Scale Plate: Accuracy Grade ±0.01 mm to ±0.1 mm

Component Specifications

Definition

A precision-engineered component featuring graduated markings or engravings that serves as the reference surface in position indicators, enabling accurate visual or automated reading of linear displacement, rotational angle, or positional coordinates in mechanical systems. It interfaces with pointers, sensors, or optical readers to provide quantitative feedback for control and monitoring applications.

Working Principle

Operates by providing a fixed, calibrated reference surface with precise graduations. A moving pointer, encoder, or optical sensor aligns with these markings to translate physical position into measurable units (e.g., millimeters, degrees). The scale's accuracy ensures reliable positional feedback through direct visual interpretation or electronic signal generation via integrated sensors.

Materials

Typically manufactured from stainless steel (e.g., AISI 304/316 for corrosion resistance), aluminum alloy (for lightweight applications), or glass (for high-precision optical systems). Surface treatments may include anodizing, etching, or laser engraving to ensure durability and legibility.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Mounting Type	Bolt-on, adhesive-backed, or integrated assembly
Accuracy Grade	±0.01 mm to ±0.1 mm
Surface Hardness	≥HRC 40 for metal scales
Graduation Interval	0.5 mm, 1 mm, or custom
Operating Temperature	-20°C to +80°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 2768, DIN 862

Parent Products

This component is used in the following industrial products

Position Indicator

A visual or electronic device that displays the current open/closed position of a sanitary flow control valve.

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Liquid Level Gauge

A measurement device that indicates the level of liquid CO₂ within a storage tank.

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Engineering Analysis

Risks & Mitigation

Misalignment during installation
Graduation wear or damage
Environmental corrosion affecting accuracy
Thermal expansion causing measurement errors

FMEA Triads

Trigger: Improper mounting or alignment during installation
Failure: Inaccurate positional readings leading to machinery errors
Mitigation: Use precision jigs for installation, verify alignment with laser tools, and follow manufacturer torque specifications

Trigger: Exposure to abrasive contaminants or corrosive chemicals
Failure: Graduation degradation or surface damage compromising legibility
Mitigation: Implement protective covers, select corrosion-resistant materials (e.g., stainless steel), and apply protective coatings

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.02 mm per 100 mm for standard grades; ±0.005 mm for high-precision versions

Test Method

Laser interferometry or coordinate measuring machine (CMM) verification against ISO 10360 standards

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Scale Plate

Manufacturer profiles associated with Scale Plate.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the primary function of a scale plate in a position indicator?

It provides a calibrated reference surface with precise graduations to enable accurate measurement of linear or angular displacement, converting physical position into readable units for control and monitoring.

How do I select the right material for a scale plate?

Choose based on environmental conditions: stainless steel for corrosive environments, aluminum for lightweight needs, or glass for high-precision optical applications. Consider factors like durability, thermal stability, and compatibility with reading systems.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Scale Plate