Single jet nonmagnetic heat meter 1,single jet 2,Nonmagnetic 3,6 years battery life 4,High quality YG-RLM series heat meters are new single-jet meters developed based on YG-RLM. This series can be used to calculate heat or cold in apartment. This series is suitable for temperature range from 4 to 95 Performance featuresFlow range 1.5~3.5m3/hMinimum temperature difference is 3Can be mounted in ...