Record the Contamination Event. Preserve the Evidence.
A contamination event can last minutes. The chloride it leaves behind can remain for years. DustLog™ records chloride-laden dust right where it settles — so when an event, failure or dispute occurs, the evidence is already there.
- Free Including Shipping: Available to data centers and data center service providers
- Passive Long-Term Record: Super-tough PET, no power, no moving parts, no routine maintenance
- Evidence When It Matters: Construction dust, smoke, extinguishing-gas events or warranty disputes
- ISO 8502-9 Swiss Lab Analysis: Return the sampler when needed and the lab analyzes what kind of dust settled, including its chloride load, supporting a clean-or-replace decision
- ISO 14644-1 Class 8 Comparison: The lab also measures how much dust settled, shown as a percentage of ISO 14644-1 Class 8, the cleanliness level recommended for data centers
- Registered at Install & Removal: Scan the QR code to record date, location and photos when you mount the sampler, and again when you send it to the lab

Free Including Shipping
Available to data centers and data center service providers. Tell us how many you need — we ship them free.
Passive & Tamper Resistant
Super-tough PET, no power and no moving parts. Mount once inside or outside racks or on room surfaces, and leave it in place.
Months or Years of Record
Collects chloride-laden dust continuously, so the record exists before anyone knows an event will matter.
Evidence for the Decision
Swiss laboratory chloride-load analysis to ISO 8502-9, plus a percentage of ISO 14644-1 Class 8 showing whether the recommended data center level was met.
The Event Is Brief. The Evidence May Be Needed Years Later.
After a contamination event, chloride-laden dust can remain on equipment for months or years. If conditions later activate corrosion processes, failures may appear long after the original event. Without a retained on-site record, connecting the later problem to the earlier exposure can be difficult.
Contamination Event
Smoke, construction dust or an extinguishing gas release deposits chloride-laden dust on equipment.
Dormant
Everything runs normally. The chloride sits on the hardware — invisible and apparently harmless.
RH Spike
A rise in relative humidity activates the chloride and starts chemical corrosion.
Reduced MTBF
Unexplained failures and shortened equipment life — long after the event was forgotten.
Was There a Contamination Event?
DustLog™ continuously records the deposited dust where it is installed. Because each sampler is registered at installation, you can show exactly where it was and since when.
What Does the Exposure Mean?
Scan the QR code to register the sampler for lab analysis, then send the sampler for Swiss laboratory measurement of ionic contamination to ISO 8502-9. Results are compared against published limit values for clean-or-replace decisions, and the report also shows the result as a percentage of ISO 14644-1 Class 8, the cleanliness level recommended for data centers.
What the Lab Result Means.
Surface contamination testing as per ISO 8502-6 / ISO 8502-9 gives results for ionic surface contamination (including chlorides, sulfates and nitrates) in µg/cm². DustLog™ is designed to monitor the cleanliness of surfaces in technical environments where there is a high risk of equipment damage caused by ionic contamination. Ionic contamination is particularly corrosive in environments with elevated relative humidity.
Buildings & General Installations
Limit value for ionic surface contamination in buildings and general technical installations.*
Electronics & Data Centers
Limit value for electronic equipment and sensitive installations such as data centers.*
Particle Cleanliness · Reported as a Percentage
In addition to the ionic load, every DustLog™ lab report expresses the result as a percentage of ISO 14644-1 Class 8, the cleanliness level recommended for data centers by ASHRAE TC 9.9.
A result of 100% or less shows that, over the test period, the dust recorded at that location stayed consistent with the Class 8 recommendation. A result above 100% shows that it did not.
* For more information on limit values, see: M. Tuchschmid and R. Werner, “Comparative Investigations of Corrosive Fire Gas Condensates: Chloride-Equivalent Contaminations” (Vergleichende Untersuchungen korrosiver Brandgaskondensate), Allianz Report 5/2001, pp. 204–211, EMPA (Eidgenössische Materialprüfungs- und Forschungsanstalt / Swiss Federal Laboratories for Materials Testing and Research), Dübendorf.
Mount It Once. Keep the Record Until You Need It.
