Benthowave Instrument Inc.

BENTHOWAVE INSTRUMENT INC. Acoustic Transducer & System 

How to order BII Products

Abbreviation List

DW: Deep Water SE: Single Ended Output/Unbalanced DF: Differential Output/Balanced
     
TRIM:  TR Switch and IM IM: Impedance Matching & Tuning TR: Transmit & Receive Switch
     
FH: Free Hanging THM: Thru-hole Mounting THSO: Thru-hole Mounting, Single O-ring
THDO: Thru-hole Mounting, Double O-ring BFM: Bolt Fastening Mounting BFMP: Bolt Fastening Mounting, Plastics
BFMSS: Bolt Fastening Mounting, Stainless steel EFM: End-face Mounting EFMM: End-face Mounting for Array Cable Bundle
EFMS: End-face Mounting for Single Channel FGM: Flange Mounting FGMR: Flange Mounting at Rear of Transducer
FGMF: Flange Mounting at Front of Transducer THFHP: Thru-hole+Free Hanging (Plastics) THFHSS: Thru-hole+Free Hanging (SS)
FSM: Flush Mounting    
     
Coax: Coax (ΦD=2.8mm) SC36: Shielded cable (ΦD=3.6mm) SC65: Shielded cable (ΦD=6.5mm)
RG58: RG58 50Ω Coax RG174: RG174/U 50Ω Coax SC: Shielded Cable
WR: Wires WCB: Wire/Cable Bundle HTWR: High Temperature Wires
HTSC: High Temperature Shielded Cable    
     
WL: Wire Leads BNC: BNC Male 50Ω TRS: TRS Plug
TRS35: 3.5mm TRS Plug TRS635: 6.35 mm TRS Plug XRL: XRL Plug
UMC: Underwater Mateable Connector 5015: MIL-5015 style BS: +9V Battery Snap
 
Note: The following length is available for RG58 Coax with BNC male: 0.15m, 0.3m, 0.5m, 0.6m, 1m, 1.5m, 2m, 2.5m, 3m, 3.5m, 4m, 4.5m, 5m, 7m, 8m, 10m, 15m, 20m, 25m, 30m.
 
Click Hydrophone/Transducer Orientation for more information in detail.
SPH: Beam generated by piezo sphere. Generally, -3dB beamwidth at fr: 360°x250° in XY and ZX plane, frequency dependent.
HSPH: Beam generated by piezo hemisphere. Generally, -3dB beamwidth at fr: 360°x70° in XY and ZX plane, frequency dependent.
CLD: Beam generated by piezo cylinder. Generally, -3dB beamwidth at fr: 360°x(40°~80°) in XY and ZX plane, frequency dependent.
/xx: -3dB conical beamwidth in ZX and ZY plane.
/xxXxx: -3dB fan-shaped beamwidth, first two xx is in ZX (or Along-track) plane and last two xx is in ZY (or Cross-track) plane.

How to order Hydrophones

If a hydrophone does not support a specific parameter, or the default parameter stated in the specs is to be ordered, please ignore that parameter or use blank.

How to Order BII-7200 Series Hydrophone
BII-7200 xx /xx /xx or /xxXxx -xx -xx -xx -xx -xx -xx
Hydrophone Depth
Blank
DW
fr Frequency
in kHz
-3dB Beamwidth
in Degree
Blank
Preamplifier Gain
in dB
Blank
SE
DF
Mounting Cable Length
in meter
Cable Connector
Example of Part Number: Description
BII-7200/30/20-THSO-0.1-SC-WL BII-7200 transducer, 30kHz, 20° Conical Beamwidth, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
BII-7200DW/200/3-THSO-0.1-SC-WL BII-7200 transducer, 500m depth rating, 200kHz, 3° Conical Beamwidth, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
BII-7200DW/200/3X120-THSO-0.1-SC-WL BII-7200 transducer, 500m depth rating, 200kHz, 3°x120° Fan-shaped Beamwidth, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
   
BII-7200/30/20-40-DF-THSO-0.1-SC-WL BII-7200 transducer, 30kHz, 20° Conical Beamwidth, 40dB preamplifier, Differential Output, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
BII-7200/37.5/SPH-40-DF-FH-10-SC-BNC/BS BII-7200 transducer, 37.5kHz, Spherical Beam, 40dB preamplifier, Differential Output, Free Hanging, 10m Shielded Cable, BNC and  +9V Battery Snap.
   
