Excel Weighing and Gauging Services


Storage Tank Calibration

We will stay near your site for smooth running of calibration work.

Excel Weighing and Gauging Services

Excel Weighing and Gauging Services is Coimbatore based company in India, undertaking storage tank calibration, inspection, audit & certification (through various international governmental metrological departments and non-governmental organizations), ultrasonic testing, tank settlement, and tilt survey. The company was conceptualized in 2003 by qualified & well experienced persons.

Scope of Work

Our scope of work includes all associated work required for calibration of the tanks & co-ordination with the officials of the Legal Metrology Department, preparation of a computerized calibration chart and obtaining approval, from the Legal Metrology Department, Strapping (Linear & Nonlinear measurement), bottom calibration through flow meter arrangement, arrangement of measuring instrument, submission of calibration charts for your record, ultrasonic plate thickness measurement with digital meter for all the shell including bottom calibration and charts.

We will stay near your site for the smooth running of calibration work.

We will submit certified calibration charts within a very short time.

Tank Calibration Services

Tank calibration for shore and ship installations, terminals, and tank farms from our Total Quality Assurance experts Customers face a need for accurate volumetric tables and quantity measurements to control stock held in storage vessels. Univac can provide accurate and detailed measurements and calibration of storage tanks to ensure customers don’t encounter issues. Up-to-date accurate calibration tables are an essential requirement for stock control and loss management. This is especially important for customs-bonded sites such as distilleries and the oil and gas industry.

Maintaining up-to-date Square & Rectangle Tanks Calibration data is of vital importance in maintaining customer confidence, identifying potential losses in stock, and resolving loading issues, thereby supporting the client’s operational efficiency. 

Clients have a requirement for an efficient Beer tank calibration service that is able to provide accurate calibration tables and survey reports whilst causing minimum onsite impact in order to reduce disruption to operations. The availability of both the latest technology and the safest calibration methodologies is of primary concern to clients when selecting a total quality assurance partner.

EWGS provides accurate and detailed measurement and calibration of large petroleum, fuel, and chemical cargo storage tanks. Hexagonal Tanks Calibration includes shore tanks and ship tanks used for holding crude oil, refined petroleum products, LPG, LNG, and other wet or dry bulk cargoes. Using the latest technology for tank calibration, engineers and technicians are equipped with state-of-the-art measuring devices. EWGS measures and calibrates tanks of various shapes, sizes, and designs. Loss Control investigations are available from seasoned experts with years of industry experience.

Storage Tank Calibration

Petroleum and chemical storage tanks calibrated

Measurements include detailed assessments of wall verticality roundness and shape, along with roof & floor profiles. Tank calibrations are conducted to the exacting requirements of the appropriate international standards published by the International Standards Organization (ISO). Detailed volumetric tables are compiled for each tank and can be formatted according to the client’s requirements. Comprehensive tables can incorporate any standard units of measure for size, volume or both.

Tank Calibration and Measurement

Approved License of the Legal Metrology Dept

Calibration of storage tanks is a legal requirement when tanks are used for commercial transactions or for an official inventory

Tank Calibration Methodology


International Standard: OIML approved
(India is a member country of OIML)


ISO 7507-1:2003: Petroleum and liquid petroleum products - Calibration of vertical cylindrical tanks - Part I - Nineth Schedule of the Legal Metrology (General) Rules 2011: Strapping method.

Indian Standard Specification for Vertical Storage Tank based on Indian Standard on Petroleum Measurements.

Indian Standard Specification for Horizontal Storage Tank based on Indian Standard on Petroleum Measurements.

Quality Policy

Our Speciality

Customer Satisfaction

Low-Cost Efficiency

High Quality

Latest Technology

Highly Skilled & Experienced

Periodic Upgradation

Legal Advices and Assistance

Act and Legal Metrology

Our Valuable Clients