LDM150 Refrigerant Monitor. Includes integrated sensor, 3 alarm levels, 3 relay outputs, and 12 - 24 V (ac/dc) power input. For use with CO2
LDM150R Refrigerant Monitor, Includes remote sensor, 3 alarm levels, 3 relay outputs, built-in audio alarm with LED flasher (excludes R290 version), and 12 - 24 V (ac/dc) power input. For use with CO2