How to Order Other BII Hydrophones
BII-7XXX xx -xx -xx -xx -xx -xx -xx -xx/xx
Hydrophone Blank
DW
Blank
Preamplifier Gain
in dB
SE
DF
High Pass Filter
Blank (default)
in kHz
Mounting Cable Length
in meter
Cable Connector
Example of Part Number: Description
BII-7011-SE-FH-6.0-Coax-BNC BII-7011 Hydrophone, Single Ended Output, Free Hanging, 6m Coax, BNC.
BII-7011-DF-THSO-0.1-SC36-WL BII-7011 Hydrophone, Differential Output, Thru-hole Mounting (Single O-ring), 0.1m ΦD3.6mm Shielded Cable, Wire leads.
BII-7011-DF-BFMP-0.2-SC65-UMC BII-7011 Hydrophone, Differential Output, Bolt Fastening Mounting (Plastics), 0.2m ΦD6.5mm Shielded Cable, Underwater Mateable Connector.
BII-7016DW-26-SE-THSO-0.1-SC-WL BII-7016DW Hydrophone, 26dB Preamplifier, Single Ended Output, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire Leads.
BII-7016-26-SE-0.3-FH-10-SC-BNC/BS BII-7016 Hydrophone, 26dB Preamplifier, Single Ended Output, 0.3kHz High Pass Filter, Free Hanging, 10m Shielded Cable, BNC and +9V Battery Snap.

How to order Transducers

If a transducer does not support a specific parameter, or the default parameter stated in the specs is to be ordered, please ignore that parameter or use blank.

How to Order  BII-7640 Series Transducers
BII-764X xx xx -xx -xx /xx -xx -xx -xx -xx -xx
Transducer Blank
DW
Blank
IM
Blank
Frequency
in kHz
Blank
Matching Impedance
in Ω
or BII Power Amplifier
Receiving Gain
in dB
Blank
High Pass Filter
in kHz
Mounting Cable Length
in meter
Cable Connector
Example of Part Number: Description
BII-7642/40-THSO-0.1-WCB-WL BII-7642 transducer, 40dB Preamplifier Gain, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable & Wires, Wire Leads.
BII-7642IM-30-50/40-5.0-FH-20-SC-WL BII-7642 transducer, Built-in Impedance Matching at 30kHz, 50Ω, 40dB Preamplifier Gain, 5kHz high Pass Filter, Free Hanging, 20m Shielded Cable, Wire Leads
BII-7642IM-30-BII-5061/40-5.0-FH-20-SC-WL BII-7642 transducer, Built-in Impedance Matching at 30kHz to BII-5061 Power Amplifier, 40dB Preamplifier Gain, 5kHz high Pass Filter, Free Hanging, 20m Shielded Cable, Wire Leads
   
How to Order BII-7660 Series and BII-7710 Series Transducers
BII-7XXX -xx -xx -SC -xx -Coax -WL
BII-7660 Series
BII-7710 Series
Mounting
EFM
FGM
BFMSS
Transmit Cable Length
in meter
Transmit Cable Type Receive Cable Length
in meter
Receive Cable Connector
Example of Part Number: Description
BII-7668-EFM-0.2-SC-0.2-Coax-WL BII-7668 transducer, End-face Mounting, 0.2m shielded cable (Transmit), 0.2m Coax (Receive), Wire leads.
BII-7668-EFM-0.5-SC-0.2-Coax-WL BII-7668 transducer, End-face Mounting, 0.5m shielded cable (Transmit), 0.2m Coax (Receive), Wire leads.
   
BII-7715-EFM-0.2-SC-0.2-Coax-WL BII-7715 transducer, End-face Mounting, 0.2m shielded cable (Transmit), 0.2m Coax (Receive), Wire leads.
BII-7715-FGM-0.5-SC-0.2-Coax-WL BII-7715 transducer, Flange Mounting, 0.5m shielded cable (Transmit), 0.2m Coax (Receive), Wire leads.
   
