Industrial Flow Sensors

The SensorsX SX-CCFMA Series is a four-electrode conductivity and salinity sensor designed for industrial and environmental water quality monitoring. It provides simultaneous measurement of conductivity, salinity, TDS, and temperature, with RS-485 Modbus communication, automatic temperature compensation, and IP68 protection for reliable long-term operation.

• Measurement Principle: Four-electrode technology
• Conductivity Range: 0–200 mS/cm (0–2, 2–20, 20–200 mS/cm sub-ranges)
• Salinity Range: 0–175 ppt
• TDS Range: 0–128,000 mg/L
• Accuracy: Conductivity: ±1% or 0.01 mS/cm, whichever is greater;
• Salinity: ±1 ppt
• Output Interface: RS-485, Modbus
• Power Supply: DC 9–24 V, >500 mA
• Ingress Protection: IP68
• Operating Temperature: 0–50 °C (32–122 °F)
  

The SensorsX SX-CCFNA Series is a four-electrode conductivity and salinity sensor for industrial water quality monitoring. It measures conductivity, salinity, TDS, and temperature, with RS-485 Modbus communication, automatic temperature compensation, and IP68 protection for long-term submersible applications.

• Measurement Principle: Four-electrode technology
• Conductivity Range: 0.001–5 mS/cm or 0.001–100 mS/cm
• Salinity Range: 0–2.5 ppt or 0–80 ppt
• TDS Range: 0–3,200 mg/L or 0–64,000 mg/L
• Accuracy: Conductivity: ±1% or 0.01 mS/cm, whichever is greater; Salinity: ±0.05 ppt or ±1 ppt
• Output Interface: RS-485, Modbus
• Power Supply: DC 9–24 V, >500 mA
• Ingress Protection: IP68
• Operating Temperature: 0–50 °C (32–122 °F)

The SensorsX SX-CDRCA Series is a self-cleaning dissolved oxygen sensor designed for reliable water-quality monitoring. It uses fluorescence measurement technology with a 0–50 mg/L range, RS-485/Modbus digital output, and IP68 protection. Its integrated cleaning brush helps reduce fouling and maintenance, making it suitable for wastewater treatment, aquaculture, and environmental monitoring applications.

• Measurement Principle: Fluorescence Method
• Measurement Range: 0–50 mg/L or 0–500% saturation
• Accuracy: 0–20 mg/L: ±1% or ±0.2 mg/L; >20 mg/L: ±5% or ±0.6 mg/L (whichever is greater)
• Output Interface: RS-485 / Modbus
• Power Supply: DC 6–24 V, ≥1 A
• Ingress Protection: IP68
• Maximum Water Depth: 30 m
• Operating Temperature: 0–50 °C (32–122 °F)

The SensorsX SX-CDRNA Series is an online dissolved oxygen sensor using fluorescence measurement technology for accurate and stable water quality monitoring. It offers a measurement range of 0–20 mg/L or 0–200% saturation, RS-485/Modbus communication, automatic temperature compensation, and IP68 protection. With no electrolyte required and low maintenance needs, it is ideal for wastewater treatment, aquatic monitoring, and other industrial water quality applications.

• Measurement Principle: Fluorescence Method
• Measurement Range: 0–20 mg/L or 0–200% saturation
• Accuracy: ±1% or ±0.3 mg/L, whichever is greater
• Output Interface: RS-485 / Modbus
• Power Supply: DC 9–24 V, current > 50 mA
• Ingress Protection: IP68
• Maximum Water Depth: 60 m
• Operating Temperature: 0–50 °C (32–122 °F)

The SensorsX SX-CDRQA Series is a fluorescence-based dissolved oxygen sensor designed for aquaculture and water-quality monitoring, offering a 0–20 mg/L measurement range, ±3% accuracy, built-in temperature compensation, RS-485/Modbus communication, and IP68 protection for reliable, low-maintenance long-term immersion applications.

