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Manufacturer of wireless weighing systems and crane safety equipment – now ISO-9001

A market leader utilizing innovative product designs, providing users with maximum product flexibility for a broad cross section of industries and applications. Our wireless product line includes:

GS550 Display as a Rated Capacity Indicator (Safe Load Indicator SLI)
GS550 Display in stainless steel - ATEX and class 1 division 2 certified
GS820 graphical display

Anti-Two Block Switches - transmitter in the weight
Wind Speed                                        Contact Us
Wireless Angle Sensor
Wireless Load Cells      Wireless Wind speed for fountains
Wireless Load Pins 

Industrial Wireless Transmitters (smart radio sensors) 

Rated Capacity Indicator Systems - RCI


Click here: to access the main LSI web site


Welcome to Load Systems International Inc Manufacturing and R&D web site

Consult the web site for Safe Load Indicator, Rated Capacity Indicator, Load Moment Indicator, Crane safety equipment, Pipelayer LMI,
radio load cells, wireless angle sensor, radio load pin, wireless ATEX wind speed sensors (ATEX anemometers),
CSA class 1 div 1 load cells, class 1 div 1 angle sensors, intrinsically safe sensors, angle dual axis sensors, ATEX load cells, etc…
ATEX certificates are valid for zone 0 and zone 1 for sensors and zone 2 for display units.

LSI Employees:   Emails     SAP      Support



Bienvenue sur le site web de LSI, Fabrication ainsi que Recherche et Développement


Pour informations sur les produits dédiés aux grues, cliquer ici:

Consulter ce site pour des Contrôleurs d’État de Charge (SLI ou RCI), des afficheurs de charge avec chartes de capacityés, Équipments de sécurité pour les grues,
cellules de charge sans fil, inclinomètre (mesure d’angle, d’inclinaison) radio,  anémomètre sans fil, axes dynamométriques radio, incluant ou non les certifications ATEX, CSA, class 1 division 1, etc

Pour les produits industriels:


Section employés LSI:  Courriels   SAP      Support


Burj Khalifa (Burj Dubai) is now completed. The LSI system has been used for the safety of the three cranes on top of the world's highest building.

The wireless system displays hook height, lifted weight, wind speed, boom angle and live maximum allowed weight to the crane operators.

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Certifications:  (for the complete list, consult the main web site

LSI has the following hazardous area certifications: CSA class 1 division 1 and 2, ATEX zone 0, zone 1 & zone 2. Intrinsically safe anemometer, intrinsically safe load cell, intrinsically safe angle sensor.

CE certification for safety & EMC.

FCC and I.C. certification  for radio emissions in North America

En13852 compliant Offshore Safe load indicators.

The LSI rated capacity indicators can replace Cranesmart (loada2b) and  Hirschmann (PAT ds85) systems. The GS820 LMI can replace Greer, Robway or Rayco i4500 (Wylie) i3000, 3PS systems and Guardian Instruments.

The LSI Gateway has the following options: RS232, CAN Bus, J1939. It could co-exist with the other LSI receivers: GS820, GS550, GS320, GS375   

The most popular ATEX products are:  ATEX Load cells or ATEX Load cell amplifier and transmitter 




USA Corporate Office
9633 Zaka Road
Houston, TX 77064
Toll Free Phone: 888-819-4355
Direct Phone: 281-664-1330
Toll Free Fax: 888-238-4099
Direct Fax: 281-664-1390
Tech Support:


Canadian Corporate Office
4495 Wilfred-Hamel Blvd.
Quebec QC, G1P 2J7
Direct Phone: 418-650-2330
Direct Fax: 418-650-3340
Tech Support:


Dubai Corporate Office
Q3-171 SAIF Zone
PO Box 7976
Sharjah - UAE
Direct Phone: +971 6 557-8314
Direct Fax: +971 6 557-8315


UK / Europe
Unit 5, Silverfield House
Claymore Drive
Aberdeen Energy Park
Bridge of Don
Aberdeen AB23 8GD
Scotland, UK
Direct Phone: +44 (0) 1224-392900
Direct Fax: +44 (0) 1224-392920


Asia / Pacific
32 West Thebarton Road
Thebarton, South Australia 5031
Adelaide, South Australia, Australia
Direct Phone: +61 (0) 8-8238-3500
Direct Fax: +61 (0) 8-8352-1684