VAF INSTRUMENTS SPU-3

Product Overview The VAF INSTRUMENTS SPU-3 is a marine signal processing and high-frequency data collection unit engineered for vessel propulsion efficiency monitoring systems, designed to comply with DNV marine type approval and IEC 60945 marine EMC standards. Built for marine sensor data acquisition, propulsion performance calculation, fuel consumption monitoring, this robust marine unit withstands engine room salt mist, continuous vibration and wide temperature fluctuation, delivers stable 24/7 continuous operation, and serves as core signal processing hardware for merchant ships, offshore vessels and DP vessels integrated with VAF T-Sense and PEM-4 monitoring system.

Featuring multi-channel pulse and analog inputs, support for up to 12 flowmeters, Ethernet communication port & IP65 sealed enclosure. It supports DIN rail cabinet mounting, adapting to limited installation space inside marine automation control cabinets. The modular assembly allows separate replacement of internal interface components without full vessel performance monitoring system shutdown, greatly reducing equipment downtime for service. Equipped with temperature compensation algorithm, EEXI/CII compliance data logging & built-in sensor fault diagnosis, mature hardware structure prevents signal interference and guarantees dependable marine data processing performance during continuous duty.

For dependable marine sensor data acquisition, propulsion performance calculation, fuel consumption monitoring, SPU-3 gathers signals from flowmeters, torque sensors, GPS and speed log, computes shaft power, SFOC and propulsion efficiency metrics, and transmits processed data to PEM-4 display or cloud platform. Reliable marine sensor data acquisition, propulsion performance calculation, fuel consumption monitoring, premium marine-grade electronic components provide excellent shock and corrosion resistance, extending service life in harsh marine engine room working environments. Practical temperature compensation algorithm, EEXI/CII compliance data logging & built-in sensor fault diagnosis, service technicians can check sensor status and export recorded vessel performance data during routine vessel inspection.

During continuous marine sensor data acquisition, propulsion performance calculation, fuel consumption monitoring, this signal processing unit is fully compatible with VAF T-Sense, TT-Sense torque sensors and PEM-4 propulsion monitoring platforms. Stable marine sensor data acquisition, propulsion performance calculation, fuel consumption monitoring, mature VAF marine propulsion monitoring technology with easy spare parts replacement and convenient after-sales maintenance. Robust temperature compensation algorithm, EEXI/CII compliance data logging & built-in sensor fault diagnosis, simplifies marine control cabinet layout and reduces installation workload for vessel fuel monitoring retrofitting and propulsion efficiency system overhaul projects.

Technical Specifications Brand: VAF INSTRUMENTS Model: SPU-3 Product Type: Marine Signal Processing & High-frequency Data Collection Unit Mounting: DIN rail cabinet mount Power Supply: 24V DC / 115-230V AC Communication: Ethernet, Modbus, NMEA Function: Multi-sensor data collection, shaft power calculation, fuel consumption logging, EEXI/CII data recording, self-diagnosis Protection: Salt mist corrosion resistance, vibration resistance, wide operating temperature, EMC anti-interference, IP65 enclosure Application Field: Ship propulsion monitoring, fuel consumption measurement, EEXI CII compliance, offshore vessel performance system

Key Features Designed for marine sensor data acquisition, propulsion performance calculation, fuel consumption monitoring, modular marine signal processing unit for vessel propulsion efficiency monitoring application. Adopts multi-channel pulse and analog inputs, support for up to 12 flowmeters, Ethernet communication port & IP65 sealed enclosure, DIN rail installation simplifies layout and reduces wiring work. Equipped with temperature compensation algorithm, EEXI/CII compliance data logging & built-in sensor fault diagnosis, mounting adapts limited control cabinet space. Modular structure allows separate component replacement without full vessel monitoring system shutdown, cutting downtime. Premium rugged marine electronic components resist mechanical shock and salt mist corrosion, stable performance under variable marine environment and long-hour operation. Spare VAF INSTRUMENTS SPU-3 signal processing unit for retrofitting and overhaul of marine propulsion performance monitoring systems.

Application Scope ‑ Marine data processing unit: signal collector performing marine sensor data acquisition, propulsion performance calculation, fuel consumption monitoring, receives multi-sensor signals and calculates vessel propulsion parameters for marine performance operators. ‑ Compact cabinet DIN rail installation: multi-channel pulse and analog inputs, support for up to 12 flowmeters, Ethernet communication port & IP65 sealed enclosure, compact modular design saves engine room cabinet installation space. ‑ Low-maintenance continuous operation: temperature compensation algorithm, EEXI/CII compliance data logging & built-in sensor fault diagnosis, component replacement without dismantling the whole SPU-3 assembly. ‑ Spare-part maintenance: replacement VAF INSTRUMENTS SPU-3 signal processing unit for overhaul and hardware renewal of marine fuel and propulsion monitoring systems.

Package & Delivery Each VAF INSTRUMENTS SPU-3 unit is packed with anti-static wrapping and shockproof export carton for marine automation spare parts shipment. Complete delivery includes SPU-3 main unit; installation manual and maintenance guide are provided for reference. Matching sensor cables, terminal connectors and mounting accessories are available as optional spare parts.