Trumeter APM-FREQ-APN Цифровой панельный многофункциональный измеритель

The Trumeter APM is the most visible, easy to use, multi-format, programmable panel meter on the market.
The APM digital frequency meter is the most easy-to-use programmable frequency meter on the market. It boasts excellent visibility with 15 built-in configurations and is highly customisable for your requirements. The meter allows AC frequencies of up to 400 Hz to be measured directly by the meter itself. It can also accurately measure DC pulses after a simply configuration using the software- which is free to download from Trumeter.
The features of this APM frequency meter make it a suitable choice in many applications, including mains, industrial and aviation.