or Browse by category
Lab Unlimited UK

Lab Unlimited UK

The Carl Stuart Group was founded in 1984 by Stuart and Gillian Smith. From a small beginning our business has grown to encompass many services and products, covering different market sectors and geographical regions. The focus of our business, however, remains the same. We are a customer orientated company and strive to meet and exceed your expectations in everything we do.

As our portfolio grew we decided to present and promote our product and technical service offerings under distinct brands.  The Laboratory instrumentation, consumables and technical & integration services are promoted under Lab Unlimited.

The Lab Unlimited product portfolio offers laboratory/analytical products from more than four hundred leading manufacturers. A substantial part of this offering is published on this very site. We also produce a printed catalogue that can be requested by emailing us.

Request a Quote

Filter products and services

  1. View all categories
  2. Autoclaves
  3. Balances
  4. Beakers
  5. Bell Jars
  6. Burettes
  7. Centrifuges and Accessories
  8. Chairs and Seating
  9. Chemicals and Reagents
  10. Chromatography
  11. Climatic Chambers
  12. Conductivity Meters
  13. Cryogenic Equipment
  14. Desiccators
  15. Drying Ovens
  16. Ear Protection
  17. Electrophoresis Accessories
  18. Eye Protection
  19. First Aid Equipment
  20. Fume Cabinets
  21. Furnaces
  22. General Purpose Laboratory Ovens
  23. Heating Ovens
  24. Homogenizers
  25. Hot Plates
  26. Humidity Chambers
  27. Incubators
  28. Laboratory Flasks
  29. Laboratory Freezers
  30. Laboratory Fridges
  31. Laboratory Gloves
  32. Laboratory Safety Clothing
  33. Laboratory Thermometers
  34. Magnifiers
  35. Masks and Respirators
  36. Microscope Accessories
  37. Microscopes
  38. Moisture Measurement Devices
  39. Permanent Markers
  40. Petri Dishes
  41. pH Meters
  42. Pipettes
  43. Plasters, Dressings and Tapes
  44. Radiation Protection
  45. Refractometers
  46. Safety Cabinets
  47. Shakers
  48. Spatulas
  49. Spectrometers and accessories
  50. Spill Kits
  51. Stirrers
  52. Stirring Rods
  53. Syringes and Needles
  54. Test Chambers
  55. Test Tube Racks
  56. Test Tubes
  57. Timers
  58. USB Cameras
  59. UV Lamps and Cabinets
  60. Vacuum Drying Ovens
  61. Viscometers
  62. Wash Bottles
  63. Water Baths
Showing 254 of 127,669 Products

  1. Hellma Liquid filter UV25USP 667025USP - General Lab

    Hellma Liquid filter UV25USP 667025USP - General Lab
    • Part code4AJ-6290251
    • ManufacturerHellma
    Liquid filter UV25USP
    Request a Quote Supplied by Lab Unlimited UK

  2. Hellma Sacondary Spectrophotometer 666S000 - UV Cuvettes

    Hellma Sacondary Spectrophotometer 666S000 - UV Cuvettes
    • Part code4AJ-9190973
    • ManufacturerHellma
    Calibration standards
    Request a Quote Supplied by Lab Unlimited UK

  3. Hellma Screw cap, closed 011-601-VE10-734 - General Lab

    Hellma Screw cap, closed 011-601-VE10-734 - General Lab
    • Part code4AJ-6288253
    • ManufacturerHellma
    Screw cap closed with ISO thread GL 14 pack of 10
    Request a Quote Supplied by Lab Unlimited UK

  4. HT Industrial Raman immersion probe BAC101-SS-785-HT B&Wtek 840000905 - Portable Raman Probes

    HT Industrial Raman immersion probe BAC101-SS-785-HT B&Wtek 840000905 - Portable Raman Probes
    • Part codeBW-840000905
    • ManufacturerB&W Tek
    High Throughput Industrial Raman immersion probe with 0.5” O.D. x 8” L 316 stainless steel shaft and a high-precision UV-grade sapphire lens affixed to the end of the shaft using a proprietary epoxy designed for chemical resistance and high temperatures. With 785 nm excitation, Raman cut-off at 150 (cm-1), laser fiber 105 um core FC/PC terminated, Raman fiber 300 um core SMA 905 terminated and Fiber cable length 1.5 m. Main Features: Excellent Long-term Stability Optimized Optical Design Increased Durability High Throughput For unpressurized measurements requiring longer working distances, such as going through glass containers, two additional Kalrez O-ring sealed shafts, RIS100-FS (fused silica window) and RIS100-SA (sapphire window) can be used in place SS type shafts. Other design available with 532 nm excitation portable Raman instruments.
    Request a Quote Supplied by Lab Unlimited UK

