Technically, the actuation force difference between all keys is minimal and impossible to be perceived by touch. That is because the low profile keycaps have minimal weight and the travel distance is very short, which impede the weight of the keycap and or its momentum from assisting the actuation of the key.
Unlike with mechanical keyboards, the actuation force of the larger keys (Space, Shift, Enter, etc.) is very close to that of the main keys. Their average actuation force is 62 cN, which is relatively high for chiclet keys, but it also offers a feeling of firmness and precision. The chiclet keys of the DeathStalker Chroma are terribly consistent, with a disparity of just ☑.89%. We performed the above testing to showcase the difference between chiclet and mechanical keys, as well as for future comparisons. Furthermore, their performance and feeling are entirely different in comparison to mechanical keys. The chiclet keys of the DeathStalker Chroma have a travel distance of just 2 mm and their maximum force point is at the very top of this distance. We should start by clarifying that you should not directly compare the above results to a mechanical keyboard. Still, very low figures on medium sized keys, such as the Shift and Enter keys reveal design issues and can easily be perceptible by the user.
For this reason, we do display the force required to actuate every key but we only use the results of the typical sized keys for our consistency calculations. This is natural, as the size and weight of the keycap reduces the required actuation force. Note that large keys generally have a lower actuation force even if the actuation point is at the dead center of the key. Enter, Space Bar, etc.), the measurement is taking place at the center of the key, right above the switch. The machine we use for our testing is accurate enough to provide readings with a resolution of 0.1 cN. Greater differences are likely to be perceptible by users. A high quality keyboard should be as consistent as possible, with an average actuation force as near to the manufacturer's specs as possible and a disparity of less than ☑0%. The conversion formula is 1 cN = 1.02 gf (i.e. Some companies use another figure, gram-force (gf). The actuation force is measured in 'centinewton' (cN), or hundredths of a newton.
It can also reveal design issues, such as the larger keys being far softer to press than the main keys of the keyboard. By measuring the actuation force of every key, the quality and consistency of the keyboard can be quantified. In order to test the quality and consistency of a keyboard, we are using a texture analyser that is programmed to measure and display the actuation force of the standard keyboard keys.
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