the product

Sisma’s internationally renowned manual desktop laser welders integrate the latest technologies with high efficiency and optimal output. No matter if you are a single operator, or a production facility, Sisma has a welder to suit your application.

Sisma LM-DT

Key Features

Invest in tomorrow's technology today. Sisma, with Gesswein, combining ove 150 years of excellence and performance; ready to work for you.

Smart Spot Technology

For sustained weld quality at high repititions

Smart Controls

Internal mouse controls for easy in adjustment of parameters.

Safety First

Welding chamber has a high power fume extractor with durable HEPA filter

Ease of Use

Hinged hood system for easy of opening the machine.

Designed For You

250 customizable programs right out the box.

Efficient

40% increased cooling capacity over previous models.

Our Collections

Six models are available, each covering a wide range of features and unique abilities.

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LM-D Ready

150 and 180 Joule Configurations

LM-D Scope

180 and 210 Joule Configurations

LM-D Vision

180 and 210 Joule Configurations

LM-DT Dual

180 and 210 Joule Configurations

LM-D Lynx

180 and 210 Joule Configurations

250 Series

LM 250 and LM-T 250

Tech Specs

Need more info? Please have a look at the tech specs of the welders.

Model: LM-D Ready
150 / 180
LM-D Scope
180 / 210
LM-D Vision
180 / 210
LM-DT Dual
180 / 210
LYNX
180 / 210
LM-250
LM / LM-T
Item #: 830-1580 / 830-1581 830-1582 / 830-1584 830-1583 / 830-1585 830-1890 / 830-1891 830-1961 / 830-1965 830-1980 / 830-1985
Source Type: Nd: YAG (Lamp) Nd: YAG (Lamp) Nd: YAG (Lamp) Nd: YAG (Lamp) Nd: YAG (Lamp) Nd: YAG (Lamp)
Wavelength: 1064nm 1064nm 1064nm 1064nm 1064nm 1064nm
Laser Power: 60W / 80W 80W / 85W 80W / 85W 80W / 85W 80W / 85W 100W / 100W
Pulse Duration: 0.3-20ms 0.3-20ms 0.3-20ms 0.3-20ms 0.3-20ms 0.3-23ms
Pulse Frequency: 0-50Hz 0-50Hz 0-50Hz 0-50Hz 0-50Hz 0-50Hz
Max Peak Power: 7.5kW / 9kW 9kW / 10.5kW 9kW / 10.5kW 9kW / 10.5kW 9kW / 10.5kW 11kW / 11kW
Max Pulse Energy: 150J / 180J 180J / 210J 180J / 210J 180J / 210J 180J / 210J 250J / 250J
Spot Diameter: 0.2/2mm 0.2/2mm (0.1mm Opt) 0.2/2mm (0.1mm Opt) 0.2/2mm (0.1mm Opt) 0.2/2mm 0.1/2mm
Smart Spot Tech:
Eco Mode:
FPS (First Pulse Suppression):
DisplayPort: /
Power Supply: 230V, +/- 10%, 50/60Hz 230V, +/- 10%, 50/60Hz 230V, +/- 10%, 50/60Hz 230V, +/- 10%, 50/60Hz 230V, +/- 10%, 50/60Hz 230V, +/- 10%, 50/60Hz
Dimensions (L x W x H): 22.5" x 29.5" x 20.1"
(567 x 744.5 x 512mm)
22.5" x 28.75" x 20"
(567 x 730 x 510mm)
22.5" x 28.75" x 24"
(567 x 730 x 612mm)
22.5" x 28.75" x 24"
(567 x 730 x 612mm)
22.5" x 33" x 28"
(567 x 840 x 710mm)

43" x 34.5" x 54"
(1094 x 878 x 1363mm)

Weight: 132 lbs. (60kg) 132 lbs. (60kg) 132 lbs. (60kg) 132 lbs. (60kg) 132 lbs. (60kg) 341.71 lbs. (155kg)
Crated Weight: 200 lbs. (91kg) 200 lbs. (91kg) 200 lbs. (91kg) 200 lbs. (98kg) 200 lbs. (60kg) 450 lbs.
(205kg)
Warranty: 2 Year (Flash Lamp Included) 2 Year (Flash Lamp Included) 2 Year (Flash Lamp Included) 2 Year (Flash Lamp Included) 2 Year (Flash Lamp Included) 2 Year (Flash Lamp Included)

Meet the Team

Gesswein service professionals are ready to give you the support you need. Helping to choose the right laser, providing training on your new laser, or servicing your existing Sisma laser – we’ve got you covered! Our team has received extensive training direct from Sisma covering sales, installation, training, and technical service. We are ready to jump into action – either remotely or in person.

With our knowledge of Jewelry Manufacturing & Repair, we understand how critical it is to keep your laser welder running smooth with minimal downtime. If you have any questions or needs, just reach out to Adam or Chris, and they’ll be delighted to talk with you.

Adam Kasson

Adam Kasson

Sisma Laser Sales

203.366.5400 x204
akasson@gesswein.com

Chris Chaffin

Chris Chaffin

Laser Technician

203.366.5400 x234
cchaffin@gesswein.com

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Sisma Laser Welders

6 Models Available

LM-D Ready, LM-D Scope, LM-D Vision, LM-DT Dual, LM-D Lynx, 250 Series

Call for Pricing

Sisma’s internationally renowned manual desktop laser welders integrate the latest technologies with high efficiency and optimal output. No matter if you are a single operator, or a production facility, Sisma has a welder to suit your application.