Trawl Explorer | V7 | Introduction and Presentation
Description
Firmware
There are three versions of the Trawl Explorer. Each version has a different firmware (called NBTE)
and different features.
NBTE V1
NBTE V2
NBTE V3
Name of firmware
FIRM121
FIRM126
FIRM128
Autorange feature
no
yes
yes
Target strength on echograms
no
no
yes
Technical Specifications
Uplink frequency
30 to 60 kHz
Range to vessel
up to 2500 m*
Sounder broadband frequency
Configurable between 120-210 kHz
Sounder range
V1/V2 5 to 80 m - V3 5 to 160 m
Data update rate
Depth: 1-8 sec. - Temp/Battery/Height/Pitch&Roll:
every 6 sec.
Echogram update rate
V1 up to 1 image/second - V2/V3 up to 3 images/second
Pitch angle
±90°
Roll angle
V1 ±90°; V2, V3 ±180°
Pitch & roll accuracy
±0.1°
Depth resolution
0.1m with 0.1% accuracy
Temp measurement range
-5° C to +25° C
Temp accuracy
±0.1° C
Battery type
Lithium-Ion
Typical battery life:
30-75 hours (up to approx. 35 hours for the mini Trawl
Explorer) †
Standard: 8-12 hours ‡
Charging time
Fast Charge: 4 hours
Weight in air (with housing)
• Standard : 16 kg
• Mini : 5 kg
Weight In water (with housing)
• Standard : 4,1 kg
• Mini : 0.9 kg
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Summary of Contents for NBTE V1
Page 1: ...Trawl Explorer User Guide...
Page 2: ......