Malcom’s new flagship viscometer replaces the PCU-205 as the industry standard for testing solder paste viscosity. Updates featured in this viscometer include an onboard PC with a full LCD touchscreen display. The heating unit also has been improved for faster and more stable temperature control.

International Standard for Solder Paste Viscosity Measurement

  • Measure TI (Thixotropic Index) & R (Viscosity Non-Recovery Rate) according to JIS Z3284.
  • Newly-designed Compact Thermostat realizes better workability.
  • Touch Panel Display improves usability and visibility.
  • Automatic measurement and save data.
  • Optional Printer is also available.


  • Malcom Unique Spiral Viscosity Sensor can continously measure the viscosity and TI of sample
  • having high thixotropy with excellent repeatability.
  • Windows system and Touch-panel display Measurement Program Creation and Automatic Measurement.
  • Graph Display of the measurement result is also possible.
  • Newly-designed Compact Thermostat realizes better workability, Sensor cleaning at ease,
  • Setup a sample container and etc.
  • A mouse and Keyboard can connect to the PCU-285.
  • The measurement data automatically save in the PCU-285 itself.
  • The network system (LAN) unify the management of data from multiple devices.
  • USB memory stick can be connected to the PCU-285 to copy data.


Viscosity SensorMalcom Spiral-pump type
Measurement Range5Pa.s ~ 800Pa.s
Speed Range (N)1~50rpm
Shear Rate (D)(0.6 x N) s-1
Measurement Accuracy±5% of indicated v alue
Speed Accuracy±2%
Speed Repeatability±0.5%
Temp. Measurement Range0~50°C
Temp. Measurement Accuracy±0.5°C
Temp. Control Range15~35°C
(±5°C of Room Temp.)
Buit-in Thermostat
Display7 inch Touch Panel
Operation ModelPC connection mode
PCU-200 mode
Custom-made program mode
Built-in Printer (option)Temp • Viscosity • Shear rate •
rpm, Date & Time
(* It must be ordered with PCU-285)
Automatic MeasurementJIS Standard method
Custom-made program mode (max. 5)
* PC support"
InterfaceUSB type A x 2: USB f lash drive, Key board & Mouse use only
USB type B x 1: f or PC use only
LAN port x 1
Power SupplyAC100~240V 50Hz / 60Hz
Power ConsumptionMax. 130W
Usage EnvironmentTemp: 10~40°C
Relativ e Humidity : 10~90%
(no condensation)
Outer Dimensions275 (W) x 215 (D) x 440 (H) mm
WeightApprox. 13.0kg

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