DustLog™ works quietly in the background. There is no power, wiring or routine maintenance — the sampler simply stays in place until the record is needed. A quick QR scan at installation and at removal documents where it was and for how long.
Get Your Cards
Tell us how many cards you need — we recommend several per room. Shipping is free.
Mount & Register
Mount cards in seconds with the included adhesive tab — inside and outside racks, on doors, frames, walls, cable trays and HVAC units. Then scan the QR code to register the installation with a photo, date and location. Several samplers per room are recommended, because contamination events can be very localized.
Records 24/7
The sampler passively collects chloride-laden dust for months or years, building a record over time.
Register & Return
When an event, failure or dispute makes the record relevant, scan the QR code again to register the sampler for lab analysis. Photograph it in place, print the form and return label, and send it for ISO 8502-9 analysis by the Swiss laboratory.
Registered In. Registered Out.
A lab result carries more weight when you can show where the sample came from. Each DustLog™ sampler has its own serial number and QR code. Scan it once when you install it and again when you remove it, and the sampler's history is documented from the first day to the lab bench.
Register Installation
- Serial number linked to your company and contact
- Photos of the sampler in place
- Installation date, site, room and rack position
- Optional GPS location from the phone
- Confirmation email with a timestamp, for your records
Return for Lab Analysis
- Photos of the sampler in place before removal
- Removal date and observations such as recent works or HVAC changes
- Printed lab form with serial number, QR code and photos
- Return shipping label ready to cut out
- Confirmation email with shipping instructions
Why register twice? The two registrations document where the sampler hung and for how long, so the laboratory result can be tied to a specific location and exposure period. That supports the credibility of the result in insurance claims, contractor discussions and warranty disputes. Details already entered are remembered on the same phone, so the second scan takes only a minute.
Install Before the Event. Use the Record When It Matters.
Contamination events are rarely planned. DustLog™ is already in place when they happen, giving you an on-site record that can be submitted for ISO 8502-9 analysis when evidence is needed.
Renovation & Building Work
Event: Drilling, sanding or demolition in or near the facility sends fine dust through the building and into the white space.
Evidence: ISO 8502-9 chloride load where the dust settled — before, during and after the work.
✦ Retained evidence for contractor-related claims and assessment.
Smoke Events
Event: A nearby fire, an overheated component or smoke drawn in by the HVAC system.
Evidence: ISO 8502-9 chloride load that actually reached the racks — the basis for a clean-or-replace decision.
✦ Evidence that can support insurance and damage assessment.
Extinguishing Gas Events
Event: An extinguishing gas release — triggered or accidental — stirs up settled dust at high velocity and can carry combustion by-products into IT equipment.
Evidence: ISO 8502-9 chloride deposits at the equipment, not just in the room.
✦ On-site evidence of deposited contamination.
When a Hardware Vendor Blames Your Air
Event: A hardware vendor rejects a warranty claim, blaming corrosion on your environment.
Evidence: Independent ISO 8502-9 Swiss lab report showing whether a chloride event occurred and whether the location met ISO 14644-1 Class 8 over the test period — recorded right at the failed equipment.
✦ Independent laboratory evidence for the exposure assessment.
Put a Record Where Contamination Lands.
DustLog™ is free of charge, including shipping, for data centers and data center service providers.
Plan several samplers per room. Contamination events can be very localized, so place samplers inside and outside racks and on room surfaces such as walls and doors.
- 1Tell Us How Many: Enter the number of cards and your shipping address.
- 2We Ship Free: Your cards arrive with mounting instructions — no shipping fee.
- 3Mount & Register: Inside and outside racks, on doors, frames and walls, then scan the QR code to register each installation. The cards collect dust for months or years.
- 4Register & Return When Needed: Scan the QR code again to register the sampler for ISO 8502-9 analysis by the Swiss laboratory, then send it in.
Get Free DustLog™ Cards
No charge for eligible data centers and service providers. Shipping included.
Free including shipping — for data centers and data center service providers. Quantities are subject to availability.
Several samplers per room are recommended — contamination events can be very localized.