Each type of entrance control system manages a different level of throughput so to find the right solution for your office building, it helps to compare flow rates.
The flow rate measures how many people pass through a given entrance system in one minute. You can read more about what flow rate is and how to measure it in this post, Why Flow Rate is So Important for Office Entrance Security.
There are six main entrance security alternatives for office buildings ranging from tripod turnstiles to security booths.
Relative to one another, here's how they stack up in terms of people flow:
The relative flow rates of different entrance security systems for office buildings
You can read more about the pros and cons of each alternative — including security levels, detection capabilities and level of required investment — in this Comparison Guide to Entrance Systems for Office Buildings.