How to Order  BII-7730 Series Transducers
BII-7730 xx xx /xx /xx or /xxXxx -xx -xx -xx -xx -xx
Transducer Depth
Blank
DW
Blank
IM
TRIM
fr Frequency
in kHz
-3dB Beamwidth
in Degree
Blank
Matching Impedance
in Ω 
Mounting Cable Length
in meter
Cable Connector
Example of Part Number: Description
BII-7730/30/20-THSO-0.1-SC-WL BII-7730 transducer, 30kHz, 20° Conical Beamwidth, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
BII-7730/100/5X120-THSO-0.1-SC-WL BII-7730 transducer, 30kHz, 5°x120° Fan-shaped Beamwidth, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
BII-7730DW/200/3-THSO-0.1-SC-WL BII-7730 transducer, 500m depth rating, 200kHz, 3° Conical Beamwidth, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
BII-7730DW/200/3X90-THSO-0.1-SC-WL BII-7730 transducer, 500m depth rating, 200kHz, 3°x90° Fan-shaped Beamwidth, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
BII-7730IM/30/20-67-FH-1.0-SC-UMC BII-7730 transducer, Built-in Impedance Matching, 30kHz, 20° Conical Beamwidth, 67Ω, Free Hanging, 1m Shielded Cable, Underwater Mateable Connector.
BII-7730TRIM/30/20-67-FH-1.0-SC-WL BII-7730 transducer, Built-in TR Switch and Impedance Matching, 30kHz, 20° Conical Beamwidth, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
How to Order  BII-7740 Series Transducers
BII-7740 xx /xx -xx -xx -xx -xx -xx -xx -xx -xx
Transducer Depth
Blank
DW
fr Frequency
in kHz
Diameter of Center Circular Element
in mm
Radial Length of Ring Element
in mm
Spacing of Ring elements
in mm
Number of Elements Mounting Cable Length
in meter
Cable Connector
Example of Part Number: Description
BII-7740/70-20-7-10-8-FH-10-SC-WL BII-7740 transducer, 70kHz, Diameter of Center Circular Element: 20mm, Radial Length of Ring Element: 7mm, Spacing of Ring Elements: 10mm, 8 Array Elements, Free Hanging, 10m Shielded Cable, Wire leads.
BII-7740DW/70-20-7-10-8-EFM-0.3-WCB-WL BII-7740 transducer, 500m Depth Rating, 70kHz, Diameter of Center Circular Element: 20mm, Radial Length of Ring Element: 7mm, Spacing of Ring Elements: 10mm, 8 Array Elements, End-face Mounting, 0.3m Wire/Cable Bundle, Wire leads.
   
How to Order Other BII Transducers
BII-7XXX xx /xx xx -xx/xx -xx /xx -xx -xx -xx -xx
Transducer Blank
DW
Blank
Radiation Face: FR or BT
Blank
IM
TR
TRIM
Blank
Frequency
in kHz
Blank
Matching Impedance
in Ω
or BII Power Amplifier
Blank
Beamwidth
in Degree
Mounting Cable Length
in meter
Cable Connector
Example of Part Number: Description
BII-7506IM/50-BII-5061-FH-1.0-SC-WL BII-7506 transducer, Built-in Impedance Matching at 50kHz to BII-5061 Power Amplifier, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7503-THSO-0.1-SC-WL BII-7503 transducer, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
BII-7506-THSO-0.1-SC-WL BII-7506 transducer, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
BII-7506IM/100-67-FH-1.0-SC-WL BII-7506 transducer, Built-in Impedance Matching at 100kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7506IM/50/100-67-FH-1.0-SC-WL BII-7506 transducer, Built-in Impedance Matching at 50kHz & 100kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7506TR-FH-1.0-SC-WL BII-7506 transducer, Built-in Transmit & Receive Switch , Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7506TRIM/50-67-FH-1.0-SC-WL BII-7506 transducer, Built-in TR Switch and Impedance Matching at 50kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7516-THSO-0.1-SC-WL BII-7516 transducer, Thru-hole Mounting (Single O-ring), 0.1m shielded cable, Wire leads.
BII-7517CBIM-67/10-FH-1.0-SC-WL BII-7517CB transducer, Built-in Impedance Matching, 67Ω, Beamwidth 10⁰,Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7517CBTR-FH-1.0-SC-WL BII-7517CB transducer, Built-in Transmit & Receive Switch , Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7517CBTRIM-67-FH-1.0-SC-WL BII-7517CB transducer, Built-in TR Switch and Impedance Matching, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7521-THSO-0.1-SC-WL BII-7521 transducer, Thru-hole Mounting (Single O-ring), 0.1m shielded cable, Wire leads.
BII-7521IM/85-67-FH-1.0-SC-WL BII-7521 transducer, Built-in Impedance Matching at 85kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7521TR-FH-1.0-SC-WL BII-7521 transducer, Built-in Transmit & Receive Switch , Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7521TRIM-67-FH-1.0-SC-WL BII-7521 transducer, Built-in TR Switch and Impedance Matching, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7533/BT-THSO-0.1-SC-WL BII-7533 transducer, Bottom Radiation, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
   
