INDUSTRY COMPONENT

Scale/Dial Plate

A calibrated circular plate with markings used to indicate measurements or settings on industrial display mechanisms.

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Component Specifications

Definition
A precision-engineered circular component featuring graduated markings, indices, or numerical values that provide visual reference for measurement readings, operational parameters, or control settings in industrial machinery display systems. It serves as the primary interface for operators to interpret analog data from instruments like pressure gauges, flow meters, temperature indicators, and control dials.
Working Principle
Operates through mechanical or electromechanical coupling with a pointer or indicator that aligns with calibrated markings on the plate. The scale/dial plate converts rotational or linear movement into readable values through precisely spaced graduations, enabling accurate measurement interpretation and parameter monitoring.
Materials
Typically manufactured from aluminum alloys (6061-T6), stainless steel (304/316), tempered glass, polycarbonate, or engineered plastics (ABS, acrylic) with printed or etched markings using laser engraving, screen printing, or photochemical etching for durability and precision.
Technical Parameters
  • Diameter 50-300mm
  • Mounting Type Center hole, edge clamp, or adhesive backing
  • Surface Finish Matte anti-glare or glossy protective coating
  • Temperature Range -40°C to +120°C
  • Marking Permanence Resistant to abrasion, chemicals, and UV exposure
  • Graduation Accuracy ±0.1-0.5% of full scale
Standards
ISO 463, DIN 43700, ASME B40.1

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Scale/Dial Plate.

industrial dial plate calibrated scale measurement display component gauge dial instrument scale analog display plate precision markings machine display mechanism Scale/Dial Plate Scale/Dial Plate in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Display Mechanism

The mechanical or electromechanical subsystem within an indicator that physically presents information to the user.

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Engineering Analysis

Risks & Mitigation
  • Misreading due to parallax error
  • Marking degradation from environmental exposure
  • Mechanical damage to delicate graduations
  • Calibration drift over time
FMEA Triads
Trigger: Improper material selection for operating environment
Failure: Marking degradation or plate deformation
Mitigation: Use corrosion-resistant materials with appropriate temperature ratings and UV-stable markings
Trigger: Inadequate mounting or alignment
Failure: Measurement inaccuracy due to parallax or misalignment
Mitigation: Implement precision mounting fixtures and anti-parallax design features
Trigger: Wear from frequent pointer contact
Failure: Graduation damage and reading ambiguity
Mitigation: Apply protective coatings and maintain proper pointer clearance

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Graduation spacing tolerance: ±0.1mm for critical applications, ±0.3mm for standard applications
Test Method
Optical comparator measurement, coordinate measuring machine (CMM) verification, environmental durability testing per ISO 9227 salt spray test

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the difference between a scale plate and a dial plate?

Scale plates typically refer to linear measurement surfaces with graduated markings, while dial plates are circular components with radial markings. In industrial contexts, the terms are often used interchangeably for circular display components.

How are markings applied to industrial scale/dial plates?

Markings are applied through laser engraving for permanent etched markings, screen printing for high-contrast colored markings, or photochemical etching for precision micro-markings. Each method offers different durability, precision, and cost characteristics.

What factors affect the accuracy of scale/dial plate readings?

Accuracy depends on graduation precision, marking clarity, parallax error minimization, proper illumination, operator viewing angle, and environmental factors like vibration and temperature that may affect the indicator mechanism.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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