TT-220 Probe Viscometer

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TT-220 Probe Viscometer

The TT-220 Process Viscometer is intended for open tank applications (5-20 gallon, 20-75 liters) requiring constant viscosity monitoring and or control. The TT-220 is often used in coatings or printing applications. The TT220 is a rotational coaxial cylinder (Searle) viscometer providing true dynamic viscosity measurements at defined shear rates, from as low as 0.1 sec-1 to as high as 600 sec-1.

Product Description

TT-220 Probe Viscometer


  • LED displays indicate process viscosity vs. set point
  • Optional RS485 computer interface
  • Displays viscosity in cP, mPa·s, or orifice cup seconds
  • Senses/responds continuously
  • Control capability includes PID, auto-tune PID, or on/off
  • User selectable high/low alarms
  • Easy to start-up, operate, and clean
  • Wetted parts are 300 series stainless steel
  • Can measure at API-defined shear rate of 511 sec-1, or “LSRV” drilling mud shear rate of 0.15 sec-1



Viscosity Range: 5 to 100,000 cP
Accuracy: ±1% of full scale range
Temperature Range: -40°C to 100°C
Output: mechanical relay or 4-20 mA
Input Voltage: 115 Vac, 230 Vac or 24 Vdc


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