DPA Hydrophone 8011 Manuale d'uso - Pagina 4
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User's Manual
Full Specifications
Cartridge type: Piezoelectric sensing element
Principle of operation: Pressure
Power Supply: 48 V Phantom
Frequency range: 100Hz - 20kHz ±3dB
Directional characteristics: Omnidirectional
Sensitivity: Nominally 0.7mV/Pa ±2dB
Equivalent noise level A-weighted: Typ. <8µV
Max SPL: 162dB SPL peak
Output impedance: <300 Ohm
Polarity: Positively increasing sound pressure produces positive-going voltage
at pin 2. Pin 1: Ground, Pin 2: Signal +, Pin 3: Signal return
Operating temperature range: -10° to +50° C (+14° to 122°F)
Dimensions: Microphone length: 150mm (5.7in); Capsule diameter: 32mm (1.2in)
Weight: 500g (1.1lbs) (incl. cable)
Frequency Response
Potentiometer Range:
Br el & Kj r
Measuring Obj.
dB
10
0
-10
-20
Rec. No.:
Date:
Sign:
-30
100
Hz
QP 1124
Multiply Freq. Scale by
Typical on-axis reponse in water.
dB
Rectifier:
200
500
Lower Lim. Freq.:
Hz
1 kHz
2
Zero Level:
Wr. Speed:
mm/sec. Paper Speed:
5
10
(1612/2112)
mm/sec.
20 kHz
94005e
A B C Lin.
3