Speed Log
medium
10 Modelle gesamt
SOLAS-mandatory speed and distance measuring equipment. Doppler log for through-water and over-ground speed. EM log for through-water only.
8 Hersteller · 10 Modelle
🏭
Consilium
2 ✓ 2 verifiziert⚙️
SAL R30
✓ verifiziert
Inspector
Doppler
· Navigation Data / Sensor
technology: Doppler
imo_approved: True
Common Failures:
- • Transducer window replacement at drydock
- • Complex calibration procedure
- • Power supply sensitivity
Service: Premium Doppler log. Popular on Scandinavian-built vessels.
Spares: Consilium: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
SAL T30
✓ verifiziert
Inspector
EM Log
· Navigation Data / Sensor
technology: Electromagnetic
imo_approved: True
Common Failures:
- • Sensor rod biofouling
- • Calibration drift
- • Retractable mechanism seal
Service: Basic EM log. Good for SOLAS compliance at low cost.
Spares: Consilium: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
🏭
JRC
2 ✓ 2 verifiziert
JLN-740A
✓ verifiziert
Inspector
Doppler / dual-axis
· Navigation Data / Sensor
technology: Doppler
bottom_track_depth: 400 m
imo_approved: True
Common Failures:
- • Transducer cavitation damage at high speed
- • Bottom lock loss in deep water
- • Display processor failure
Service: Good deep-water performance. Annual transducer inspection.
Spares: JRC: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
⚙️
JLN-205
✓ verifiziert
Inspector
EM Log
· Navigation Data / Sensor
technology: Electromagnetic
imo_approved: True
Common Failures:
- • Sensor rod fouling
- • Retractable rod seal leaks
- • Calibration drift
Service: Basic EM log. Sensor rod must be retracted for drydock. Annual calibration.
Spares: JRC: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
🏭
Kongsberg
1 ✓ 1 verifiziert⚙️
EM Speed Log
✓ verifiziert
Inspector
EM Log
· Navigation Data / Sensor
technology: Electromagnetic
imo_approved: True
Common Failures:
- • Sensor probe biofouling
- • Calibration shift with hull fouling
- • Interface issues
Service: Integrated with K-Bridge. Standalone operation possible.
Spares: Kongsberg: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
🏭
Raytheon Anschütz
1 ✓ 1 verifiziert⚙️
NautoPilot Speed
✓ verifiziert
Inspector
EM/Doppler
· Navigation Data / Sensor
technology: EM/Doppler
Common Failures:
- • Tight integration with autopilot — standalone issues
- • Calibration procedure tied to autopilot
- • Sensor aging
Service: Part of Raytheon Anschütz autopilot suite. Speed input for steering.
Spares: Raytheon Anschütz: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
🏭
SAM Electronics
1 ✓ 1 verifiziert⚙️
EM Log SAM
✓ verifiziert
Inspector
EM Log
· Navigation Data / Sensor
technology: Electromagnetic
Common Failures:
- • Legacy hardware
- • Wärtsilä transition support
- • Calibration data loss
Service: SAM Electronics brand. Wärtsilä provides ongoing support.
Spares: SAM Electronics: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
🏭
Skipper
1 ✓ 1 verifiziert⚙️
DL850 Doppler Log
✓ verifiziert
Inspector
Doppler
· Navigation Data / Sensor
technology: Doppler
imo_approved: True
Common Failures:
- • Limited service network outside Scandinavia
- • Transducer compatibility
- • Display issues
Service: Norwegian manufacturer. Good in cold-water operations.
Spares: Skipper: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
🏭
Sperry Marine
1 ✓ 1 verifiziert⚙️
SRD-500
✓ verifiziert
Inspector
Doppler / dual-axis
· Navigation Data / Sensor
technology: Doppler
imo_approved: True
Common Failures:
- • Integration dependency on VisionMaster
- • Transducer gate valve issues
- • Calibration complexity
Service: Designed for Sperry Marine bridges. Full standalone capability.
Spares: Sperry Marine: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
🏭
Tokimec
1 ✓ 1 verifiziert⚙️
TL-250
✓ verifiziert
Inspector
EM Log
· Navigation Data / Sensor
technology: Electromagnetic
imo_approved: True
Common Failures:
- • Legacy brand confusion
- • Spare parts availability
- • Sensor rod aging
Service: Tokimec brand now Tokyo Keiki. Still in service on many vessels.
Spares: Tokimec: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.