The only difference between these two models is the size. The IP-LUX50 has a 5 Litre or 5.28 Qt capacity and 900W heating element, and the IP-LUX60 has a 6 Litre or 6.33 Qt capacity and 1000W heating element. The exterior size amounts to the IP-LUX60 being about 4cm / 2 inches taller than the IP-LUX50. Otherwise, there are no differences in features.
For more technical details on both models please go to Specifications & Manuals
Instant Pot’s inner pot is dishwasher safe and is made from 18/8 stainless steel (food grade 304) compliant to US FDA standards. Instant Pot’s lid is also made from 18/8 stainless steel.
If someone offers you 18/10 stainless steel inner pot for lower than Instant Pot’s price, you should ask for a certificate or proof of the steel. There are also many electric pressure cookers which use grade 202, a new cheaper type stainless steel which is less rust resistant.
Our inner pots are designed to last as long as any other top quality stainless steel cooking pots, utensils and cutlery.
For those who prefer a non-stick inner pot we will shortly be selling them via Amazon and our shop Shop
Instant Pot’s cooking pot is first made with a sheet of 18/8 food grade 304 stainless steel. Then an aluminium disc and an cover disc of stainless steel bottom are fused on. The aluminium disc is not exposed to food or outside. The fusing process leaves some soldering marks at the inside of the cooking pot. These soldering marks are polished away to create a highly polished inner surface, making the cooking pot less sticky to food and easier to clean. The cooking pot is then sprayed with mineral oil for better presentation.
There is no metal coating on the surface of the cooking pot.
In the user manual, we request users to clean the inner pot and the inside of the lid with warm soapy water thoroughly before first use.
The choice of a lower working pressure in Instant Pot is a trade-off of function and cost. The pressure cooker industry safety standard ANSI/UL-136 has a stress test case which requires no leaking at 5 times the working pressure. For 15psi cookers, this is 75psi; for 11.6psi Instant Pot, this is 58psi. The differences in material and construction are huge. We could build an Instant Pot that operates at 15psi, but not at under £100-150 level. It would be more like £300~500 level and our research indicates that most people are not willing to buy in that price range.
On the other hand, operating at 10.15~11.6 psi only results in 7~15% increase in cooking time, i.e. about 3 more minutes in a 30 minute cooking. With the set-and-forget convenience, the extra cooking is more than tolerable. Furthermore, thanks to the air-insulated housing, maintaining pressure for the extra time consumes very little electricity. Our study shows that Instant Pot uses less than half of electricity comparing with a stove-top on a electric range, taking the same length of time.
This is due to the way the Instant Pot pressure cooking is done. As soon as the cooking pressure is reached inside the inner pot, the intelligent cooking programs of the Instant Pot reduce the heating temperature to only maintain the pressure and temperature. Inside the inner pot, the temperature hovers around the water boiling point under the pressure of about 11 PSI, at 115°C~118°C or 239°F~244°F. Therefore, there is no violent boiling activity to break down the food chunks, even though they are fully done. This is one of the reasons why the Instant Pot dishes keep the perfect food chunk shapes for better presentation.
In some situations, the user may want to have a more mushy consistency. As the food is fully cooked, it can be easily broken down by stirring or pressing.
How does Instant Pot’s smart cooking program work? How is temperature and pressure controlled?
Please refer to our Smart Cooking Programs article.
The new Instant Pot IP-LUX series has a built-in browning function called “Sauté”. It can be used to brown meat before cooking or thickening sauces after cooking. You can choose from three settings such as low, medium and high by pressing on the “Adjust” button.
When using the “Sauté ” function, , do not use the lid at all as you do not want to build pressure for that setting. Our glass lid may be used with the “Sauté ” feature and will be available on Amazon and in our Shop
The Slow Cook function on Instant Pot Lux series has operates via a sophisticated temperature control, which you can choose “Less”, “Normal” and “More” with the “Adjust” button. These correspond to the Low, Medium and High in common slow cookers but are carefully regulated by the inbuilt microprocessor . The operating temperature is at 88-99°C (190-210°F), and it can be set to cook for 1~10 hours. You need to set the steam release handle to the “venting” position during slow cook.
The Instant Pot models sold via this website and on Amazon.co.uk are 220v models.