DESIGNING SOLUTIONS FOR NOW THAT ARE READY TO SHAPE THE FUTURE. THIS IS NEXXIS.
HomeProducts

Cygnus 1 Ex

Intrinsically safe and built for harsh environments, the Cygnus 1 Ex delivers reliable thickness measurements in explosive Zones 0, 1, 2, 21, and 22—without the need for hot work permits.
Read More

The Cygnus 1 Ex is a rugged, handheld ultrasonic thickness gauge designed specifically for hazardous environments. Certified for use in all explosive gas zones (0, 1, 2), coal mines, and combustible dust zones (21, 22), it enables safe, accurate wall thickness measurements without the need for hot work permits.

Ideal for use across oil and gas sites, chemical plants, fuel depots, refineries, pipelines, and even food and wood processing facilities, this intrinsically safe UTG offers unmatched versatility. It supports three measuring modes, including through-coating, and is compatible with a high-temperature probe for in-service asset monitoring.

Operators benefit from a user-friendly interface with live A-Scans and B-Scans, configurable manual mode, and a deep coat function to ignore thick surface coatings. Data can be quickly transferred via Bluetooth to CygLink software for streamlined reporting and analysis.

With multiple variants (SC, TC, PLUS, and PRO) and upgradeable features, the Cygnus 1 Ex offers a robust, future-proof solution for corrosion monitoring in hazardous zones.

Product Downloads
Specification

SPECIFICATION

  • Dimensions: 270 x 135 x 80 mm (H x W x D)

  • Weight: 1 kg (gauge with battery), 5 kg (complete kit)

  • Display: 3.5” VGA, sunlight-readable colour screen

  • Battery Life: 6–8 hours continuous use

  • Power Supply: Rechargeable, removable lithium-ion battery pack

  • Power Rating: 2W

  • Environmental Protection: IP67, Pollution Degree 3

  • Operating Temperature: 0°C to +50°C

  • Storage Temperature: -10°C to +65°C

  • Standards: BS EN 15317:2013


PERFORMANCE

  • Measurement Range (in steel): 0.8 mm to 250 mm (0.031 in to 10 in)

  • Accuracy: ±0.1 mm (±0.004″) or 0.1% of reading

  • Resolution: 0.1 mm, 0.05 mm, or 0.01 mm (based on probe type)

  • Material Velocity Range: 1000 m/s to 9000 m/s (0.0390 to 0.3543 in/μs)


MEASURING MODES

  • Single Echo (with twin crystal probes)

  • Echo-Echo (with twin crystal probes)

  • Multiple Echo (with single crystal probes)


PROBES & CONNECTIVITY

  • Probe Options: Single and twin crystal probes

  • Probe Sockets: Single dual coaxial connector

  • Connectivity: Bluetooth data transfer to PC


DATA & SOFTWARE

  • Data Logging: 10,000 measurements and A-scans per record

  • Software: CygLink for remote logging, A-scan viewing, PDF reports, statistical analysis


CERTIFICATION

  • Certified for use in Zones 0, 1, 2 (gas) and Zones 21, 22 (dust)

  • ATEX, IECEx, and UKEX approved

  • I M1 Ex ia Ma

  • II 1G Ex ia IIC T4 Ga

  • II 2D Ex ib IIIB T100°C Db

  • Certificate Numbers:

    • ATEX: ExVeritas 21ATEX0860X

    • UKEX: ExVeritas 21UKEX0861X

    • IECEx: IECEx EXV 21.0035X

 

Talk to an Expert

Related Reading

Join our mailing list // Discover a world of forward-looking solutions designed to shape the future. Ready?