How accurate is the Lost Handheld Device Calculator?

It gives a practical first estimate based on the device count, replacement value, loss rate, and downtime assumptions your team enters. A site review can refine the estimate with real issue-and-return data, charging requirements, and workflow details.

Which devices should I include?

Include any shared handheld device that can delay work when it is missing, uncharged, damaged, or unavailable. Common examples include barcode scanners, radios, tablets, mobile terminals, measurement tools, batteries, and specialist handheld equipment.

Does the calculator include downtime?

Yes. The strongest estimate includes more than replacement cost. It should also account for search time, delayed tasks, interrupted maintenance work, and lost throughput when teams cannot access the device they need.

Why do handheld devices go missing in factories?

Devices usually go missing when storage, charging, checkout, and return happen in separate informal steps. Shared shelves, open charging areas, paper logs, and shift handovers make it hard to see who had which device and when it came back.

How do smart asset lockers reduce device loss?

Smart asset lockers create controlled pickup and return points for shared equipment. Badge or RFID access links each device movement to a user, while software records help teams see availability, overdue returns, and recurring loss patterns.

Can Keynius lockers charge devices while they are stored?

Yes. Keynius can support storage with integrated charging where the device type and locker configuration require it. This helps teams start shifts with devices that are present, charged, and ready to use.

Can this work across multiple workshops or factory sites?

Yes. Multi-site teams can use smart asset lockers to apply the same access, return, and tracking model across workshops, production areas, and maintenance locations. NMBS uses this model across 11 workshop locations with 800+ smart lockers.

Back to tools

Calculate what missing handheld devices cost your operation

Use fleet size, device value, loss rate, and downtime assumptions to estimate the annual cost of misplaced scanners, radios, tablets, and other shared handheld devices.

Calculate Device Loss Cost

Warehouse worker in hard hat and vest scans and checks boxes with barcode scanner amidst stacked shelves.

Estimate annual loss from missing scanners, radios, and tablets

Factor in replacement cost, downtime, and search time

Test loss-rate scenarios across teams, shifts, and sites

Build a first case for controlled issue, return, and charging

How to use the Lost Handheld Device Calculator

The calculator helps factory, maintenance, logistics, and operations teams put a number on a problem that usually sits in shift handovers, replacement orders, and informal searches. Start with the handheld devices your teams rely on every shift: scanners, radios, tablets, mobile terminals, measurement tools, batteries, and shared handheld equipment. Add your fleet size, estimated replacement value, expected annual loss rate, and the downtime or search time created when a device is missing. The output gives your team a practical first estimate of annual device loss. Use it to compare the cost of continuing with manual storage against a controlled issue-and-return model with smart asset lockers.

Annual Visitors: the total number of people who pass through your venue per year
Conversion Rate: the percentage of visitors who pay to use a locker
Average Price per Use: the price you set for one storage session

What to review after the estimate

Use the estimate to find where the loss is actually happening: shift start, shared charging areas, tool rooms, maintenance workshops, vehicle bays, dispatch points, or satellite sites. Then validate the operating model. Decide which devices need assigned access, which should be shared by role, which require charging, and which need an audit trail for pickup and return. Keynius can help translate those rules into a locker setup with badge or RFID access, compartment-level control, charging where needed, and software records that show who took which device and when it came back. NMBS used this type of controlled asset model across 11 workshop locations with 800+ smart lockers and reported a 35% reduction in tool loss.

Choose your business model: Decide whether ownership, leasing, or shared revenue fits your cash flow and risk profile.
Refine your traffic estimates: Validate your visitor numbers with historical data or industry benchmarks specific to your venue type.
Confirm venue requirements: Check power, network, and footprint availability where you plan to install.
Map operational ownership: Decide who manages day-to-day operations, including customer support and incident handling.
Plan your launch: Coordinate installation timing with signage, staff training, and customer communication.