Description
DEIF
TYPE: XL144
RPM INDICATOR
SCALE: 100-0-100 RPM
ORDER NO: 400054369.30
INPUT: -10…0..10V SINGLE
LOAD: >10KOhm
ART NO: 304004
The DEIF XL144 is a panel-mount RPM indicator engineered for accurate engine speed monitoring in marine control systems. Accepting a single voltage input in the -10…0…10V range, this instrument provides a symmetrical 100-0-100 RPM readout suited to applications where both ahead and astern shaft rotation must be clearly displayed. As a core component within marine control and monitoring infrastructure, it supports reliable situational awareness at the engine control station, bridge console, or local control panel — enabling engineers and operators to maintain safe propulsion management at all times.
Key Features
✓ Bidirectional RPM display with a 100-0-100 RPM scale, allowing clear indication of ahead and astern engine or shaft speed from a single analogue voltage input (-10…0…10V).
✓ High-impedance input load of greater than 10 kOhm, ensuring minimal loading on the signal source and compatibility with standard analogue output transmitters and controllers typical of marine automation systems.
✓ XL144 panel format designed for flush mounting in standard 144mm cutout instrument panels, suitable for engine control rooms, local control stations, and bridge consoles subject to confirmation of installation space.
✓ Designed as part of the DEIF instrumentation range, the XL144 is intended for integration with DEIF control and monitoring systems, as well as broader marine automation panels where analogue voltage signals are used for speed feedback.
✓ Direct replacement or retrofit instrument for vessels requiring like-for-like substitution of existing DEIF RPM indicators; ordering reference 400054369.30 and art number 304004 should be confirmed against the vessel’s existing panel documentation before installation.
Marine Applications
✓ Main engine and auxiliary engine speed monitoring at engine control room panels on merchant vessels, ferries, and offshore support vessels.
✓ Propulsion shaft RPM indication on vessels with controllable pitch propeller (CPP) systems or fixed pitch drives where bidirectional speed readout is operationally required.
✓ Integration within DEIF-based automation and control consoles on newbuild and retrofit vessel projects across commercial shipping and offshore sectors.
✓ Local control station instrumentation for generator sets and auxiliary machinery where analogue voltage-based speed signals are used for operator monitoring.
✓ Replacement instrumentation during planned maintenance, panel refurbishment, or control system upgrades where original DEIF XL144 indicators require substitution.
Why Marine Engineers Choose
The DEIF XL144 RPM Indicator is a trusted instrument within the DEIF product ecosystem, valued for its straightforward analogue interface, clear bidirectional scale, and robust panel-mount form factor that suits the demanding environment of shipboard control rooms.
Ideal For
Merchant vessels, ferries, RoPax, offshore support vessels, platform supply vessels, tugs, and any commercial vessel operating DEIF instrumentation or analogue-input engine monitoring panels requiring RPM indication.
Technical Support & Compliance
Technical assistance is available to support installation, commissioning, calibration, and integration of this RPM indicator into existing or upgraded marine control systems. Retrofit and panel replacement guidance can be provided subject to confirmation of the vessel’s existing system configuration and wiring arrangement. To confirm compatibility and suitability, buyers are encouraged to share nameplate photographs, existing panel drawings or wiring diagrams, the DEIF system model or software version in use, vessel name, IMO number, and the full scope of the intended application. All compatibility assessments are subject to confirmation based on documentation provided.