BII-7541-THSO-0.1-WCB-WL BII-7541 transducer, Thru-hole Mounting (Single O-ring), 0.1m Wire/Cable Bundle, Wire leads.
BII-7541TR-FH-1.0-SC-WL BII-7541 transducer, Built-in Transmit & Receive Switch , Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7541IM/180/190-67-FH-1.0-SC-WL BII-7541 transducer, Built-in Impedance Matching at 180kHz and 190kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7541TRIM-67-FH-1.0-SC-WL BII-7541 transducer, Built-in TR Switch and Impedance Matching, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7552-THSO-0.1-WCB-WL BII-7552 transducer, Thru-hole Mounting (Single O-ring), 0.1m Wire/Cable Bundle, Wire Leads.
BII-7552-FGM-0.2-SC-WL BII-7552 transducer, Flange Mounting, 0.2m Shielded Cable, Wire Leads.
BII-7552-EFM-0.2-SC-WL BII-7552 transducer, End-face Mounting, 0.2m Shielded Cable, Wire Leads.
   
BII-7565/8-THSO-0.1-SC-WL BII-7565/8 transducer, Thru-hole Mounting (Single O-ring), 0.1m shielded cable, Wire leads.
BII-7562/50-THSO-0.1-SC-WL BII-7562/50 transducer, Thru-hole Mounting (Single O-ring), 0.1m shielded cable, Wire leads.
BII-7562TR-FH-1.0-SC-WL BII-7562 transducer, Built-in Transmit & Receive Switch , Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7565/8IM/70-67-FH-1.0-SC-WL BII-7565/8 transducer, Built-in Impedance Matching at 70kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7565TRIM/70-67-FH-1.0-SC-WL BII-7565 transducer, Built-in TR Switch and Impedance Matching at 70kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7562/50IM/200-67-FH-1.0-SC-WL BII-7562/50 transducer, Built-in Impedance Matching at 200kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7562/50IM/50/200-67-FH-1.0-SC-WL BII-7562/50 transducer, Built-in Impedance Matching at 50kHz & 200kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7572-THSO-0.1-SC-WL BII-7572 transducer, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
   
BII-7583-THSO-0.1-SC-WL BII-7583 transducer, Thru-hole Mounting (Single O-ring), 0.1m shielded cable, Wire leads.
BII-7583IM-50-FH-1.0-RG58-BNC BII-7583 transducer, Built-in Impedance Matching, 50Ω, Free Hanging, 1m RG58 Coax, Male BNC.
BII-7583IM/600-67-FH-1.0-SC-WL BII-7583 transducer, Built-in Impedance Matching at 600kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7583TR-FH-1.0-SC-WL BII-7583 transducer, Built-in Transmit & Receive Switch , Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7583TRIM-67-FH-1.0-SC-WL BII-7583 transducer, Built-in TR Switch and Impedance Matching, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7591-FH-6.0-WR-WL BII-7591 transducer, Free Hanging, 6.0m Wires, Wire leads.
   
BII-7604-THSO-0.1-SC-WL BII-7604 transducer, Thru-hole Mounting (Single O-ring), 0.1m shielded cable, Wire leads.
BII-7604IM/50-67-FH-1.0-SC-WL BII-7604 transducer, Built-in Impedance Matching at 50kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7604TR-FH-1.0-SC-WL BII-7604 transducer, Built-in Transmit & Receive Switch , Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7604TRIM/50-67-FH-1.0-SC-WL BII-7604 transducer, Built-in TR Switch and Impedance Matching at 50kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7613-THSO-0.1-SC-WL BII-7613 transducer, Thru-hole Mounting (Single O-ring), 0.1m shielded cable, Wire leads.
BII-7613IM/600-50-FH-1.0-RG58-BNC BII-7613 transducer, Built-in Impedance Matching at 600kHz, 50Ω, Free Hanging, 1m RG58 Coax, Male BNC.
BII-7613IM-67-FH-1.0-SC-WL BII-7613 transducer, Built-in Impedance Matching, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7613TR-FH-1.0-SC-WL BII-7613 transducer, Built-in Transmit & Receive Switch , Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7613TRIM-67-FH-1.0-SC-WL BII-7613 transducer, Built-in TR Switch and Impedance Matching, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7622-THSO-0.1-SC-WL BII-7622 transducer, Thru-hole Mounting (Single O-ring), 0.1m Shielded Cable, Wire leads.
BII-7622IM/28-67-FH-1.0-SC-WL BII-7622 transducer, Built-in Impedance Matching at 28kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7622TR-FH-1.0-SC-WL BII-7622 transducer, Built-in Transmit & Receive Switch , Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7622TRIM/28-67-FH-1.0-SC-WL BII-7622 transducer, Built-in TR Switch and Impedance Matching at 28kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7633-EFM-0.2-Coax-WL BII-7633 transducer, End-face Mounting, 0.2m Coax, Wire Leads.
BII-7633-FGM-0.2-Coax-WL BII-7633 transducer, Flange Mounting, 0.2m Coax, Wire Leads.
   
