853 ES with Data Logger
Underwater Hardware Specifications
Frequency
120 kHz or Optional 300 kHz
Transducer
Conical
Transducer Beam Width
10°
Transducer Source Level
210 dB re 1 μPa @ 1 m (nominal)
Transducer Receive Sensitivity
-180 dB re 1 V/μPa (nominal)
Receive Bandwidth
10 kHz
Pulse Length
100 μs
Max. Input Levels
with 20 dB Gain: 35 mVRMS
with 40 dB Gain: 3.5 mVRMS
Noise Floor
with 40 dB Gain: -96 dB re 1 VRMS
Range Bins
200
Data Storage
200 Days before Download
Min. Detectable Range
0.5 m
Max. Detectable Range
100 m
Max. Operating Depth
1000 m
Max. Cable Length
15 m (RS-232), 3 m (USB)
Telemetry/Prog. Interface
RS-232 Serial Interface @ 115.2 kbps (or as ordered)
Download Interface
USB
Connector
Impulse IEW55-1004-BCR / IEW55-1006-BCR
Power Supply
9 – 32 VDC at less than 0.25 Watts (Glider mode only)
Temperature
-5 to +35 °C (operational)
-40 to +50 °C (storage)
Dimensions
See drawing
Weight in Air
~1 kg (2.2 lbs)
Weight in Water
~0.55 kg (1.2 lbs)
Materials
6061-T6 Aluminum, PVC
Finish
Hard Anodize
Software Specifications
Win853.exe
Programming/Download/Viewing program
Windows™ Operating System
Windows™ XP, Vista, 7, 8, 10
Modes
Normal (interrogate to ping)
Glider (one ping every 4 seconds)
Stand Alone (one ping per second)
Range Scales
25 m, 50 m, 100 m
File Format
(filename).853
Recommended Minimum Computer Requirements
2 GHz Pentium 4
256 MB RAM
20 GB Hard Disk
1024 x 768 screen resolution
Ordering Information
1000 m Unit
853-000-140
300 kHz
Option -049
