An Electromagnetic Log, sometimes called an "EM Log", measures the speed of a vessel through water. It operates on the principle that: 1 when a conductor (such as water) passes through an electromagnetic field, a voltage is created and 2 the amount of voltage created increases as the speed of the conductor … See more • No moving parts • Less affected by sea growth than Pit sword See more • Pit sword See more • Salinity and temperature of water affects calibration • Measurements affected by boundary layer, (water speed slowed down close to the … See more • http://thenauticalsite.com/NauticalNotes/… WebFeb 20, 2009 · The EM Log. Known as EM for short, the electromagnetic log measures the speed of the ship. As you know if you want to measure the speed of a car or any other vehicle on land the simplest method is to attach a tachometer to the wheel which counts the number of revolutions and calculates the speed and distance based on that but this …
Electromagnetic Speed Log & Meteorological System …
WebThe ANTHEA EM speed log is designed for merchant and cruising ships. OPVs and amphibious landing crafts. It is used with maximum 70 m length of cable, between the … WebThe EML-2 electromagnetic speed log measures the boat speed through the water with no moving parts. Robust and accurate, the sensor generates an alternating magnetic field … eldrid climbing gear
Atos launches new speed log for Navy vessels and merchant fleets
WebWalker 7070 Log Only is a Speed Log System providing electromagnetic log data from a single processor. This compact, cost effective system takes advantage of “state of the art” electronics to process the log sensor … WebThe ANTHEA EM speed log is designed for merchant and cruising ships. Download. SM2000 Smart sensor. The SM2000 Electromagnetic sensor, with wired or watertight connector, is an intelligent and adjustable sensor. It meets the climatic, mechanical and radio electrical resistance standards applicable to equipment onboard navy ships. WebThe Dual Axis Doppler Speed Log utilizes the Doppler shifted returns from high frequency acoustic energy transmitted into water to provide precise speed data, distance travelled, … food literacy project