Trawl Explorer | V2 | 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 †
Standard: 8-12 hours ‡
Charging time
Fast Charge: 4 hours
Weight in air (with housing) 16 kg
Weight In water (with housing) 4.1 kg
Warranty 2 years (Sensor & Battery)**
*Reference only. Depends on functions enabled. / † Depends on sensor uplink power. / ‡ Based on
average charging time. / **Marport Standard Marine Limited Warranty
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