Ultrasonic transit-time flow sensor CG series

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Overview
The CG series clamp-on ultrasonic flow sensors/flow meters are compact in size, enabling efficient flow measurement and output without external circuitry. They can be easily clamped onto flexible plastic tubing for precise liquid flow rate measurement and air bubble detection. The non-invasive measurement technology makes the CG series ultrasonic flow sensors/flow meter ideal for stringent hygiene requirement applications.

Key Features

• High accuracy and high reliability
• Non-invasive flow rate measurement, no direct contact with liquid, hygienic and safe
• Bi-directional measurement, capable of calculating fluid volume, with bubble detection function
• Circuitry integrated inside the sensor/flowmeter, no need for external computing processing system, compact size
• No clogging, no redirection, no dead zones, low fluid pressure loss
• Provides standard output methods, seamless integration with customer systems
• Custom calibration available by specifying plastic tube material, size, temperature, and liquid type

Common Applications

• Medical devices: heart-lung machines (HLM), extracorporeal membrane oxygenation (ECMO), organ perfusion & systems for organ transportation, dialysis devices (hemodialysis and peritoneal dialysis), blood pumps, contrast media injection pumps
• Biopharmaceutical processes and equipment: single-use reaction vessels, fermenters, cell culture equipment, vaccine production, tangential flow filtration systems, liquid chromatography
• New energy production and processing: high-purity water and high-purity chemical reagent transfer systems
• Food and beverage processing: milk, juice, beer production processes
• Filling equipment, spraying equipment, cooling systems, lubrication systems
• Scientific experimental systems
• Water treatment and wastewater treatment systems

Product Selection (Part # / Flow Range / Accuracy / Tubing OD / Tubing ID)
Part # | Flow Range | Accuracy | Tubing OD | Tubing ID
CG016NS | Default: 500 mL/min Max: 2000 mL/min | 0-200 mL/min: ±6 mL/min; 200-2000 mL/min: ±3% | 5/32" (4 mm) / 4 mm | 1/16" (1.6 mm) / 2 mm
CG019NS | Default: 800 mL/min Max: 2000 mL/min | 0-200 mL/min: ±6 mL/min; 200-4000 mL/min: ±3% | 3/16" (4.8 mm) / 5 mm | 1/16" (1.6 mm) / 3 mm
CG025NS | Default: 1000 mL/min Max: 3000 mL/min | 0-200 mL/min: ±9 mL/min; 200-3000 mL/min: ±3% | 1/4" (6.4 mm) / 7 mm | 1/8" (3.2 mm) / 4 mm
CG032NS | Default: 2000 mL/min Max: 6000 mL/min | 0-300 mL/min: ±9 mL/min; 300-6000 mL/min: ±3% | 5/16" (7.9 mm) / 8 mm | 3/16" (4.8 mm) / 5 mm
CG038NS | Default: 3000 mL/min Max: 8000 mL/min | 0-500 mL/min: ±15 mL/min; 500-8000 mL/min: ±3% | 3/8" (9.5 mm) / 9 mm | 1/4" (6.4 mm) / 6 mm
CG044NS | Default: 4000 mL/min Max: 9000 mL/min | 0-600 mL/min: ±18 mL/min; 600-9000 mL/min: ±3% | 7/16" (11.1 mm) / 11 mm | 5/16" (7.9 mm) / 8 mm
CG050NS | Default: 5000 mL/min Max: 10000 mL/min | 0-700 mL/min: ±21 mL/min; 700-10000 mL/min: ±3% | 1/2" (12.7 mm) / 13 mm | 3/8" (9.5 mm) / 10 mm
CG056NS | Default: 6000 mL/min Max: 12000 mL/min | 0-800 mL/min: ±24 mL/min; 800-12000 mL/min: ±3% | 9/16" (14.3 mm) / 14 mm | 3/8" (9.5 mm) / 10 mm
CG063NS | Default: 8000 mL/min Max: 14000 mL/min | 0-900 mL/min: ±27 mL/min; 900-14000 mL/min: ±3% | 5/8" (15.9 mm) / 16 mm | 3/8" (9.5 mm) / 10 mm
CG075NS | Default: 10000 mL/min Max: 20000 mL/min | 0-1200 mL/min: ±36 mL/min; 1200-20000 mL/min: ±3% | 3/4" (19.1 mm) / 19 mm | 1/2" (12.7 mm) / 13 mm
CG100NS | Default: 25000 mL/min Max: 50000 mL/min | 0-2000 mL/min: ±60 mL/min; 2000-50000 mL/min: ±3% | 1" (25.4 mm) / 1" (25.4 mm) | 3/4" (19.1 mm) / 5/8" (15.9 mm)
CG125NS | Default: 50000 mL/min Max: 100000 mL/min | 0-8000 mL/min: ±240 mL/min; 8000-100000 mL/min: ±3% | 1 1/4" (31.8 mm) / 1 1/4" (31.8 mm) | 3/4" (19.1 mm) / 1" (25.4 mm)
CG138NS | Default: 50000 mL/min Max: 100000 mL/min | 0-9000 mL/min: ±240 mL/min; 9000-100000 mL/min: ±3% | 1 3/8" (35 mm) / 1 3/8" (35 mm) | 7/8" (22.2 mm) / 1" (25.4 mm)

Specifications

• Liquids: Water, blood, drinks, oil, paint, etc., without or not many solid particles
• Accuracy: 3% RD (Reading) plus zero offset
• Calibration: Default: 22 ±3 °C, water
• Tubing Material: PVC, Silicone, PFA, PE, PUR, etc., flexible plastic tubing with smooth inner and outer surfaces
• Housing Material: Plastic (Or stainless steel/aluminium)
• Input Voltage: 12-30 VDC
• Current: Less than 20 mA (without external load)
• Connector: 8 pole push-pull plug
• Fluid Temperature: 0 °C to 60 °C
• Ambient Temperature: 0 °C to 60 °C
• Shielding: Grounded
• Inputs and Outputs:
  • RS485
  • Analog output: Current output 4-20 mA, 0-20 mA, 0-24 mA; Voltage output 0-5 V, 0-10 V
  • Frequency output: 0-20 KHz
  • Digital output: NPN, PNP, PUSH-PULL
  • Digital input: Ground, lasts at least 20 ms
• Accessory: 8-wire shielded cable, default length 1.5 m
• Optional Accessories:
  • USB Data Converter: can connect a sensor to a PC
  • Flow Sensor Tool Box with display: can connect up to 3 sensors to a PC
  • Flow Sensor Monitor: can connect to a sensor with a display, and extend the sensor cable out
  • Flow Sensor Data Cable, 3 meters, push-pull plugs at both ends, can connect the flow sensor monitor and the sensor

Characteristics / Technical specifications

• Series: CG Series clamp-on ultrasonic flow sensors/flow meters
• Measurement: Non-invasive clamp-on ultrasonic measurement for flexible plastic tubing
• Bi-directional measurement with bubble detection and volume calculation
• Integrated circuitry inside sensor, compact design
• Wide range of part numbers covering flow ranges from mL/min to 100,000 mL/min
• Multiple outputs for integration: RS485, analog, frequency, digital
• Operating temperatures: 0 °C to 60 °C for fluid and ambient
• Power: 12-30 VDC, < 20 mA (no external load)