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Udrell Instruments

UT-200 thickness gauge, wall readings through paint

A handheld ultrasonic gauge for pipes, tanks, and steel plate. Range, resolution, and probe options are listed on one page.

UT-200 thickness gauge, wall readings through paint

0.01mm

display resolution

0.8–300mm

measuring range in steel

40h

battery life on two AA cells

IP65

dust and water rating

1.Key specs

Measuring range0.8–300 mm in steel
Resolution0.01 mm
Accuracy±(0.5% + 0.04 mm)
Through-coating modePaint up to 2 mm
Weight280 g with batteries

2.Full specification

ItemValueNote
Measuring range0.8–300 mmSteel, standard probe
Velocity range1,000–9,999 m/sSet by material or calibration block
Through-coatingCoatings up to 2 mmEcho-to-echo mode
Data storage50 files × 100 readingsUSB export to CSV
Operating temperature−10 to +50 °CProbe face up to 60 °C

3.Where it fits

01

Pipe and tank inspection

Reads the remaining wall on corroded pipe without stripping the paint.

02

Ship hull surveys

Grid files keep readings in order, plate by plate.

03

Incoming steel checks

Checks plate and tube thickness at goods-in, before cutting.

4.Used with this gauge

01

SB-5 step calibration block

SB-5 step calibration block

Five-step steel block for setting zero and sound velocity on site.

  • Steps 2.5–12.5 mm
  • Carbon steel
  • Fitted case

02

DP-5 dual-element probe

5 MHz probe for corroded and pitted surfaces.

  • 5 MHz
  • Ø 10 mm contact face
  • 1.2 m cable

03

UT-300 data gauge

The next model up, with an A-scan screen and grid files of 10,000 readings.

  • A-scan display
  • 10,000-point grids
  • Takes the same probes

5.Used on these jobs

Refinery maintenance crew

A shutdown team logged 3,200 pipe readings in four days and exported them straight into its report.

Shipyard survey team

Surveyors check hull plate through the paint and no longer grind test spots.

6.Spec questions

Q.Do I need to remove paint before measuring?

Not for coatings up to 2 mm. Switch to echo-to-echo mode and the gauge reads the steel only.

Q.Can it measure plastic or aluminum?

Yes. Pick the material from the list, or set the velocity on a sample of known thickness.

Ask an application engineer

Email
ndt@example.com
Phone
+1 555 0157
Hours
Mon–Fri 8:00–17:00
Email engineering →
Sample brochure — fictional company