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You are here: Home1 > Blog2 > Articles3 > Downhole4 > New CS90 Downhole Pressure Sensor from Core Sensors
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CS90 Downhole Pressure Sensor

A New Standard in Downhole Pressure Measurement

by Core Sensors / January 9, 2024 / in News, Product Releases

The US Oil Rig Count, hovering around 500 as of December 2023, has seen a nearly 185% increase since the height of the pandemic. In order to keep up with this growing demand, companies within the upstream supply chain need to ensure they have the appropriate tools and equipment to effectively and efficiently identify and extract natural resources from the ground.

When identifying and extracting these resources, pressure and temperature must be monitored to ensure the health and continued performance of the equipment as well as the integrity of the well. Unfortunately, the oil and gas industry has been plagued with long lead times and few suppliers when sourcing pressure and temperature measurement instrumentation. This, coupled with the growing demand for new tools, has resulted in a lot of frustration. We have heard the frustrations and are excited to announce a new standard in downhole pressure and temperature measurement, the CS90 Downhole Pressure Sensor.

CS90 Dowhole Sensor Features

About the CS90

The CS90 Downhole Pressure Sensor uses a fully active four arm Wheatstone bridge, dielectrically isolated bulk silicon sensing element based on proprietary technology. This sensor is designed to withstand the high pressure, high temperature environments that are common in downhole oil & gas exploration. The compact design allows for installation in downhole tools without sacrificing space. Standard offering includes a 3/8”-24 UNF-2A w/ 74° cone process connection, compensated millivolt output signal, 12.7mm diameter housing, and solder hooks. An additional PT1000 RTD temperature output is standard for further measurement capabilities.

The CS90 Downhole Pressure Sensor has been independently tested to meet shock, vibration, and overpressure standards.

Features Include

  • High strength Inconel 718 (UNS N07718) sensing element
  • -40°C to +204°C operating temperature
  • Thermally compensated from +25°C to +150°C
  • 3/8”-24 UNF-2A w/ 74° cone process connection
  • Inconel 600 replaceable metal seal provided
  • Independent shock and vibration tested

    Meets IEC 60068-2-6 and 60068-2-27

  • Class A, PT1000 temperature output standard
  • Various output sensitivities available

    10mV/V standard. 2.6mV/V available for legacy installations.

Calibration Data Available

For applications requiring calibration data, Core Sensors offers various options:

  • Room temperature data w/ various pressure points
    • 5-Point
    • 10-Point
    • 9-Point (5 up, 4 down)
  • Polynomial data
    • Standard = Data taken from +25°C to +150°C, 6 total temperature points, 5 pressure readings at each temperature point
    • Other options upon request
    • Data is electronically available for download on a per serial number basis from our calibration data request center.
CS90 Dowhole Sensor - Electrical Connection View

CS90 Downhole Pressure Sensor

  • ≤ ± 0.2% BFSL accuracy (without polynomial correction)
  • Configurable pressure ranges from 5,000 to 30,000 PSI sealed gauge
  • High strength Inconel 718 (UNS N07718) sensing element
  • PT1000 RTD temperature output
Learn More

For more information or to request a quote, please call us at 862-245-2673 or email [email protected].


About Core Sensors:
Core Sensors designs, manufactures and distributes high quality sensors for measuring pressure and temperature properties for industrial and hazardous applications worldwide. Core offers solutions for industrial, submersible, differential and hazardous applications in both standard and custom packaging. In-house design and manufacturing capabilities along with strategic manufacturing partners allows Core to create solutions to some of the most complex sensor requirements.

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