-stability LED light source spanning the visible spectrum (400–700 nm) and utilizes a calibrated silicon photodiode array detector to capture spectral reflectance data at 10 nm intervals. Its core function is the accurate calculation of CIELAB (L*a*b*) coordinates and associated color difference metrics (ΔE*ab, ΔE00, ΔE94), enabling quantitative assessment of color consistency across production batches. Designed for field-deployable use, the ColorimeterTOP eliminates reliance on fixed lab instrumentation while maintaining metrological integrity suitable for routine QC tasks in fast-paced manufacturing settings.
Key Features
- Compact, handheld form factor with ergonomic grip and integrated trigger button for one-handed operation
- Dual-mode operation: standalone device with onboard display and Bluetooth-enabled wireless connectivity to iOS/Android devices
- Intelligent “Smart Key” interface providing context-sensitive functions—including instant pass/fail evaluation against stored standards and batch ID tagging
- Non-contact automatic white calibration using built-in reference tile detection—eliminates manual alignment and reduces operator-induced variability
- Real-time spectral data acquisition with ≥1000:1 signal-to-noise ratio and thermal drift compensation over operating temperatures from 10–40°C
- Compliant with ASTM D2244, ISO 11664-4, and GB/T 3978–2008 for colorimetric performance validation
Sample Compatibility & Compliance
The ColorimeterTOP accommodates flat, curved, textured, and matte surfaces typical of ceramics, epoxy grouts, architectural coatings, plastic housings, and textile substrates. Its 8 mm measurement aperture supports both spot analysis and averaged readings across heterogeneous surfaces. The instrument meets RoHS Directive 2011/65/EU for hazardous substance restrictions and carries CE marking per EN 61326-1:2013 (EMC) and EN 61010-1:2010 (safety). Calibration traceability is maintained through factory-certified ceramic white tiles (L* = 95.0 ± 0.2, a* = −0.2 ± 0.1, b* = 1.8 ± 0.1) with NIST-traceable spectral reflectance data. All firmware and calibration files support GLP-compliant audit trails when used with the official 3nh Cloud platform.
Software & Data Management
Data acquisition and analysis are supported via the proprietary 3nh ColorCloud mobile application (iOS/Android) and desktop ColorExpert software. The system enables synchronized cloud storage of measurement histories, spectral curves, tolerance ellipsoids (CIEDE2000), and statistical process control (SPC) charts. Raw spectral data (.spc) and CSV exports comply with ASTM E308-22 for interoperability with third-party color formulation tools. Role-based user accounts, electronic signatures, and FDA 21 CFR Part 11–compliant audit logs are available in enterprise license tiers. Integration with ERP/MES systems is supported through RESTful API endpoints for automated reporting and non-conformance flagging.
Applications
- Tile and stone grout color matching in architectural renovation projects, especially for epoxy-based joint fillers requiring precise hue and chroma alignment
- In-line verification of pigment dispersion uniformity in automotive trim coatings and consumer electronics housings
- Batch-to-batch consistency checks for dyed polyester fabrics and reactive-dyed cotton in textile mills
- Color release testing for medical device packaging films under ISO 11664-6 lighting conditions
- On-site validation of color-critical signage, façade panels, and ceramic glazes during installation or commissioning
FAQ
What spectral resolution does the ColorimeterTOP provide?
It captures reflectance spectra at 10 nm intervals across the 400–700 nm range, delivering sufficient resolution for CIELAB computation and metamerism assessment.
Is the device compatible with industry-standard color databases such as RAL, Pantone, or Munsell?
Yes—the ColorCloud app includes embedded libraries for RAL CLASSIC, RAL DESIGN, Pantone Solid Coated, and Munsell Notation System, with bidirectional lookup and delta-LCH tolerance mapping.
Can measurement data be exported in formats suitable for statistical process control (SPC)?
Yes—CSV exports include L*, a*, b*, C*, h°, ΔE*ab, ΔE00, measurement timestamp, operator ID, and sample ID, fully compatible with JMP, Minitab, and SPC software platforms.
Does the instrument support multi-angle measurement for gonioapparent materials?
No—the ColorimeterTOP operates exclusively in standard d/8° geometry and is not designed for metallic, pearlescent, or interference pigments requiring gonio-spectrophotometric analysis.
How often must the white calibration tile be replaced or recertified?
Under normal handling and storage conditions, the included ceramic white tile retains calibration stability for ≥24 months; annual recalibration by an accredited lab is recommended for GMP-regulated environments.
