In addition to the entire functions of UM-1, UM-2 has the additional functions:
1, 0.01mm Resolution.
2, 7 built-in probe compensating lines.
3, Two-spot Calibration: Favorable linearity will be provided measuring the wall thickness of the curved surface.
Ultrasonic pulse/echo method with dual-crystal probes
0.8-300mm (standard method) depending on probe ,material and surface condition
Unit , Display Resolution
Probe zero adjustment 1-Point Calibration (normal measurement)
2-Point Calibration (curve surface measurement or other special application with a high precision)
Up to 10mm:±0.05mm
Above 10mm: ±(0.5%H+0.01)mm
H is the height of testing object
128×64dot-matrix LCD screen with EL backlight (42×57mm)
Measuremet Update Rate
4Hz in Standard Mode
Material Velocity Range
Data Logger Capacity
Up to 500 readings can be divided into a maximum of 5 files(user-selectable)
Two 1.5V AA alkaline batteries warning with low battery voltage.
Up to 200 hours(without backlight with alkaline batteries)
After 5 minutes of non-use
-10 ºC- +50 ºC, Specification to -20 ºC on request
200g including batteries
UM-2 thickness gauge unit
couplant (Empty Bottle)
Certificate of Quality
Rubber sheath; Numerous special probes on request
4-step/5-step/6-step calibration block;
Couplant and high-temperature couplant;Application software with Data transmission cable