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Lars-Thrane

LT-1000NRU

LT-1000 Vysoce přesný GPS kompas

Conçue pour la navigation professionnelle et de plaisance, l'unité de référence Lars Thrane LT-1000 est un compas GPS multi-capteurs (12 capteurs) offrant une précision de cap statique inférieure à 0,5° (rms) et une compatibilité multi-GNSS (GPS/GLONASS/BeiDou). Ce système robuste et économe en énergie (moins de 1W, IP46) intègre les réseaux NMEA 0183 et NMEA 2000 via un seul câble, facilitant son installation sur mât ou toit. Bien qu'en fin de vie, il reste supporté et fournit des données complètes (cap, roulis, tangage, position, météo).

L'unité est livrée avec un support de mât, un câble multi-broches de 10 m (avec terminaison simple), un connecteur NMEA 2000 micro-C à visser, un guide d'installation rapide, une fiche d'instructions de sécurité et une fiche de test unitaire.

Prix publicBénéficier du tarif pro

29.596,06 CZK

s DPH Doprava se vypočítá při platbě.

Nízká zásoba

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Retrait chez Skysat possible

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Caractéristiques techniques

Typ systému	GNSS/INS
Námořní použití	course
Integrovaný GNSS	simple antenne
RTK / PPK	non
Přesnost náklonu/klopení (°)	0.5
Přesnost směru (°)	0.5
Vertikální pohyb v reálném čase	non
Rozhraní	NMEA 0183,NMEA 2000
Výstupní protokoly	NMEA 0183,NMEA 2000
Stupeň krytí IP	IP46
Minimální teplota (°C)	-40.0
Maximální teplota (°C)	55.0
Vstupní napětí (V)	9-40
Spotřeba (W)	1.0
Rozměry (mm)	151.4 x 81.6 x 128.0 (avec support de mât) / 151.4 x 136.0 x 46.0 (avec support de toit)
Hmotnost (g)	240.0
Typ konektoru	8-pin female
Maximální spotřeba elektrické energie	1
Typická spotřeba elektrické energie	< 1
Drátová síť	NMEA 0183, NMEA 2000

Description détaillée

Navržen pro profesionální námořní a rekreační plavbu, Lars Thrane LT-1000 je referenční navigační jednotka (NRU) a vysoce přesný GPS kompas. Tento kompaktní systém integruje 12 vysoce přesných senzorů, včetně magnetometrů, gyroskopů, akcelerometrů, GNSS přijímače, barometru a teploměru. Díky využití fúze senzorů a Kalmanova filtru poskytuje LT-1000 v reálném čase údaje o pravém kurzu, magnetickém kurzu, deviaci, variaci, náklonu, pitchu, poloze, satelitních informacích, rychlosti dna, kurzu dna, času a datu, atmosférickém tlaku a teplotě, vše s vysokým rozlišením a přesností.

Přesnost a konektivita

LT-1000 je vybaven 72kanálovým satelitním GNSS přijímačem kompatibilním s GPS, GLONASS a BeiDou, s podporou SBAS pro zvýšení přesnosti polohy prostřednictvím SBAS. Přesnost statického kurzu je nižší než 0,5° (RMS) a dynamického kurzu nižší než 1,5° (RMS) při úhlech náklonu/pitchu nižších než ±45° a rychlosti otáčení ≤ 45°/s. Konektivita je zajištěna prostřednictvím jediného 8pinového rozhraní podporujícího současně protokoly NMEA 0183 (4800 nebo 38400 baudů) a NMEA 2000, což zjednodušuje integraci do stávajících navigačních systémů. Konektor NMEA 2000 je konfigurovatelný pomocí DIP přepínače.

Instalace a odolnost

Jednotka je navržena pro snadnou instalaci na stožár o průměru 1 palec nebo na střešní montáž, s jediným kabelem pro napájení (9–40 V DC) a data, přičemž spotřeba nepřesahuje 1 W. Konstrukce splňuje požadavky námořních prostředí, s krytím IP46 a provozní teplotou od -40 °C do +55 °C. Je certifikována podle norem CE, IEC 60945, IEC 60950, EN 300440-2, FCC, IC, RCM, RoHS, NMEA 0183 a NMEA 2000. Každá jednotka je kalibrována ve výrobě. K dispozici jsou dvě možnosti kalibrace deviací: standardní schéma "osmička" nebo adaptivní kalibrace, která optimalizuje výkon v průběhu času. I když byl tento výrobek ukončen, nadále je dostupná technická podpora.

Documentations

Type	Nom
	EN - Envelope drawing - LT-1000 High-precision GPS compass
	43-100413-rev_-1_00-lt-1000-outline-drawing-roof-m.pdf
	EN - Declaration of Conformity - LT-1000 High-Precision GPS Compass
	EN - User Manual and Installation Guide - LT-1000 High-Precision GPS Compass
	EN - Quick Installation Guide - LT-1000 High-Precision GPS Compass
	EN - Expert opinion on CE conformity assessment - LT-1000 High-precision GPS compass
	EN - Product Sheet - LT-1000 High-Precision GPS Compass

Avis de l'expert

Pol CONIN

Digitální manažer

« Technical analysis of the Lars Thrane LT-1000 GPS compass and its system integration »

The Lars Thrane LT-1000 positions itself as a reference solution for vessels requiring a precise and versatile navigation unit. Its strength lies in its multi-sensor architecture (12 in total) combined with data fusion and Kalman filtering. This approach provides not only reliable heading, but also critical information on roll, pitch, multi-constellation GNSS position (GPS, GLONASS, BeiDou), and environmental data such as pressure and temperature. This wealth of information is essential for advanced autopilot systems, precise radar overlays, and AIS applications.

