JLN-740 Series Doppler Speed Log
JLN-740Dual-beam pulse Doppler speed log operating at 2 MHz. Measures speed through water at 3.0 m below transducer surface. Available in four models (JLN-740A/N and JLN-741A/N). Features proprietary bubble detection system and Remote Maintenance System compatibility.
Technical specifications
- Measurement Method
- Dual-beam pulse Doppler
- Operating Frequency
- 2MHz
- Speed Range
- -10.00 to 40.00knots
- Speed Accuracy
- 1% or 0.1 knot (whichever greater)
- Enhanced Accuracy
- 0.3% or 0.03 knot
- Distance Accuracy
- 1% or 0.1 NM per hour
- Measurement Depth
- 3.0m
- Display (Color)
- 5.1-inch color LCD touch panel, 480 x 800
- Display (Mono)
- 4.5-inch monochrome LCD
- Weight (Transducer NKF-547)
- 17kg
- Weight (Signal Processor NJC-70S)
- 5.5kg
- Weight (Distribution Processor NQA-7040)
- 6.0kg
- Weight (Color Display NWZ-510SDW)
- 1.2kg
- Weight (Mono Display NWZ-4640)
- 0.8kg
- Power Supply
- 100 / 230 VAC ± 10%
- Power Consumption
- 50W
- Temperature Range
- -15 to +55C
Certifications
- SOLAS
Data source
All data sourced from jrc.co.jp
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