S461 Ultrasonic Flow Meter 4/6 Technical Data Flow Ranges DN DO Max flow mm mm l/min m3/h cfm 40 48 905 54 32 50 60 1,414 85 50 65 76 2,389 143 84 80 88 3,619 217 128 100 114 5,655 339 200 125 139 8,835 530 312 150 165 12,723 763 449 200 219 22,618 1,357 799 250 273 35,341 2,121 1,248 300 323 50,891 3,054 1,797 500 508 141,365 8,482 4,992 1000 1016 565,458 33,929 19,970 1200 1219 814,260 48,858 28,756 Measurement Flow Accuracy 1.0 % o. RDG ±0.01 m/s Selectable units Metric: Imperial: m/s, m³/h, m³/min, l/min, m³ ft/min, cfm, cfs, USG/min, IG/min, bbl/min Measuring range 0.03 ... 12 m/s Repeatability 0.2 % o.RDG Transducer Ultrasonic transducer Sampling rate 5 samples / sec Response time (t90) 0.1 sec Consumption Selectable units Metric: Imperial: m³, l cf, IG, UG, bbl Temperature Accuracy 0.5 °C Selectable units Metric: °C. Imperial: °F Measuring range -40 ... +130 °C Sensor Pt1000 Energy Flow Selectable units Metric: Imperial: GJ/h, kJ/h, kcal/h MBtu/h, Btu/h Energy Selectable units Metric: Imperial: GJ, kJ, kcal, kWh, MWh Mbtu, Btu General data Configuration Wireless S4C-US App for mobile phones Display Size/Resolution 2.4” color (640 x 480) graphic display, 1 touch button Data Logger Storage 8 Mio. values Material Main Casing PC + ABS Transducer UT-S: Industrial synthetic plastics UTH-S: Aluminum Miscellaneous Electrical connection 2 x M12 D code (4 pole): transducer 2 x M12 (5 pole): Signals/Supply. (8-pole x-coded) for TCP 2 x M8 (4 pole): Pt1000 (Energy Meter Version) Protection class Main casing: IP65. Transducer: IP68 Approvals CE, RoHS, FCC Dimensions Main unit: 124 x 102 x 70 mm UT-S Transducer: 64 x 30 x 27 mm UTH-S Transducer: 68 x 34 x 34 mm Weight 1.2 kg Operating conditions Fluids All acoustically conductive liquids with less than 10 % gaseous Medium temperature -40 ... +130 °C Ambient temperature Main unit: 0 ... +50 °C UT-S Transducer: 0 ... +80 °C UTH-S Transducer: -40 ... +130 °C Ambient humidity < 99 % rH Storage temperature -30 ... 70 °C Transport temperature -30 ... 70 °C Pipe sizes DN40 ... DN1200 Remarks: DN: nominal inner diamter DO: outer diameter (depends on standard and material) Signal / Interface & Supply Analog output (Option) Signal 4 ... 20 mA (4-wire), isolated Scaling 0 ... max flow, freely adjustable Load max. 250 Ohm Update rate 100 ms Pulse output (Option) Signal Switch output, normally open, nominal value: 24 VDC/0.5 A Scaling 1 pulse per consumption unit (selectable) Fieldbus Protocol Modbus/RTU (Standard) Modbus/TCP and PoE (Option) Supply Voltage supply 20 ... 28 VDC Current consumption 150 mA @ 24 VDC
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