Specifications
Frequency range：500Hz-20KHz*；
200Hz-10KHz*
Working：emitter / receiver
Subjected to external hydraulic pressure：5MPa

Application & Features
Used for wideband underwater acoustic measurement in tubes
Acoustic source can be customized, designed and manufactured to the client’s specific needs

TYPE         Ex/Int Dimxthick
HJ-32/11A   Ø32/Ø11×5(mm)  44KHz  0.42Kp  1300±12.5%C(pF)   ≤20Ω
HJ-35/16A   Ø35/Ø15×5(mm)  44KHz  0.42Kp  1450±12.5%C(pF)   ≤18Ω
HJ-38/16A   Ø38/Ø15×5(mm)  42KHz  0.42Kp  1650±12.5%C(pF)   ≤15Ω
HJ-38/16B   Ø38/Ø15×5(mm)  42KHz  0.42Kp  2100±12.5%C(pF)   ≤15Ω
HJ-45/17A   Ø45/Ø15×5(mm)  38KHz  0.42Kp  2450±12.5%C(pF)   ≤11Ω
HJ-45/17B   Ø45/Ø17×6(mm)  38KHz  0.42Kp  2050±12.5%C(pF)   ≤13Ω
HJ-50/17A   Ø50/Ø17×5(mm)  35KHz  0.42Kp  2250±12.5%C(pF)   ≤20Ω
HJ-50/20B   Ø50/Ø20×5(mm)  32KHz  0.42Kp  2550±12.5%C(pF)   ≤11Ω

Specifications
Operating frequency：100kHz
Bandwidth：50kHz
Subjected to external hydraulic pressure：≥300M

Application & Features
Used for caliper logging
Wideband technique
Min blind zone
High resolution
Transmit/receive modes

Specifications
Operating frequency: 43/200kHz
Beam width: 40°/9°
Q value： 10 / 3
Rated Power (W): 400 / 600
Response of transmitting voltage: 165 dB
pressure sensitivity：-187 dB

Application & Features
Mainly used for depth-sounding in sea, river, lake and pool
Adopts wideband technique
Support single/double frequency options
Wide bandwidth
Min blind zone

Specifications
Operating frequency：33kHz，200kHz
Beam width: 14°， 9°
Rated Power: 1000W, 600W
Min blind zone： 40cm

Application & Features
Depth-sounding for delamination in sea, river, lake and pool
Adopts wideband technique works at 200kHz