Tritex NDT will be shut from 12:00 22nd December 2022 until 09:00 3rd January 2023. We would like to thank all of our customers for keeping us very busy this year. We wish everyone Seasons Greetings and a Happy New Year.

Multigauge 5500 Waist

The Multigauge 5500 metal thickness tester has been designed for hands free use when climbing on staging, scaffolding, ladders or when accessing by rope. It uses Multiple Echo to ignore coatings, measuring only the remaining metal thickness.

Download PDF Brochure

Categories: ,


The Multigauge 5500 metal thickness tester has been designed for hands free use when climbing on staging, scaffolding, ladders or when accessing by rope. Whether it’s onboard a ship, on large storage tanks, climbing on top of a road tanker or carrying out inspections underneath a bridge, the 5500 will measure the thickness with ease.  The gauge uses multiple echo to ignore coatings up to 6mm thick. It can be mounted onto a waist belt or chest harness when using rope access. The top display ensures the measurements are clearly visible, even in difficult gauging and lighting conditions. A protective leather case is also available.


  • Ignores coatings up to 6mm thick using multiple echo and up to 20 mm with Coating Plus+ selected
  • Automatic Measurement Verification (AMVS)
  • Intelligent Probe Recognition (IPR)
  • Ideal for rope access applications
  • Easy to use
  • Large LED display for good visibility in low light conditions
  • Easy calibration with menu driven buttons
  • Rugged, durable and robust
  • Designed for hands free use
  • No zeroing required


Multigauge 5500 metal thickness tester, probe, probe lead, spare membranes, membrane oil, ultrasonic gel, 15mm test block, membrane key, batteries, manual, calibration certificate, carry case, belt clip.


Protective leather case.


Sound Velocity Range: From 1000 m/s to 8000 m/s (0.0394 in/µs to 0.3150 in/µs)
Probes: Single crystal soft faced - 2.25 MHz, 3.5 MHz & 5 MHz
Measurement Range: 1 - 250 mm (0.04” - 10”) depending on probe used
Probe Sizes: 6 mm (0.25”), 13 mm (0.5”) & 19 mm (0.75”)
Measurement Mode: Multiple Echo
Resolution: 0.1 mm (0.005”) or 0.05 mm (0.002”)
Accuracy: ± 0.1 mm (0.005”) or ± 0.05 mm (0.002”)
Display: Red 4 character 7 segment LED
Coatings Range: Up to 6mm (Standard Mode)*; up to 20mm (Coating Plus+)*
Batteries: 3 x disposable ‘AA’ alkaline batteries or rechargeable NiMH / NiCD
Battery Life: Up to 50 hours continuous use using alkaline batteries
Gauge Dimensions: 147 mm x 90 mm x 28 mm (5.75” X 3.5” X 1”)
Gauge Weight: 320 g (11.3 ounces) including batteries
Environmental: Case rated to IP65, RoHS and WEEE compliant
Operating Temp: -10°C to +50°C (14°F to 122°F)
Storage Temp: -10°C to +60°C (14°F to 140°F)

Tritex-NDT-made-in-the-UKDownload PDF Brochure




Churchill Specialist Contracting - United Kingdom

“Very pleased with the technical advice and information provided before and after our purchase”

Sonometric - South Africa

"Tritex gauges are the best thickness gauges I have used...and they are less expensive than other makes that come close"

Marine Inspection Services - United Kingdom

"Just a quick line to say that we have been using the 5500 in some gnarly conditions here in Poland....rough steel, hot conditions & a really dusty environment & it is performing excellently"