Temperature Sensors & Probes 

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Oil Quality Sensor

TE LogoOil Quality Sensor Module

The FPS2800B12C4 is a novel oil quality sensor that will directly and simultaneously measure the viscosity, density, dielectric constant and temperature of fluids. Relying on patented tuning fork technology, the sensor monitors the direct and dynamic relationship between multiple physical properties to determine the quality, condition and contaminant loading of fluids such as engine oil, fuel, transmission and brake fluid, hydraulic and gear oils, refrigerants and solvents. The multi-parametric analysis capability improves fluid characterization algorithms. The FPS provides in-line monitoring of fluids for a wide range of OEM and aftermarket installations including fluid reservoirs, process lines and pressurized high flow conduits (e.g., engine oil gallery) for applications that include on and off highway vehicles, HVAC&R, compressors, industrial equipment and turbines. A universal digital CAN J1939 compliant protocol provides easy to connect interface to main Host controller. A simple 4 pin connector allows for cost effective mounting options.Fluid SensorFully integrated, stand-alone module combines

  • sensor and processing electronics
  • Accurate, repeatable temperature, viscosity,
  • density and dielectric constant
  • Factory calibrated with NIST traceable fluids
  • Digital output as per J1939, CAN2.0B standard or CAN2.0A
  • featuring high-resolution parameter readings

 

Features Applications
Rugged construction for high pressure and high 
flow environments 
On and Off Highway Vehicles 
Proprietary corrosion and contaminant resistant 
coating for wedded parts 
HVAC&R 
On-board microprocessor for real-time data 
analysis with 12 volts supply 
Compressors 
Highly reliable and long term stability  Industrial EquipmentsTurbines

 

Ratings Symbol  Value  Unit 
Supply Voltage (Peak)  Vcc 24 °C 
Ambient Operating Temperature (electronics)  Te -40 to +125 °C
Ambient Operating Temp ( Fluid ) Tf -40 to +150 °C
Storage Temperature Tstg -50 to +150 °C
Input Current@12Vdc ( Peak ) Iavg <200  mA
Operating Pressure P 25 (Note 1) Bars
Vibration (Peak)   20

HTM2500B3C4OIL – Water Content in Oil & Temperature Sensor

 Water Content in Oil & Temperature Sensor

  • Water Content in Oil – Typical 0 to 1000ppm 
  • • Voltage Output – Typical 1 to 4 Volt DC
  • • Temperature: NTC Resistance Output – Nominal 25°C 10k Ω Accuracy +/- 1°C

Based on the combined miniature humidity / temperature sensor, HTM2500B3C4OIL is a very cost effective dedicated water content in oil and temperature transducer designed for industrial, transformers, truck and  automotive applications where a reliable and accurate measurement of water in oil content is needed. Direct interface with a micro-controller is made possible with the module’s water content voltage output. Customised versions are available upon request.

Features:

• Full interchangeability 
• High reliability and demonstrated long term
stability in oil
• Ratiometric to voltage supply 
• Sensitive elements with unique mechanical and
chemical robustness

HUMIDITY SENSOR SPECIFIC FEATURES
• Instantaneous de-saturation after long periods
in saturation phase
• Fast response time
• High resistance to truck and automotive
chemicals
• Patented solid polymer structure
• Accurate and repeatable Oil Humidity
Sensitivity.

TEMPERATURE SENSOR SPECIFIC FEATURES
• Stable
• High sensitivity

Applications: 

• Industrial
• Transformers
• Automotive
• Truck 

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