Brief Description

Electromagnetic Log (EMLOG) is developed for Indian Navy. It is an instrument used to measure the speed of a ship and distance travelled by the ship using electromagnetic induction techniques. EMLOG is currently produced by the production agency based on ToT and is installed in most of the Indian Naval ships.

Main uses and domain

EMLOG is currently installed in most of the Indian Naval ships.

Features and Technical Specifications

DSP and microcontroller based modular design
± 60Knots speed range
Good lower speed accuracy
Compatible for single/dual axis transducers
LCD display with touch screen
Reconfigurable interfaces
Configurable Resolver, LINVAR, Pulse, NMEA and SDLC outputs
Ethernet and USB interfaces


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Group Head, Strategic Electronics Group
C-DAC Thiruvananthapuram
seg@cdac.in, 0471-2727508, fax: 0471 2723456