Ohaus HB4DG Digital Dry Block Heater, 4 Block

Features The Ohaus HB4DG Digital Dry Block Heater offers accurate and fast sample heating with PID microprocessor temperature control, making it perfect for various applications that demand consistent heating. This heater accommodates four interchangeable modular blocks, providing over 40 configuration choices to suit different needs. The modular blocks are designed for effortless setup without requiring tools, ensuring optimal tube-to-block contact for superior heat retention and efficient operation. The HB4DG features a robust painted steel housing and is equipped with a clear LED display, easy-to-use touchpad controls with independent displays for temperature and time, and an audible alarm, enhancing usability and precision. This Dry Block Heater also includes a unique single point calibration feature to match the block heater's display to a known external temperature standard for 3 temperature setpoints, making it a superior choice for modern lab environments. Please Note: Blocks are sold separately and are REQUIRED for operation. Please view the Accessories tab.

Ohaus HB4DG Digital Dry Block Heater, 4 Block Specifications

Temperature Range	Ambient +5°C to 120°C
Uniformity Within the Block	± 0.1°C at 37°C
Uniformity Across Similar Blocks	± 0.2°C at 37°C
Temperature Stability	± 2°C
Control	Digital
Timer	1 second to 9,999 minutes
Heat Up Time to 100°C	30 minutes
Overshoot Protection	10°C above set point
Safety Certification	TUV
Working Environment	18°C – 33°C, 20% – 80% RH, non-condensing
Dimensions (L x W x H)	16.9 in x 3.5 in x 8 in. (42.9 cm x 8.9 cm x 20.3 cm)
Weight	8.4 lb. (3.8 kg)
Electrical Requirements	120V, 50/60Hz, 2.6A, 310W

Comparison of Models

Spec / Product	Ohaus HB1AL	Ohaus HB1DG	Ohaus HB2AL	Ohaus HB2DG	Ohaus HB2DGHL	Ohaus HB4AL	Ohaus HB4DG	Ohaus HB6AL	Ohaus HB6DG
Temperature Range	Low: Ambient +5°C to 100°C High: 75°C to 150°C	Ambient + 5°C to 120°C	Low: Ambient +5°C to 100°C High: 75°C to 150°C	Ambient + 5°C to 120°C	Ambient +5°C to 100°C	Low: Ambient +5°C to 100°C High: 75°C to 150°C	Ambient +5°C to 120°C	Low: Ambient +5°C to 100°C High: 75°C to 150°C	Ambient +5°C to 120°C
Control	Analog	Digital	Analog	Digital	Digital	Analog	Digital	Analog	Digital
Uniformity Within Block	± 0.1°C at 37°C	± 0.1°C at 37°C	± 0.1°C at 37°C	± 0.1°C at 37°C	± 0.1°C at 37°C	± 0.1°C at 37°C	± 0.1°C at 37°C	± 0.1°C at 37°C	± 0.1°C at 37°C
Heat Up Time to 100°C	16 min	16 min	16 min	16 min	16 min	23 minutes	30 minutes	30 minutes	30 minutes
Number of Blocks	1 Block	1 Block	2 Blocks	2 Blocks	2 Blocks	4 Blocks	4 Blocks	6 Blocks	6 Blocks
Electrical Requirements	120V, 0.92A, 50/60Hz, 110W	120V, 0.92A, 50/60Hz, 110W	120V, 1.75A, 50/60Hz, 210W	120V, 1.75A, 50/60Hz, 210W	120V, 3A, 50/60Hz, 400W	120V, 50/60Hz, 2.6A, 310W	120V, 50/60Hz, 2.6A, 310W	120V, 50/60Hz, 3.42A, 410W	120V, 50/60Hz, 3.42A, 410W