Brookfield introduces the AST-100 – the only viscometer of its kind with accessible core. This rugged, no moving parts viscometer is designed to perform day after day under the extreme demands of the printing, coating and adhesive applications with no maintenance.

Utilizing a high frequency, micro-rotational core, which is unaffected by press vibration, this worry free AST-100INK can measure and control the viscosity of your inks, coatings and adhesives from start to finish, allowing the operators to handle other press concerns.


  • Unique micro rotational sensor
  • No moving parts, no maintenance
  • Unaffected by external vibration
  • Flexible vertical or horizontal installation
  • True temperature readings to 200°C
  • Maintains correct color throughout the process
  • 75+ years of process and laboratory experience
  • Compact: only 8.5 inches tall
  • 6 worldwide sales and support offices

Available in Standard, Explosion, and Food Grade.


Measurement Type: Torsionally oscillating probe
Measurement Range: 1 to 3,000 (optional 12,000) cSt using an NIST traceable, Newtonian fluid measured at 25°C
Process Connections: ¾” standard, (1½” tri-clamp or 3A design, optional)
Repeatability: ±1.0% of reading
Wetted Surfaces: 316L stainless steel
Sensor O-Ring: Isolast for probe
Viton for chamber housing
(EDPM or Kalrez®, optional)
Temperature (Fluid): -4°F to 392°F  (-20°C to 200°C)
Pressure Range: Vacuum to 200 pig max., 400 psig option


ast-food-grade  ast_probe_short-s  ast_flange-vs

* Available for rental