Description Clamp Thermal Mass Flow Meter | RWMF Clamp Table 1: Tri-clamp Thermal Gas Mass Flow Meter Parameter Measuring Medium Various of Gas (Except acetylene) Pipe Size DN10mm-DN100mm Velocity 0.1-100Nm/s Accuracy /-1~2.5% Working Temperature Sensor:-40~ 220 degC Transmitter:-20~ 45 degC Working Pressure Insertion Sensor: medium pressure ≤1.6Mpa Flanged Sensor: medium pressure ≤4.0Mpa Special pressure please double check Power Supply Compact type: 24VDC or 220VAC, Power consumption ≤18W Remote type:220VAC,Power consumption ≤19W Response Time 1s Output 4-20mA(optoelectronic isolation,maximum load 500Ω),Pulse RS485(optoelectronic isolation) and HART Alarm Output 1-2 line Relay, Normally Open state, 10A/220V/AC or 5A/30V/DC Sensor Type Standard Insertion, Hot-tapped Insertion and Flanged Construction Compact and Remote Pipe Material Carbon Steel, Stainless Steel, Plastic etc. Display 4 lines LCD Mass flow, Volume flow in standard condition, Flow totalizer, Date and Time, Working time, and Velocity, etc. Protection IP65 Table 2: Common Use Gas Maximum Range Calibre ( mm ) Air Nitrogen ( N2 ) Oxygen ( O2 ) Hydrogen ( H2 ) 15 65 65 32 10 25 175 175 89 28 32 290 290 144 45 40 450 450 226 70 50 700 700 352 110 65 1200 1200 600 185 80 1800 1800 900 280 100 2800 2800 1420 470 Table 3: Thermal Gas Mass Flow Meter Model Selection Model RWMF X X X X X X X Calibre DN15-DN4000 Structure Compact C Remote R Sensor type Insertion I Flange F Clamp C Screw S Material SS304 304 SS316 316 Pressure 1.6Mpa 1.6 2.5Mpa 2.5 4.0Mpa 4.0 Temperature -40-200℃ T1 -40-450℃ T2 Power Supply AC85~250V AC DC24~36V DC Signal Output 4-20mA Pulse RS485 RS 4-20mA Pulse HART HT Clamp Thermal Mass Flow Meter | RWMF Clamp