• Measurement Principle: Fluorescence method
• Measurement Range: 0–20 mg/L or 0–200% saturation
• Accuracy: ±3%
• Output Interface: RS-485 / Modbus
• Power Supply: DC 9–24 V, current > 50 mA
• Ingress Protection: IP68
• Maximum Water Depth: 30 m
• Operating Temperature: 0–50 °C (32–122 °F)

The SensorsX SX-CHUCA Series is a self-cleaning UV254 sensor designed for continuous COD, TOC, turbidity, and temperature monitoring in water. Using a reagent-free UV absorption method, it features automatic turbidity compensation and an integrated cleaning brush for stable, low-maintenance operation. With RS-485/Modbus communication and IP68 protection, it is ideal for wastewater treatment, industrial effluent, and surface water monitoring.

• Measurement Principle: UV absorption method (UV254)
• COD Range: 0–500 mg/L / 0–1,500 mg/L
• TOC Range: 0–180 mg/L / 0–600 mg/L
• Turbidity Range: 0–300 NTU / 0–500 NTU
• Accuracy: ±5% COD
• Output Signal: RS-485 / Modbus
• Power Supply: DC 12–24 V, ≥1 A
• Ingress Protection: IP68
• Ambient Temperature: 0°C to +50°C (32°F to 122°F)

The SensorsX SX-CHUEA Series is a self-cleaning UV COD sensor designed for continuous water-quality monitoring. It measures COD, TOC, turbidity, and temperature without chemical reagents, and features automatic turbidity compensation and a self-cleaning brush for stable, low-maintenance operation. With RS-485 Modbus communication, IP68 protection, and a durable 316L stainless-steel housing, it is suitable for wastewater treatment, industrial effluent, and surface-water monitoring.

• Measurement Principle: UV absorption method
• COD Range: 0–500 mg/L / 0–1,500 mg/L
• TOC Range: 0–180 mg/L / 0–600 mg/L
• Turbidity Range: 0–500 NTU
• Accuracy: ±5% COD
• Output Signal: RS-485 / Modbus
• Power Supply: DC 12–24 V, ≥1 A
• Ingress Protection: IP68
• Ambient Temperature: 0–50 °C (32–122 °F)

The SensorsX SX-CNLCA Series is a self-cleaning ammonia nitrogen sensor designed for real-time water and wastewater monitoring. It uses an ion-selective electrode method with automatic pH and temperature compensation, requires no chemical reagents, and features an integrated cleaning brush for reduced maintenance. With RS-485 Modbus communication, IP68 protection, and an NH4-N measurement range of 0–100 mg/L, it is well suited for continuous industrial water-quality monitoring.

• Measurement Principle: Ion-selective electrode method
• NH4-N Range: 0–100 mg/L (0–1,000 mg/L optional)
• pH Range: 4–10 pH
• Accuracy: ±10% or ±0.5 mg/L, whichever is greater
• Resolution: 0.01 mg/L
• Output Signal: RS-485 / Modbus
• Power Supply: DC 9–24 V, ≥1 A
• Ingress Protection: IP68
• Operating Temperature: 0°C to +50°C
• Calibration: 1-point or 2-point calibration

The SensorsX SX-CNLNA Series is a brushless ammonia nitrogen sensor designed for real-time water and wastewater monitoring. Using an ion-selective electrode method with automatic pH and temperature compensation, it provides reliable NH4-N measurement without reagents or chemical waste. RS-485 with Modbus, IP68 protection, and replaceable electrodes make it easy to integrate and maintain in online water-quality monitoring systems.

