Jeio Tech VB Viscometer Heating Baths

Category Specialty Baths
Manufacturer Jeio Tech
Country of manufacture South Korea

Ultra precise temperature control with excellent visibility.
Models: VB-25G/40G


  • Temperature range from ambient +5°C to 150°C.
  • Microprocessor PID control / Automatic tuning / Calibration.
  • Optimal temperature equilibrium achieved by a vane type stirrer with strong circulation power.


  • Easy readout digital LED displays.
  • (0.01°C resolution at 0 to 99.9°C/ 0.1°C resolution at 100 to 150°C)
  • Dual wait on/off timer modes. (1 min. to 99 hr. 59 min.)
  • Convenient memory function of up to three frequently set temperature.
  • Clear visibility provided by double tempered safety glass windows in front and rear sides. (for operation from 10°C, use an optional cooling circulator)
  • Ø 51mm holes (for glass capillary viscometer tubes) and a Ø12.6 mm hole. (for a thermometer)
  • RS-232 interface for external control and data collection.


  • Isolated design of agitator, heater, and sensor by a baffle plate to minimize the turbulence in the bath fluid and also to protect users and samples against direct contact.
  • Complete safety protection system with warning alarms.
    • - Low fluid level and dry-running, over-temperature, over-current.


    Key Attributes 
    Type Specialty  Baths
    Incubation Yes
    Refrigeration No
    Temp Range (°C) Ambient +5 to 150
    Capacity (L) 4.8
    Circulation Internal
    Brand Jeio Tech
    MaxFlow Rate (l/min) N/A
    Temp Stability (°C) N/A
    Timer No
    Alarms Yes
    Digital or Mechanical Digital
    Data connection No
    Tank Material Stainless
    Sample Agitation N/A
    Media Racks Available N/A
    Warranty (years) 1 (2 years after submission of warranty registration card)
    Weight (lb) 101.4


    Manufacturer Specifications
    Model VB-25G VB-40G

    Bath volume (L / cu ft)

    25 / 0.9

    40 / 1.4

    Working temperature range 2)  (℃ / ℉)

    Amb. +5 to 150 / Amb. +9 to 302

    Temperature stability 1)  (±℃ / ℉)

    0.05 / 0.09

    0.1 / 0.18


    Bath opening / depth (W×L, D) (mm / inch)

    145×265, 330 / 5.7×10.4, 13

    295×265, 330 / 11.6×10.4, 13

    Cover lids / Hole for thermometer (mm)

    5ea / Ø51, 1ea / Ø12.6

    8ea / Ø51, 1ea / Ø12.6

    Exterior (W×L×H) (mm / inch)

    492×374×536 / 19.4×14.7×21.1

    642×374×536 / 25.3×14.7×21.1

    Net weight (kg / lbs)

    28 / 61.7

    37 / 81.6

    Electrical requirements (230V)

    60Hz, 13A 60Hz, 13A

    Cat. No.

    AAH43301K AAH43401K

    1) Technical data according to DIN 12876. (bath fluid : water at 70℃)
    2) If you want to operate the unit below Amb. + 5℃, an optional cooling circulator is required.
    The lowest temperature when using an optional cooling circulator is +10℃.


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    Jeio Tech VB Viscometer Heating Baths Accessories