... ,high precision,hihgstability and high reliability.(2)Advanced sensor technologyUH Ultrasonic Heat Meter adopts patent technology of ... meter which based on ultrasonictransit-time,constituted by flow sensor,the temperatre sensor and deposition of theinstrument,related to the ... .The key technical indexes:Accuracy class Level 2Temperature sensor Pt1000Temperature resolution 0.01°CMedium temperature 0°C- ...