Standard roster

Individual standards in this cluster

ISO 16890-1, ISO 16890-2, ISO 16890-3, and ISO 16890-4 form the citation set; ARE Labs maps them to filter classification, fractional efficiency, dust loading, conditioning review, QA records, and report outputs.

ISO

ISO 16890 Part 1

ISO 16890 Part 1 frames general ventilation filter classification around ePM performance, general requirements, marking, and documentation.

Aligned
ISO

ISO 16890 Part 2

ISO 16890 Part 2 controls the measurement frame for fractional efficiency and air flow resistance.

Aligned
ISO

ISO 16890 Part 3

ISO 16890 Part 3 applies when a program needs gravimetric efficiency and air flow resistance versus captured test dust mass.

Aligned
ISO

ISO 16890 Part 4

ISO 16890 Part 4 addresses conditioning used to determine minimum fractional test efficiency.

Aligned

Purpose & when to use

ISO 16890 frames general ventilation filter evaluation around particulate matter efficiency, fractional efficiency, resistance to air flow, dust loading, and conditioning effects. This Standards cluster helps teams decide when an ISO 16890-aligned plan can support filter media comparison, HVAC filter development, product claims, supplier review, or a documented basis for ePM1, ePM2.5, and ePM10 performance evidence.

  1. Filter developers use ISO 16890 Part 1 when ePM classification language must connect efficiency data, product marking, and documentation expectations.
  2. Engineering teams use ISO 16890 Part 2 when fractional efficiency and air flow resistance need particle-size-resolved evidence from controlled runs.
  3. Dust-loading programs use ISO 16890 Part 3 when gravimetric efficiency, captured test dust mass, and resistance trends affect claims.
  4. Electrostatically charged media programs use ISO 16890 Part 4 when conditioning and minimum fractional test efficiency need reviewable support.
  5. Nonstandard air-cleaning products use ISO 16890 as context when ARE Labs must document deviations from filter-element assumptions.

Use this cluster when the core question is not only whether a filter removes particles, but whether the method, fixture, challenge aerosol, conditioning state, calculations, and report language can be reviewed against the ISO 16890 series.

Applicable to

Built around ventilation filter decisions

The cluster applies when filter performance depends on controlled air flow, particle-size-resolved challenge measurement, pressure drop, loading behavior, and documentation of product format limits.

Standards in this group

What each citation controls

This page treats ISO 16890 as a standards cluster. Part 1 supplies the classification frame, Part 2 covers fractional efficiency and resistance measurement, Part 3 addresses gravimetric dust-loading behavior, and Part 4 addresses conditioning for minimum fractional efficiency. ARE Labs uses the series as an aligned method family, not a certification claim.

ISO
Aligned

ISO 16890 Part 1

Air filters for general ventilation - Part 1: Technical specifications, requirements and classification system based upon particulate matter efficiency (ePM)

ISO 16890 Part 1 frames general ventilation filter classification around ePM performance, general requirements, marking, and documentation. ARE Labs uses it to align ePM1, ePM2.5, and ePM10 terminology with study design, calculation review, and report language.

ISO official publisher page verified 2026-05-17; page lists published 2016 edition and notes revision activity.

ISO
Aligned

ISO 16890 Part 2

Air filters for general ventilation - Part 2: Measurement of fractional efficiency and air flow resistance

ISO 16890 Part 2 controls the measurement frame for fractional efficiency and air flow resistance. ARE Labs maps it to challenge generation, sampling locations, particle measurement, pressure drop checks, and particle-size-resolved penetration or efficiency outputs.

ISO official publisher page verified 2026-05-17; page lists published 2022 edition.

ISO
Aligned

ISO 16890 Part 3

Air filters for general ventilation - Part 3: Determination of the gravimetric efficiency and the air flow resistance versus the mass of test dust captured

ISO 16890 Part 3 applies when a program needs gravimetric efficiency and air flow resistance versus captured test dust mass. ARE Labs uses it to frame loading observations, resistance tracking, balance records, and mass-based reporting.

ISO official publisher page verified 2026-05-17; page lists published 2024 edition.

ISO
Aligned

ISO 16890 Part 4

Air filters for general ventilation - Part 4: Conditioning method to determine the minimum fractional test efficiency

ISO 16890 Part 4 addresses conditioning used to determine minimum fractional test efficiency. ARE Labs uses it when electrostatic effects, conditioned performance, test-device limits, or conditioning records need to be visible in the protocol and report.

