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Elcometer MTG Ultrasonic Material Thickness Gauge Comparison Table
Compare the Elcometer MTG ultrasonic material thickness gauge range at a glance. Every model shares the same 0.63-500mm Pulsed Echo range and ±1% accuracy class, so the choice between the MTG2, MTG4, MTG6 and MTG8 comes down to which measurement modes, measurement rates and accuracy you need. The MTG2 is single-mode Pulsed Echo at 4Hz; the MTG4 adds Echo-Echo ThruPaint for measuring through coatings; the MTG6 and MTG8 add Velocity Mode, faster measurement rates and tighter accuracy.
Elcometer MTG2
- Measurement Mode
- Pulsed Echo (P-E)
- Measurement Rate
- 4Hz
- Thickness Range (P-E)
- 0.63-500mm
- Velocity Range
- 1250 - 10,000m/s
- Measurement Accuracy
- ±1% or ±0.1mm
- Measurement Units (selectable)
- mm
- Operating Temperature
- -10 to 50°C
- Battery Type
- 2 x AA
Elcometer MTG4
- Measurement Mode
- Pulsed Echo (P-E), Echo-Echo ThruPaint (E-E)
- Measurement Rate
- 4Hz
- Thickness Range (P-E)
- 0.63-500mm
- Velocity Range
- 1250 - 10,000m/s
- Measurement Accuracy
- ±1% or ±0.1mm
- Measurement Units (selectable)
- mm
- Operating Temperature
- -10 to 50°C
- Battery Type
- 2 x AA
Elcometer MTG6
- Measurement Mode
- Pulsed Echo (P-E), Echo-Echo ThruPaint (E-E), Velocity Mode (VM)
- Measurement Rate
- 4, 8, 16Hz
- Thickness Range (P-E)
- 0.63-500mm
- Velocity Range
- 1250 - 10,000m/s
- Measurement Accuracy
- ±1% or ±0.05mm
- Measurement Units (selectable)
- mm or m/s
- Operating Temperature
- -10 to 50°C
- Battery Type
- 2 x AA
Elcometer MTG8
- Measurement Mode
- Pulsed Echo (P-E), Echo-Echo ThruPaint (E-E), Velocity Mode (VM)
- Measurement Rate
- 4, 8, 16Hz
- Thickness Range (P-E)
- 0.63-500mm
- Velocity Range
- 1250 - 10,000m/s
- Measurement Accuracy
- ±1% or ±0.05mm
- Measurement Units (selectable)
- mm or m/s
- Operating Temperature
- -10 to 50°C
- Battery Type
- 2 x AA
Specifications
Elcometer MTG2
- Measurement Mode
- Pulsed Echo (P-E)
- Measurement Rate
- 4Hz
- Thickness Range (P-E)
- 0.63-500mm
- Velocity Range
- 1250 - 10,000m/s
- Measurement Accuracy
- ±1% or ±0.1mm
- Measurement Units (selectable)
- mm
- Operating Temperature
- -10 to 50°C
- Battery Type
- 2 x AA
Elcometer MTG4
- Measurement Mode
- Pulsed Echo (P-E), Echo-Echo ThruPaint (E-E)
- Measurement Rate
- 4Hz
- Thickness Range (P-E)
- 0.63-500mm
- Velocity Range
- 1250 - 10,000m/s
- Measurement Accuracy
- ±1% or ±0.1mm
- Measurement Units (selectable)
- mm
- Operating Temperature
- -10 to 50°C
- Battery Type
- 2 x AA
Elcometer MTG6
- Measurement Mode
- Pulsed Echo (P-E), Echo-Echo ThruPaint (E-E), Velocity Mode (VM)
- Measurement Rate
- 4, 8, 16Hz
- Thickness Range (P-E)
- 0.63-500mm
- Velocity Range
- 1250 - 10,000m/s
- Measurement Accuracy
- ±1% or ±0.05mm
- Measurement Units (selectable)
- mm or m/s
- Operating Temperature
- -10 to 50°C
- Battery Type
- 2 x AA
Elcometer MTG8
- Measurement Mode
- Pulsed Echo (P-E), Echo-Echo ThruPaint (E-E), Velocity Mode (VM)
- Measurement Rate
- 4, 8, 16Hz
- Thickness Range (P-E)
- 0.63-500mm
- Velocity Range
- 1250 - 10,000m/s
- Measurement Accuracy
- ±1% or ±0.05mm
- Measurement Units (selectable)
- mm or m/s
- Operating Temperature
- -10 to 50°C
- Battery Type
- 2 x AA
Frequently asked questions
What are the key differences between the MTG2, MTG4, MTG6 and MTG8?
The MTG2 offers Pulsed Echo only at 4Hz. The MTG4 adds Echo-Echo ThruPaint mode for measuring through coatings, also at 4Hz. The MTG6 and MTG8 add Velocity Mode and faster rates (4, 8 and 16Hz). All share the same 0.63-500mm thickness range.
When do I need Echo-Echo ThruPaint on the MTG4?
Echo-Echo ThruPaint lets you measure material thickness through protective coatings without removal. Use the MTG4 when you need to inspect coated components in service or measure coating plus substrate thickness.
What accuracy do the different MTG models offer?
The MTG2 and MTG4 deliver ±1% or ±0.1mm accuracy. The MTG6 and MTG8 improve to ±1% or ±0.05mm. Choose the tighter tolerance if your inspections demand precision on thin materials or critical applications.
Does faster measurement rate matter on the MTG6 and MTG8?
The MTG6 and MTG8 support 4Hz, 8Hz and 16Hz measurement rates, compared to 4Hz fixed on the MTG2 and MTG4. Faster rates are useful for scanning large surfaces or high-volume batch screening. Occasional hand-held inspections work well at 4Hz.
What does Velocity Mode do on the MTG6 and MTG8?
Velocity Mode, on the MTG6 and MTG8, measures the speed of ultrasonic waves through an unknown material. This is essential when material composition is uncertain or requires verification. The MTG2 and MTG4 cannot measure velocity directly.
Do all models have the same operating temperature and power requirements?
Yes. All four models operate from -10 to 50 degrees Celsius and use two AA batteries. Confirm your inspection site temperature and power availability match these specs before selection.
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