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Model 900 Viscometer

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The Model 900 Viscometer is a true Couette coaxial cylinder rotational oilfield viscometer, which employs a transducer to measure the induced angle of rotation of the bob by a fluid sample. For a fully automated Control/Data Acquisition System suitable for research applications, the Model 900 Viscometer may be connected to a computer via a serial (RS-232) port using OFITE's exclusive and field-proven Windows™- based ORCADA® software.

U.S. Patent No. 6,776,028

Features

  • Model 900 Viscometer is a true Couette coaxial cylinder rotational viscometer
  • Run multiple units on one computer
  • Push button calibration history and graphs available for improved analysis (with ORCADA® software)
  • Single button operations on the keypad
  • Routine repairs are easily performed
  • Has the ability to operate accurately at extremely low shear rates (0.01 RPM)
  • Not necessary to stop the motor between speed changes

Specifications

  • Instrument Geometry:  True Couette Coaxial Cylinder
  • Motor Speeds (RPM): 12 Fixed Speeds (600, 300, 200, 100, 60, 30, 20,10, 6, 3, 2, and 1); Variable speed range .006 - 1000
  • Speed Accuracy (RPM):  .001
  • Shear Rate Range (sec-1):  .01 - 1,700
  • Heat Cup: Stainless Steel, 150 Watts, Maximum Recommended Temp: 190°F (88°C)
  • Power Requirements: 97 - 250 Volts AC, 200 Watts, 50/60 Hz
  • Dimensions (cm): 44 × 38 × 24
  • Weight (kg): 8.6
  • Shipping Weight (kg): 16
  • Shipping Dimensions (cm): 56 × 38 × 24
  • Computer Requirements: DB-9 Serial Port, Windows 2000 or newer. Recommended screen resolution 1024 × 768 pixels

Software

  • Write programs based on time, temperature and shear rates
  • Multiple calibration points: low and high shear rates
  • Computer automatically stores data
  • Multiple rheological programs available

Components

  • #130-76-03: Thermocouple
  • #130-76-04: Main Bearing
  • #130-76-08: Wrench for Bob Shaft
  • #130-76-10: Universal Heat Cup, 115 Volt
  • #130-76-10-1: Universal Heat Cup, 230 Volt
  • #130-76-24: Bob Shaft Assembly
  • #130-79-19: Serial (RS-232) to USB Converter
  • #132-56: Rotor Sleeve, R1
  • #132-57: Bearing Shield
  • #132-58: Bob, B1
  • #132-80: Calibration Fluid, 100 cP, 16 oz
  • #134-05-2: Bob Shaft Bearing, Shielded
  • #134-10: Torsion Spring Assembly, F1.0
  • #135-02: Retainer Ring, External

Optional

  • #130-76-C-SP: Spare Parts Kit
  • #130-76-LSK: Low Shear Conversion Kit
  • #132-56-S: Rotor Sleeve, R1, Slotted, 316 Stainless Steel
  • #132-58-5: Bob, B1, Slotted, 303 Stainless Steel
  • #134-10-2: Torsion Spring Assembly, F0.2
  • #147-14: pH Meter
  • #132-81: Calibration Fluid, 50 cP, 16 oz
  • #132-56-C: Rotor Sleeve, R1, Closed Cup, 316 Stainless Steel

Part Numbers

  • #130-76-C: 115 Volt
  • #130-76-1-C: 230 Volt
Specifications
Maximum Pressure Ambient
Maximum Temperature 200°F