Saxon Hour Meters

General Details

Saxon Hour Meters

Crompton Instruments durable range of Saxon Hour Meters. Available in either Size 2 1⁄2″ (Model 012) or 3 1⁄2″ (Model 013). Saxon Hour Meters are elapsed time meters (ETM) offering high quality IP54 protection, designed to perform in demanding environments.

Units incorporate high quality rugged Pivot and Jewel mechanisms, with superior high accuracy, 0.15 % for 50 Hz or 60 Hz center frequency. Units are non-resettable to avoid possible tampering and comply with ANSI C39.1(IEC 51). Units measure 99999.99 hours, and offer cRUus approval number E203000.

Typical applications include building management, control panels, distribution systems, energy management, generator sets, motor control, process control, switchgear, and utility power monitoring.

Advantages of electromechanical counters are easy installation, and are non resettable to avoid tampering and accidental erasing of hours elapsed.. Models have only two terminals for connection and easy set up. There are no configuration settings or setup menus to complicate the installation. Electromechanical units do not require external power.

The Crompton Instruments product range represents one of the largest product offerings of power measurement, control, and protection instrumentation, for switchgear and generator set manufacturers, panel builders and OEMs.

Crompton Instruments products offer proven reliability across a diverse array of industries including power generation, process control, test and measurement, utility, marine, defence and energy management applications. To meet the challenges of ever decreasing lead times and industry developments, design and manufacturing processes are constantly reviewed and updated.

By combining local knowledge with over 100 years of research, product development and manufacturing capabilities, Crompton Instruments products provide the highest standards of performance and user convenience


  • 2.5 or 3.5 inch design
  • 50 or 60 Hz frequency
  • Measures 99999.99 hours



  • ANSI C39.1(IEC 51)
  • BS EN61010-1


  • cRUus E203000
012 or 013 Hour Meter

012 or 013 Hour Meter

  • cRUus E203000