80 YEARS · 1946-2026
Elcometer MTG6 Ultrasonic Material Thickness Gauge
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About this product

The Elcometer MTG6 Ultrasonic Material Thickness Gauge (part numbers MTG6DL gauge only and MTG6DL-TXC with transducer) is an ultrasonic gauge with extended calibration, measurement and data-logging options for taking readings on a wide range of coated and uncoated materials and downloading the data for analysis and reporting. Ultrasonic thickness testing is a non-destructive method used where only one side of the material is accessible, such as pipelines and storage tanks, making the Elcometer MTG6 Ultrasonic Material Thickness Gauge suited to monitoring corrosion and erosion and keeping a record of measurements over time.

The Elcometer MTG6 Ultrasonic Material Thickness Gauge offers Pulsed-Echo (P-E) mode over 0.63 to 500 mm, Echo-Echo ThruPaint (E-E) mode over 2.54 to 20.00 mm for measuring through coatings, and Velocity Mode (VM), which is used to determine the homogeneity of a material or alloy and the correct velocity for calibration. The velocity range is 1250 to 10,000 m/s and accuracy is plus or minus 1 percent or plus or minus 0.05 mm. The measurement rate is user selectable at 4, 8 or 16 Hz, with a high speed scan mode for covering a large surface area, and reading resolution is selectable at 0.1 mm or 0.01 mm. Calibration options for the Elcometer MTG6 Ultrasonic Material Thickness Gauge include 2-point, 1-point, material, velocity, known thickness value and factory reset.

Display can be set to readings, selected statistics, a thickness bar graph or a run chart. The gauge memory of the Elcometer MTG6 Ultrasonic Material Thickness Gauge stores a single sequential batch of up to 1,500 readings, and data is output via USB and Bluetooth to ElcoMaster and the ElcoMaster Mobile App on PC, iOS or Android devices. The Elcometer MTG6 Ultrasonic Material Thickness Gauge is tough, waterproof and dust resistant to IP54, with a 2.4 inch TFT colour screen, ambient light sensor and emergency light, and carries a 2 year warranty. It conforms to ASTM E797, EN 14127 and EN 15317. Used in NDT, corrosion and coatings inspection, and supplied by BAMR, South Africa's authorised Elcometer distributor.

Elcometer

Elcometer MTG6 Ultrasonic Material Thickness Gauge

SKU · MTG6DL-TXC (+1 more)

With a choice of calibration options, measurement modes - including high speed scan mode, display options and data-logging, the Elcometer MTG6 Ultrasonic Thickness Gauge is ideal for taking readings on a wide range of coated and uncoated materials and downloading data for further analysis and reporting.

  • Pulsed-Echo (P-E), Echo-Echo ThruPaint™ & Velocity (VM) measurement modes
  • 2-Point, 1-Point, Material, Velocity, Thickness Set and Factory calibration options
  • User selectable measurement rate; 4, 8, 16 readings per second
  • User selectable reading resolution; 0.1mm or 0.01mm
  • Scan Mode
  • Readings, Selected Statistics, Bar Graph & Run Chart
  • Gauge memory; single sequential batch of up to 1,500 readings
  • USB and Bluetooth® data output to ElcoMaster® and ElcoMaster® Mobile Apps
Indicative price
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Used by inspection teams in
RefiningMarineMiningBridge / civil
When to use this
Decision guide

When to use the Elcometer MTG6

You need to measure material thickness on a range of coated and uncoated parts, then download the figures for analysis and reporting. The MTG6 takes readings through paint, logs them on the gauge and transfers them to ElcoMaster for documentation. It suits inspectors who measure across mixed materials and want their data tidied up afterwards.

  • 1
    Reads through applied paint
    Echo-Echo ThruPaint mode reports true metal thickness without stripping the coating, so you can check a painted structure in place rather than grinding back to bare substrate.
  • 2
    Three measurement modes on one gauge
    Pulsed-Echo, Echo-Echo and Velocity modes let you switch between coated work, uncoated work and velocity checks without carrying a second instrument to site.
  • 3
    Logged data straight to ElcoMaster
    A single batch of up to 1,500 readings transfers over USB or Bluetooth, so you build a report from recorded values instead of writing readings down by hand.
  • 4
    Fast scanning for thin-point hunting
    Scan Mode at up to 16 readings per second lets you sweep an area to find the thinnest point quickly, useful when you are screening a surface rather than spot-checking.
Standards

Standards

ASTM
ASTM E797
EN
EN 14127
EN
EN15317
Accessories

Accessories

T920CALSTD-SET1Calibration Standard Set
T920CALSTD-SET2Calibration Standard Set
T920CALSTD-HLDCalibration Holder; for thicknesses up to 100mm
T920CALSTD-2
T920CALSTD-5
T920CALSTD-10
T920CALSTD-15
T920CALSTD-20
T920CALSTD-25
T920CALSTD-30
T920CALSTD-40
T920CALSTD-50
T920CALSTD-60
T920CALSTD-70
T920CALSTD-80
T920CALSTD-90
T920CALSTD-100
Specifications

