Model 4020-SG Automated UCA/SGSM - OFI Testing Equipment, Inc.

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Model 4020-SG Automated UCA/SGSM

Model 4020-SG Automated UCA/SGSM

By measuring the change in velocity of an acoustic signal, the Ultrasonic Cement Analyzer provides a continuous, non-destructive method of determining compressive strength of a well cement as a function of time while at temperature and pressure.

The Static Gel Strength Measurement (SGSM) device uses a vaned bob to condition a cement slurry inside a pressurized test cell and intermittently measure static gel strength at down-hole conditions. By directly measuring the forces required to initiate movement in the sample, the SGSM provides an accurate way of determining the static gel strength.

U.S. Patent No. 9,612,232


  • Data acquisition system with automatic temperature and pressure control included
  • Data is available instantly on-screen and is automatically downloaded to a Microsoft Excel spreadsheet for easy analysis
  • UCA and SGSM combined in a single unit


  • Cement samples are not destroyed at time intervals
  • Unique technology results in a cleaner signal, so transit times and data are more accurate


  • Automatically conditions the slurry in-place (1 - 150 RPM)
  • Provides a direct, mechanical measurement of static gel strength
  • Intermittent or continuous measurement under high-temperature, high-pressure conditions
  • Simple calibration and system check
  • Quick clean up and turn around

Data Acquisition

  • Data is available in real time on-screen and is also stored in an Excel® spreadsheet for easy graphical viewing and printing
  • Enables you to program multiple temperature ramps
  • Operates multiple units with one computer
  • Windows®-based software


  • Maximum Temperature: 400°F (204.4°C)
  • Maximum Pressure: 20,000 PSI (137.9 MPa)
  • Size: 15" × 24" × 18" (38 × 61 × 46 cm)
  • Weight: 85 lb (39 kg)


  • Air Supply: 100 PSI (690 kPa) Recommended, 150 PSI (1,035 kPa) Maximum, ¼" NPT Connector
  • Water Supply: 40 - 100 PSI, 40° - 100°F, ¼" NPT Connector
  • Coolant Supply: ¼" NPT Connector
  • Power Supply: 230 - 240 Volt, 50 - 60 Hz, 10 Amps
  • Fuse: T 10A L 250V


  • Windows XP or higher
  • RS-232 Serial Port (or Serial to USB Adapter)
  • Minimum Screen Resolution: 1280 × 680

Part Number

  • #120-59

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Instruction Manual:


Brand: OFI Testing Equipment, Inc.
Product Code: 120-59

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