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Curtis — 5-Step English Thickness Reference Block (7075 Aluminum)
Ultrasonic Thickness Calibration Block with Hardwood Case SKU: CB-5S-AL-I-CUOverview
The Curtis 5-Step English Thickness Reference Block is a precision ultrasonic calibration standard designed for thickness calibration, linearity verification, and routine performance checks of ultrasonic testing equipment. Manufactured from 7075 aluminum, this reference block provides a reliable acoustic standard for inspection workflows involving aluminum materials and general UT thickness measurement applications.
Built in English / inch configuration, the block features five precision-machined steps that allow inspectors to verify gauge accuracy across multiple reference thicknesses. This supports reliable setup of ultrasonic thickness gauges, flaw detectors, and probes used in field, shop, laboratory, and QA/QC environments.
Supplied with a protective hardwood case, this Curtis reference block is ideal for professional NDT programs requiring accurate calibration, organized storage, and dependable ultrasonic measurement verification.
What's Included
| Item | Details |
|---|---|
| Reference Block | 5-step English thickness reference block |
| Material | 7075 aluminum |
| Carrying Case | Hardwood case included |
Box Dimensions & Shipping Weight (Estimated)
| Parameter | Imperial |
|---|---|
| Length | 10.0 in |
| Width | 8.0 in |
| Height | 3.0 in |
| Dimensions (L × W × H) | 10.0 × 8.0 × 3.0 in |
| Weight | 3.0 lb |
Key Specifications
| Parameter | Details |
|---|---|
| Product Type | Ultrasonic thickness reference block |
| Block Type | 5-step thickness block |
| Units | English / inch |
| Material | 7075 aluminum |
| Case | Hardwood case included |
| Application | Thickness calibration and linearity verification |
| Manufacturer | Curtis |
| SKU | CB-5S-AL-I-CU |
Performance Features
Five-Step Calibration Range
Provides multiple reference thicknesses for ultrasonic gauge setup and verification.
7075 Aluminum Construction
Offers dependable acoustic response for aluminum calibration and inspection workflows.
English / Inch Configuration
Supports standard inch-based thickness measurement and calibration procedures.
Hardwood Case Included
Helps protect the block during storage, transport, and field use.
User-Friendly Design
Easy to use for routine thickness calibration checks
Precision-machined step geometry for repeatable measurements
Supplied with hardwood case for organized storage
Suitable for field, shop, and laboratory workflows
Designed for efficient ultrasonic testing setup
Built for Industrial Environments
Durable aluminum construction for repeated calibration use
Reliable performance in professional inspection programs
Suitable for maintenance, QA/QC, and training environments
Built for dependable NDT thickness measurement workflows
Compatibility
Compatible with:
Ultrasonic thickness gauges
Ultrasonic flaw detectors
Single element and dual element UT probes
Thickness calibration procedures
Aluminum inspection and material verification workflows
Ideal Applications
Thickness gauge calibration
Linearity verification
Aluminum material inspection
Manufacturing QA/QC
Aerospace and industrial inspection
NDT training and certification
Field and laboratory ultrasonic testing
About Curtis
Curtis Industries is a trusted manufacturer of ultrasonic calibration blocks and reference standards, providing precision-engineered products for professional NDT inspection, training, and equipment verification. Their blocks are widely used where accuracy, durability, traceability, and repeatable calibration performance are essential.
