Full function, reliable, versatile egg incubator with twice the capacity of the Octagon 20 Holds up to 48 chicken or similar eggs but adjustable for other sizes without extras Electronic temperature control with independent in-built digital thermometer -easy to use for beginners and experts alike Two computer grade fans and Omnitherm heating ensure precise, stable temperature Fully automatic egg turning with no internal moving parts. Two lift out trays hold all sizes of eggs Accessories available for the most demanding applications: fully automatic humidity control, high/low temperature and power failure alarm, wet bulb thermometer, Spot Check high accuracy digital thermometer, etc

Octagon 40 Upgrade Kit
If you are already an Octagon user you can buy an upgrade kit to bring your machines up to the DX standard:
better airflow and a more robust turning system.

Full function, reliable, versatile incubator with twice the capacity of the
Octagon 20 - Capable of hatching 120 quail, 48 hen or 24 goose eggs and equally good with parrots and birds of prey. Supplied for fully automatic egg turning with Brinsea’s unique Autoturn Cradle.

The Omnitherm™ heating system and excellent thermal properties of the cabinet ensure the best possible conditions for egg incubation.

Like all Brinsea incubators the Octagon 40 is fully adjustable for all sizes of egg from budgerigars to geese.

Temperature Control

Precise and consistent control of temperature is essential for good hatching results. Brinsea's proven Omnitherm™ all round heating technology is a system of sealed, printed heater bars covering much of the clear top without significantly interfering with visibility. Omnitherm heaters are exceptionally responsive to control because of the low thermal inertia and low temperature rise. The clear top is double skinned, further improving temperature stability and operational efficiency. Adjustment to temperature can be made with a small screwdriver from outside the incubator. An indicator light shows the status of the control - whether the unit is warming up, stable or cooling. The electronic proportional thermostat is well protected against power surges or 'spikes' in the mains supply - a common cause of failure in other incubators.

Egg Turning

Egg turning is effected by rotating the whole cabinet through 90 degrees. This can be done manually by turning the incubator on its own three position base, or fully automatically, twice per hour, when mounted in the Autoturn cradle. The incubator lifts easily in and out of the cradle - so it can stand horizontally for hatching. Goose or other large eggs are set lying down, small eggs can be set either horizontally or vertically. The egg dividers are adjustable in 5mm (3/16”) steps. There are no internal moving parts associated with the egg turning - so nothing to trap or injure emerging chicks if you forget to stop the turning.

Humidity and Ventilation

Two computer grade fans provide even air flow throughout the incubator and the level of fresh air drawn into the enclosure is controlled by a slider. Humidity is provided manually by water compartments moulded into the incubator base. The humidity level is controlled by the presence of water in different numbers of compartments and by the ventilation slider setting. Humidity can be checked directly with the purpose built wet bulb thermometer (optional). Alternatively, Brinsea's fully automatic electronic H22 Digital Humidity Management Module (optional) can be hooked up to provide continuous, automatic controlled water supply and digital monitoring of humidity.
For complete peace of mind the optional T20 Temperature Alarm Module can be fitted to warn of power failure or high or low temperature.

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