Benthowave Instrument Inc.

BENTHOWAVE INSTRUMENT INC. Acoustic Transducer & System 


Transducer Handling Warning: Wrongful handling may damage the transducer beyond repair.
Keep transducer and cable away from any sharp item.
Remove any saltwater spray/moisture with cloth.
Do not drive the transducer when it is in air.
Do not move/lift the transducer by the cable in air.
Do not squeeze/step on the transducer and cable.
Handle the transducer gently, avoid impacts and collision.
After use, rinse the transducer and cable in fresh clean water, dry it with cloth.
Do not use high pressure water/sand blasting/metal tools to clean the transducer face.
Do not use strong solvents to clean the transducer face.
Do not expose the transducer to direct sunlight or excessive heat.

Connector Size: useful to choose mounting/installation parts of the transducers/hydrophones

Connector: Male BNC 6.35mm TRS 3.5mm TRS XLR MIL-5015 +9VDC Battery Snap Underwater Mateable Connector
Biggest Size: ΦD14.3mm ΦD16mm ΦD10.5mm ΦD20.2mm ΦD30mm ΦD13mm ΦD35mm or ΦD21.5mm

Acoustic Transducer Installation/Mounting

Free-hanging
(FH)

Maximum Depth:
Plastics: 300m
Stainless Steel: 2000m
Free-hanging
Connector Options:
1. Wire Leads
2. Male BNC
3. 1/8" (3.5mm) TRS Plug
4. 1/4" (6.35mm) TRS Plug
5. XLR (pin)
6. MIL-5015 Style (Not Water Proofed) (pin)
7. Underwater Mateable Connector (pin)
8.  +9VDC Battery Snap (BS)
    (Exclusive to preamplified hydrophone)

9. Custom
Thru-hole (Stainless Steel)
(Single O-ring Sealing)
(THSO)

Maximum Depth: 2500m

O-ring, flat washer and lock nut are included.
Fastening Torque: ≤14 Nm
Thickness of Mounting Wall ≤10 mm

Note: If the connector ordered is larger than the mounting hole, BII does NOT assemble the connector to cable end, and BII ships it to buyer. It is buyer's responsibility to assemble the connector to cable end at buyer's cost.
Thru-hole Mounting
Thru-hole Mounting
Thru-hole (Stainless Steel)
(Double O-ring Sealing)
(THDO)

Maximum Depth: 2500m

O-rings, flat washer and lock nut are included.
Fastening Torque: ≤14 Nm
Thickness of Mounting Wall: 8 to 15 mm

Note: If the connector ordered is larger than the mounting hole, BII does NOT assemble the connector to cable end, and BII ships it to buyer. It is buyer's responsibility to assemble the connector to cable end at buyer's cost.
Thru-hole Mounting
Thru-hole Mounting
Thru-hole (Stainless Steel)+Free Hanging 
(O-ring Sealing)
(THFHP and THFHSS)


Maximum Depth:
Plastics (Free Hanging): 300m (THFHP)
Stainless Steel (Free Hanging): 2000m (THFHSS)

O-ring, flat washer and lock nut are included.
Fastening Torque: ≤14Nm
Thickness of Mounting Wall ≤10mm

Note: If the connector ordered is larger than the mounting hole, BII does NOT assemble the connector to cable end, and BII ships it to buyer. It is buyer's responsibility to assemble the connector to cable end at buyer's cost.
Thru-hole + Free Hanging
Thru-hole Mounting 
Bolt-Fastening Mount (Stainless Steel)
(BFMSS)

Maximum Depth: 2000m

Lock nut: included.
Flat washer: included ONLY for heavy transducer (weight>5kg).

Mounting Hole: 16.0±0.1mm
Mounting Wall Thickness: <=10mm
Fastening Torque: ≤30Nm

Portable Mounting Apparatus

Tips: If the connector ordered is larger than the mounting hole, a slot cut on mounting apparatus is a must for cable passing though.
portable-mounting apparatus portable-mounting apparatus
Bolt-Fastening Mount (Plastics)
(BFMP)

Maximum Depth: 300m

Lock nut: included.
Mounting Hole: 17.0±0.1mm
Mounting Wall Thickness: <=10mm
Fastening Torque: ≤2.5 Nm

Portable Mounting Apparatus

Tips: If the connector ordered is larger than the mounting hole, a slot cut on mounting apparatus is a must for cable passing though.
portable-mounting apparatus
portable-mounting apparatus
End Face Mount (O-ring Sealing)
for Cable of Single-channel Transducer
(EFMS)

Maximum Depth: 1000m

6 M6x1x12.7 Equal Spacing on 31mm PCD
M6x1 Screws and O-ring: included
PCD: Pitch Circle Diameter
End-face Mounting End Face Mounting
End Face Mount (O-ring Sealing)
for Cable Bundle of Multi-channel Array
(EFMM)
Exclusive to be used in:
BII-7630  Series Phased Array
BII-7660  Series Multibeam Transducers
BII-7710  Series Panoramic Transducers
Maximum Depth: 1000m
6 M6x1x12.7 Equal Spacing on 37mm PCD
M6x1 Screws and O-ring: included
PCD: Pitch Circle Diameter
End-face Mounting End Face Mounting
Flange Mount (Marine Sealant)
at Rear of Transducer
(FGMR)

Maximum Depth: 100m
8 M6x1 Equal Spacing on 190mm PCD
M6x1 Screws: included.
Marine Sealant: NOT included.
PCD: Pitch Circle Diameter
Flange Mounting  Flange Mounting
Flange Mount (Marine Sealant)
at Front of Transducer
(FGMF)

Maximum Depth: 100m
8 M6x1 Equal Spacing on 190mm PCD
M6x1 Screws: included.
Marine Sealant: NOT included.
PCD: Pitch Circle Diameter
Flange Mounting  Flange Face Mounting
Flush Mount (Marine Sealant)
(FSM)

Counterbore Mounting Hole
Maximum Depth: 100m to 300m
Lock Nut: included
Marine Sealant: NOT included.

Fastening Torque: ≤14Nm

BII does NOT provide Marine Sealants. Buyer needs to buy Marine Sealants from buyer's local stores.
Generally the stores that sell boats and boat repair part/material have marine sealants in stock, or buyer may use search engine to locate the suppliers online.
Flush Mounting Transducer  Flush Mounting