Switchboard Frequency Meters

General Details

Switchboard Frequency Meters

Switchboard Frequency Meters in the Crompton 007 Series are a robust range of self contained switchboard meters, with pivot and jewel moving iron movements featuring a 250 degree linear scale. While type of frequency meters can be damaged by transient supply voltage spike, Switchboard Frequency Meters in the Crompton Instruments 007 Series can withstand, without damage, 10 successive transient spikes of 1250 volts.

Terminal Cover included as a standard option with all units at no extra charge for extra safety.

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

Units offer high accuracy +/- .25 Hz, and are cRU approved. Units offer IP54 protection. Operating temperature is from 0 Degrees Celsius to +60 Degrees Celsius.

Advantages are easy to install. Models have only two terminals to connect. There are no configuration settings or setup menus to complicate the installation. Analog frequency 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.


  • 250 Degree linear scale
  • Pivot and Jewel moving iron
  • Terminal Cover included no charge



  • ANSI C39.1(1981)


  • cRU E203000
007-41LA Switchboard Frequency Meter

007-41LA Switchboard Frequency Meter

  • cRU E203000