It is ultrasonic thickness meter with can measure 19 different materials with economic price .

 FEATURES

 . Ultrasonic measures thickness

 . Various materialmetal/glass/plastics/pottery and other materialsoptional

 . Ultrasonic velocity adjustable

. Measuring velocity function

. Thickness unit mm/inch convertible

. Coupling indication

. Build in a metal piece for calibration

. Low battery voltage indication.

 .Auto power off

   SPECIFICATIONS

  .According to European unions CE safety norms

  .Ultrasonic frequency: 5MHz

  .Digital display:     4 digitals.

.Measuring range:   1.2mm~225mm(steel)

.Pipe measures:     minimum dia. 20*3mm(steel)

.Velocity range:     1000~9999 meter/second

.Resolution:        0.1 mm.

.Accuracy:         ±(1%H+0.1mm)

. Response time:     0.5 S

 .Operating temperature: 0~40 C

  .Operating humidity:  10 to 90%RH

      .

Accessories included:

FREE 1.5V x3 AAA batteriesFREE Protective carrying caseFREE Wrist Strap / StringUser's Manual

Metal for sensor calibration

thickness meter ultrasonic VA8041