ISO official publisher page verified 2026-05-17; page lists published 2022 edition.

Aligned by protocol, not certified by ARE Labs

ARE Labs treats ISO 16890 as an aligned method family for general ventilation filter testing. The page does not claim product certification, ISO certification-body approval, or individual ISO 16890 accreditation.

  • ISO 16890 Part 1AlignedClassification and ePM reporting frame followed by protocol.
  • ISO 16890 Part 2AlignedFractional efficiency and resistance method frame.
  • ISO 16890 Part 3AlignedDust loading and gravimetric reporting context.
  • ISO 16890 Part 4AlignedConditioning and minimum-efficiency context.
Operational chain

How ARE Labs turns the standards into a study

The ISO 16890 series sets the reference frame, but the executable plan still depends on filter format, face velocity, fixture geometry, challenge aerosol, sampling instruments, and the decision the data must support.

01
Configuration

Map the filter to the ISO frame

ARE Labs compares the product format against ISO 16890 assumptions before selecting fixture geometry, air flow, challenge aerosol, and sampling points.

Protocol setup
02
Measurement

Control particle and pressure data

ISO 16890 Part 2 runs tie upstream and downstream particle measurements to pressure drop, background checks, sampling timing, and instrument records.

Run record
03
Loading

Track dust and resistance behavior

ISO 16890 Part 3 programs document dust addition, captured mass context, balance records, pressure trend review, and stop conditions.

Loading log
04
Conditioning

Record minimum-efficiency context

When ISO 16890 Part 4 is relevant, ARE Labs records conditioning state, media handling, rationale, and limits on interpretation.

Conditioning note
05
Reporting

Connect results to claims

Reports connect ISO 16890 ePM language, fractional efficiency, penetration, resistance, deviations, QC checks, and calculation workbooks.

Review-ready report

Data quality, QA/QC & documentation

ISO 16890-aligned filter work depends on defensible controls as much as the efficiency number. ARE Labs documents fixture setup, background particle levels, flow and pressure sensors, challenge stability, filter orientation, conditioning state, raw instrument files, calculations, deviations, and review records.

Link setup to ISO scope

ISO 16890 records connect filter identification, orientation, fixture setup, flow condition, and sampling locations to the selected method frame.

Preserve calibrated measurements

ISO 16890 Part 2 studies retain particle counter or sizer files, pressure sensor records, flow meter references, and calibration status.

Document mass and resistance

ISO 16890 Part 3 programs retain dust-loading observations, balance records, resistance trends, and calculation workbooks for review.

Show media state

ISO 16890 Part 4 records describe conditioning state, sample handling, applicable limits, and the effect on minimum-efficiency interpretation.

Separate claims from data

ISO 17025 aligned review checks that reports state methods, deviations, uncertainty notes, and certification limits plainly.

Why ARE Labs

ARE Labs connects technical topics to practical study design, method selection, controlled aerosol work, and reportable evidence without turning technical pages into sales pages.

Reviewed byJamie Balarashti (25 yrs - cascade & inhalation methods) - Weston Schaper (7 yrs - real-time sizing & nanoparticle work)
QualityDocumented study records
900+Studies Performed
17+Years in operation
300+Clients supported

Common questions

These questions cover how filter developers, HVAC teams, and air-cleaning manufacturers decide whether work belongs under ISO 16890, an adjacent filtration standard, or a fit-for-purpose protocol. The answers identify the scoping decisions ARE Labs resolves before drafting the method, acceptance criteria, evidence records, and report package.

Q. Which part applies?

A. ISO 16890-1 frames classification, Part 2 covers fractional efficiency and resistance, Part 3 covers dust-loading behavior, and Part 4 covers conditioning for minimum fractional efficiency.

Q. Does ARE Labs certify filters?

A. No. ARE Labs performs ISO 16890-aligned testing where applicable. Certification, listing, or formal approval requires the relevant certification body or authority.

Q. Are room air cleaners included?

A. ISO 16890 publisher material excludes portable room-air cleaner elements from the direct scope. ARE Labs may still use the series as context when documenting a different protocol.

Q. What if the fixture differs?

A. ARE Labs documents deviations from ISO 16890 assumptions, including geometry, air flow, sampling location, conditioning state, and interpretation limits before reporting.

Q. What data do clients receive?

A. Typical outputs include fractional efficiency, penetration, ePM-related calculations, pressure drop, loading observations, raw data references, QC checks, plots, and documented deviations.