DOT-LEM35 Laser Engraving System

With the DOT-LEM35 Laser Engraving Machine, Laser engraving, Laser cutting and Laser marking has evolved from a difficult process to an easy task. Just Plug and Go!


Easy to Operate

Whether you want to engrave, cut or mark, the DOT-LEM35 is
easy to use, precise, fast and reliable and is ideal for an expert
engraver or a first time user.

Easy to Install

The DOT-LEM35 comes supplied as a complete, ready to use package.
You simply unpack it, follow the installation instructions and start engraving.

DOTcard system printer

Easy to Use

The DOT-LEM35 is supplied with a laptop pre-loaded with the printer driver and both DOTlabel Software and the Graphic Engraving Software. The pre-formatted templates of DOTlabel Software and the user-friendly functions of the Graphic Engraving Software make the production of signs and labels both simple and fast.

Easy to Maintain

The DOT-LEM35 was designed with ease of maintenance in mind and the optics and worktable can be removed for cleaning and reinstalled quickly and easily.

Standard Features

Warranty – The DOT-LEM35 is supplied with an 18 month manufacturer’s warranty as standard.

Auto Focus – Working in conjunction with the focusing lens, this “auto focus” function automatically positions the engraving table to the proper standoff position.

Red Laser Pointer – The actual lasing beam is invisible, so the DOT-LEM35 comes equipped with a visible “red dot” pointer for quick and easy positional alignment.

LCD Control Panel – Easy to understand instructions and ergonomically designed LCD Control Panel enhances efficiencies and productivity.

Optional Accessories

  • Integrated and various independent exhaust systems
  • Alternate lenses (1.5, 2.5, 3.5, 4” focal length)
  • Honeycomb cutting table
  • Floating pin table h=30mm (1.18″)
  • Integrated compressor for air assist
  • Rotary device to engrave round parts, maximum diameter 130mm (5.1″)

Technical Specifications

Engraving Area 460mm x 305mm (18″ x 12″)
Z-axis Travel 145mm (5.71″)
Engraving Speed 2.540 mm/s
Motor Precision digital micro-stepper motor
Power Range 35 Watts
Dimensions (W x H x D) 760mm x 440mm x 725mm (30″ x 18″ x 29″)
Weight 43kg
Interface Hardware USB
Operating Systems Windows NT, 2000, XP, Vista, 7 and 8
Laser Tube Sealed off CO² laser
Laser Power Adjustable from 0 – 100%
Wavelength CO² laser source 10.6µm
Safety CDRH Class 2 (EN60825) & CE compliant
Energy and Power Supply 100V – 240V AC supply
Recommended Fuses 16A (240V) or 15A (100V)
Ambient Temperature +15°C to +25°C or 59°F to 77°F
Humidity 40% to max 70% not condensing

Additional Information

DOTgroup International are able to offer a comprehensive range of alternative Laser Engraving Machines with Engraving Area’s up to 610mm x 610mm and Power Range variations from 35 watts up to 80 watts. Please contact us for further information and a quotation.

DOT-LEM35 Laser Fume Extraction System

The DOT-LEM35 laser fume extraction and purification system has been designed as a low cost, yet fully comprehensive unit. This compact and extremely quiet system is ideal for use in sign making workshops, industrial environments and light laser coding applications.

Pre Filter

The pre filter used in the DOT-LEM35 has an efficiency of 95%. This offers maximum protection for the more expensive combined HEPA and gas filter.

HEPA Filter

All HEPA filters are manufactured by specialist filter companies to our specification. This ensures that the latest manufacturing and testing techniques are used. Each filter incorporates a series of bonded webbing between the pleats. This feature not only guarantees even spacing between each pleat, but also alleviates the possibility of airflow vibration or collapse. Filters are individually tested and certified to a minimum efficiency of 99.997% down to 0.3 microns and 95% as small as 0.1 microns. Test certificates are available on request.

DOT-LEM35 Laser Fume Extraction System

Chemical / Gas Filter

The standard chemical filter contains a multi-purpose media to give protection against a range of volatile organic compounds generated when lasering polymers (plastics) and other organic materials.

Filter Replacement

Filters can be replaced quickly, with ease and safety. Each new filter comes with a resilient neoprene gasket fitted. This ensures that there is no filter bypass caused through reusing existing potentially torn or perished built in seals.

Unit & Filter Monitoring System

Each unit is fitted with a continuous monitoring system of 3 coloured LED’s, which tell the user of the condition of filters within the system. Green indicates that the filters are clean, amber when filters are getting close to replacement and red when the filters are blocked and requiring changing. The green LED also indicates that the unit is running and all 3 LED’s will flash if there is a fault within the system.

Unit Specifications


  • Manufactured in powder coated mild steel

Standard Filter Set

  • Pre-filter 95% efficiency at 0.8 micron
  • Activated Carbon Gas / Chemical filter


  • 230v 50/60Hz or 110v 50/60Hz
  • 3m hard wired power cable
  • Illuminated On/Off switch
  • Full load current amps
Standard Equipment

  • 3 year warranty
  • Integral silencer
  • Weight 35 kg
  • Unit and filter monitoring system
  • Standard filter set

Blower / Pump

  • 30,000 hours life
  • 400m3/h
  • 0.35kw output
  • Brushless motor

DOT-LEM35 Laptop

With every DOT-LEM35 Laser Engraving System purchased from DOTgroup International a laptop pre-loaded with the printer driver and both DOTlabel Software and the Graphic Engraving Software ready to ‘Plug and Go’ is supplied as part of the package. The pre-formatted templates of DOTlabel Software and the user-friendly functions of the Graphic Engraving Software make the production of signs and labels both simple and fast.

