ISC West puts more weapons detection vendors in one place than anywhere else in the industry. Every booth will have a demonstration, a confident sales pitch, and a spec sheet that makes their system sound like the obvious choice. The technology will look impressive under show floor conditions and the staff will be knowledgeable and prepared. But by the end of the show, you may have seen enough systems that they start to blur together.
It’s likely that every demonstration will look impressive, but it’s not a beauty pageant. Which system will actually perform in your facility, with your staff, on a Tuesday morning six months after installation when nobody from the vendor is watching?
These five questions will help you find out.
1. What alert rate are your customers actually seeing in operation?
Demonstration conditions are controlled; operational environments are not. Any vendor can show a clean detection result on a trade show floor where the individual walking through is carrying nothing but a badge and a bottle of water. What matters is what happens when your staff is screening 800 students carrying Chromebooks, or 3,000 fans arriving for a sold-out event, or a hospital emergency department processing patients in various states of medical need with family members carrying overnight bags.
Ask for real customer alert rates in environments similar to yours. Push past the general answer and ask for specifics like what traffic volume and what kind of personal belongings. A system generating alert rates that overwhelm your secondary screening capacity is not a security solution. Security staff who spend their shifts investigating alerts that resolve into keys and medical devices will eventually start treating all alerts the same way, and that is when the system stops working regardless of what the spec sheet says.
The alert rate number a vendor quotes you in a demonstration and the number their customers live with every day are often very different figures. The vendors worth your time will know both numbers and will tell you both without being asked twice.
2. How does the system distinguish between a weapon and an everyday item?
This is the question that separates detection technology from detection philosophy. Traditional metal detectors alert on electromagnetic disruption. That is the entirety of what they do. They cannot tell a laptop from a firearm, a medical device from a knife, or a graphing calculator from anything at all. In environments where people carried minimal personal items, that was a workable approach. In the environments most security directors are managing today, it is not.
AI-powered object classification systems identify specific threat objects regardless of what else an individual is carrying. Ask the vendor to explain exactly how their system makes that distinction — not in marketing language, but technically. How does the AI model get trained? How frequently is it updated? What happens when a new consumer device enters the market and starts generating false alerts? If the answer is vague or pivots quickly back to a feature list, the alert rates from question one will tell you everything you need to know about why.
3. What independent third-party validation does the system carry?
A vendor’s own testing data is not independent validation. It is a starting point for a conversation at best. Ask specifically which government agencies or accredited third-party bodies have tested the system, what those tests evaluated, under what conditions they were conducted, and whether the system appears on any official product lists as a result of that testing.
This is a short conversation with vendors whose systems have been rigorously and independently tested. It becomes a much longer and less satisfying conversation with vendors whose systems have not. Independent validation is the closest thing the industry has to an objective performance standard, and the absence of it tells you something about either the system’s performance history or the vendor’s willingness to subject it to scrutiny.
4. What does secondary screening volume look like after deployment?
Secondary screening is where the true operational cost of a detection system lives, and it is the metric that most purchasing decisions underweight. Every alert that turns out to be a water bottle, a belt buckle, or an iPhone is staff time spent and queue length increased. Multiply that across a full operational day and the cumulative cost — in staffing hours, in throughput loss, in the experience of the people walking through your facility — is significant.
Ask vendors about what their customers are actually directing people to secondary screening for, how often, and how that volume changes over the first six months of operation. Ask whether customers have had to add screening staff to manage alert volume. Ask whether secondary screening protocols have had to be modified because the original procedures assumed a lower alert frequency than the system actually produces.
The answers to these questions reveal whether a system is genuinely performing or whether customers have quietly adjusted their expectations downward over time to accommodate a tool that is not quite doing what they bought it to do.
5. What does the support relationship with the vendor look like after installation?
A detection system is not a one-time purchase, and the vendor relationship does not end when the equipment is installed. Ask how software updates are delivered and how frequently the underlying AI model is improved as new threat objects and new personal electronics enter circulation. Ask what support looks like beyond the initial warranty period and whether system reconfiguration is possible as your operational environment changes over time.
Ask specifically what happens when a software update is needed. Is it delivered remotely? Does it require a technician on site? Does it take the system offline, and if so, for how long? For facilities where even a brief screening gap creates operational risk, these are not minor questions.
The vendors worth talking to have clear, specific answers to all of these. The relationship they are describing is a long-term operational partnership. Approach with caution and redirect back to the demonstration before you finish asking.
ISC West is one of the best opportunities of the year to ask hard questions in person and evaluate the answers directly. Use it for that.
Xtract One will be at ISC West 2026 at booth 29053. If you want to ask us these questions directly, we welcome it. Book time with our team at sales@xtractone.com.