• Measurement Principle: Ion-selective electrode method
• NH4-N Range: 0–100 mg/L (0–1,000 mg/L optional)
• pH Range: 4–10 pH
• Accuracy: ±10% or ±0.5 mg/L, whichever is greater
• Resolution: 0.01 mg/L
• Output Signal: RS-485, Modbus protocol
• Power Supply: DC 9–24 V, ≥1 A
• Ingress Protection: IP68
• Operating Temperature: 0–50 °C (32–122 °F)
• Calibration: 1-point or 2-point calibration

The SensorsX SX-COPNA Series is a digital ORP sensor designed for continuous industrial water-quality monitoring. It features a durable platinum electrode, built-in temperature compensation, and RS-485/Modbus communication for easy system integration. With IP68 protection and a measurement range of −1999 to 1999 mV, it is suitable for water treatment, wastewater, chemical processing, and biotech applications.

• Measurement Principle: Platinum electrode method
• Measurement Range: −1999 to 1999 mV
• Accuracy: ±20 mV
• Resolution: 1 mV
• Output Signal: RS-485 / Modbus
• Power Supply: 12–24 VDC, ≥1 A
• Ingress Protection: IP68
• Maximum Pressure: 3 bar (43.5 psi)
• Operating Temperature: 0°C to +50°C
• Housing Material: POM + Titanium Alloy
• Cable Length: 10 m standard, customizable

The SensorsX SX-CPGNA Series is a digital industrial pH sensor designed for continuous water quality monitoring. It provides a 0–14 pH measurement range with ±0.02 pH accuracy, built-in automatic temperature compensation, RS-485/Modbus communication, and IP68 protection. Its industrial in-line electrode and low-maintenance design make it suitable for water treatment, wastewater monitoring, industrial control, and biotech applications.

• Accuracy: ±0.02 pH
• Measurement Range: 0–14 pH
• Measurement Principle: Glass electrode method
• Output Signal: RS-485 / Modbus
• Power Supply: DC 12–24 V, ≥1 A
• Ingress Protection: IP68
• Maximum Pressure: 3 bar (43.5 psi)
• Operating Temperature: 0°C to +50°C (32°F to 122°F)
• Housing Material: POM + Titanium Alloy
• Calibration: 2-point or 3-point calibration

The SensorsX SX-CRCNA Series Residual Chlorine Sensor is designed for reliable free chlorine measurement in water treatment and disinfection processes. It provides a 0–20 mg/L measurement range with ±0.02 mg/L accuracy, and supports RS-485 / Modbus-RTU communication. With IP68 protection, built-in calibration parameters, and a durable 316L stainless steel housing, it is suitable for continuous industrial water quality monitoring.

• Accuracy: ±0.02 mg/L
• Measurement Range: 0–20 mg/L
• Measurement Principle: Constant Voltage Method
• Output Signal: RS-485 / Modbus-RTU
• Power Supply: DC 9–27 V, >1 A
• Ingress Protection: IP68
• Resolution: 0.01 mg/L
• Required Flow Rate: 20–40 L/h
• Housing Material: 316L Stainless Steel
• Operating Temperature: −10°C to +110°C

The SensorsX SX-CSNCA Series is a self-cleaning suspended solids and sludge concentration sensor designed for continuous water quality monitoring. It uses infrared scattering technology with a sapphire optical window and an integrated cleaning brush for stable, low-maintenance measurement. With a 0.5–4,000 mg/L range, ±5% accuracy, RS-485/Modbus communication, and IP68 protection, it is suitable for wastewater treatment and industrial process water applications.

• Accuracy: ±5%
• Measurement Range: 0.5–4,000 mg/L (0–15,000 mg/L optional)
• Measurement Principle: Infrared scattering method
• Output Signal: RS-485 / Modbus
• Power Supply: DC 9–24 V, >500 mA
• Ingress Protection: IP68
• Resolution: 0.1 mg/L
• Maximum Pressure: 3 bar
• Housing Material: Titanium Alloy
• Operating Temperature: 0–50 °C (32–122 °F)

The SensorsX SX-CSNDA Series is a self-cleaning sludge concentration sensor designed for continuous suspended solids monitoring in wastewater treatment and industrial process water applications. It uses ISO 7027-compliant dual infrared scattering technology, offers a measurement range of 0–50,000 mg/L with ±5% accuracy, and supports RS-485/Modbus communication. Its sapphire optical window, integrated self-cleaning brush, and IP68 protection help ensure stable operation and reduced maintenance during long-term online monitoring.

