Our Mission Statement

Providing unparalleled after sales service and support for our products

covering areas in industrial automation to analytical instruments

Contact Us

  • 94 112 656 115
  • sigmadelta@sltnet.lk
  • 3/6 Bandaranayake Mawatha, Katubedda; Moratuwa 10400
Work Time: 09:00am - 04.30pm
Saturday and Sunday - CLOSED
Find us: Ratmalana
No: 55 Borupana Road, Ratmalana
Contact: +94 11 262 6175

About Us

About Us

Sigma Delta Technologies (Pvt) ltd. is an independent business entity established in year 2001 by a group of professionals to cater technical solutions and supplying latest technologies and products to industries, research & development laboratories and educational institutions in Sri Lanka.

We have a proven track record in providing unparalleled after sales service and support for our products covering areas in industrial automation to analytical instruments. Through close links with our foreign partners, all relevant staff has undergone overseas product training programs.

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Our Team

sigma delta technologies sri lanka jayasiri

Jayasiri Kumarasinghe


Mr. Kumarasinghe graduated from University of Moratuwa with a National Diploma of Technology in Chemical Engineering. He has more than twenty years of hands on experience as a multidisciplinary engineer in Petroleum Refineries operation, Power generation, instrumentation and in Sales & Services Engineering. In addition, he has served in Rubber Industries, Universities and Educational Institutions. Also has received overseas training from JEOL Co. Ltd., Japan, Horiba Instruments, Japan & USA, Kyto Electronics Manufacturing Company, Japan and CT India on Automation Products.

sigma delta technologies sri lanka amarasiri

Eng. B.S. Samarasiri


Eng. B.S. Samarasiri graduated from University of Moratuwa in Electronic & Telecommunication Engineering and post graduated from the University of New South Wales, Australia. He served as a high level consultant to many government institutions such as Sri Lanka Ports Authority, Universities, Corporations, Defence sector and other Industries. During his tenure in University of Moratuwa he served as Director of Engineering Design Centre. After his retirement from university in year 2015 he joined Sigma Delta Technologies (PVT) Ltd. as one of the directors. Currently he actively contribute his immense experience in providing electronic and industrial instrumentation solutions for our clients.

Sextus Ranawaka


Mr. Ranawaka is a Chartered Chemist by profession with a career spanning over thirty five years in the Petroleum Industry, Paper Manufacturing Industry, Cement Manufacturing Industries and Sea Water Desalination power plants in UAE, Saudi Arabia, Oman, Kuwait and Sri Lanka. Also he has received overseas training in Horiba, USA and Kyoto Electronics Manufacturing Company in Japan, Chemito GC Industries in India and participated in several local training programs and expertise in high tech instruments such as ICP, AAS, GCs, XRF and FTIR / Fluorescence spectroscopy etc.

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Sarath C Hettiarachchi

Senior Technologist

Mr. Hettiarachchi has more than thirty five years of experience in the field of Materials Science & Engineering. After retiring from the university service he is sharing his comprehensive knowledge and experience in handling equipment on Materials Testing, Foundry, Heat Treatment, Metallography and Polymer Testing. He has also handled analytical equipment such as Scan Electron Microscopes, XRD/XRF and TG/DTA/DSC etc. He has received training in overseas relevant to some of the above equipment.

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Chaminda Kumarasinghe

Technical Officer – Operations

He followed the Electrical Engineering Course at Sri Lanka Railway German Training School. His has gained wide exposure in electrical and mechatronics field and a talented technical person. He is also very enthusiastic in fabrication of incinerators and scrubbers. He has also followed training courses on Computer Aided Designing Using AutoCAD.

sigma delta technologies sri lanka amaranath

Amaranath Kumarasinghe

Administrative Officer

He has solid knowledge of office procedures and experience with office management software. Also responsible for functioning day to day activities that are related to financing, record keeping & billing, physical distribution and logistics within our organization.

Sigma Delta Technologies (Pvt) Ltd.