
Kazakhstan · corrosion monitoring · pipes & vessels
Ultrasonic thickness and coating gauges Olympus
Handheld Olympus thickness gauges for one-side measurement on corroded metals, tanks and pipelines. 45MG supports optional THRU-COAT® coating measurement. Official supply and calibration support in Kazakhstan.
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Thickness gauge models
Compare entry-level 27MG, precision 38DL PLUS, versatile 45MG and high-speed 72DL PLUS for multilayer coatings.

Olympus 27MG — ultrasonic corrosion thickness gauge
Simple Olympus (Evident) ultrasonic corrosion gauge: 0.5–635 mm, 2.25–10 MHz dual element transducers, Min/Max mode at 20 readings per second, 150 h on three AA batteries, IP65, 340 g.
- 0.50–635 mm (depends on material and conditions)
- 0.1 mm or 0.01 mm

Olympus 35RDC — composite damage checker
Simple go/no-go Olympus (Evident) ultrasonic instrument for finding hidden impact damage in solid laminate aircraft composites: 0.63–22.8 mm, 5 MHz transducer, 150 h on three AA batteries, IP65, 240 g.
- impact damage in solid laminate aircraft composites
- 0.63–22.8 mm

Olympus 38DL PLUS — ultrasonic thickness gauge (replaced by 39DL PLUS)
Previous-generation Olympus general-purpose ultrasonic thickness gauge. The manufacturer (Evident) redirects the 38DL PLUS page to its successor, the 39DL PLUS, which we offer for new supply.
- replaced by the 39DL PLUS
- Olympus (Evident) 39DL PLUS

Olympus 39DL PLUS — ultrasonic thickness gauge
General-purpose Olympus (Evident) ultrasonic thickness gauge, successor to the 38DL PLUS: 0.08–635 mm, up to 60 Hz update, single and dual element transducers, THRU-COAT, Echo-to-Echo, B-scan, up to 792,832 readings, IP67, 0.83 kg.
- 0.08–635 mm
- 0.1 mm; 0.01 mm; 0.001 mm (option)

Olympus 45MG — ultrasonic thickness gauge
Olympus (Evident) ultrasonic thickness gauge: 0.08–635 mm, dual and single element transducers, Echo-to-Echo and THRU-COAT options for measuring through coatings, up to 475,000 readings, 3 AA batteries, IP67, 431 g.
- 0.08–635 mm (depends on material and transducer)
- 0.508–18.699 mm/µs

Olympus 72DL PLUS — high-frequency ultrasonic thickness gauge
Precision Olympus (Evident) ultrasonic thickness gauge: standard (0.2–30 MHz) or high-frequency (20–125 MHz) version, up to 6 layers in one measurement, resolution to 0.25 µm, 7" touchscreen, up to 2 kHz, about 400,000 readings memory.
- steel 0.20–635 mm; plastic 0.0127–25.4 mm
- standard 0.2–30 MHz; HF 20–125 MHz (−3 dB)

Olympus Magna-Mike 8600 — Hall effect thickness gauge
Magnetic Olympus (Evident) thickness gauge for nonferrous materials: a Hall effect sensor measures the distance to a steel ball, disk or wire on the other side of the wall. 0.001 to 25.4 mm, 60 Hz, VGA display, data logger.
- Hall effect, distance to target
- 0.001–2.03 mm
