Dial Face: Diameter 50mm to 250mm

Component Specifications

Definition

The dial face is a precision-engineered circular display component in pressure gauge assemblies, featuring calibrated markings (typically in psi, bar, or kPa) that allow operators to read pressure values via a mechanical pointer. It serves as the primary visual interface between the instrument and user, requiring high accuracy in scale division, clear legibility, and durability under industrial conditions.

Working Principle

The dial face works in conjunction with a Bourdon tube or diaphragm mechanism; as pressure changes cause mechanical movement in the gauge's internal mechanism, a pointer rotates over the calibrated dial to indicate the corresponding pressure value. The dial's scale is mathematically calibrated to ensure linear correspondence between pointer position and actual pressure.

Materials

Typically made from aluminum alloy, stainless steel, or engineered plastics (e.g., polycarbonate) with printed or etched markings. High-end versions use glass or acrylic covers for protection.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Diameter	50mm to 250mm
Mounting	Center-back or clamp ring
Graduation	Linear or logarithmic scale
Scale Range	0-100 psi to 0-10,000 psi (customizable)
Accuracy Class	1.0, 1.6, or 2.5 per EN 837

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 5171, DIN 16005, ASME B40.100

Parent Products

This component is used in the following industrial products

Pressure Gauge Assembly

The Pressure Gauge Assembly is a specialized component within a Homogenizer Unit that monitors and displays the internal pressure during homogenization processes.

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Speedometer

The speedometer is a component of a motor vehicle's instrument cluster that provides the driver with real-time visual feedback on the vehicle's road speed.

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Engineering Analysis

Risks & Mitigation

Misreading due to parallax error
Fading of markings under UV exposure
Cracking from vibration or impact

FMEA Triads

Trigger: Improper material selection for corrosive environments
Failure: Degradation of markings or dial surface
Mitigation: Use stainless steel or coated materials with chemical resistance

Trigger: Inaccurate scale printing during manufacturing
Failure: Measurement errors exceeding tolerance
Mitigation: Implement automated optical inspection (AOI) during production

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±1% of full scale for Class 1.0 accuracy

Test Method

Comparison against dead-weight tester per ISO 5171

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.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Dial Face

Manufacturer profiles associated with Dial Face.

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Frequently Asked Questions

How often should a dial face be recalibrated?

Recalibration depends on usage and environment; typically every 6-12 months in continuous industrial use, following ISO 9001 quality standards.

Can dial faces be customized for specific pressure ranges?

Yes, manufacturers can produce custom dial faces with any pressure range, units, and color-coding for specific applications.

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.

Dial Face