GF Signet U1000 UltraFlow Ultrasonic Flow Sensor

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The GF Signet U1000 UltraFlow Ultrasonic Flow Sensor by Georg Fischer provides accurate, non-invasive flow measurement for pipe sizes from 0.75 to 6 inches (d22-d180). Its clamp-on design ensures easy installation without interrupting operations, making it ideal for water treatment, HVAC, and industrial process monitoring.
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Manufacturer: Georg Fischer (GF Signet)
Product Type: Ultrasonic Clamp-On Flow Sensor
Applications: Water treatment, HVAC systems, chilled water metering, industrial process monitoring
Flow Range: 0.1 to 10 m/s (0.33 to 33 ft/s)
Design Features:
  • Non-contact ultrasonic transit-time technology
  • Clamp-on installation for zero downtime
  • Compact, rugged design for industrial environments
  • Output options: 4-20 mA, Pulse, or Modbus
Pipe Size Range: 0.75 to 6 inches (d22 to d180)
Operating Temperature: -10°C to 85°C (14°F to 185°F)
Accuracy: ±3% of measured value (within velocity range)
Power Supply: 12-24 VAC/DC
Protection Rating: IP54
Housing Material: Polycarbonate
Minimum Conductivity: Not applicable (ultrasonic, non-invasive)
Code Type Description
159 300 300 U1000 V2 Type U1000 V2 | Flowmeter | 12-24 VAC | d22-d115 | 0.75 in. to 4 in. | 4 to 20 mA, Pulse
159 300 301 U1000 V2 Type U1000 V2 | Flowmeter | 12-24 VAC | d125-d180 | 5 in. to 6 in. | 4 to 20 mA, Pulse
159 300 302 U1000 V2 Type U1000 V2 | Flowmeter | 12-24 VAC | d22-d115 | 0.75 in. to 4 in. | Modbus, Pulse
159 300 303 U1000 V2 Type U1000 V2 | Flowmeter | 12-24 VAC | d125-d180 | 5 in. to 6 in. | Modbus, Pulse
Code Description
159 300 088 Ultrasonic Flowmeter | Spare parts | Transducer gel pads (2 pcs)
159 300 038 Ultrasonic Flowmeter | Spare parts | Super Lube® coupling grease (85 g)
159 300 089 Ultrasonic Flowmeter | type U1000 V2 | Spare parts | Guide rail incl. transducers