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Delta
D
& E Corp. |
36Cooke Way, Epping N.S.W. Australia
Postcode: 2121
Tel: +-61-2-98687128
Fax: +-61-2-98687439
E-mail: terrachen@delta36.com |
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| APPROVAL
SHEET OF 40T/R-18E |
| 1.
GENERAL: The specification describe the ultrasonic transducer. |
| 2.
CHARACTERISTICS: |
| PARTS NUMBR |
40T/R ¨C 18E |
| Center Frequency (KHz) |
40.0 ¡À 1.0 |
Sound Pressure Level
(0 dB£½0.0002 ¦Ì bar) |
106dB/40 ¡À 1.0KHz/
10V SN / 30 cm / Min |
| Band Width (KHz) Min |
5.0/110 dB |
| Capacitance (Pf) |
2000 ¡À 30% |
| Case Material |
Aluminum Black |
|
| 3.
OUTLINE DIMENSION: |
| A= |
18.0 |
¡À 0.2 |
 |
| B= |
12.0 |
¡À 0.4 |
| C1= |
10.0 |
¡À 0.8 |
| C2= |
7.0 |
¡À 0.5 |
| D= |
10.8 |
¡À0.2 |
| E= |
1.0 |
¡À0.1(UNIT : mm) |
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TT
: test transducer |
Rec:
recorder |
| SN
: std. microphone |
Amp:
amplifier |
| SG
: signal generator |
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Australian
Own, Australia Quality! |
