Specialty Products

Our selection of purpose-built products is designed to accommodate specific testing and quality control needs, such as the calibration of temperature measurement devices, viscosity measurements, fecal coliform testing, plasma thawing, histological and beverage-aging studies.

Polycarbonate Viscosity Baths with
Standard Digital Temperature Controller

Key Specifications

Working Temperature: Ambient +10° to +85°C 
Temperature Stability: ±0.04°C 
Safety Rating: DIN 12876-1 Class I (for use with non-flammable liquids) 
Pump: 2-speed 
External Circulation: Closed-loop

  • Configured for use with popular capillary viscometers
  • DuraTop™ insulating, chemical-resistant top deck
  • Includes tap water cooling coil
  • Drain port

Key Features

  • Large, universal icon and English display
  • Swivel 180™ Rotating Controller
  • On-board connectivity: RS-232 serial output
  • On-screen prompts
  • Automatic performance optimization
  • Single-point calibration capability

Product Specifications & Part Numbers

29 Liter Viscosity Bath, Square Openings 29 Liter Viscosity Bath, Round Openings
Controller Type Standard Digital Standard Digital
Programmable for Test Protocols
Heater Wattage 1100 W (60Hz)/2200 W (50Hz) 1100 W (60Hz)/2200 W (50Hz)
Pump Speed Two Two
Temperature Stability ±0.04° C ±0.04° C
Viscometer Openings
3 Square Openings
5 Round Openings
Working Access (LxWxD) (3) x 8.9 x 8.9 x 28.6 cm (5) x 5.1 Ø x 28.6 cm
Overall Dimensions (LxWxD) 54.4 x 22.9 x 52.6 cm 54.4 x 22.9 x 52.6 cm
60Hz Part Number SD29VB3S-A11B SD29VB5R-A11B
50Hz Part Number SD29VB3S-A12E SD29VB5R-A12E


Set and read to 0.1°C, ±0.04°C temperature stability, and a 2-speed pump make the Standard Digital Controller an economical and reliable choice for a variety of laboratory applications, including those requiring closed-loop external circulation.  


RS-232 serial communication capability allows control and data logging via a PC or other remote device. 

Intuitive Operation

Plain-text prompts and intuitive controls guide you quickly through setup. Intelligent touch and scroll display makes it easy to make both large and small set-point changes.


User-settable high-temperature safety provides over-temperature and low-liquid level protection. Adjustable high and low limits guard against unintended set-point changes.