S462 Compact Ultrasonic Flow Meter for Liquids 3/4 Measurement Flow Accuracy 1.5 % o.RDG + 0.2 % FS (0.5 ... 5.0 m/s) Selectable units m³/h, l/min, GAL Measuring range 0.05 ... 5.0 m/s (see table below) Repeatability 0.80 % o.RDG Sensor Piezo ultrasonic transducer Sampling rate 3 samples / sec Turn-down ratio 10:1 Response time (t90) <2 sec Consumption Selectable units m³, liter, GAL Reference conditions Selectable conditions 20 °C 1000 mbar (ISO1217), 0 °C 1013 mbar (DIN1343) freely adjustable General data Configuration Settings via integrated keyboard Display Integrated OLED, 128 x 64 pixel (31 x 16 mm) Data Logger Totalizer Daily, monthly, yearly consumption Material Housing Aluminum alloy Sensor PEI Display cover PMMA Key pad F150 Miscellaneous Dimensions See dimension drawing Electrical connection 1 x M12 (5 pole) Protection class IP65 Approvals CE, RoHS, FCC Weight 0.47 ... 0.60 kg (depends on model) Operating conditions Medium Water, sea water, others on request Medium quality No solid particles, no air bubbles Pipe material Carbon steel, stainless steel, copper, PVC, PP, PU Medium temperature 0 ... 50 °C Ambient temperature 0 ... 50 °C Ambient humidity < 95 % rH Storage temperature -30 ... +70 °C Transport temperature -30 ... +70 °C Pipe sizes DN20, DN25, DN32, DN40 Signal / Interface & Supply Analog output Signal 4 ... 20 mA Scaling 0 ... max flow / adjustable Load <600R Update rate 3/sec Fieldbus Protocol Modbus/RTU Supply Voltage supply 20 ... 28 VDC Current consumption 100 mA @ 24 VDC Technical Data Model Depending Technical Data Model DN20 DN25 DN32 DN40 Pipe size Pipe OD (mm) 25 ... 28 32 ... 35 38 ... 45 48 ... 54 Pipe ID (mm) 20 25 32 40 NPS 3/4” 1” 1¼” 1½” Flow Range Min flow (l/min) 0.94 1.47 2.41 3.77 Max flow (l/min) 94.2 147.2 241.2 377.0
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