Marport Device / Instrument
Door Spread Sensors
Door spread sensors in Pro NX, Mini, Slim and legacy-compatible versions, measuring spread, depth, temperature, pitch, roll and bearing.
Description
Marport's door spread sensors measure the distance between trawl doors along with depth, temperature, pitch, roll and bearing, in master, slave and clump configurations for single to quad trawls.
Key features
- Door Spread Sensor Pro NX, with SC SS4-compatible and PI-compatible variants
- Mini Door Spread Sensor Pro and Mini Door Spread Sensor Pro Slim
- Legacy-compatible versions using PRP data, with typical battery life up to approx. 16 days (Mini: 8 days)
- All Marport Pro sensors use a 30 to 60 kHz uplink with a range to vessel of up to 2,500 m, Lithium-Ion batteries and a 2-year warranty covering sensor and battery.
Applications
Measuring and optimising door spread on bottom and pelagic trawls.
Specifications
| Battery life (legacy-compatible) | up to approx. 16 days (Mini: 8 days) |
|---|---|
| Uplink | 30-60 kHz |
| Range to vessel | up to 2,500 m |
| Battery | Lithium-Ion |
| Warranty | 2 years (sensor and battery) |
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- Marport Door Sounder Pro / Pro NX
- Marport Door Explorer Pro NX / Mini Door Explorer Pro
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