Description
The KPerm™ Piezo-resistive permanent gauge delivers continuous pressure, temperature and vibration data to surface, delivered through the Surface Read Out system. It is based on field-proven permanent downhole gauge technology. The gauge is internally and externally EB welded and designed for maximum shock and vibration resistance to enhance reliability and performance.
Ratings & Dimensions
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Max temperature |
257°F (125°C) / 302°F (150°C) |
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Pressure Range |
3Kpsi, 5Kpsi 10Kpsi, 15Kpsi |
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Outer diameter |
0.75 in (19.05 mm) |
0.9 in (22.86 mm) |
1.19 in (30.23 mm) |
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Length |
8.8 in (223.5 mm) |
13.17 in (334.5 mm) |
15.73 in (399.5 mm) |
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Weight |
2.0 lbs. |
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Materials |
Nitronic 50 or Inconel 825 |
Hardware Characteristics
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Transducer type |
Piezo resistive |
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Acquisition mode |
SRO (Surface Read Out) Panel |
Pressure Measurements
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Pressure Range |
1.5 Kpsi, 3Kpsi, 5Kpsi 10Kpsi, 15Kpsi |
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Sampling Rate |
1 sps |
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Resolution |
0.0003% F.S. |
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Accuracy |
0.024% FS / 0.05% F.S. |
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Drift |
< 3 psi / year |
Temperature Measurements
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Max temperature |
257°F (125°C) / 302°F (150°C) |
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Resolution |
0.005% F.S. |
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Accuracy |
± 1°C |
Electrical Specification
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Data Output |
Continuous data stream – MODBUS 485 |
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Interface |
KPerm SRO |
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Operating Voltage |
24Vdc |
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Operating Current |
12 – 34 mA |
Version Control: 2021.12.14
On-line specifications are for REFERENCE ONLY and subject to change without notice. DO NOT USE FOR FIELD OPERATIONS.
