What is the typical accuracy of a particle counter like this?

Particle counters of this type are designed for high accuracy in counting and sizing airborne particles. Regular calibration is essential to maintain specified performance.

Can this unit be integrated into a larger monitoring system?

Yes, units with serial data export capabilities are typically designed for integration with Building Management Systems (BMS) or other data acquisition platforms.

What maintenance is typically required for a used particle counter?

Maintenance commonly involves routine filter changes, periodic calibration, and potential replacement of wear parts such as the laser or pump. Buyers should inquire about the unit's service history.

Is this suitable for continuous monitoring?

Many particle counters in this category are designed for both spot-checking and continuous monitoring applications, particularly in controlled environments. Its high flow rate supports this.

What environmental conditions are suitable for operating this equipment?

These instruments are typically designed for use in controlled indoor environments, often specified for a particular temperature and humidity range to ensure optimal performance and longevity.

used Equipment

Available

Verified seller

Pacific Scientific - 3313LL Met One Particle Counter

Name: 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

5,791 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.

Applications & Use Cases

Cleanroom monitoring in pharmaceutical manufacturing and semiconductor fabrication.
Environmental air quality assessment and indoor air pollution studies.
Filter testing and validation for HVAC systems and personal protective equipment.
Research and development in aerosol science and material contamination control.

Typical Specifications

Typical flow rate: Commonly 1 CFM (cubic foot per minute) for this class of equipment, allowing for efficient sampling.
Particle size channels: Typically offers multiple channels, for example, 0.3 µm, 0.5 µm, 1.0 µm, 3.0 µm, 5.0 µm, 10.0 µm, for detailed particle distribution analysis.
Detection principle: Utilises laser or light scattering for accurate particle counting.
Construction material: Units of this type often feature stainless steel construction for durability, ease of cleaning, and suitability for controlled environments.
Data output: Commonly includes serial data export (e.g., RS-232) for integration with external systems.
Power supply: Typically operates on standard mains power, often 230V AC for UK usage, with internal battery options for portability.
Programmable features: Frequently includes programmable sampling intervals, hold times, and alarm thresholds.

Frequently Asked Questions

Particle counters of this type are designed for high accuracy in counting and sizing airborne particles. Regular calibration is essential to maintain specified performance.

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.