Price checker FAQ: 38 practical questions from buyers and operators

By viewing distance: 5–8 in within 50cm, 10.1 in at about 1m, 15.6 in at about 1.5m, 21.5–32 in beyond 2m. Also measure the wall width available: under 20cm only fits a 5-inch unit.

Choose the Android model if the price software is a web page or an Android app; choose the X86 model for a Windows client that needs serial drivers or ActiveX controls. Both versions of a given size share the same housing and mounting holes.

A small screen is enough for a shopper standing 30–40cm from the shelf reading a unit price, specifications and a QR code. To show product images, promotional copy or several lines of specifications, go to 10.1 in and above.

Screen size, processor and whether a printer is built in. The 21.5-inch model runs J1900 with 4G+64G; the 32-inch runs i5-3320M with 4G+128G and includes an 80mm printer with a cutter.

It suits sites that need physical separation between the store network and the public internet: one port carries the POS and stock server, the other carries the head office cloud platform or the internet.

POE carries power and data over one cable, which suits shelves and pillars where no socket exists; DC 12V suits counters that have one. The two units are functionally identical, and the power method is fixed at order time.

Choose it only if you have a Linux stack in place and want a lighter or fully locked system. Otherwise Android is already light, with better debugging tools and ecosystem.

Standard configurations carry a low minimum order quantity, and samples can be arranged. Projects with color, silk print, packaging or tooling changes set the minimum per project.

One model varies widely with screen, system, power, optional modules and quantity. A blanket price would mislead the selection, so we issue a formal quotation against the configuration.

The unit, standard power adapter, stand, manual and packaging. Optional modules, longer cables, floor stands and on-site installation are priced separately and itemized on the quotation.

It depends on quantity, configuration and whether the order is customized. Standard configurations are scheduled on receipt of the order; custom projects add sampling and approval time. The contract governs.

As agreed in the contract; commonly a deposit with the balance paid before shipment. Confirm terms with sales.

VAT invoices can be issued; invoice type and tax rate follow the contract.

The unit carries a warranty under the contract. It excludes damage from misuse, liquid ingress, unauthorized dismantling and incorrect power supply. The term and conditions are written into the contract.

Screen center 1.35–1.45m above the floor (1.30–1.55m for the 21.5 and 32-inch portrait models). Lower it by 15–20cm where children or wheelchair users are the main audience.

Yes, but add a backing board before fixing, or use a floor stand. The 21.5 and 32-inch units are heavy, so the mounting surface must carry the load.

Glass cannot be drilled directly. Use a floor stand, a ceiling-hung arm, or build a back panel that encloses the glass and fix to that.

One network port (or WiFi coverage), one power feed (the POE version needs only the network port), and 3–5cm of cooling space behind the unit.

Run cables out of the back of the stand, along the shelf pillar or a corner trunking, and leave 30cm of slack on both the network and power cables so the unit can be lifted off for service.

For a standard wall mount, one person can fix, wire and power-test the unit in 20–30 minutes. Where cabling must be rerouted or the wall reinforced, time depends on the site.

We can supply a basic query page with a local price list, or hardware only, with your software team building the application. The scope is agreed at project start.

The usual pattern is for the price checker to send the barcode to a server over serial or the network, and the server returns the product record. We provide interface documentation and debugging support.

On the Android model you can install an APK and set it as the default launcher; the Windows model deploys like a normal PC, with auto logon and start-up launch configurable.

Yes. Cache the price list for your most-queried categories on the device; when the network drops, it reads the cache and shows a note that this is an offline price and the checkout price applies.

Yes. Android supports MDM or your own management console; Windows supports domain policy or endpoint management tools. Fixed IPs or DHCP reservations are recommended.

Yes. Prefix, suffix, terminator and case conversion are normally handled in the application or the engine configuration, and are set to your system requirements.

Power off, then wipe with a microfiber cloth dampened with a little water or a neutral cleaner. Do not use solvents other than alcohol, do not use abrasive cleaners, and never spray water onto the screen.

Units in public areas usually stay powered. Set a scheduled restart in the OS, for example overnight each day; that is better for long-term stability than repeated power cycling.

The 802 series is passively cooled: leave 3–5cm behind the housing and do not enclose it in a sealed cabinet. If the location runs hot for long periods, assess adding a fan or moving the unit.

First clean the scan window glass, since fingerprints and dust have a large effect; then check whether a reflective film was applied or the lighting changed. If none of that explains it, contact technical support for a remote log review.

Not recommended. Dismantling the unit voids the warranty, and the 21.5 and 32-inch models carry mains voltage inside. Contact technical support first to diagnose a fault.

The Android model can be restored from the factory image; for Windows, take a system image before shipment and enable the Unified Write Filter. The recovery method is documented in the delivery pack.

Yes. Housing color, silk print, boot screen, packaging and in-system branding can all change; tooling and certification costs are assessed per project.

A color change needs no tooling: plastic parts are painted and a sample is confirmed against the color code. Tooling is needed only for structural or cutout changes.

We can supply samples, technical files and testing support. Certificates are issued by accredited laboratories, with cost and lead time set by the destination and standard.

We diagnose remotely first and fix remotely where possible; where a return is needed, the contract repair process applies. Customers should keep 1–2 spare units to cut downtime.

Common spares (power adapter, stand, scan window glass) can be ordered separately; confirm the list with sales.

No. The hardware warranty covers the hardware itself; software issues sit in the application layer and are handled by the software provider. We can help determine whether the cause is hardware or software.