Specifications

● = available / compatible with that option or model

MTG2MTG4MTG6MTG8
Easy to use menu structure in multiple languages●●●●
Tough, impact, waterproof and dust resistant - equal to IP54●●●●
Bright colour screen with permanent backlight●●●●
Ambient light sensor, with adjustable brightness●●●●
Scratch and solvent resistant display; 2.4″ (6cm) TFT●●●●
Large positive feedback buttons●●●●
USB power supply via PC●●●●
Low battery indicator●●●●
Emergency light●●●●
Tap awake from sleep●●●●
Gauge software updates 1 via ElcoMaster® Software●●●●
2 year gauge warranty 2●●●●
Limits: 40 user definable audible & visual pass/fail warnings●
Measurement Mode
Pulsed Echo (P-E)●●●●
Echo-Echo ThruPaint TM (E-E)●●●
Velocity Mode (VM)●●
Measurement Rate
4, 8, 16Hz4Hz4Hz4, 8, 16Hz 34, 8, 16Hz 3
Thickness Range 4
P-E: 0.63-500mm●●●●
E-E: 2.54 - 20.00mm●●●
Velocity Range1250 - 10,000m/s1250 - 10,000m/s1250 - 10,000m/s1250 - 10,000m/s
Measurement Accuracy 5±1% or ±0.1mm±1% or ±0.1mm±1% or ±0.05mm±1% or ±0.05mm
Measurement Units (selectable)mmmmmm or m/smm or m/s
Repeatability / Stability Indicator●●●●
Display Mode:
Reading●●●●
Selected statistics●●
Scan thickness bar graph●●
Run Chart●●
Readings and Differential●
B-Scan cross sectional display●
Selectable Reading Resolution
Lo; ie 0.1mm, 10m/s●●●●
Hi; ie 0.01mm, 1m/s●●
On Screen Statistics
Number of readings n; mean average ẋ;●●
standard deviation σ
Lowest reading Lo; Highest reading Hi●●
Low limit value●
High limit value●
Number of readings below low limit●
Number of readings above high limit●
Nominal Value x●
Range●
Calibration Options
Zero set: using the integral zero disc●●●●
1 - point●●●
2 - point●●
Material selection; present choice of 39 materials●●●
Factory; resets to the factory calibration●●●
Velocity (speed of sound)●●
Known thickness value●●
Calibration Features
Calibration lock: with optional PIN code unlock●●
Test calibration feature●●
Calibration memories: 3 - programmable memories●
Measurement outside calibration warning●●
Data Logging
Number of readings1,500100,000
Number of batches11,000
Reading save function●●
Sequential batching; a listed-based storage of readings●●
Grid batching; reading storage in a 2 dimensional array●
Fixed batch size mode; with batch linking●
Obstruct entry; add 'obstruct' label into grid location●
Delete last reading●●
Date & time stamp●●
Review, clear & delete batches●●
Alpha numeric batch names; user definable●
Copy batches and calibration settings●
Live reading trend graph in batching mode●
Batch review graph●
Data Output
USB; to computer●●●●
Bluetooth® to computer, Android TM & iOS devices●●
ElcoMaster® Software●●
Transducer Probe Type
Dual element●●●●
Auto transducer recognition●●●●
Auto V-path correction●●●●
Battery Type2 x AA2 x AA2 x AA2 x AA
Battery Life (approximate) 6
Alkaline: 15 hours●●●●
Lithium: 28 hours●●●●
Operating Temperature-10 to 50°C-10 to 50°C-10 to 50°C-10 to 50°C
Size (w x h x d)145 x 73 x 37mm145 x 73 x 37mm145 x 73 x 37mm145 x 73 x 37mm
Weight (including batteries, without transducer)210g210g210g210g
Part Number (with Transducer) 7MTG2-TXCMTG4-TXCMTG6DL-TXCMTG8BDL-TXC
Part Number (gauge only)MTG4MTG6DLMTG8BDL
Downloads
Videos

Videos

Answers

Frequently asked questions

What measurement modes does the MTG6 support and how do they differ from the MTG2?

The MTG6 adds Echo-Echo ThruPaint (E-E, range 2.54 to 20.00mm) and Velocity Mode (VM) to the Pulsed Echo (P-E) mode. The MTG2 supports P-E only. P-E range is 0.63 to 500mm across all models.

How accurate is the MTG6 compared with the entry-level MTG2?

The MTG6 is rated plus or minus 1% or plus or minus 0.05mm, a finer floor than the MTG2's plus or minus 0.1mm. Resolution can also be set to 0.01mm on the MTG6 versus 0.1mm on the MTG2.

What data logging capability does the MTG6 have?

The MTG6 logs up to 1,500 readings in a single batch with sequential batching, date and time stamping, delete last reading, and batch review functions. Data transfers via USB or Bluetooth to computers and Android and iOS devices.

What calibration options are available on the MTG6?

The MTG6 supports zero set via the integral disc, 1-point, 2-point, material selection from 39 presets, factory reset, velocity calibration, and known thickness calibration. Calibration lock with optional PIN and a test calibration feature are also included.

What display modes and on-screen statistics can the MTG6 show?

The MTG6 can display a reading, selected statistics, scan thickness bar graph, and run chart. On-screen statistics include number of readings, mean average, standard deviation, and lowest and highest readings.

How is the MTG6 powered and what is the battery life?

The MTG6 uses two AA batteries. Alkaline cells give approximately 15 hours and lithium cells approximately 28 hours. The gauge can also be powered via USB from a PC.

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