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) †
Charging time Standard: 8-12 hours ‡
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
Warranty 2 years (Sensor & Battery)**

*Reference only. Depends on functions enabled. / † Depends on sensor uplink power and options. / ‡ Based on average charging time. / **Marport Standard Marine Limited Warranty

Beamwidth

Beamwidths for uplink pings:

Beamwidth @ 35 kHz @ 50 kHz @ 60 kHz
-3dB 46° 40° 30°

Beamwidths for up and down pings:

Beamwidth @ 125 kHz @ 160 kHz @ 200 kHz
-3dB 26° 24° 22°

Outline dimensions

Trawl Explorer

Mini Trawl Explorer