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The LPR corrosion sensors are a valuable tool that provide general as well as localised corrosion measurements instantaneously.




(Wired LPR Online Corrosion Sensors)

These sensors are use the linear polarization resistance (LPR) method to produce a raw signal. The raw signal is conditioned, amplified, and digitised directly in the sensor. This avoids the interferences and attenuation of the raw signal caused by long-distance wiring, as is the case in other corrosion probes, to a separate signal conditioner or transmitter box. They measure sample water conductivity directly and compensate for the conductivity impact on the LPR measurement. In addition to the LPR measurement to obtain the general corrosion rate, the CR-300 sensor also measures electrochemical noise. The measured noise data is used to calculate an index to quantify the localised corrosion rate, also called pitting. The Pyxis Lab® CR-300 corrosion rate sensor is ideal for cooling and process water treatment monitoring where robustness and affordability are a must.
Manufactured by: Pyxis Lab® Inc., USA

  • Cooling and process water monitoring
  • Domestic water monitoring
  •   Key Features 
  • Anti-electromagnetic interference (anti-EMI) design with stainless steel sensor body
  • MODBUS support with isolated RS-485 communication
  • 4-20mA output
  • Bluetooth connectivity to uPyxis app
  • Low corrosion rate, down to 0.001 MPY
  •   Specifications 
  • Part Number: 51007
  • Power Supply: 24VDC, 2W
  • Output: Modbus RTU and 4-20 mA dual output
  • Data Storage: N/A
  • Dimensions: 11.1 inch (281.5 mm) long, diameter: 0.9 inch (23.0 mm) lower, 1.7 inch (43.0 mm) upper
  • Weight: 687 g
  • Cable Length: 5 ft (1.5 m), extension cable available
  • General Corrosion Range: 0.001 - 1 0 MPY
  • Conductivity Compensation: 10 - 10,00 0 µS/cm
  • Sample Temperature: -20 - 50°C
  • Reading Interval: 5 to 1440 minutes
  • Resolution: 0.001 MPY
  • Alloy Factor: 0 - 3 (1 as default)
  • Installation: Flow cell with 1-inch NPT
  • Enclosure Material: 304 stainless steel
  • Working Pressure: Up to 100 psi (7 bar)
  • Temperature: Working: -10 - 50 °C, storage: -20 - 70 °C
  • Protection: IP65
  • Regulation: CE
  • Battery life up to 1 year, due to the ultra-low power design and smart power management
  • Three O-ring grooves positioned on the sensor body allow insertion depth control
  • Accurate corrosion monitoring of generalised corrosion and localised corrosion rate

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