Ultrasonic transit-time flow meter CS series

volumefor waterfor wastewater

Product overview
The CS series clamp-on ultrasonic flow sensor/flow meter provides compact, non-invasive flow measurement for rigid plastic tubing (PFA, PTFE, Teflon, PVDF, PP, Nylon).

The clamp-on design eliminates direct liquid contact to avoid cross-contamination and enables detection of air bubbles, bidirectional flow measurement, volume dosing and flow switching without external circuitry.

Compare to CPD series clamp on flow sensors, the CS series flow sensor / flow meter has no built-in LED display.

Key features

• High accuracy: typical ±3% (see part-specific tables for ranges)
• Non-invasive clamp-on installation, no fluid contact
• Bi-directional measurement, air-bubble detection, dosing and flow-switch capability
• Compact integrated electronics — no external wiring required
• Designed to avoid blockages and dead zones
• Multiple output options for automation integration

Applications

• Fluid monitoring during semiconductor manufacturing, such as high purity water and corrosive chemicals
• Medical devices such as hemodialysis machine, organ transplantation system, heart-lung machine, and blood pump
• Biopharmaceutical processes and equipment, such as fermenters, cell culture equipment, vaccine production, tangential flow filtration systems, and liquid chromatographs
• Food & beverage processing, such as milk, juice, and beer production
• Filling equipment, spraying equipment, cooling system, and lubrication system
• Scientific experiment system
• Water treatment and wastewater treatment system

Product selection
CS025NS

• Max Flow: 5L/min
• Accuracy: 0-0.5L/min: ±10mL/min, 0.5-2L/min±2% RD
• Tubing OD: 1/4"
• Tubing ID: 3∽5mm

CS038NS

• Max Flow: 10L/min
• Accuracy: 0-1L/min:±20mL/min, 1-5L/min±2% RD
• Tubing OD: 3/8"
• Tubing ID: 5∽8mm

CS050NS

• Max Flow: 40L/min
• Accuracy: 0-1.5L/min:±30mL/min, 1.5-20L/min±2% RD
• Tubing OD: 1/2"
• Tubing ID: 6∽11mm

CS075NS

• Max Flow: 80L/min
• Accuracy: 0-3L/min:±60mL/min, 3-40L/min:±2% RD
• Tubing OD: 5/8"
• Tubing ID: 12∽16mm

CS100NS

• Max Flow: 100L/min
• Accuracy: 0-6L/min:±120mL/min, 6-50L/min:±2% RD
• Tubing OD: 1"
• Tubing ID: 15∽20mm

CS131NS

• Max Flow: 150L/min
• Accuracy: 0-8L/min:±160mL/min, 8-75L/min:±2% RD
• Tubing OD: 1 -5/16 ”
• Tubing ID: 2127mm

CS049MS

• Max Flow: 300 L/min
• Accuracy: 0-20L/min:±400mL/min, 20-150L/min:±2% RD
• Tubing OD: 48.8mm
• Tubing ID: 40.8mm

CS060MS

• Max Flow: 400L/min
• Accuracy: 0-25L/min:±500mL/min, 25-200L/min:±2% RD
• Tubing OD: 60.3mm
• Tubing ID: 52.5mm

Inputs / Outputs and connectivity

• RS485 output
• Analog output: current options 4–20 mA, 0–20 mA, 0–24 mA; voltage options 0–5 V, 0–10 V
• Frequency output: 0–20 kHz
• Digital output: NPN, PNP, PUSH-PULL
• Digital input: ground-referenced, minimum pulse 20 ms

Accessories and optional accessories

• Supplied accessory: 8-wire shielded cable, default length 1.5 m
• Optional: USB data converter (connect sensor to PC)
• Optional: Flow sensor toolbox with display (connect up to 3 sensors to PC)
• Optional: Flow sensor monitor (display and cable extension)
• Optional: Flow sensor data cable, 3 m, push-pull plugs both ends (monitor↔sensor)

Technical specifications

• Liquid compatibility: water, blood, drinks, oil, paint, acids, chemicals, CMP slurry (low solids)
• Accuracy: 2% plus zero offset (part-specific accuracy in table)
• Calibration: default 22 ±3 °C, water
• Tubing material: PFA, PTFE, Teflon, PP, PVDF, Nylon; smooth inner/outer surfaces
• Housing material: plastic
• Input voltage: 12–30 VDC
• Current consumption:
• Connector: 8-pin push-pull plug
• Fluid temperature range: 0 °C to 90 °C
• Ambient temperature range: 0 °C to 60 °C
• Shielding: grounded
• Outputs: RS485, analog (4–20 mA, 0–20 mA, 0–24 mA, 0–5 V, 0–10 V), frequency (0–20 kHz), digital (NPN, PNP, PUSH-PULL)