What is the primary function of a particle counter like the Met One 3313LL?

Its primary function is to measure and count airborne particles within specified size ranges, crucial for monitoring air quality in controlled environments.

Is this unit suitable for continuous monitoring?

Yes, units of this type are often designed for continuous or programmable interval sampling, making them suitable for ongoing environmental monitoring.

What maintenance is typically required for a used particle counter?

Regular maintenance typically includes filter replacement, calibration checks, and potential servicing of the laser, pump, or optics to ensure accurate operation.

Can this particle counter be integrated into a larger facility monitoring system?

Most Met One particle counters, including this model, offer serial data export capabilities, allowing for integration with facility monitoring or building management systems.

What should I consider regarding calibration for a used unit?

It is advisable to arrange for professional calibration upon acquisition of a used unit to ensure its accuracy and compliance with relevant standards before deployment.

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Pacific Scientific 3313LL Met One Particle Counter

Used Pacific Scientific 3313LL Met One Particle Counter - Particle Counters & Particle Analysis Systems, photo 1

Used Pacific Scientific 3313LL Met One Particle Counter - Particle Counters & Particle Analysis Systems, photo 2

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Used Pacific Scientific 3313LL Met One Particle Counter - Particle Counters & Particle Analysis Systems, photo 4

Used Pacific Scientific 3313LL Met One Particle Counter - Particle Counters & Particle Analysis Systems, photo 5

Used Pacific Scientific 3313LL Met One Particle Counter - Particle Counters & Particle Analysis Systems, photo 6

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Used Pacific Scientific 3313LL Met One Particle Counter - Particle Counters & Particle Analysis Systems, photo 8

Used Pacific Scientific 3313LL Met One Particle Counter - Particle Counters & Particle Analysis Systems, photo 9

Used Pacific Scientific 3313LL Met One Particle Counter - Particle Counters & Particle Analysis Systems

used Equipment

Available

Verified seller

Pacific Scientific 3313LL Met One Particle Counter

Name: Pacific Scientific 3313LL Met One Particle Counter
Brand: Pacific Scientific
SKU: 23241.SR11B
Availability: InStock

Price: Contact seller for price

This listing is for a Pacific Scientific 3313LL Met One Particle Counter.

The unit is in full working condition and is ready for immediate release.

Operational & Practical Notes / Behavior

The 3313LL counts particles by passing a laser (or light source) through the sampled air stream; when particles pass through the beam, they scatter light, which is detected by a photodetector.

By having multiple size channels, the instrument can bin the counts into different particle-size ranges (for example:

0.3 µm
0.5 µm
1.0 µm
3.0 µm
5.0 µm
10.0 µm).

It likely offers programmable sampling intervals, hold times, alarm thresholds, etc. (common features in Met One/Met One-type instruments).

Data export via serial is standard, allowing integration with control or data acquisition systems.

Because it’s a relatively high-flow device (1 CFM), it can sample a substantial volume of air (improving statistical confidence in counts).

The stainless steel construction helps with durability, cleanliness, and possibly resistance to corrosion or harsh environments.

As a used / legacy device, calibration, maintenance, and replacement parts (filters, laser, pump, optics) may be important considerations.

Cambridgeshire, United Kingdom

5,773 km away

Model Number

3313LL Met One

Stock Number

23241.SR11B

Machinery Masters View

Typical context for this category of equipment. Always confirm specifics with the seller.

Cleanroom monitoring in pharmaceutical, semiconductor, and medical device manufacturing.
HVAC system performance validation and filter testing.
Environmental air quality assessment in industrial settings.
Research and development requiring precise airborne particle measurement.

Typical flow rate: Commonly 1 CFM (cubic foot per minute) for this class of high-flow particle counters, allowing for efficient sampling.
Particle size channels: Units of this type typically offer multiple channels, such as 0.3 µm, 0.5 µm, 1.0 µm, 3.0 µm, 5.0 µm, and 10.0 µm, for detailed particle distribution analysis.
Detection principle: Utilises laser light scattering for accurate particle detection and counting.
Construction material: Often features stainless steel construction for durability, ease of cleaning, and suitability in controlled environments.
Data output: Typically includes serial data output for integration with external data acquisition or control systems.
Power supply: Commonly operates on standard mains voltage (e.g., 230V AC for UK operation) or internal battery for portability.

Its primary function is to measure and count airborne particles within specified size ranges, crucial for monitoring air quality in controlled environments.

Particle counters and analysis systems are regarded as essential tools for quality assurance and contamination control across pharmaceutical, biotech and food processing sectors. When purchasing used units, buyers should verify calibration history and optical component condition, as these directly affect measurement accuracy. Industry users value their reliability and precision for meeting regulatory compliance standards. Key strengths include consistent performance across batch testing and minimal maintenance requirements when properly maintained.

General overview for this equipment type

Machinery Masters Intelligence. General guidance for this category of equipment only, not a substitute for the seller's exact specifications. Always confirm details with the seller.