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Micromeritics TriStar II Plus

UsedMicromeriticsProcess analysersNetherlands
Procurable

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Footprint
0.3 m²
Throughput
3 BET surface area measurements in under 20 minutes
Accuracy
Within 0.1% of full scale
Resolution
0.05 mmHg
Operating Temperature Range
10 to 35 °C
Availability
Procurable
Lead time
Confirmed with your quote
All 29 specifications
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Specifications 29

Brands
Micromeritics
New/Used
Used
Dimensions
740 mm (H) x 400 mm (W) x 510 mm (D)
Weight
37 kg
Footprint
0.3 m²
Throughput
3 BET surface area measurements in under 20 minutes
Accuracy
Within 0.1% of full scale
Resolution
0.05 mmHg
Operating Temperature Range
10 to 35 °C
Non-Operating Temperature Range
0 to 50 °C
Operating Humidity Range
20 to 80% relative, non-condensing
Operating Pressure Limits
Up to 2000 m altitude
Power Supply
100-240V AC
Power Consumption
150 VA maximum
Frequency
50/60 Hz
Overvoltage Category
II
Sample Volume Capacity
Up to 300 cm³ STP per port
Compatible Adsorptive Gases
Nitrogen, argon, carbon dioxide, butane, methane, other non-corrosive gases
Specific Surface Area Measurement Range
From 0.01 m²/g (nitrogen unit), from 0.001 m²/g (krypton unit)
Total Surface Area Measurement Range
From 0.1 m² (nitrogen unit), from 0.01 m² (krypton unit)
Pore Volume Measurement Range
From 4 × 10⁻⁶ cm³/g
Dewar Duration
Up to 40 hours
Gas Consumption per Port
Up to 300 cm³ STP
Manifold Temperature Accuracy
±0.25 °C
Manifold Temperature Resolution
0.1 °C
Vacuum System Requirement (Nitrogen Unit)
Must accommodate 20 × 10⁻³ mmHg or better; uses oil-based or oil-free vacuum pump
Vacuum System Requirement (Krypton Unit)
Must accommodate 1 × 10⁻³ mmHg; oil-free vacuum pump required
Availability
Procurable
Lead time
Confirmed with your quote

Product description

Automated analyser with three independent BET stations for rapid, accurate surface area and porosity measurements.

The Micromeritics TriStar II Plus is a fully automated surface area and porosity analyser designed to deliver rapid, high-throughput analyses with exceptional accuracy. Its three-station configuration enhances the efficiency of routine quality control processes while maintaining the precision required for advanced research applications. This instrument is particularly valuable in the biotechnology sector, where understanding material surface characteristics is crucial for applications such as bioprocessing, biomanufacturing, and molecular diagnostics.

Key features include:

  • Simultaneous, independent operation of three analysis ports, enabling three BET surface area measurements in under 20 minutes, thereby maximising laboratory throughput.
  • Unique analysis manifold design for highly accurate gas management, ensuring reliable and reproducible results.
  • Dedicated P₀ port for continuous measurement of saturation pressure, offering flexibility in controlling analysis speed and accuracy.
  • Isothermal jackets that maintain a constant thermal profile along sample and saturation pressure tubes, enhancing measurement stability.
  • Dewar design providing over 40 hours of continuous temperature control, facilitating extended analyses without interruption.

The TriStar II Plus is widely utilised in various scientific fields, including pharmaceuticals, catalysis, nanotechnology, and materials science. Its applications are particularly pertinent in biotechnology, where precise surface area and porosity measurements are essential for developing and optimising materials used in bioprocessing and biomanufacturing. Commonly employed in university laboratories, biomedical research centres, and industrial R&D facilities, this analyser supports both academic and commercial research endeavours.

First introduced in the early 2000s, the TriStar II Plus remains a relevant and widely adopted instrument in laboratories worldwide, reflecting its enduring reliability and performance.

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Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Last updated 6 November 2026