• Accuracy: ±5% (depends on the homogeneity of the activated sludge)
• Measurement Range: 0–50,000 mg/L
• Measurement Principle: Infrared scattering method
• Output Signal: RS-485 / Modbus
• Power Supply: DC 9–24 V, >500 mA
• Ingress Protection: IP68
• Resolution: 0.1 mg/L
• Maximum Pressure: 3 bar
• Housing Material: POM + 316L
• Operating Temperature: 0–50 °C (32–122 °F)

The SensorsX SX-CTNCA Series is a self-cleaning turbidity sensor designed for continuous water quality monitoring. It uses the 90° scattering method compliant with ISO 7027, supports measurement ranges up to 4,000 NTU, and features RS-485/Modbus communication, IP68 protection, and an integrated cleaning brush for stable, low-maintenance operation in industrial and environmental applications.

• Measurement Principle: 90° Scattering Method, ISO 7027
• Measurement Range: 0.1–1,000 NTU / 0.1–4,000 NTU
• Accuracy: ±5% or 0.3 NTU, whichever is greater
• Output Signal: RS-485 / Modbus
• Power Supply: 12–24 VDC, >500 mA
• Ingress Protection: IP68
• Maximum Pressure: 3 bar (43.5 psi)
• Process Connection: 3/4" NPT Thread, Immersion Mounting
• Housing Material: Titanium Alloy
• Operating Temperature: 0°C to +50°C (32°F to 122°F)

The SensorsX SX-CTNMA Series is a low-range turbidity analyzer designed for continuous monitoring of clean and low-turbidity water. It uses a 90° light-scattering method with a 0–10 NTU range, 0.001 NTU resolution, and accuracy of ±0.01 NTU or ±2%, while featuring automatic optical-window cleaning and RS-485/Modbus communication for reliable online water quality monitoring.

• Measurement Principle: 90° Light Scattering Method
• Measurement Range: 0–10 NTU; Other Ranges Customizable
• Accuracy: ±0.01 NTU or ±2% (Whichever Is Greater)
• Output Signal: RS-485 / Modbus
• Power Supply: DC 12–24 V, >1 A
• Process Connection: Inlet: 1/4 in (DN6) PE Tubing; Overflow: 3/8 in (DN8) PE Tubing
• Housing Material: Sample Chamber: PC + ABS; Sensor: 316L + POM
• Operating Temperature: 0°C to +50°C(32°F to 122 °F)

The SensorsX SX-CTNNA Series Online Turbidity Sensor uses a 90° scattering method compliant with ISO 7027 for reliable turbidity measurement from 0.1 to 4,000 NTU. It features RS-485/Modbus communication, IP68 protection, and a titanium-alloy housing, making it suitable for continuous water-quality monitoring in industrial and environmental applications.

• Measurement Principle: 90° Scattering Method
• Measurement Range: 0.1–1,000 NTU or 0.1–4,000 NTU
• Accuracy: ±5% or 0.3 NTU, whichever is greater
• Output Signal: RS-485 / Modbus
• Power Supply: DC 5–24 V, >50 mA
• Ingress Protection: IP68
• Maximum Pressure: 6 bar (87.0 psi)
• Process Connection: M22×1.5; optional NPT 3/4 adapter; immersion mounting
• Housing Material: Titanium Alloy
• Operating Temperature: 0–50 °C (32–122 °F)

The SensorsX SX-FENB Series is an electromagnetic flowmeter designed for measuring electrically conductive liquids, including water, wastewater, corrosive chemicals, and slurries. It offers ±0.5% FS accuracy, supports pipe sizes from DN10 to DN2000, and provides multiple output options such as 4–20 mA, HART, Modbus, and pulse output. It is suitable for a wide range of industrial applications, including chemical processing, water treatment, oil & gas, and pulp & paper.

