How many times does the unit read the values of the device connected to the 20 extra dry contact inputs on my sensorProbe8-X20 in one second?

AKCPsensorProbe Series, Support

How many times a second is the dry contact read? We guarantee this read time is 2 times per second, but actuality, it will vary more than that) depending on the environment (number of sensors online, request http, send mail etc.).

AKCPHow many times does the unit read the values of the device connected to the 20 extra dry contact inputs on my sensorProbe8-X20 in one second?