Safety Features of the Instant
Pot Electric Pressure Cookers
In the past, most pressure cooker disasters could usually be attributed to user error. The Instant Pot electric pressure cooker was carefully designed to eliminate and avoid most of the potential problems. Instant Pot is made by the No.1 electric pressure cooker manufacturer in the world with over 10 million units already in household use worldwide. Instant Pot products are certified by UL/ULC providing unprecedented peace of mind in safety.
The stove-top pressure cookers use the weight of pressure regulator on the lid to limit the cooking pressure. Instant Pot’s patented pressure senor technology regulates the pressure in the inner pot in a much more precise and automatic fashion. When pressure builds up in the inner pot, the Flat Flexible Board (see diagram on right) shifts downwards to trigger the pressure sensor. Conversely, when the pressure is lightened, the Flat Flexible Board moves upwards and again triggers the pressure sensor.
This technology revolutionized the safety of pressure cooking. Apart from this unique innovation, Instant Pot has 10 level of safety protections.
1. Lid Close Detection
If the lid is missing or not closed properly, your Instant Pot electric pressure cooker will not activate pressurized cooking. Only the keep-warm and sauté (in applicable models only) functions work with the lid being open.
2. Leaky Lid Protection
In the case that the cooker lid has leakage (e.g. the steam release not closed properly, the sealing ring being missing), the cooker will not reach preset pressure level. Allowing this to continue would risk burning the food. Instant Pot detects this by measuring the pre-heating time. If the pre-heating is unusually long, the programming will be switched to Keep-warm to avoid burning the food.
3. Lid Lock under Pressure
When the cooker is still pressurized, the lid will be locked to prevent accidental opening. In other words, if its dangerous to open the lid, the pot won’t let you do it.
During cooking, food particles could likely enter and jam the steam release vent. Instant Pot has a specially designed vent shield (see picture on right) to prevent the jamming of the steam release vent (pipe).
The thermostat under the inner pot regulates the temperature of the inner pot to be within a safe range, based on the type of food being cooked.
6. High Temperature Detection
If the cooker is operating without water or moisture, pressure will not build up in the pot. Over heating become the most likely outcome. Excessive temperature may also build up due to situations such as, missing inner pot, inner pot not in proper contact with heating element, or inner pot having heat dissipation problem (e.g. burnt starch at the bottom of the inner pot blocking heat dissipation). Under such conditions, Instant Pot will stop heating when the temperature is over a certain limit.
7. Extreme Temperature & Power Protection
Instant Pot is equipped with a special fuse which will disconnect the power at excessively high temperatures, i.e. 169°C ~ 172°C or 336°F ~ 341.6°F, and /or extremely high electrical currents.
8. Automatic Pressure Control
The patented pressure sensor mechanism (shown in diagram at the top) keeps the operating pressure between 70kPa-80kPa, or 10.12psi ~ 11.6 psi.
9. Pressure Regulator Protection
If the pressure exceeds 105kPa (15.23 psi), the steam release handle (comparable to the pressure regulator in stove-top pressure cookers) will be pushed up to allow steam to be released to bring down the pressure inside the pot.
10. Excess Pressure Protection
If the pressure becomes too high and the pressure regulator malfunctions, Instant Pot’s internal protection mechanism will activate, shifting the inner pot downwards to create a gap between the lid and the inner pot. Steam will then be released from the gap into the internal chamber and heating will stop.
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