Choosing a portable particle counter for environmental indoor air measurement comes down to more than sensor specifications. When you are shopping in the used market, the real decision is about condition, price, and how much repair risk you are willing to take. The four portable counters here cover a wide price spread and very different condition levels, so the right pick depends on whether you need a working instrument or you are prepared to troubleshoot.
Quick take
If you want the highest-priced unit with a Used condition, the Particle Measuring Systems LASAIR III 310C is the one to start with. If your priority is the lowest entry point, the Beckman Coulter HIAC PODS+ STD B87403 is the unit to examine, but it is sold for parts or repair only. The Pall PFC400W is the only fluid cleanliness monitor in the group and it powers on, but it has not been calibrated. The Climet CI-1054 is a high-priced portable counter with a cracked display glass and a power-tested-only note.
Listed price comparison
| Product | Listed price | Price bar |
|---|---|---|
| Particle Measuring Systems LASAIR III 310C | USD 2,495.80 | |
| Beckman Coulter HIAC PODS+ STD B87403 | USD 399.99 | |
| Pall PFC400W | USD 1,799.99 | |
| Climet CI-1054 | USD 2,249.99 |
Decision at a glance
- Highest price with a Used condition: Particle Measuring Systems LASAIR III 310C
- Lowest entry price: Beckman Coulter HIAC PODS+ STD B87403
- Fluid cleanliness focus: Pall PFC400W
- Parts or repair candidate: Climet CI-1054
Particle Measuring Systems LASAIR III 310C Portable Particle Counter
The LASAIR III 310C is the most expensive unit in this comparison at USD 2,495.80, and it is in Used condition rather than for parts or not working. It shares that Used status with the Pall PFC400W, but the LASAIR carries the higher price. The model and part number both point to the LASAIR III 310C. The trade-off is the price: it is a significant budget commitment compared with the Beckman Coulter at the low end. You are paying for a Used condition designation and a clearly identified Particle Measuring Systems unit, rather than a parts-only or cracked-display unit.
Beckman Coulter HIAC PODS+ STD B87403 Portable Industrial Fluid Particle Counter
At USD 399.99, the Beckman Coulter HIAC PODS+ STD B87403 is the least expensive portable counter here, which makes it a potential entry point for buyers who can repair equipment. It is sold as-is for parts or repair only, power tested only, and shows wear and tear. The model and part number are clearly stated as PODS+STD and HIAC PODS+, and the country of origin is the United States. The main limitation is that you are buying a project, not a working measurement tool. You will need to factor in repair and calibration costs before you can use it as a working counter.
Pall PFC400W Portable Fluid Cleanliness Monitor Particle Counter - Powers On
The Pall PFC400W is priced at USD 1,799.99 and is the only unit described as a fluid cleanliness monitor, which sets it apart from the others for environmental indoor air measurement. The unit powers on successfully, and pressing Start Test produces normal mechanical activity from the internal pump or motor. That is a more detailed condition check than you get with the Beckman or Climet units. However, the monitor has not been calibrated for measurement accuracy, and it is not connected to a fluid line. If you need to measure particle contamination in fluids rather than air, this is the one to consider. If not, you may be paying for a function you will not use.
Climet CI-1054 Portable Particle Counter Cracked Glass See Photos Power Tested
The Climet CI-1054 is priced at USD 2,249.99, making it the second-highest price in this group, and the condition issue is obvious: the display glass is cracked. The unit also has scuffs and scratches from normal use, and it is classified as for parts or not working. At this price, you are paying for a Climet model with a known model and part number, CI-1054 and C1-1054-01, and a United States country of origin. If you already have a CI-1054 or need parts, this could be a donor unit. For someone who needs a functioning counter for environmental indoor air measurement, the cracked glass and parts-only designation are serious limitations.
Final recommendation by use case
Choose the Particle Measuring Systems LASAIR III 310C if you want a Used condition and are comfortable with the highest price in this group. Choose the Beckman Coulter HIAC PODS+ STD B87403 if you want the lowest entry price and are prepared to handle repairs. Choose the Pall PFC400W if your monitoring is focused on fluid cleanliness rather than air. Choose the Climet CI-1054 only if you need a Climet unit and can live with the cracked glass.
