Description Permanent Ultrasonic Flowmeter | GF U1000 V2 Specifications General Measuring Method Ultrasonic transit-time measurement Flow Range 0.1 m/s – 10 m/s (0.3 ft/s – 32 ft/s), bi-directional Accuracy ± 3 % of the flow value with a flow rate > 0.3 m/s (1.0 ft/s) Repeatability ±0.5 % of measured value Response Time < 500 ms Selectable Flow Units Velocity m/sec, ft/sec. Volume l/s, l/min, gal/s, gal/min, USgal/s, USgal/min, m3/min, m3/hr Selectable Totalizer Units liter, gallons, US gallons, m³ Menu Languages EN Temperature sensors (Heatmeter models only) Operating Temperature 0 °C to 50 °C Storage Temperature -10 °C to 60 °C Temperature of Pipe Wall 0 °C to 85 °C Accuracy Pt100 Class B 4-wire Resolution 0.1 °C Humidity During Operation Max. 90% relative humidity at 50 °C Suitable Pipe Types Pipe Materials PVDF, PP-H, PE, PB, ABS, UPVC, CPVC, construction steel, iron, stainless steel 316, copper Pipe Dimension (OD) 22 mm to 180 mm* Electronics Power Supply 12 to 24 V AC/DC Power Consumption Max. 7 VA Outputs Analog Output Range: 4 to 20 mA Resolution: 0.1 % of measurement range Load max.: 620 Ω Insulation: 1MΩ at 100 V Alarm Current: 3.5 mA Pulse Output Type: Opto-isolated MOSFET volt free contact (NO/NC) Pulse Sequence: 1 – 166 pps user-programmable frequency mode max. 200 Hz Pulse Width: 50 ms standard value, 3 – 99 ms user-programmable Max. Voltage: 24V DC or 24V AC Max. Current: 500 mA Insulation: 1MΩ at 100V Modbus Output Format: RTU Baud Rate: 1200, 2400, 4800, 9600, 19200, 38400 Data-Parity-StopBits: 8-None-2, 8-None-1, 8-Odd-2, 8-Even-1 Standards: PI–MBUS–300 Rev. J Physical Connection: RS485 Housing and Display Material Polycarbonate Dimensions 250 x 48 x 90 mm Weight 0.5 kg Keyboard Keypad with 4 buttons Display Type: LCD, 2 lines x 16 characters Viewing Angle: Min. 30°, Max. 40° Active Area: 83 x 18.6 mm Protection Class IP 54 Shipping Information Packaging Dimensions 290 x 280 x 100 mm Weight 1.4 kg Volume Weight 1.4 kg Standards and Approvals CE, RoHS compliant UL Listed Safety BS EN 61010-1:2010 EMC BS EN 61326-1:2013 BS EN 61326-2-3:2013 Environment BS EN 60068-1:2014 BS EN 60068-2-1:2007 BS EN 60068-2-2:2007 * Measurable pipe sizes are dependent on pipe material and inner pipe diameter. Permanent Ultrasonic Flowmeter | GF U1000 V2
