Triathler LSC

For liquid scintillation counting

Triathler LSC is a single-sample counter, which provides fast and accurate results for several life science and environmental applications. The Triathler LSC model is for the detection of all alpha and beta radionuclides. For those who are interested in including gamma radionuclides, the Triathler Multilabel Tester model is a suitable option.

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Product Models

Triathler LSC

For liquid scintillation counting

Portable liquid scintillation counter

  • Portable
  • Flexible
  • Easy-to-use
  • Small size and weight make Triathler ideal for personal use on a benchtop or for on-the-spot field/sea measurements.
  • A keypad allows single key operation for immediate results using preset protocols for any isotope.

All-in-one Liquid Scintillation Counter, Gamma Countern and Luminometer

Triathler has been thoroughly tested and proven under extreme conditions. More than 1500 units have been delivered and they are used in all kinds of laboratories and in some of the planet's most demanding environments — in the desert and jungle, as well as on ocean-going vessels and oil platforms.

Ideal for:

  • Homeland Security

  • Radiation Safety

  • Wipe Tests

  • Life Sciences

  • Molecular Biology

  • Ecology

  • Environmental Testing

Triathler is suitable for just about any beta radiation, gamma radiation or luminescence application and accepts most types of vials and sample formats.

A multitude of possibilities

Get instant results whenever and wherever with this compact and portable counting system.

Triathler in monitoring

  • Wipe Tests - Triathler provides fastand reliable results for regulatory wipe tests in lab areas.

  • Water Measurements - Triathler has optional alpha-beta separation capabilities which makes it ideal to detect alpha-beta isotopes like Radon (222Rn) in water.

  • Soil Measurements - With proper extraction techniques, Triathler can be used to measure soil samples for contamination with just about any radioisotope

Triathler in life sciences

  • Molecular Biology - Triathler is well suited for metabolic studies, genetic studies, cell proliferation assays, receptor-ligand assays, and other applications in biosciences. For example, using the optional plastic scintillator adapter, 32P can be measured non-destructively (without cocktail).

  • Marine Biology - Triathler is commonly used to measure growth of phytoplankton in seawater and lakes by measuring uptake of 14C.

  • Research - Triathler is ideal as an easy-to-use diagnostic tool in research for detection of beta and gamma isotopes, such as 3H, 14C and 125I.

  • Luminescence - Triathler can be used as a high sensitivity luminometer for both glow and flash type assays, such as ATP monitoring, luciferase, and bacterial measurements. An optional reagent detector is available for more demanding applications, such as kinetic measurements.

Advanced technologies

Triathler has advanced features such as a built-in multichannel analyzer and optional alpha-beta separation electronics. With the unique 2-dimensional plot, optimizing alpha beta separation is easy and straightforward. It provides visual proof of the separation and yields superior minimum detectable activities for alpha emitters.


Optional Commfiler CSV software provides instrument control and analysis tools with easy reporting templates compatible with Excel™ environment.

Technical Specifications

Sample types LSC vials, Microtubes, Test Tubes
Detector Single-Photon Counting PMT
Display 2 x 16 character alpha-numeric LCD
Energy Range 2 keV – 2000 keV
Counting Time 0.1 seconds – 99999 minutes
Output RS-232C to PC or thermal printer
Power 110-240V AC, 12V DC
Dimensions 33 L x 25 W x 19 H cm
Weight  9 kg

Liquid Scintillation Counting

Sample size LSC Vials, Microtubes, Test Tubes
Max. Count Rate 2,000,000 CPM
Beta Efficiency up to 48% for 3H
Direct 32P Efficiency up to 75% in Plastic Scintillator Adapter Tube

Gamma Counting

Detector 32 x 32 mm NaI (Tl) crystal (through-hole)
Sample size  Tubes or Vials (up to 13 mm diameter)
Background Shield 10 mm lead

Luminescence Counting

Sample size LSC Vials, Microtubes, Test Tubes
Max. Count Rate 30,000,000 CPS
Luminescence sensitivity < 10 amol ATP/vial

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