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You are here: Home1 > Products2 > High Temperature Pressure Sensors3 > CS-DHP Downhole Pressure Sensor

CS-DHP

Downhole Pressure Sensor

Features

  • ≤ ± 0.15% BFSL accuracy
  • Pressure from 5,000 to 30,000 PSI
  • High strength titanium BT9 sensing element
  • Operating temperature from -195 to +204°C

Great For…

  • Measurement While Drilling (MWD)
  • Logging While Drilling (LWD)
  • Oil & Gas Exploration
  • Wellhead Measurements
Datasheet

**Disclaimer: Unless otherwise agreed in writing, Core Sensors products are not authorized for use in applications including medical devices, life support systems, in-flight aerospace, nuclear or any other application where the product failure could result in personal injury or death.

About the CS-DHP

The DHP Downhole Pressure Sensor uses a fully active four arm Wheatstone bridge, dielectrically isolated Silicon on Sapphire sensing element based on proprietary technology. This sensor was 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 process connection, uncompensated millivolt output signal, 12.5mm diameter housing and solder hooks. Integral high temperature cable can be added upon request. A PT1000 temperature output is available for further measurement capabilities.

12.5mV/V output typical

Miniature Package – High Millivolt Output

The CS-DHP Downhole Pressure Sensor offers a typical full scale output of 125mV when using a 10VDC excitation. This provides a large amount of usable output, simplifying signal conditioning.

An optional PT1000 temperature output is available for applications where a reference temperature measurement is beneficial.

All of these features come in a small, compact package with a typical diameter of 12.5mm. The CS-DHP comes standard without a hex on the front end of the sensor (near the process connection threads) to ensure fitment in drilling tools with confined spaces. A hex comes standard on the back end of the sensor (near the electrical termination points) which can be used during installation.

Specifications

Performance

Accuracy @ 25°C*
≤ ± 0.15% BFSL

Stability (1 Year)
≤ ± 0.25% of FS

Overpressure
1.5X rated pressure

Burst Pressure
2X rated pressure

* Accuracy includes non-linearity, hysteresis and non-repeatability

Thermal

Operating Temperature
-195 to +204°C

TC Zero
0.025% FS per °C, typical

TC Span
0.05% FS per °C, typical

Environmental

EMI/RFI Protection
No

Vibration
10g, 10 to 1000Hz

Shock
100g, 11msec, 1/2 sine

Electrical (Millivolt)

Outputs
Millivolt uncompensated

Excitation*
10VDC, typical
12VDC, max

Full Scale Output @ 10 VDC
100mV, minimum
125mV, typical
200mV, max

Isolation Voltage
500VDC

Input & Output Impedance
3.5KΩ, typical

Response Time
0.1ms, typical
0.2ms, max

Zero Offset (of FS)
≤ ± 5%

* Sensor will operate off of any voltage up to 12VDC. Output is ratiometric to supply voltage used.

Specifications are subject to change without notice

Model Number Configuration

Not all configurations are available. Our sales team can recommend the closest available configuration based on your requirements.
Contact Core Sensors for configurations not shown.

– Ordering Example: CSDHP-AE20000PSAA000 (3/8-24 UNF Male w/ 74° cone, Titanium BT9, 0-20000 PSI sealed gauge, mV, Solder hooks)

Note: Mobile users can use the zoom feature to view the model number configuration matrix clearly.

Dimensions

Note that dimensions are for reference only. Please contact us if you do not see a dimension listed.

Note: Mobile users can use the zoom feature to view the dimensions clearly.

Connect With Our Sales Team

Have questions? Need a quote? We are ready to help! Fill out the form and a member of our sales team will contact you to discuss your requirements. You can also give us a call at (862) 245-2673.

    628 Route 10 West, Unit #8
    Whippany, NJ 07981 USA

    Phone: (862) 245-2673
    Fax: (973) 585-7383
    Email: [email protected]

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    Fill out the form and a member of our sales team will contact you to discuss your requirements. You can also give us a call at (862) 245-2673.

      • ⚠️ Due to global supply chain issues, lead times on this model may be extended and certain configurations may not be available. Contact Core Sensors for more information. ⚠️
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