Category: Blog

Insulation Testing: Megohmmeter or Hipot Tester

Insulation Testing: Megohmmeter or Hipot Tester

Use a megohmmeter to measure insulation resistance in the field (non-destructive, trend monitoring). Use a hipot (dielectric withstand) tester to verify insulation breakdown thresholds in manufacturing or safety tests. Choose based on your use case, voltage needs, and test objectives. (more...)

DMM

Common Mistakes When Using a DMM

A DMM is essential—but simple setup errors can produce bad data or create hazards. Always verify lead placement, function/range, and CAT rating for the environment. Follow NFPA 70E safe work practices and select a meter rated for the task. (more...)

High Voltage Symbol

Detecting and Measuring High Voltages

Panel meters, digital multimeters (DMMs), power monitors and other general-purpose instruments are typically limited to detecting and measuring voltages less than 1000V. Specialized instrumentation is required for AC or DC voltages above this level. (more...)

Flow Rate

Ratemeters Explained

A ratemeter is a measuring instrument that accepts input pulses and displays a value that is proportional to the rate at which the pulses occur, averaged over a time selected by the user. (more...)

Submeter Array

Electricity Submetering

Energy submetering involves installing metering devices (kWh meters) downstream from the main utility meter to track energy usage at a more granular level. Submetering is often employed in multi-tenant residential and commercial buildings with a master utility meter. A submeter for each unit allows the energy cost to be allocated based on a tenant’s total consumption and usage pattern. (more...)