Garmin
Garmin GST 43 Analogue Thru Hull Speed Transducer
£160.00
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010-04283-00
The Garmin GST 43 is a thru-hull paddlewheel transducer that reports water speed and temperature. It measures speed from 0.2 to 30 knots with +/- 1% accuracy and is designed to retrofit an existing Nexus 43 mm thru-hull (TH43). It connects to a Nexus system or, using a GST 10 adapter, to a NMEA 2000 network. This version is supplied without the GST 10 adapter.
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Collection or delivery in 1-2 weeks
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Description
The Garmin GST 43 is a thru-hull analogue speed and temperature transducer for sailing and motor vessels. Using a paddlewheel sensor, it measures water speed from 0.2 to 30 knots with an accuracy of +/- 1%, and also reports water temperature, feeding both readings to your instruments. It is designed as a direct retrofit for an existing Nexus 43 mm thru-hull transducer (TH43), making it an easy upgrade for boats already fitted with that mounting. The GST 43 connects to a Nexus system by cutting and wiring its cable, or to a modern NMEA 2000 network using a GST 10 adapter. It fits metal and fibreglass hulls from 6 to 42 mm thick through a 43 mm hole and is supplied with a 6 m (19.7 ft) cable. Water speed must be calibrated before use. This version is supplied without the GST 10 adapter.
PRODUCT DETAILS
- Thru-hull analogue speed (paddlewheel) and temperature transducer
- Measures water speed from 0.2 to 30 knots with +/- 1% accuracy
- Reads water temperature as well as speed
- Designed to retrofit an existing Nexus 43 mm thru-hull transducer (TH43)
- Connects to a Nexus system, or to a NMEA 2000 network using a GST 10 adapter
- Suits metal and fibreglass hulls from 6 to 42 mm thick
- Supplied with a 6 m (19.7 ft) transducer cable
- GST 43 thru-hull speed and temperature transducer with 6 m cable
- Thru-hull fitting with nut and O-rings
- Wire locking device
- Installation instructions
No exploded diagram available for this product.
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Sonar/Sensor
| Sensor Type | Thru-hull analogue speed (paddlewheel) and temperature transducer |
| Speed Range | 0.2 to 30 knots (max. 90 knots depending on transducer type) |
| Speed Accuracy | +/- 1% |
Connectivity
| Output | Reports water speed and temperature; connects to a Nexus system, or to a NMEA 2000 network via a GST 10 adapter (not included with this version) |
Mounting
| Mounting Type | Thru-hull, 43 mm (1 11/16 in) hole; compatible with metal and fibreglass hulls |
| Hull Thickness | Min. 6 mm (0.24 in), Max. 42 mm (1.65 in) |
Compatibility
| Retrofit | Retrofits an existing Nexus 43 mm thru-hull transducer (TH43) |
Physical
| Dimensions (W x L) | 42 x 86 mm (1.65 x 3.38 in) |
| Transducer Cable Length | 6 m (19.7 ft) |
| Operating Temperature Range | -10 to 70 C (14 to 158 F) |
Electrical
| Power Input | 12 Vdc (10 to 16 Vdc) |
| Power Consumption | 0.06 W |
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What does the GST 43 measure?
The GST 43 uses a paddlewheel to measure water speed from 0.2 to 30 knots with +/- 1% accuracy, and it also reads water temperature.
Will the GST 43 fit my existing thru-hull?
The GST 43 is designed to retrofit an existing Nexus 43 mm thru-hull transducer (TH43), using a 43 mm hole, and suits metal and fibreglass hulls from 6 to 42 mm thick.
How does the GST 43 connect to my system?
The GST 43 connects to a Nexus system by wiring its cable, or to a NMEA 2000 network using a GST 10 adapter. This version is supplied without the GST 10 adapter.
Does the GST 43 need calibrating?
Yes. You must calibrate the water speed before using the GST 43. Water temperature can also be offset if required, using a connected Garmin chartplotter or instrument.
