Ultrasonic Wall Thickness Gauge | Checkline MiniTest 430

Includes built-in datalogger with USB outputSturdy and accurate ultrasonic thickness gauge based on the ultrasonic pulse run-time method.

6 ultrasonic probes with frequencies ranging between 2 and 10 MHz in different designs offer a broad spectrum of applications and thickness measurements ranging from 0.65 mm to 500 mm. A high temperature ultrasonic probe is also available, designed for measurement of hot materials with temperatures of up to 350 °C.

The device is equipped for automatic detection of the intelligent ultrasonic probes and re-calibration is not required upon switching probes. The calibration data of the sensor is saved in the probe.

Uninterrupted scanning of a part for thinning is possible at the minimum mode.

Features

  • Includes Factory “Works” Calibration Certificate.
  • NIST Traceable Calibration Certificate optionally available at additional cost
  • Suitable for measurement of various materials including steel, stainless steel, aluminum, glass, plastics (PS/PE)
  • Built-in Datalogger with 5000 data values (500 values in 10 batches ) with USB Output
  • Includes “Scan-Mode” to display MIN and MAX values at 10 readings/second
  • Adjustable units inch/mm
  • Resolution of 0.001″ (0.01 mm)
  • Automatic identification of probes
  • Automatic Probe Zero function
  • Uses Pulse-Echo Principle of Ultrasonics
  • Sensitivity can be set to “Auto” or “Manual”
  • Several Transducers are optionally available including one for High Temperature materials (350 °C)
  • Warranty 1-Year
  • Made in Germany

Specifications

Measuring range Pulse Echo: With standard transducer U5.0: 0.8 – 350 mm (0.03 – 13.8″)
(For ranges of other transducers see table)
Resolution 0.01mm (0 – 99.9 mm), 0.1(> 100 mm)
Display 128 x 64 pixels with backlight
Velocity Range 0.0492 to .3937 in/μs. 1250 to 10,000 meters/sec
preset sound velocity of 9 materials
Measuring mode (Pulse-Echo)
Standard: normal operation
Minimum : detection of thinnest point
Difference: deviation of reading to preset value
Alarm

(Scan)
High speed scan for high temperature surfaces

Probe Standard transducer U5.0: 8mm (0.31″)
(For diameter of other transducers see table)
Operation Temperature -20 to 50°C (-4 to 122°F)
Cable Software and data transmission cable
Battery Type Two AA batteries
Battery Life more than 80 hours under continuous operation
Weight approx. 6.70 oz (190 g)
Size 5.1 x 2.9 x 0.94″
(130 X 73 X 24 mm)
Accessories Included U5.0 5 MHz standard transducer, Operating instructions, two 1.5V AA batteries, Plastic carrying case, Coupling liquid (200 ml), cable
Data storage 10 groups with max. 500 values each
Data interface USB
Calibration automatic
Housing Protection IP40

Technical Data of Transducers

Type Diameter Frequency Measuring Range Material Temperature Application
U5.0 8 mm
0.31″
5.0 MHz 0.8 – 350 mm
0.031 – 13.8″
-12 to 60 °C on flat surfaces or huge curvature radii
U2.0 12 mm
0.47″
2.0 MHz 2.0 – 500 mm
0.079 – 19.7″
-12 to 60 °C rough surfaces such as cast iron
U7.5 6 mm
0.24″
7.5 MHz 0.65 – 50 mm
0.026 – 1.97″
-12 to 60 °C thin w all thickness and small curvature radii
U10.0 4 mm
0.16″
10.0 MHz 0.65 – 20 mm
0.026 – 0.79″
-12 to 60 °C small tube diameters
U5.0HT 13 mm
0.51″
5.0 MHz 3.0 – 200 mm
0.12 – 7.87″
-12 to 350 °C for temperatures up to 350 °C

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