Industry-Verified Manufacturing Data (2026)

Sample Interface

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Sample Interface used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Sample Interface is characterized by the integration of Sample Port / Aperture and Mounting Flange or Thread. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Interface component that facilitates the introduction, positioning, and secure coupling of samples to the spectroscopic analyzer for measurement.

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Product Specifications

Technical details and manufacturing context for Sample Interface

Definition
The Sample Interface is a critical component of a Spectroscopic Analyzer that serves as the physical and functional connection point between the sample and the analytical instrument. It ensures proper sample presentation to the optical or sensor system, maintains measurement integrity by controlling environmental factors like light exposure or atmospheric interference, and often includes mechanisms for secure mounting, alignment, and sometimes basic sample preparation or conditioning.
Working Principle
The interface physically receives the sample, often via a holder, stage, or port. It positions the sample at a precise, repeatable location within the analyzer's measurement path (e.g., in the optical beam for spectroscopy). It may incorporate seals, windows, or environmental controls to isolate the sample or the instrument's internal optics. Its design ensures minimal interference with the analytical signal while providing reliable, user-friendly sample loading and unloading.
Common Materials
Stainless Steel, Aluminum Alloy, Optical Glass, PTFE (Teflon)
Technical Parameters
  • Sample port or holder dimensions (e.g., diameter, depth) defining maximum compatible sample size. (mm) Customizable
Components / BOM
  • Sample Port / Aperture
    Defines the entry point for the sample, often with a precision-machined opening.
    Material: Stainless Steel
  • Mounting Flange or Thread
    Provides the mechanical interface for securing sample holders, cells, or accessories to the analyzer.
    Material: Aluminum Alloy
  • Sealing Gasket or O-Ring
    Ensures an airtight or light-tight seal between the interface and the attached sample holder to prevent contamination or signal interference.
    Material: Viton or Silicone Rubber
  • Protective Window (optional)
    A transparent barrier (e.g., quartz, sapphire) that protects the analyzer's internal optics from the sample environment while allowing the measurement beam to pass.
    Material: Optical Glass or Fused Silica
Engineering Reasoning
0.1-5.0 N·m torque, 0.01-0.05 mm positioning tolerance, -20°C to 80°C temperature
6.5 N·m shear stress at coupling interface, 0.08 mm positional deviation, 90°C thermal limit
Design Rationale: Yield strength exceedance of 316L stainless steel (205 MPa), thermal expansion mismatch (α=17.2×10⁻⁶/°C vs α=23.6×10⁻⁶/°C), Hertzian contact stress > 1.5 GPa
Risk Mitigation (FMEA)
Trigger Electrostatic discharge (ESD) > 8 kV during sample handling
Mode: Piezoelectric positioning sensor dielectric breakdown
Strategy: Integrated Faraday cage with 10⁶ Ω surface resistivity and grounded conductive path
Trigger Cyclic loading at 15 Hz > 10⁷ cycles
Mode: Fatigue crack propagation at coupling interface notch (K₁c=60 MPa·√m)
Strategy: Shot peening surface treatment inducing 400 MPa compressive residual stress

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Sample Interface.

spectroscopic analyzer sample interface sample port mounting flange for spectroscopy optical glass protective window sample interface stainless steel sample coupling component PTFE sealing gasket spectroscopic analyzer

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Spectroscopic Analyzer
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
other spec: Flow Rate: 0-5 L/min, Slurry Concentration: ≤30% solids by weight
temperature: -20°C to 150°C
Media Compatibility
✓ Aqueous solutions ✓ Organic solvents (e.g., ethanol, acetone) ✓ Non-abrasive slurries
Unsuitable: Highly corrosive media (e.g., concentrated acids, strong oxidizers)
Sizing Data Required
  • Sample volume or flow rate
  • Sample physical state (liquid, slurry, solid)
  • Required measurement precision/accuracy

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Seal degradation
Cause: Chemical incompatibility between seal material and process fluid, leading to swelling, hardening, or cracking
Corrosion/pitting
Cause: Electrochemical attack from corrosive media or galvanic corrosion due to dissimilar metals in contact
Maintenance Indicators
  • Visible fluid leakage at the interface connection points
  • Abnormal pressure drop or flow fluctuation across the interface
Engineering Tips
  • Implement regular non-destructive testing (ultrasonic thickness measurement) to monitor wall thickness degradation
  • Establish a preventive maintenance schedule for seal replacement based on operating hours and fluid compatibility data

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems ANSI B4.1-1967 (R2019) Limits and Fits DIN 7150-1:2011-01 Tolerances for Holes and Shafts
Manufacturing Precision
  • Bore Diameter: +/-0.02mm
  • Surface Flatness: 0.1mm per 100mm
Quality Inspection
  • Dye Penetrant Test for Surface Defects
  • Coordinate Measuring Machine (CMM) Dimensional Verification

Factories Producing Sample Interface

Verified manufacturers with capability to produce this product in China

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✓ 97% Supplier Capability Match Found

P Procurement Specialist from Canada Feb 20, 2026
★★★★★
"The Sample Interface we sourced perfectly fits our Computer, Electronic and Optical Product Manufacturing production line requirements."
Technical Specifications Verified
T Technical Director from United States Feb 17, 2026
★★★★★
"Found 19+ suppliers for Sample Interface on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
P Project Engineer from United Arab Emirates Feb 14, 2026
★★★★★
"The technical documentation for this Sample Interface is very thorough, especially regarding technical reliability."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

18 sourcing managers are analyzing this specification now. Last inquiry for Sample Interface from Thailand (1h ago).

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Frequently Asked Questions

What materials are used in the Sample Interface and why?

The interface uses stainless steel and aluminum alloy for structural durability, optical glass for clear sample viewing/measurement, and PTFE (Teflon) for chemical-resistant sealing to prevent contamination and ensure measurement accuracy.

How does this interface ensure secure sample coupling?

It features a precise mounting flange or thread system with PTFE sealing gaskets or O-rings that create a vacuum-tight seal, preventing sample movement or environmental interference during spectroscopic analysis.

Is the protective window necessary for all applications?

The optical glass protective window is optional but recommended for applications involving hazardous, volatile, or sensitive samples to protect the analyzer optics while maintaining measurement integrity.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Computer, Electronic and Optical Product Manufacturing sector.

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