An “ESD resistant” line in a rugged handheld or tablet quotation is not enough to compare devices for a static-prone workplace. Ask which product configuration was tested, to which edition and method, at what discharge levels and points, and what the device was required to do during and after the discharge. Air and contact values are not interchangeable; neither proves that the attached scanner, dock or business application continued correctly. Treat a datasheet number as the start of an evidence request, not an all-purpose immunity guarantee.
The existing IP and drop-test guide addresses ingress and mechanical impact claims. ESD is an electrical-immunity question with different methods and failure modes. It also is not the same as a hazardous-area approval: the hazardous-area guide deals with the exact certified equipment and accessories for those environments, not ordinary static-discharge immunity.
Read the stated test before comparing kilovolts
IEC 61000-4-2:2025, edition 3.0 describes a reproducible electrostatic-discharge immunity method for equipment exposed to direct discharges from people and discharges to nearby objects. It covers test setup, waveform, levels, procedures and uncertainty. The IEC description also says this basic publication does not itself prescribe the severity for every particular apparatus; relevant product requirements determine the applicable choice. Do not convert a test level into a claim that a device is safe or reliable in every installation.
Identify the standard edition in the supplier’s evidence. A report against the 2008 edition and one against the 2025 edition should not be silently described as the same test. Ask whether the quoted figure is for direct contact discharge, indirect contact to the test setup, or air discharge, and identify the test points and polarities. A larger air-discharge number does not automatically outrank a smaller contact-discharge number because the procedures and coupling paths differ. If the product sheet says only “ESD 15 kV,” request clarification before ranking it.
For a concrete third-party example, the Zebra MC9400/MC9450 specification sheet separately lists air, direct and indirect discharge values. The Zebra ET80/ET85 tablet sheet lists an IEC 61000-4-2 reference and separate air/contact values. These are named Zebra-family statements on their respective sheets, not AIDC GO ratings or evidence that all versions and accessories share a result. Request the current report and tested configuration for the part number actually quoted.
Define what must keep working
ESD acceptance needs an operational criterion. A device may remain powered yet lose a scanner connection, repeat a key press, drop an unsent transaction or require an operator reset. Ask the supplier what functional performance was monitored during the test and which deviations were permitted. Then make the field application owner define the task-level consequence: must the active form remain open, must a decoded barcode remain unchanged, and how will an uncertain server receipt be reconciled?
Editorial example, not a laboratory result or customer case: two quotes both claim an air-discharge rating, but only one report covers a terminal with the proposed charging accessory and active scanner application. At a packing station, the operator scans carton C-401 and begins an unsent confirmation. A static event occurs near the device while it is docked. The visible screen returns to the same form, yet the app’s connection has reset. A useful acceptance check asks whether C-401 is still unsubmitted, already accepted, or in an uncertain state; it does not infer the answer from the screen or the voltage printed on a datasheet. The example illustrates the record to verify, not a test that AIDC GO performed.
The intended test configuration matters. List the device model and hardware revision, battery, hand strap, scanner or RFID accessory, charger or dock, cable routing, protective case and software build. A component report for a bare terminal may not cover a particular assembled system. Equally, a supplier should not be asked to claim that a different third-party accessory was in its laboratory test if it was not. Separate the documented device result from any additional system-level evaluation the project needs.
Do not confuse immunity with safe ESD handling
Equipment immunity testing and electrostatic control while handling sensitive parts have different purposes. The IEC 61000-4-2 overview explicitly excludes using this method to characterize the sensitivity of devices during handling and packaging. If workers handle ESD-sensitive electronics, the site needs its own approved handling controls and procedures; a rugged tablet’s immunity line cannot replace them. Likewise, do not perform improvised high-voltage discharges on production devices to “confirm” the datasheet. Request the qualified laboratory evidence and agree any controlled system test with the responsible test engineer.
Location also affects the purchasing decision. In a dry manufacturing area, a device may be carried, docked, cabled and handled with gloves across a shift. Ask which of those states the report covers and what remains untested. If the quoted device has multiple regional or accessory variants, have the supplier identify which part number and report apply in the deployment country. Do not assume a family brochure applies to every SKU. If no exact evidence exists, label the gap and make it a procurement condition rather than inventing a pass.
Use a short acceptance record, not a single rating
Before purchase, collect the manufacturer declaration or test report, standard and edition, air/direct/indirect methods and levels, applied points and polarities, tested hardware and accessory configuration, operating mode, performance criterion, observed interruption and recovery action. Compare two suppliers on those matched fields. “Not stated” remains an open item; it is not equivalent to a failed test or to a pass.
For the project pilot, verify normal operation of the proposed device and application before and after ordinary handling in the actual station, without generating an ESD stress test. Check scan output, peripheral connectivity, pending work and the server-accepted record. If a controlled laboratory or site-level immunity test is required, specify its scope and authorized procedure separately. Preserve the raw result and any exception rather than converting a reboot or missed record into “passed” because the enclosure survived.
Use the handheld terminals or rugged tablets category to identify candidate form factors, then take the exact SKU and accessory list to Integration Support. These category links do not assert an ESD rating for any AIDC GO model. Contact AIDC GO with the operating environment, requested evidence and application acceptance criterion so the quotation can address the actual system, not a generic kilovolt figure.