BII-7658-FH-1.0-SC-WL BII-7658 transducer, Free Hanging, 1m shielded cable, Wire leads.
BII-7658IM-50-FH-1.0-RG58-BNC BII-7658 transducer, Built-in Impedance Matching, 50Ω, Free Hanging, 1m RG58 Coax, Male BNC.
BII-7658IM/1000-50-FH-1.0-RG58-BNC BII-7658 transducer, Built-in Impedance Matching at 1MHz, 50Ω, Free Hanging, 1m RG58 Coax, Male BNC.
BII-7658IM-67-FH-1.0-SC-WL BII-7658 transducer, Built-in Impedance Matching, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7674-THSO-0.1-SC-WL BII-7674 transducer, Thru-hole Mounting (Single O-ring), 0.1m shielded cable, Wire leads.
BII-7674IM/37.5-67-FH-1.0-SC-WL BII-7674 transducer, Built-in Impedance Matching at 37.5kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7674TR-FH-1.0-SC-WL BII-7674 transducer, Built-in Transmit & Receive Switch , Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7674TRIM/37.5-67-FH-1.0-SC-WL BII-7674 transducer, Built-in TR Switch and Impedance Matching at 37.5kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7684-THSO-0.1-SC-WL BII-7684 transducer, Thru-hole Mounting (Single O-ring), 0.1m shielded cable, Wire leads.
BII-7684IM/50-67-FH-1.0-SC-WL BII-7684 transducer, Built-in Impedance Matching at 50kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7684TR-FH-1.0-SC-WL BII-7684 transducer, Built-in Transmit & Receive Switch , Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7684TRIM/50-67-FH-1.0-SC-WL BII-7684 transducer, Built-in TR Switch and Impedance Matching at 50kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7693-THSO-0.1-SC-WL BII-7693 transducer, Thru-hole Mounting (Single O-ring), 0.1m shielded cable, Wire leads.
BII-7693IM-50-FH-1.0-RG58-BNC BII-7693 transducer, Built-in Impedance Matching, 50Ω, Free Hanging, 1m RG58 Coax, Male BNC.
BII-7693IM/0.5-67-FH-1.0-SC-WL BII-7693 transducer, Built-in Impedance Matching at 0.5MHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7693TR-FH-1.0-SC-WL BII-7693 transducer, Built-in Transmit & Receive Switch , Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7693TRIM-67-FH-1.0-SC-WL BII-7693 transducer, Built-in TR Switch and Impedance Matching, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7701-THSO-0.1-SC-WL BII-7701 transducer, Thru-hole Mounting (Single O-ring), 0.1m shielded cable, Wire leads.
BII-7701IM/100-67-FH-1.0-SC-WL BII-7701 transducer, Built-in Impedance Matching at 100kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7701TR-FH-1.0-SC-WL BII-7701 transducer, Built-in Transmit & Receive Switch , Free Hanging, 1m Shielded Cable, Wire Leads.
BII-7701TRIM/100-67-FH-1.0-SC-WL BII-7701 transducer, Built-in TR Switch and Impedance Matching at 100kHz, 67Ω, Free Hanging, 1m Shielded Cable, Wire Leads.
   
BII-7721/1000-50-2-RG58-BNC BII-7721, 1MHz single frequency, 50+j0 (Ω) impedance, 2m RG58 Coax, BNC.
BII-7722/600-67-0.1-SC-WL BII-7722, 600kHz single frequency, 67+j0 (Ω) impedance, 0.1m Shielded Cable, Wire Leads.
BII-7728/50/200-52-1-SC-WL BII-7728, 50&200kHz dual frequency, 52+j0 (Ω) impedance, 1m Shielded Cable, Wire Leads.