Maximum ammeters - BA and BE series are designed to measure the averaging RMS value of a a.c. current, in a 8 or 15 minutes' period.
An additional red pointer, displaced by...
Frequency meters CA39D and CA32D types are designed to measure voltage frequency in a.c. electrical power networks. Two instruments in one case can be used to save both panel ...
EA19D meter is designed for the measurement of AC currents for frequency range of 15 ... 400Hz and voltages in the frequency range of 15 ... 100Hz.
Meter has two different ...
Voltmeters equipped with a change-over switch EP27 and EP29 type are destined to measure phase-to-phase and line-to-line voltages in low voltage power networks.
A switch in...
