About

About Us

Sigma Instruments Company is in the business of design & development, manufacturing and supply of Tank Level & Flow Instrumentation products. Established in 1973, Sigma draws its inspiration from Σ the eighteenth letter in the Greek alphabets, used to denote the algebraic sum total. The purpose is to serve the industry by recognizing and providing a sum total of fluid monitoring devices and allied instrumentation products to its customers. The products can be broadly classified into:

  • Level Gauges
  • Tank Level Indicator
  • Level Switches
  • Transmitter
  • Sight Glasses
  • Flow Switches
  • Allied Instrumentation Products

Quality Management

Sigma's processes are managed on principles of ISO 9001:2015 Quality Management System. The company is enlisted with EIL. The products can also be supplied with IBR Certification and CE Mark (PED Directive, Sound Engineering Practice).Recognition and approval of our products by leading domestic, international companies / consultants & end users and repeat orders from our customers, fuel our passion to go that extra mile in delivering the reliable gaging & control, needed for Tank Level & Flow Instrumentation Products.

Quality Policy

Sigma Instruments Company is Committed to:
  • Provide reliable products to the customer based on engineering principles with desired quality and service, creating confidence for repeat requirements.
  • Practice and maintain highest corporate ethics of Honesty & Integrity with Suppliers, Customers, Associates and Co-workers.
  • Foster a culture where training is an integral part to continually improve the processes.
  • To comply with Statutory & Legal requirements.
  • - Chief Operating Officer