Eltek has over three decades of experience delivering reliable environmental monitoring and data logging solutions from our UK base in Cambridge.

Now part of Grant Instruments, we offer an expanded portfolio that combines Eltek’s trusted wireless systems with Grant’s advanced Squirrel and dataTaker® data loggers — giving customers unmatched flexibility, precision and scalability.

Why Eltek

  • Comprehensive portfolio

    Wireless, wired and hybrid data logging

  • Proven reliability

    Used in critical and regulated environments

  • Expert support

    UK-based technical advice and system design

  • Scalable solutions

    From single loggers to enterprise-wide systems

Markets We Serve

Heritage & Museums

Industry & Built Environment

Life Science & Laboratories

Academia & Research (Including Built Environment Research)

Product Families

  • Eltek Gen II Wireless Systems

    Flexible environmental monitoring with long battery life, alarms and centralised software.

  • Squirrel Data Loggers (Grant Instruments)

    Portable and fixed multi-channel data loggers for environmental, industrial and research applications.

  • dataTaker® Data Loggers (Grant Instruments)

    Rugged, high-accuracy loggers for advanced research, field studies and complex measurement tasks.