Dakota Ultrasonics MX-3-ATRR Acrylic Thickness Gauge

Price: $ 0.00

Dakota Ultrasonics MX-3-ATRR Acrylic Thickness Gauge

Dakota Ultrasonics MX-3-ATRR Acrylic Thickness Gauge Velocity Gauge

Range:0.025 - 19.99 inches -0.63 - 500 mm

Resolution:.001" (0.01 mm)


Measuring Rangel
ACRYLIC: 0.030-0.500" (0.75-12.50mm)
STEEL: 0.040-6.00" (1.00-150.0 mm)

The MX-3-ATRR Wall Thickness Gauge is specially designed to measure the thickness of acrylic from one side.

The MX-3-ATRR can be used in a Single Thickness Reading mode or in a Scan mode , where the probe is dragged over a large measuring area. The minimum thickness reading recorded during the "scan" will be displayed.

The gauge is impact-resistant and environmentally sealed to provide trouble-free operation under the toughest field conditions. Made in the USA and covered by a 5-Year warranty


  • Resolution of 0.001 inch (0.01 mm)
  • Switch-selected units for inches or mm
  • Large, backlit LCD display retains last reading
  • Metal housing is environmentally sealed to provide trouble-free operation under the toughest field conditions
  • Simple operator controls virtually eliminate training
  • CE Certified, made in USA with 5-Year warranty
  • Special-purpose probes are offered for a variety of applications
  • Includes NIST Calibration Certificate

lineMeasuring Limitsline

Minimum Radius for Convex Surfaces0.350" (8.89 mm)
Minimum Radius for Concave Surfaces3" (76.2 mm)
Minimum Headroom1" (25.0 mm)
Minimum Sample Diameter0.150" (3.8 mm)
Minimum Substrate Thickness - Fna
Minimum Substrate Thickness - NFena


RangeACRYLIC: 0.030-0.500" (0.75-12.50mm)
STEEL: 0.040-6.00" (1.00-150.0 mm)
Resolution.001" (0.01 mm)
Display4 - Digit, 0.5" Backlit LCD
Velocity Range6,500-33,000 ft./sec (2000-10,000 m/sec.)
Probe0.250" Diameter (6.35 mm), 5 MHz
Cable4 ft. (1.2 m) waterproof cable with non-polarized, quick-disconnect connectors. Optional lengths up to 50 ft. (15 m).
Temp. LimitsAmbient: -20 to 120 F (-30 to 50 C)
Material: -0 to 200 F (-20 to 100 C
Special high temperature probes are optionally available.
Battery TypeTwo AA batteries
Battery Life200 hours
Weight7 ounces (196 g)
Size2.5 x 4.5 x 1.25"
(64 x 114 x 32 mm)
Accessories IncludedProbe/cable assembly. 4 oz. bottle of coupling fluid, NIST Calibration Certificate, 2 AA batteries, operating instructions, hard-plastic carrying case.
WarrantyGauge: 5 Years
Probes: 90 Days

lineComplete Kitline

The MX-3-ATRR is supplied as a complete kit with the gauge, probe, 4 oz. bottle of coupling fluid, 2 AA batteries, NIST Calibration Certificate, and Operating Instruction Manual - all in a foam-fitted carrying case

complete kit

lineRelated Productsline

NIST-Traceable Steel Test Block
3 Sizes Available

  • Precision Machined and Finished
  • Includes NIST Report and Test Data


Uncertified Steel Test Block
For Ultrasonic Gauges
  • For convenient confirmation of thickness gauge calibration


Protective Holder for Ultrasonic Gauges

  • Constructed from heavy duty Cordura Nylon
  • Built-in belt loop


Coupling Fluid

  • Used to create an ultrasonic coupling between the probe and material to be measured
  • 12 oz Bottle


Transducer Holder

  • The V-Block transducer holder offers the operator greater control and repeatabily when measuring on pipes and other curved areas

lineBuy Nowline

Order Online
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Accessories Price
TICC-M Protective Holder for PX-7 $55.00
CF12 Coupling Fluid - 12oz $30.00
V-Block Transducer Holder $175.00
T-102-2000 Spare/Replacement 1/4 in - 5MHz, dual element transducer for MX-3-ATRR $285.00
T-104-2000 1/2 in - 5MHz, dual element transducer for thick acrylic over 1/2 in $295.00



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