Trusted By Leading Institutions

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

Museum & Heritage

Preserve collections, archives and historic buildings with accurate, continuous environmental monitoring. Eltek and Grant Instruments solutions help conservation professionals understand and control temperature, humidity and light exposure - supporting preventive conservation and compliance with conservation standards.

Laboratories & Life Science

Ensure controlled environments remain within specification with precise, traceable data logging. We provide trusted solutions for laboratories and pharmaceutical facilities where data integrity and regulatory compliance are critical.

Industrial

Monitor processes, equipment, and building performance with dependable data logging solutions. From HVAC optimization to compliance monitoring, our systems deliver actionable insights for industrial and commercial environments.

Environmental

Collect accurate, high-quality data for field studies, experimental research, and environmental monitoring. Our flexible data loggers provide the reliability required for both remote and outdoor applications.

Built Environment

Optimize building performance and structural integrity through continuous monitoring. Our systems help professionals control temperature, humidity, and energy efficiency, supporting sustainable building management and conservation.

Product Families

  • Eltek Gen II Wireless Systems

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

  • Squirrel Data Loggers

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

  • dataTaker® Data Loggers

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