
Ultrasonic Thickness & Corrosion Gauges
QS Family ultrasonic wall thickness gauges for measuring pipes, tanks and vessels from one side.

The QS Family measures wall thickness ultrasonically where only one side is accessible, making it suited to corrosion and wear monitoring on pipes, tanks and pressure vessels. The flagship QS5 measures 0.6 to 500 mm in pulse-echo mode and, on models with echo-echo, measures through paint while discarding coatings up to 2 mm.
The QS5 adds a fault analyser for corrosion and pitting, a B-scan display, a coupling indicator and measurement rates of 4 to 20 readings per second, with memory for 32,000 readings. The QS3 covers 0.6 to 500 mm with 0.01 mm resolution and 5,000-reading memory, and the QS2 is a basic 1 to 500 mm gauge.
- Pulse-echo range 0.6 to 500 mm (QS5, QS3)
- Echo-echo measurement through paint on selected QS5 models
- 0.01 mm resolution
- Corrosion and pitting fault analyser with B-scan display
- Sound velocity adjustment and built-in velocity table
- Complies with ASTM E797
- Corrosion monitoring on pipes and tanks
- Pressure vessel inspection
- Wear measurement on structures
- Thickness of steel, aluminium, plastics and glass
Explore other Demeq product lines

Portable Hardness Testers
QH Family Leeb and UCI hardness testers for metals, from the basic QH2 to the heavy-duty QH7.
View Details →
Coating Thickness Gauges
QC Family gauges for dry coatings on ferrous and non-ferrous metals, with special probes for difficult geometry.
View Details →
Hall-Effect Thickness Gauges
The QB7 Series measures the thickness of non-ferrous parts, including complex shapes and very thin walls.
View Details →
Ultrasonic Velocity Gauges
The QSV Series measures sound velocity to identify grey and nodular cast iron and their degree of nodularity.
View Details →Request DemeqUltrasonic Thickness & Corrosion Gauges
Contact our team for genuine Demequltrasonic thickness & corrosion gauges with full technical support and accredited calibration across the UAE.