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System Variants: SES-2000 standard 
(formerly SES-96 standard)

SES-2000 standard Hardware

The system SES-2000 standard is based on the SES-96 product line, which is the first mobile parametric sediment echo sounder on the international market.
The compact design with an user friendly control unit allows the survey also in small and shallow waters with all the advantages of the parametric acoustics, like the small beamwidth at low frequencies, deep penetrations with high resolutions of layers and objects and very accurate depth measurements with the high frequency.
The system has the possibility to store the data digitally but gives also during the online processing excellent and reliable results.

The variant SES-2000 standard has the possibility for electronical beam steering and beam stabilization and is equipped with modules for high ping rates, high energy pulses and deep water transmit modes.

Technical Parameters

Transducer:

 nonlinear transmitter, linear receiver
beamwidth +/- 1,8° (0,22 x 0,22)m2
Transmitter: primary frequency:
secondary frequencies:
electrical power:
source level:

electronical beam stabilization and beam steering
100 kHz
4, 5, 6, 8, 10, 12, 15 kHz
>18 kW
>239 dB/µPa re 1m
Pulse Width: 66 µSec ... 800 µSec
Pulse Repetition Rate:

 up to 50/sec depending on range
Water Depth Range:

 1m ... 500 m
Operating Ranges:

 5m ... 200 m
Sound Velocity Range:

 1400 m/s ... 1600 m/s
Penetration:

 up to 50 m depending on sediments and frequency
Resolution:

 sampling resolution: > 1 cm
multiple target resolution: > 5 cm
depending on frequency and operating range
Accuracy:


 100 kHz : 0,02 m + 0,02 % of water depth
10 kHz : 0,04 m + 0,02 % of water depth

Trigger:


 internal: depending on time control, output available
external: input available, TTL compatible

Receiver Channels:

 1 channel primary frequency
1 channel secondary frequency

Gain Controls:

 AGC or manual 0 ... 96 dB in 6 dB steps
Time Variable Gain
Digitization:

 16 bit (real dynamic 14 bit)

Signal Processing: noise reduction: stacking rate up to 64
DSP to increase signal to noise ratio, resolution and
penetration,
online view of processed echo data,
replay of recorded data

Data Output: online storage of echo envelope in chosen range,
online storage of raw signal in chosen range,
system parameters and navigation data on hard disk
backup: USB 2.0 interface for HD, MO-Disk or others
serial output for depth, time, position
online colour echo prints and thermal recorder prints

Data Input: serial input for navigation data (NMEA compatible)
serial input for motion sensor for heave compensation
and roll/pitch compensation
remote control via TCP/IP network

System Components: SES-2000 standard with integrated transmitter, receivers,
DSP´s, 10,4" TFT panel and integrated PC unit
(0,53 x 0,42 x 0,49)m3 / weight: 49 kg
transducer with 30 m cable (0,25 x 0,35 x 0,08 ) m3 /
weight: 31 kg (including cable)
Operating Conditions: 115-230 V AC +5%/-10%, 50 - 60 Hz,
power consumption < 1000 W
operating temperature: 0°C ... 40 °C

Optional Features: water protected case in MIL standard
module Side Scan with separate transducer



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