Nasa Electromagnetic Clipper Duet combines a speed/distance log and echo sounder in a compact 110mm square unit, supplied with a solid‑state EML‑3 electromagnetic speed transducer and in‑hull depth transducer.

• Depth sounder in metres and feet; shallow alarm and keel offset
• Speed in km/h, knots and mph; speed range 0.2–40 knots; speed limit alarm
• Trip and total distance in kilometres, miles and nautical miles
• Complete with data box for log, speed and depth transducers; suitable for open cockpit mounting
• EML‑3 electromagnetic transducer: no moving parts, generates an alternating magnetic field, 0.1 knot resolution; control box provides pulse output to the display
• justify-content: flex-start; display: flex; flex-direction: column
• background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll
• border-style: none; border-width: 1px; border-radius: 0px
• margin: 0px 0px 10px; padding: 10px; margin: 0px; padding: 0px

Robust and accurate for GRP hull installations, the Clipper Duet offers clear readouts, alarms and a compact data box for easy integration with existing instrumentation.