  5. HT Lab grade fiberoptic Raman probe BAC102-1064-HT B&Wtek 840000909 - Portable Raman Probes

    HT Lab grade fiberoptic Raman probe BAC102-1064-HT B&Wtek 840000909 - Portable Raman Probes
    • Part codeBW-840000909
    • ManufacturerB&W Tek
    High Throughput Lab grade fiberoptic Raman probe with trigger function, designed for versatility in making Raman measurements. This probe assembly with hand trigger features: 105um diameter, 0.22NA fiber for 1064 nm excitation, 300um diameter, 0.22NA for Raman pickup, optical density >6, down to 100 (cm-1), 1.5 m fiber length terminated in SMA905 on the spectrometer end and FC/PC on the laser end. The probe can be brought directly to the sample and make contact with either the sample or the packaging of the sample via a detachable distance regulator that ensures proper focusing while minimizing contamination to the lens material. The trigger button provides the convenience of initiating measurement from the probe head. Main Features: Adhesive sealed quartz window for non-contact sampling 5.4 mm working distance Not for immersive use Optimized Optical Design Hand Trigger for Data Acquisition High Throughput Excellent Long-term Stability Distance Regulator Different versions of the probe with varying optical lenses allow for measurements down to 65cm-1 Raman shift. The standard fiber length of 1.5m includes flexible fiber coupling, internal support and durable protective PVC jacket with standard SMA 905 (collection) and FC/PC (excitation) terminations. The standard shaft is 304SS with a flat quartz window and spot size of 85um. Custom probes can be constructed with dimensions, material and working distance to suit your application needs.
    Request a Quote Supplied by Lab Unlimited UK

  6. HT Lab grade fiberoptic Raman probe BAC102-532-HT B&Wtek 840000907 - Portable Raman Probes

    HT Lab grade fiberoptic Raman probe BAC102-532-HT B&Wtek 840000907 - Portable Raman Probes
    • Part codeBW-840000907
    • ManufacturerB&W Tek
    High Throughput Lab grade fiberoptic Raman probe with trigger function, designed for versatility in making Raman measurements. This probe assembly with hand trigger features: 105um diameter, 0.22NA fiber for 532 nm excitation, 300um diameter, 0.22NA for Raman pickup, optical density >6, down to 150 (cm-1), 1.5 m fiber length terminated in SMA905 on the spectrometer end and FC/PC on the laser end. The probe can be brought directly to the sample and make contact with either the sample or the packaging of the sample via a detachable distance regulator that ensures proper focusing while minimizing contamination to the lens material. The trigger button provides the convenience of initiating measurement from the probe head. Main Features: Adhesive sealed quartz window for non-contact sampling 5.4 mm working distance Not for immersive use Optimized Optical Design Hand Trigger for Data Acquisition High Throughput Excellent Long-term Stability Distance Regulator Different versions of the probe with varying optical lenses allow for measurements down to 65cm-1 Raman shift. The standard fiber length of 1.5m includes flexible fiber coupling, internal support and durable protective PVC jacket with standard SMA 905 (collection) and FC/PC (excitation) terminations. The standard shaft is 304SS with a flat quartz window and spot size of 85um. Custom probes can be constructed with dimensions, material and working distance to suit your application needs.
    Request a Quote Supplied by Lab Unlimited UK

