JLN-740 Series Doppler Speed Log vs CLETA Electromagnetic Speed Log

Integrated Bridge Systems comparison · 2 products · View all Integrated Bridge Systems

The JRC (Navigation) JLN-740 Series Doppler Speed Log and AMI Marine CLETA Electromagnetic Speed Log are both integrated bridge systems products certified to SOLAS.

JLN-740 Series Doppler Speed Log
CLETA Electromagnetic Speed Log

Specification comparison

Specification JLN-740 Series Doppler Speed Log CLETA Electromagnetic Speed Log
Measurement Method Dual-beam pulse Doppler
Operating Frequency 2 MHz
Speed Range -10.00 to 40.00 knots
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 3.0 m
Display (Color) 5.1-inch color LCD touch panel, 480 x 800
Display (Mono) 4.5-inch monochrome LCD
Weight (Transducer NKF-547) 17 kg
Weight (Signal Processor NJC-70S) 5.5 kg
Weight (Distribution Processor NQA-7040) 6.0 kg
Weight (Color Display NWZ-510SDW) 1.2 kg
Weight (Mono Display NWZ-4640) 0.8 kg
Power Supply 100 / 230 VAC ± 10%
Power Consumption 50 W
Temperature Range -15 to +55 C
Measurement Type Speed through water (electromagnetic)
Display Multifunction colour display
Additional Data Speed over ground from GPS, heading
Language Configurable (any language on request)

Certification comparison

Certification JLN-740 Series Doppler Speed Log CLETA Electromagnetic Speed Log
MED — Not listed ✓
SOLAS ✓ ✓

Other Integrated Bridge Systems comparisons

Data sources

JLN-740 Series Doppler Speed Log
Data from jrc.co.jp ·
View original
CLETA Electromagnetic Speed Log
Data from amimarine.com ·
View original