INDUSTRY COMPONENT

Pointer

Pressure gauge pointer indicates pressure readings on dials in industrial systems.

Component Specifications

Definition
A precision mechanical component within pressure gauge assemblies that rotates proportionally to pressure changes, translating Bourdon tube or diaphragm movement into visual readings on calibrated dials. It serves as the primary human-machine interface for pressure monitoring in industrial applications.
Working Principle
Operates through mechanical linkage to pressure-sensing elements (typically Bourdon tubes, diaphragms, or bellows). Pressure changes cause sensing element deformation, which transfers motion through gears or levers to rotate the pointer along a calibrated scale, providing analog pressure readings.
Materials
Typically aluminum alloys (6061-T6, 7075) for lightweight strength, stainless steel (304, 316) for corrosive environments, or engineered plastics (POM, PEEK) for chemical resistance. Surface treatments include anodizing, powder coating, or laser etching for durability and legibility.
Technical Parameters
  • Weight 2-15 grams
  • Mounting Type Friction fit, set screw, or splined
  • Accuracy Class 0.5-2.5% FS
  • Counterbalance Integrated or adjustable
  • Pointer Length 25-100 mm
  • Rotation Range 270-300 degrees
  • Shaft Diameter 1.5-3.0 mm
Standards
ISO 5171, DIN 16085, ASME B40.100

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Pointer.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Misreading due to parallax error
  • Mechanical fatigue from vibration
  • Corrosion in harsh environments
  • Magnetic interference in certain applications
FMEA Triads
Trigger: Shaft wear or bending
Failure: Pointer sticks or jumps
Mitigation: Regular inspection, proper installation torque, using hardened steel shafts
Trigger: Counterbalance imbalance
Failure: Inaccurate readings at different orientations
Mitigation: Factory balancing, environmental testing, proper mounting position
Trigger: Material degradation
Failure: Pointer deformation or breakage
Mitigation: Material selection for environment, protective coatings, scheduled replacement

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.5° angular position tolerance, ±0.1 mm radial runout
Test Method
Optical comparator measurement, torque testing, environmental cycling (temperature/humidity/vibration)

Buyer Feedback

★★★★☆ 4.5 / 5.0 (31 reviews)

"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Pointer meets all ISO standards."

"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Pointer arrived with full certification."

"Great transparency on the Pointer components. Essential for our Machinery and Equipment Manufacturing supply chain."

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Frequently Asked Questions

What causes pointer oscillation in pressure gauges?

Pointer oscillation typically results from pulsating pressure sources, mechanical vibration, or worn linkage components. Dampening solutions include liquid-filled gauges, restrictor valves, or snubbers.

How do you calibrate a pressure gauge pointer?

Calibration involves applying known pressure values and adjusting zero and span screws to align pointer with reference points. Professional calibration follows ISO/IEC 17025 standards using deadweight testers or digital calibrators.

Can pressure gauge pointers be replaced individually?

Yes, but replacement requires matching shaft dimensions, weight balance, and mounting style. Professional replacement ensures proper calibration and prevents damage to movement mechanisms.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Get Quote for Pointer

Pocket Inserts Pointer & Dial