Description Modular Ultrasonic Flow Meter | RWTT Modular Table 1: Wall Mount Type Ultrasonic Flow Meter Technology Parameter Items Specifications Accuracy ±1% of reading at rates >0.2 mps Repeatability 0.002 Principle Transmit time Velocity ±32m/s Pipe Size DN15mm-DN6000mm Display LCD with backlight, display accumulated flow/heat, instantaneous flow/heat, velocity, time etc. Signal Output 1-way 4-20mA output 1-way OCT pulse output 1-way relay output Signal Input 3-way 4-20mA input achieve to heat measurement by connecting PT100 platinum resistor Other Functions Automatically record the positive,negative, net totalizer flow rate and heat. Automatically record the time of power-on/off and flow rate of the last 30 times. Replenish by hand or read the data through Modbus communication protocol. Pipe Material Carbon Steel, stainless steel, cast iron, cement pipe, copper, PVC, aluminium, FRP etc. Liner is allowed Straight Pipe Section Upstram: 10D; Downsteam:5D; From the pump:30D (D means outer diameter) Liquid Types Water, seawater, industrial sewage, acid & alkali liquid, alcohol, beer, all kinds of oils which can transmit ultrasonic single uniform liquid Liquid Temperature Standard: -30℃ ~ 90℃ ,High-temperature:-30℃ ~ 160℃ Liquid Turbidity Less than 10000ppm, with a little bubble Flow Direction Bi-directional measuring, net flow/heat measuring Environment Temperature Main Unit: -30℃ ~ 80℃ Transducer: -30℃ ~ 160℃, Temperature transducer: select on enquiry Environment Humidity Main Unit: 85% RH Transducer: standard is IP65, IP68(optional) Cable Twisted Pair Line, standard length of 5m, can be extended to 500m (not recommended); Contact the manufacturer for longer cable requirement. RS-485 interface, transmission distance up to 1000m Power Supply DC24V Power Consumption Less than 1.5W Communication MODBUS RTU RS485 Table 2: Wall Mount Type Ultrasonic Flow Meter Transducer Selection Type Specification Measuring range Temperature range Clamp on type Small-size DN15mm~DN100mm -30℃~90℃ Middle- size DN50mm~DN700mm -30℃~90℃ Large -size DN300mm~DN6000mm -30℃~90℃ High temperature clamp on type Small-size DN15mm~DN100mm -30℃~160℃ Middle- size DN50mm~DN700mm -30℃~160℃ Large -size DN300mm~DN6000mm -30℃~160℃ Insert type standard length type Wall thickness ≤20mm DN50mm~DN6000mm -30℃~160℃ Extra-length type Wall thickness ≤70mm DN50mm~DN6000mm -30℃~160℃ Parallel type used for narrow installation space DN80mm~DN6000mm -30℃~160℃ Inline type π type inline DN15mm~DN32mm -30℃~160℃ Flange type DN40mm~DN1000mm -30℃~160℃ Table 3: Wall Mount Type Ultrasonic Flow Meter Temperature Sensor Model PT100 Accuracy Cut Off Water Measuring Range Temperature Clamp-on ± 1% No DN50mm~DN6000mm -40℃~160℃ Insertion Sensor ± 1% Yes DN50mm~DN6000mm -40℃~160℃ Insertion-type installation with pressure ± 1% No DN50mm~DN6000mm -40℃~160℃ Insertion type for small pipe diameter ± 1% Yes DN15mm~DN50mm -40℃~160℃ Modular Ultrasonic Flow Meter | RWTT Modular
