In September 2022 Mars-Energo sold a test system for accuracy testing and calibration of low-power instrument transformers (LPIT) to South Korea.

In September 2022 Mars-Energo sold a test system for accuracy testing and calibration of low-power instrument transformers (LPIT) to South Korea.

The test system consisted of the following instruments produced by OOO NPP Mars-Energo:

- Capacitive High-Voltage Transducer CHVT-220

- Portable current transformer TTIP-5000/5(1)

Reference comparator MarsCompK-1000-S