Model 4180 K2

Light Array | Side Scan Sonar Equipment

Dual frequency, four channel side scan sonar array 410/850 kHz with operating depth to 1,000 meters (1,500 psi).

Model 4180 K2 features double operating channels in the lower (L) and the upper (H) frequency bands, molded urethane body, reinforced mounting holes, and pigtail connection.

Scroll down for electrical impedance vs. frequency and directivity plots.

Download outline drawing for 4180 K2 (48kb)

Operating channelsLH
Series frequency (Fc)410 kHz850 kHz
Sub-channelsx2x2
Quality factor (Qm)66
Beam angle, fore-aft (@-3 dB)0.5°0.5°
Beam angle, vertical (@-3 dB)60°60°
Side lobes, fore-aft axis-20 dB-13.5 dB
Series impedance (|Zs|·e)50 Ω, -15°50 Ω, -20°
Electrical insulation (500 Vdc)≥109 Ω
Max. input voltage600 Vp
MaterialUrethane
EncapsulationUrethane
Electrical connectionPigtail, 10 pin
Weight (air)TBD
Operating depth1,000 m


*** work in progress.