View Our Other Printers, Accessories & Consumables

DOTcard System Printers

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DOT-FCM / DOTshrink System Printer

DOT-FCM / DOTshrink System Printer

DOT-PHP Portable Heatshrink Printer

DOT-PHP Portable Heatshrink Printer

DOT-SFC Slim Fix Clip Printer

Cable Marking

DOTcard cable marking

DOTcard Cable Markers

 DOT-FCM Flexible Cable Markers

DOT-FCM Flexible Cable Markers

DOT-SSCM Stainless Steel Cable Markers

DOT-SSCM Stainless Steel Cable Markers

DOT Manual Cable Markers

DOT Manual Cable Markers

DOT Manual Cable Markers

DOTwrap4x2 Wraparound Labels

Core Identification

DOTcard Core Indents

DOTcard Core Idents

DOTshrink Heatshrink Tubing

DOTshrink Heatshrink Tubing

DOT-PHC Portable Heatshrink Cartridge

DOT-PHC Portable Heatshrink Cartridge

DOT-PA Chevron Cut Manual Markers

DOT Manual Core Idents

DOT-SFC Slim Fix Clips

DOT-SFC Slim Fix Clips

Engraved Labels

Stainless Steel Cable Markers, Flexible Engraved Labels, Rigid Engraving Laminate Label, Bespoke Engraved Labels & Signs.

Cable Ties & Cable Straps

DOT-NCT Nylon Cable Ties

DOT Nylon Cable Ties

DOT Coloured Nylon Cable Ties

DOT Coloured Nylon Cable Ties

DOT Stainless Steel Cable Ties

DOT-SSCT Stainless Steel Cable Ties

DOT-SSCS Stainless Steel Cable Strap

DOT-SSCS Stainless Steel Cable Strap

DOT-CSCS Cable Strap Cushion Sleeve

DOT-CSCS Cable Strap Cushion Sleeve

Heavy-Duty Pipeline Identification Tape

Product Overview

The DOT-heavy-duty Pipeline Identification Tape is exactly as its name suggests, heavy-duty, long-lasting tape, which is designed and manufactured to endure arduous conditions. The industry was calling out for a product, which could not only stand up to the extreme weather conditions of the North Sea, but also have a temperature performance capable of performing in diverse climatic variations worldwide.

The outdoor heavy-duty Pipeline Identification Tape has been accepted into the industry as clients found the existing products available i.e. PVC tapes and tape machines, were unable to compete with the performance and life expectancy of this product. The product is factory made to order and can be supplied in various formats. The format takes into account two very important factors, safety and installation.


The format has continuous arrows and reverse wording and British Standard or RALcolouring. This enables the Pipeline Identification Tape to be seen and read from whatever direction you look at the pipe work. For overseas projects this also has proved successful, as we are able to print dual languages on the same heavy-duty tape.



The other advantage of having continuous arrows and wording is the time and labour saved on installation time. This is achieved by not having to line up the directional arrows and wording, and having to cut the tape at a certain length to not overlap and distort the existing wording. With our heavy-duty Pipeline Identification Tape manufactured with the wording, arrows, colours and backing sheet all on one roll, these problems do not occur, and installation is fast, precise, clear and above all, safe.



The DOT-heavy-duty Pipeline Identification Tape has considerable advantages over other forms of marking process pipe work. Detailed below are some of the benefits that can be achieved by using the product.

Low Chloride Level’s – from experience we found that this is a very important issue and a huge benefit to you the client. The product does not affect stainless steel, causing no corrosion etc, and it can be applied directly onto the pipe work, which means that the product is flat to the surface and there will be no build up of salt or dirt under the identification tape. In the long term this means that the maintenance of this product is minimal when compared to a banded or snap on product.

Backing Sheet – ideal when applying to narrow pipe work, this saves time on installation as the product can be slid in between the pipes without adhering, so can be cut to the required length and then applied simply and quickly.

Temperature Performance – minus 40°C to +150°C (minus 40° to +300°F) so works well in either extreme cold or hot environments.

Dual Language – the product can be supplied in any language or a mixture of two languages, which is ideal for locations where English is not the first spoken language.

Water, Chemical and Humidity Resistant – tape not affected by Oil, Petroleum, Detergent / Water, Sulphuric Acid, Bleach / Water, Washer Solution and Ethylene Glyco / Water.

High Strength Acrylic Adhesive – provides permanence, high adhesion to metals, plastics and painted surfaces, excellent long-term ageing and resists flagging and edge-lifting on flat or curved smooth surfaces.


General Purpose Pipeline Identification Tape

Please contact us for further information on the range of general purpose tape available.

Fire, Safety & General Warning Signs

Below is a selection of our Fire, Safety, Hazardous Area & General Warning Signs.
Fire, Safety & General Warning Signs Example 2
Fire, Safety & General Warning Signs Examples 1