OHAUS HB4DG 4 BLOCK DRY BLOCK HEATERS DRY BLOCK HEATERS OHAUS Selangor, Kuala Lumpur (KL), Shah Alam, Malaysia Lab Instruments, Chemistry Laboratory Equipment, Lab Equipment  | ENVIROLAB SDN. BHD.


Versatile Dry Block Heaters are ideal for applications that require temperature stability. All units hold 4 optional interchangeable modular blocks with over 40 choices. Blocks are easy to use, no tools required. Close tube-to-block contact enables maximum heat retention, resulting in efficient heating. Digital models offer exceptional temperature uniformity and stability for repeatable results, while non-digital models are an economical choice.

Incubation & Activation of Cultures, Enzyme Reactions, Immunoassays, Melting/Boiling Points, Isothermal Incubations, Nucleic Acid Denaturation

LED display (digital models) and dual-adjustment knobs with dial markings (analog models)

Detachable 3-wire cord and plug (included), analog models require an external thermometer or temperature device for temperature setpoint


Painted steel housing, support rod holder with locking knob

Design Features
Touchpad control and audible alarm (digital models)


Control Digital
Temp. Range Ambient + 5°C – 120°C
Stability ± 0.2°C
Uniformity Within the Block ± 0.2°C at 37°C
Timer 1 second - 9999 minutes
Heat Up Time 23 min
Calibration Temperature calibration
Dimensions 16.9 in x 3.5 in x 8 in (42.9 cm x 8.9 cm x 20.3 cm) (LxHxW)
Net Weight 8.4 lb (3.8 kg)
Overshoot Protection 10°C above set point
Power 230V, 1.35A, 50/60Hz
Power Consumption 310 W
Safety Certification CE;  TUV
Uniformity Across Similar Blocks ± 0.2°C at 37°C
Working Environment 64°F – 91°F, 20% – 80%RH, non-condensing (18°C – 33°C, 20% – 80%RH, non-condensing)

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