ST5900 Handheld Digital Ultrasonic Thickness Gauge for Measure Steel Wall Thickness

ST 5900 is a handheld digital ultrasonic thickness gauge with a fixed velocity 5900m/s which is designed only to measure steel wall thickness.
Details:
Specifications:
Range: 1.2-200mm
Velocity: 5900m/s
Resolution: 0.1mm
Switch off: Automatic power off after 2 minutes of non-use.
Power: 1xAAA battery
Dimension: 107x60x15mm
Weight: 100g