Transducer - Novatest ZBL-U5 Series Instruction Manual

Manual for ZBL-U5 series of Ultrasonic Detector
2.1.1.11 Stand
The angle of the back bracket is adjusted to stand the instrument
on a horizontal table to keep a certain inclination to facilitate the user's
operations.
2.1.1.12 Name plate
It marks the company name, production date, manufacturing
number and so on.

2.1.2 Transducer

1. Planar Transducer
Composite-structure longitudinal vibration transducer (also
known as sandwich or trumpet type transducer, commonly known as
"planar transducer" as shown in Figure 2.2) is a kind of simple
radiator utilizing thickness vibration of piezoelectric ceramics. Planar
transducer, with interchangeable radiation and receiving functions, is
used to test concrete strength and internal defect, etc.
Figure 2.2 Planar transducer
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