4.27 GBP
Faithfull Inside Caliper 4In
Discover Faithfull Inside's Caliper 100mm, a versatile and accurate measuring tool perfect for various applications. Its compact and lightweight design makes it easy to carry and use on the go
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Faithfull Inside Caliper 4In
The Faithfull Inside Caliper 4In is a precision measuring instrument designed for accurate internal dimension measurement in a wide range of industrial and laboratory applications. With its robust construction, ergonomic design, and advanced spring‑loaded mechanism, this caliper delivers reliable performance even under demanding conditions.
Key Features
- Internal Measurement Range: 0–100 mm (4 inches) with a fine adjustment scale.
- Spring‑Loaded Jaw System: Provides consistent pressure on the measurement surface, reducing user error and ensuring repeatable results.
- High‑Precision Scale: Graduated in 0.01 mm increments for sub‑millimetre accuracy.
- Durable Steel Construction: Hardened steel jaws and body resist wear, corrosion, and deformation.
- Ergonomic Handle: Comfortable grip with a non‑slip surface for prolonged use.
- Clear Readability: Large, high‑contrast digits and a backlit display option (optional accessory) enhance visibility in low‑light environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Measurement Range | 0–100 mm (4″) |
| Accuracy | ±0.02 mm |
| Jaw Material | Hardened steel, 30CrMoV |
| Body Material | Stainless steel (316L) |
| Spring Type | High‑strength alloy spring |
| Scale Increments | 0.01 mm / 0.001″ |
| Weight | ≈150 g |
| Dimensions (overall) | Approx. 140 mm × 70 mm × 30 mm |
| Operating Temperature | -20 °C to +60 °C |
| Storage Conditions | Dry, temperature‑controlled environment |
Applications
The versatility of the Faithfull Inside Caliper 4In makes it indispensable in numerous fields:
- Mechanical Engineering: Measuring internal diameters of shafts, bearings, and cylindrical components.
- Aerospace & Automotive: Inspecting bore sizes for engine parts, turbine blades, and structural elements.
- Manufacturing Quality Control: Verifying tolerances during production runs to ensure compliance with specifications.
- Research & Development: Precise internal measurements in prototype testing and material studies.
- Repair & Maintenance: Assessing wear on existing components before replacement or refurbishment.
Materials & Construction
The caliper’s body is fabricated from 316L stainless steel, offering excellent corrosion resistance and structural integrity. The jaws are made of 30CrMoV hardened steel, providing a hard, wear‑resistant surface that maintains accuracy over extended use. The internal spring is constructed from an alloy designed to retain its elasticity, ensuring consistent jaw pressure throughout the instrument’s lifespan.
Usage Guidelines
- Preparation: Clean the component and caliper jaws with a lint‑free cloth before measurement to avoid contamination.
- Jaw Positioning: Gently close the jaws until they lightly touch the internal surface; avoid excessive force that could distort the measurement.
- Reading the Scale: Align the pointer with the nearest scale line. For sub‑millimetre precision, use the fine adjustment screw if available.
- Recording Results: Note the measurement to two decimal places (e.g., 25.37 mm) for traceability.
- Calibration Check: Periodically verify accuracy against a certified gauge block or reference standard.
Maintenance & Care
- After each use, wipe the jaws and body with a dry cloth to remove dust and debris.
- Avoid exposure to harsh chemicals; if contact occurs, rinse with mild soap solution and dry immediately.
- Store in a protective case or padded container to prevent scratches and mechanical damage.
- Inspect the spring tension annually; replace if any loss of elasticity is observed.
Comparison with Other Faithfull Models
The Faithfull Inside Caliper 4In stands out among its siblings due to its combination of a 100 mm range, high‑precision scale, and ergonomic design. While models such as the ACS6740 or FAICALIN4 offer similar ranges, the 4In variant is specifically engineered for environments where space constraints demand a compact yet highly accurate tool.
Frequently Asked Questions
- What is the maximum internal diameter this caliper can measure?
- The instrument accurately measures up to 100 mm (4 inches).
- Can I use it in high‑temperature environments?
- It operates reliably between -20 °C and +60 °C; for temperatures beyond this range, consider a specialized high‑temp model.
- Is the scale readable under low light?
- The standard scale is highly visible; an optional backlit display can be attached for improved readability in dim conditions.
- How often should I calibrate the caliper?
- It is recommended to perform a calibration check every six months or after any significant mechanical impact.
Conclusion
The Faithfull Inside Caliper 4In delivers exceptional precision, durability, and user comfort in one compact package. Whether you are conducting critical quality inspections, performing detailed research measurements, or maintaining complex machinery, this caliper provides the reliability and accuracy required for professional success.
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Category
This product is cataloged in our store in these categories
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- Vernier Calipers |
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| Tags | Faithfull Inside |
| Identifiers | |
| Brand |  The Faithfull brand is a British brand that produces high-quality tools and accessories. The brand is known for its durability and quality, and its products are popular among DIY enthusiasts and professionals. |
| MPN | Faithfull 5023969216522 |
| ID | 19133387 |
| Dimensions / Weight | |
| Key Features | |
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