KERN & SOHN TN 60-0.01EE - Manual (Page 4)

4 TN_EE-BA-e-1410
1.3 Measuring Principle
The digital ultrasonic thickness gauge determines the thickness of a part or structure
by accurately measuring the time required for a short ultrasonic pulse generated by a
transducer to travel through the thickness of the material, reflect from the back or in-
side surface, and be returned to the transducer. The measured two-way transit time
is divided by two to account for the down-and-back travel path, and then multiplied by
the velocity of sound in the material. The result is expressed in the well-known
relationship:
2
t v
H
×
=
Where： H－Thickness of the test piece.
v－Sound Velocity in the material.
t－The measured round-trip transit time.
1.4 Configuration
Table 1-1
No Item Qty. Note
Standard
Configu-
ration 1 Main body 1
2 Sensor P5EE,
10 MHz, Ø 10mm 1
3 Couplant 1
4 Transport Case 1
5 Instruction Manual 1
6 Alkaline battery 2 AA
size
Optional
Configu-
ration 11 Data Software
(ATU-04) 1
1.5 Operating Conditions
Operating Temperature: －20
℃～＋60℃;
Storage Temperature：-30
℃～＋70℃
Relative Humidity: ≤90％
In the environment of usage vibrations, strong magnetic field, corrosive medium and
heavy dust should be avoided.