Heated Humidified Incubator/Oven - HH055

The HH series incubators/ovens utilize heat to maintain temperature from as low as 5ºC above ambient conditions to 70ºC. If your set point is within this range, you should look at the models below for maximum efficiency and cost. The HH series chambers control well within the specifications required by the FDA and ICH for GMP studies. HH Series chambers can be used as pharmaceutical stress test chambers at 50C/75%RH. Examining degradation products under stress conditions is useful in establishing degradation pathways and developing and validating suitable analytical procedures. Running the models below will save you up to 80% in electricity costs vs. a compressor unit from competitors. Additionally, parts are easily replaced since there is no compressor – should you need repairs past the warranty period. * HT (heat only) series is also available, please inquire for more information.

SKU# HH055

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HH Series Overview

The HH series chambers are designed for performance while utilizing heat and humidity. Darwin Chambers ultrasonic humidification provides excellent humidity control and avoids hot spots during mapping. All HH series chambers incorporate simple serviceability and excellent reliability.


The HH055 is a 2-door heated-humidified incubator.

Additional information

Cabinet Construction

Stainless model has stainless steel front doors and sides on exterior. Interior is stainless steel side walls, back, floor, ceiling, and door liner. This unit includes LED interior lighting.
Standard model features stainless door, front, and brushed aluminum sides. Interior has aluminum side walls (looks very much like stainless steel), door liner, and back with stainless steel floor and ceiling.
2" I.D access port with access port cover and insulation plug located on side wall of the chamber.


Positive seal, self-closing doors (gravity cam-lift) with 120 degree stay open feature. Door gasket removal and installation is tool-less. Glass door models feature double pane, "Low-E" glass.


Entire cabinet structure and doors insulated using foamed-in-place CFC free polyurethane foam.


Wire shelves (3 per door) available in stainless steel or PVC coated. Shelves capable of supporting up to 150 lbs of evenly distributed weight. Gray PVC coated shelves are standard.
Full height shelf support pilasters, with double oblong holes on 1/2" centers. Pilasters made of the same material as cabinet interior. Four (4) chrome plated, stainless steel shelf clips to be included for each shelf.

Benefits to the HH055

HH series incubators/ovens do not employ cooling to maintain temperature. Without cooling components, the HH series is the most efficient and reliable series we sell.
This unit uses roughly 1/4 the electricity of our compressor driven models and roughly 1/8 the electricity of some of our competitor's models.

Electrical Characteristics

Unit completely pre-wired at factory, and ready for final connection to a 115/60/1 phase – 15 amp dedicated (recommended) outlet. Unit runs approx. 6 RLA under test conditions.
A cord and plug set is included.
A sole use circuit is recommended.