Certified Test Blocks

Checking calibration and operation of ultrasonic thickness gages

DeFelsko Certified Step Blocks are precision calibration tools designed for verifying the accuracy and operation of ultrasonic thickness gauges. Manufactured from 1018 steel and nickel-plated for enhanced corrosion and wear resistance, these blocks are essential for ensuring compliance with ISO standards and in-house quality control requirements. Each set includes a long-form Certificate of Calibration and a Material Test Report, providing traceability and confidence in measurement accuracy. Available in both imperial and metric units, they are compatible with various PosiTector UTG probes, making them versatile for different applications.

Features

Constructed from 1018 steel with nickel plating for durability
Includes Certificate of Calibration and Material Test Report
Available in imperial and metric step sizes
Compatible with PosiTector UTG probes
Essential for ISO and in-house quality control compliance

Applications

Calibration of ultrasonic thickness gauges
Quality control in manufacturing processes
Compliance verification for industry standards
Maintenance and servicing of measurement equipment
Training and certification of personnel in measurement techniques

Technical Data

Model	Step Sizes (Units)	Accuracy	Compatible Probes

STDB1	100, 200, 300, 400, 500 mils	±1 mil	UTG C, CA, CLF, CX, M
STDB1M	2.5, 5, 7.5, 10, 12.5 mm	±0.025 mm	UTG C, CA, CLF, CX, M
STDB2	1.000″, 1.500″, 2.000″, 2.500″, 3.000″, 3.500″, 4.000″, 4.500″ inches	±0.002″	UTG C, CA, CLF, CX, M
STDB2M	25.0, 37.5, 50.0, 62.5, 75.0, 87.5, 100, 112.5 mm	±0.04 mm	UTG C, CA, CLF, CX, M
STDUTGP	40, 60, 80, 100 mils (imperial only)	±1 mil	UTG P

Tags: Calibration Standards, DeFelsko Certified Step Blocks, industrial measurement tools, ISO compliance tools, metric and imperial step blocks, NIST-traceable calibration, PosiTector UTG, quality control accessories, ultrasonic probe verification, ultrasonic thickness gauge calibration

Tags:

DeFelsko Certified Step Blocks, ultrasonic thickness gauge calibration, PosiTector UTG, ISO compliance tools, quality control accessories, calibration standards, NIST traceable calibration, metric and imperial step blocks, industrial measurement tools, ultrasonic probe verification