  7. HT Lab grade fiberoptic Raman probe BAC102-785-HT B&Wtek 840000908 - Portable Raman Probes

    HT Lab grade fiberoptic Raman probe BAC102-785-HT B&Wtek 840000908 - Portable Raman Probes
    • Part codeBW-840000908
    • ManufacturerB&W Tek
    High Throughput Lab grade fiberoptic Raman probe with trigger function, designed for versatility in making Raman measurements. This probe assembly with hand trigger features: 105um diameter, 0.22NA fiber for 785 nm excitation, 300um diameter, 0.22NA for Raman pickup, optical density >6, down to 150 (cm-1), 1.5 m fiber length terminated in SMA905 on the spectrometer end and FC/PC on the laser end. The probe can be brought directly to the sample and make contact with either the sample or the packaging of the sample via a detachable distance regulator that ensures proper focusing while minimizing contamination to the lens material. The trigger button provides the convenience of initiating measurement from the probe head. Main Features: Adhesive sealed quartz window for non-contact sampling 5.4 mm working distance Not for immersive use Optimized Optical Design Hand Trigger for Data Acquisition High Throughput Excellent Long-term Stability Distance Regulator Different versions of the probe with varying optical lenses allow for measurements down to 65cm-1 Raman shift. The standard fiber length of 1.5m includes flexible fiber coupling, internal support and durable protective PVC jacket with standard SMA 905 (collection) and FC/PC (excitation) terminations. The standard shaft is 304SS with a flat quartz window and spot size of 85um. Custom probes can be constructed with dimensions, material and working distance to suit your application needs.
    Request a Quote Supplied by Lab Unlimited UK

  8. Immersion Probe 30.5 cm (12 inch) NR2-IMP B&Wtek 840000347 - NanoRam Accessories

    Immersion Probe 30.5 cm (12 inch) NR2-IMP B&Wtek 840000347 - NanoRam Accessories
    • Part codeBW-840000347
    • ManufacturerB&W Tek
    This stainless steel and quartz lens Immersion Probe is 30.5 cm (12 inch) length. It allows for in situ measurements of liquids and powders, as well as measurements of larger containers only accessible from the top.
    Request a Quote Supplied by Lab Unlimited UK

  9. Industrial Raman immersion probe BAC101-HS-532 B&Wtek 840000607 - Portable Raman Probes

    Industrial Raman immersion probe BAC101-HS-532 B&Wtek 840000607 - Portable Raman Probes
    • Part codeBW-840000607
    • ManufacturerB&W Tek
    Industrial Raman immersion probe with 0.5” O.D. x 8” L, Hastelloy C276 shaft and sapphire optics added onto the Hastelloy using gold-based compression sealing. This provides a very wide temperature range with exceptional chemical resistance for more demanding environments. The short working distance of this design means the probe tip can be immersed in liquids, slurries, powders, or directly contact solids, yielding highly reproducible results. With 532 nm excitation, Raman cut-off at 150 (cm-1), laser fiber 105 um core FC/PC terminated, Raman fiber 200 um core SMA 905 terminated and Fiber cable length 1.5 m. Main Features: Excellent Long-term Stability Optimized Optical Design Increased Durability High Throughput For unpressurized measurements requiring longer working distances, such as going through glass containers, two additional Kalrez O-ring sealed shafts, RIS100-FS (fused silica window) and RIS100-SA (sapphire window) can be used in place HS type shafts. Other design available with 785 nm excitation portable Raman instruments.
    Request a Quote Supplied by Lab Unlimited UK

  10. Industrial Raman immersion probe BAC101-HS-785 B&Wtek 840000605 - Portable Raman Probes

    Industrial Raman immersion probe BAC101-HS-785 B&Wtek 840000605 - Portable Raman Probes
    • Part codeBW-840000605
    • ManufacturerB&W Tek
    Industrial Raman immersion probe with 0.5” O.D. x 8” L, Hastelloy C276 shaft and sapphire optics added onto the Hastelloy using gold-based compression sealing. This provides a very wide temperature range with exceptional chemical resistance for more demanding environments. The short working distance of this design means the probe tip can be immersed in liquids, slurries, powders, or directly contact solids, yielding highly reproducible results. With 785 nm excitation, Raman cut-off at 150 (cm-1), laser fiber 105 um core FC/PC terminated, Raman fiber 200 um core SMA 905 terminated and Fiber cable length 1.5 m. Main Features: Excellent Long-term Stability Optimized Optical Design Increased Durability High Throughput For unpressurized measurements requiring longer working distances, such as going through glass containers, two additional Kalrez O-ring sealed shafts, RIS100-FS (fused silica window) and RIS100-SA (sapphire window) can be used in place HS type shafts. Other design available with 532 nm excitation portable Raman instruments.
    Request a Quote Supplied by Lab Unlimited UK