• Accuracy: ±0.5% FS
• Nominal Diameter: DN10 – DN2000
• Flow Velocity Range: 0.3 – 12 m/s; Extended 0.1 – 15 m/s
• Output Signal: Pulse / 4–20 mA / HART / Modbus
• Power Supply: 220 VAC ±20%, 50 Hz / 24 VDC
• Ingress Protection: IP65 / IP68
• Working Pressure: 0.6 – 4.0 MPa
• Process Connection: Flanged / Wafer (Clamp) / Insertion
• Liner Materials: Neoprene / PTFE / PU / F46 / PFA
• Electrode Materials: 316L SS / Hastelloy B & C / Tantalum / Titanium
• Process Temperature: −25°C to +180°C
• Measured Fluid: Conductive liquids, conductivity ≥ 5 μS/cm

The SensorsX SX-FMCB Series is a Coriolis mass flowmeter designed for direct measurement of mass flow, density, and temperature in liquids, gases, slurries, and selected solid-liquid mixtures, with volume flow calculated from measured variables. It offers liquid mass flow accuracy up to ±0.15%, supports pipe sizes from DN1.5 to DN200, and provides multiple output options including 4–20 mA, HART, RS-485 / Modbus RTU, pulse, frequency, and discrete outputs. With no moving parts and no straight-pipe installation requirement, it is suitable for a wide range of industrial applications, including food & beverage, chemical processing, pharmaceuticals, oil & gas, LNG/CNG, pulp & paper, and metal smelting.

• Accuracy: ±0.15% Mass Flow (Liquid); ±0.50% Mass Flow (Gas)
• Nominal Diameter: DN1.5 – DN200
• Maximum Flow Rate: Up to 750 t/h
• Measured Variables: Mass Flow / Density / Temperature / Volume Flow
• Output Signal: 4–20 mA / Pulse / Frequency / Discrete / HART / RS-485 Modbus RTU
• Power Supply: 20–140 VDC / 80–264 VAC, 50–60 Hz
• Ingress Protection: IP67
• Working Pressure: Up to 35 MPa, depending on configuration
• Process Connection: Flanged / Threaded / Tri-clamp
• Wetted Materials: 316L SS / 304 SS / Titanium Ti1 / Hastelloy C
• Process Temperature: −200°C to +245°C, depending on transmitter and application configuration
• Measured Fluid: Liquids / Gases / Slurries / Selected Solid-Liquid Mixtures
• Transmitter Installation: Integral / Remote

The SensorsX SX-FULB Series is a clamp-on ultrasonic flowmeter designed for non-invasive liquid flow measurement. It installs directly on the outside of the pipe without cutting the pipe or contacting the fluid, providing accurate measurement with no pressure loss or contamination. It supports multiple pipe materials and offers RS485 Modbus RTU, 4–20 mA, and NPN/PNP output options.

• Accuracy: ±1% F.S.
• Repeatability: 0.15% F.S.
• Pipe Size Range: DN8–DN20 (¼"–¾")
• Flow Range: 1.0–100 L/min
• Output Signal: RS485 Modbus RTU / 4–20 mA / NPN/PNP
• Power Supply: 20–30 V DC
• Ingress Protection: IP54
• Display: Rotatable TFT-LCD
• Liquid Temperature: 0 to +85°C (32 to +185°F)
• Ambient Temperature: −10 to +60°C (14 to 140°F)
• Pipe Materials: Stainless Steel / Carbon Steel / Copper / PVDF / PVC / PPR / PPH / PFA / HDPE
• Installation: Clamp-on, Non-invasive, No Pipe Cutting
  

The SensorsX SX-FVMB Series is a compact vortex flow sensor designed for measuring non-corrosive water-based liquids. It simultaneously measures flow rate and temperature, with fast response, ±2% accuracy, and multiple output options including RS485, 4–20 mA, 0–5 V, and IO-Link. Its compact design and rotatable LCD make it suitable for industrial applications such as cooling systems, HVAC, semiconductor manufacturing, and factory automation.