From an installation standpoint, the LT-1000 stands out for its simplicity thanks to its single communication and power cable and its mast or roof mounting options. The adaptive deviation calibration is a major asset, particularly for vessels where performing a figure-eight maneuver is complex or impossible. It is recommended to ensure installation by a qualified professional to optimize performance and respect the 0.3 m safety distance from magnetic compasses. Its low power consumption (Although the LT-1000 is a commercially end-of-life product, it continues to receive support, ensuring its viability in the short and medium term. It is a relevant choice for those seeking a reliable and proven unit offering a wide range of navigation data in a compact and energy-efficient format, without necessarily requiring the latest software innovations or proprietary platform integrations of newer models.

Durabilité

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Paiement et sécurité

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LT-1000 Vysoce přesný GPS kompas

29.596,06 CZK

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Questions fréquentes

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What is the primary function of the Lars Thrane LT-1000 GPS compass?

The Lars Thrane LT-1000 is a Navigation Reference Unit (NRU) and high-precision GPS compass. It is designed to provide essential and accurate navigation data for professional maritime and recreational applications.

What types of data can the LT-1000 provide?

The LT-1000 provides real-time data with high precision and resolution, including:

True heading and magnetic headingDeviation and variationRoll and pitchPosition and satellite informationGround speed and ground trackTime and dateAtmospheric pressure and air temperature

What is the heading accuracy provided by the LT-1000?

The LT-1000 provides static heading accuracy better than 0.5° (rms) and dynamic accuracy better than 1.5° (rms) at roll/pitch angles less than ±45° and a yaw rate ≤ 45°/s.

Which GNSS satellite systems are compatible with the LT-1000?

The LT-1000’s 72-channel GNSS satellite receiver is compatible with GPS, GLONASS and BeiDou systems. It also supports SBAS for improved position accuracy.

What are the dimensions and weight of the LT-1000?

Dimensions and weight vary slightly depending on the mounting type:

With mast mount: 151.4 x 81.6 x 128.0 mm (5.96 x 3.21 x 5.04 in) for a weight of 240 g (0.53 lbs). With roof mount: 151.4 x 136.0 x 46.0 mm (5.96 x 5.35 x 1.81 in) for a weight of 281 g (0.62 lbs).

What is the IP rating of the LT-1000?

The LT-1000 has an IP46 waterproof rating, meaning it is protected against powerful water jets from any direction and solid objects larger than 1 mm.

What is the operating temperature range of the LT-1000?

The LT-1000 is designed to operate within an extended ambient temperature range from -40°C to +55°C (-40°F to +131°F).

Does the LT-1000 measure atmospheric pressure and air temperature?

Yes, the LT-1000 integrates a barometer and a thermometer. It can provide real-time atmospheric pressure and air temperature data.

Which advanced technologies are integrated into the LT-1000 for its accuracy?

The LT-1000 integrates advanced technologies such as sensor fusion and Kalman filtering. These techniques combine data from 12 precision sensors (magnetometers, gyroscopes, accelerometers, GNSS, barometer, thermometer) to deliver extremely accurate and reliable navigation information.

What is the power consumption of the LT-1000?

The LT-1000 has very low power consumption, less than 1W at 12 VDC.

Which communication protocols is the LT-1000 compatible with?

The LT-1000 is compatible with NMEA 0183 and NMEA 2000 protocols. It features a single 8-pin interface that supports both protocols simultaneously.

Which NMEA 0183 baud rates are supported?

The LT-1000 supports NMEA 0183 baud rates of 4800 baud or 38400 baud. The default configuration is 4800 baud.

Is the NMEA 2000 termination configurable on the LT-1000?

Yes, the NMEA 2000 termination of the LT-1000 is configurable via a DIP switch. The unit can be set to 'open' or 'terminated' mode, with 'open' as the factory default setting.

What is the required input voltage range for the LT-1000?

The LT-1000 operates with an input voltage of 9 to 40 VDC.

What are the mounting options available for the LT-1000?

The LT-1000 is designed for easy installation and offers two mounting options:

1" mast mounting.Roof mounting.

Is a single cable used for both power and data?

Yes, the LT-1000 uses a single 8-pin cable for power (9-40 VDC) and NMEA 0183/NMEA 2000 data transmission, simplifying installation.

What is the safe distance from a magnetic compass for the LT-1000?

The safe distance from a standard or helm magnetic compass is 0.3 metres (1 foot). It is important to respect this distance to avoid any interference with a magnetic compass.

Are there any precautions to take during installation to avoid interference?

Yes, to ensure optimal performance, it is recommended to:

Mount the unit on a rigid structure with minimal exposure to vibrations and shocks. Install it in an area where the ambient temperature is between -40°C and +55°C. Position it as far as possible from magnetic disturbances (such as speakers) and power cables.

How is deviation calibration performed on the LT-1000?

The LT-1000 offers two options for deviation calibration:

Standard deviation calibration (using an '8' pattern). This is the default setting.
Adaptive calibration.
These procedures are required to ensure reliable heading output.