... SmartHeat). 9X-UR1000 series is based on the advanced multi-channel ultrasonic flowmeter, and offers higher accuracy of flow measurement. ... measurementl Good low flowl Configured as passing the central channel, and measuring symmetric and asymmetric flow state distributionsl ... pressure classes are available.)-CH1: 1-channel-CH2: 2-channel-CH3: 3-channel-CH4: 4-channel-CH5: 5-channelNote: For DN100 and ...