• Accuracy: ±2% (Water)
• Flow Range: 1.5–240 L/min, depending on pipe size
• Pipe Size: DN8–DN32
• Output Signal: 4–20 mA / 0–5 V / RS485 Modbus RTU / IO-Link / NPN / PNP + Pulse
• Power Supply: 24 VDC (10.8–30 VDC)
• Ingress Protection: IP65
• Maximum Working Pressure: 1.0 MPa (145 psi), PN10
• Process Connection: Flange / G / NPT / RC / PT Thread / Union / Tri-Clamp
• Wetted Materials: ETFE Probe / PPS / 304 SS / 316 SS / 316L SS / PPH
• Medium Temperature: −10°C to +95°C
• Display: LCD, 90° Rotatable
  

The SensorsX SX-FVNB Series Vortex Flowmeter is designed for measuring the flow of steam, gases, and liquids using the Kármán vortex principle. It offers reliable accuracy, a wide DN15–DN300 size range, and multiple output options including pulse, 4–20 mA, and RS485. It is suitable for applications such as steam systems, compressed air, oil & gas, chemical processing, and water treatment.

• Accuracy: ±1.0% (Liquid) / ±1.5% (Gas)
• Flow Range: Liquid: 1.2–2,000 m³/h; Gas: 5–10,000 m³/h (depending on pipe size)
• Pipe Size: DN15–DN300 (NPS 1/2"–12")
• Output Signal: Pulse / 4–20 mA / RS485
• Power Supply: 24 VDC / 12 VDC / 3.6 V Lithium Battery
• Ingress Protection: IP65 (IEC 60529)
• Maximum Working Pressure: 4.0 MPa (580 psi)
• Process Connection: Flanged / Wafer (Clamp)
• Wetted Materials: 304 Stainless Steel (standard) / 316L Stainless Steel (optional)
• Medium Temperature: −40°C to +250°C (Standard); up to +350°C (High-Temperature)
• Display: LCD Display / Without Display
  

The SX-GCCSA Series is a compact catalytic combustion sensor designed for reliable detection of combustible gases such as methane, propane, and hydrogen. It offers a measurement range of 0–100% LEL, fast response, stable linear output, and strong resistance to poisoning, making it suitable for industrial gas monitoring, coal mines, and pipeline leak detection.

• Detection Principle: Catalytic Combustion
• Detection Range: 0–100% LEL
• Sensitivity: 20–40 mV / 1% CH₄
• Response Time: T90 ≤ 30 s
• Zero Drift: ≤ ±5% F.S. / month
• Resolution: 1% LEL
• Operating Temperature: −20°C to +60°C
• Service Life: 2 years
• Explosion Protection: Ex da I Ma

The SX-GCO2NSA Series is a compact NDIR carbon dioxide sensor designed for reliable CO₂ measurement in air. It offers selectable ranges from 0–5000 ppm up to 0–100% Vol, fast response, low power consumption, and built-in temperature compensation. With UART and 0.4–2 V analog outputs, it is suitable for HVAC, indoor air-quality monitoring, industrial processes, agriculture, and safety systems.

• Accuracy: ±(50 ppm + 5% of reading) / ±(0.05% Vol + 5% of reading)
• Measurement Range: 0–5000 ppm / 0–5% Vol / 0–10% Vol / 0–20% Vol / 0–50% Vol / 0–100% Vol
• Output Signal: UART / 0.4–2 V analog voltage
• Power Supply: 3.6–5.5 V DC
• Explosion Protection: Ex ia I Ma
• Ingress Protection: IP54
• Response Time: T90 < 30 s
• Operating Temperature: −20°C to +60°C
• Service Life: > 5 years