Time delay is an interesting topic. Most retail stores, restaurants and merchants utilize time delay.
By adding time delay to your safe, depository or compartment, you are protecting your cash and valuables ten fold. The number one source of theft is from anyone with access. Employees included here.
Even if your employees know how to gain access to the safe, time delay can help to thwart them. Now add audit to your lock and sleep well knowing that if theft does occur you will know who and when it happened.
The main use of time delay is theft prevention. In a hold up / robbery situation the thief will not wait 15 minutes. And forget about your local bank vault. It won't open until whenever they have set it to. These locks can be set for 144 hours. That's six days!
Time delay locks come in various shapes, sizes and features. Deadbolts, levers, slam latch, including dual custody and audit trail. Almost any application of time delay can be added to what you need to secure. Mechanical is just as secure as digital.
The one problem to note with time delay is time. You will not be able to access contents quickly. The same goes for the locksmith. When I am on a call dealing with time delay I know I'm going to be a while regardless of how simple the problem is to fix.
I've decided to not show pictures of any examples of time delay locks for obvious reasons but if you were considering time delay, give me a call. I will most certainly discuss your time delay requirements.