Calibration of electrical meters

The proper functioning of electrical installation testers plays a key role in detecting any irregularities and controlling electrical safety.

Their verification should take place according to the calibration interval indicated by the manufacturer, normally at least once a year.

Large measurement ranges, including:

• low resistances in the ranges from 100mΩ to 10kΩ
• high resistances in the range from 10kΩ to 100GΩ
• continuity resistances of protective and equipotential bonding conductors in the range of 25mΩ to 1.8kΩ
• line impedances, short-circuit loops in the range from 25mΩ to 1.8kΩ
• RCD parameters
  • tripping currents from 3mA to 3000mA with simulation of all types of circuit breakers
  • tripping times from 10ms to 5000ms with simulation of all types of circuit breakers
• AC/DC voltages from 3 to 10kV
• clamp meters in the range from 1 to 1000A AC/DC for 50Hz and 400Hz

Certificate of conformity with EN 61557-1 to 10

Testing of the above devices takes place at the Merazet S.A. laboratory in accordance with the latest edition of the PN-EN 61557-1 to 10 standard and ends with the issue of a certificate of conformity of the device with this standard.

Photovoltaic system measuring instruments

Calibration of additional functions for multimeters with measurement of FV installation parameters includes:

• simulation of the voltage at the input of the irradiance sensor (simulation of the irradiance reference panel)
• calibration of the photovoltaic panel temperature probe

Individual enquiries

We also carry out unusual and individual tests and calibrations. We look forward to hearing from you!

Ask for calibration