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Diacell® µScopeDAC-RT(G)

Raman and FTIR µSpectroscopy,  Pmax = 50 GPa, T = 300 K, WD = 9 mm, A = 52°

Diacell® μScopeDAC Series

  • Maximum pressures of up to above 50 GPa are obtained with the Diacell® μScopeDAC-RT(G)
  • Fitted with type IIas ultra-low fluorescence & ultra-low birefringence diamond anvils the cell is ideal for Infrared and Raman microscopic sample analysis
  • The Diacell® μScopeDAC-RT(G) is symmetrical in relation to the sample and 18 mm thick, which means that the working distance is just 9 mm
  • Being gas membrane driven means that the pressure within the cell can be changed whilst the sample is mounted in the microscope stage

SKU: A64000

For more info, quotation or call: Contact us


This versatile Diacell® μScopeDAC-RT(G) meets the growing need to reach very high pressures and be compatible with the optical and physical constraints of microscopes.

The Diacell® μScopeDAC-RT(G) is just 18 mm thick along the optical axis and is symmetrical about the sample. Thus, the physical distance from the objective to the sample between the diamond anvils is only 9 mm. This makes the Diacell® μScope DAC-RT(G) compatible with most, if not all, commercial Raman and FTIR systems.


A large and increasing percentage of optical and spectroscopic observations is now made using microscopes. In particular, Raman instruments are commonly sold with integral microscopes to enable efficient scattered light collection, as well as to permit Raman mapping of complex samples. Similarly, FTIR spectrometers are often supplied with reflecting (Cassegrain) microscopes. Diacell® μScopeDAC-RT(G) is ideal for such applications.


Cell Material AISI 440C
Anvil Support Plate Tungsten Carbide
Pressure Mechanism Gas Membrane
Maximum Pressure 50 GPa
Temperature Range 300 K
Top Angle Conical 52º
Bottom Angle Conical 52º
Lateral Access N/A
Heating N/A
Cooling Cold Air
DAC Diameter 50 mm
DAC Height 18 mm
Working Distance to Sample 9 mm
Numerical Aperture 0.44
DAC Weight 200 g

Maximum pressure is dependent upon the culet size of the anvils. Almax easyLab is committed to its policy of continuous improvement. Specifications may change without notice. easyLab and Diacell are registered trademarks of Almax easyLab.


We have compiled a series of technical documents (brochures, articles, technical drawings, …) which you might find useful to help you understand this product better.

Technical documentation

Brochure uScopeDAC-RTG

Technical Drawing

Please contact us for further details on the engineering drawings.


2023 – Szymczak, Maja et al. – Temperature invariant ratiometric luminescence manometer based on Cr3+ ions emission


Spares, Accessories and Options

Our diamond anvil cells are aligned and mechanically tested before leaving our factory on their way to your laboratory.

They also come supplied with the required basic tooling, including gasket blanks, to use them. All is contained in the transportation casing to move around laboratories easily.

Below you can find some of the accessories and spares you might also consider. If you cannot find what you need, please do not hesitate to contact our team.

Diamond Anvils
2.5 mm Diacell® design diamond anvils
Product code: [P00131]
Diamond anvils rings
Anvils rings suitable for the μScopeDAC-HT(G)
Product code: [M50004]
Anvil Support Plate
Tungsten carbide seat with 52° opening angle
Product code: [P00126]
Gas Membrane
Gas membrane suitable for the Diacell® μScopeDAC-RT(G)
Product code: [A76010]
Gasket Blanks
10 mm diameter / 0.25 mm thick Stainless Steel gasket blanks
Product code: [P00113]


What is the maximum pressure I can achieve with the µScopeDAC-RT(G) and a given culet size?

Culet size (µm) 200 300 400 500 600 800 1000
Pmax (GPa) (*) N/A 74 48 31 21 12 8

(*) The Pmax values are only indicative. The maximum pressure achievable with a DAC is influenced by many others experimental parameters, like the gasket characteristics (material, thickness and hole size) or the pressure transmitting medium.


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