NABL (National Accreditation Board for Testing and Calibration Laboratories)

In addition to academic excellence VIT is connected globally for innovation, fundamental and applied research as well as development of futuristic innovative technologies. Within a short span of time it has executed many major R&D projects and Consultancy services to Government agencies, Public and Private sector, Industries around the globe. VIT’s research strength lies in the dedicated faculty of high calibre, committed research scholars, with cutting edge facilities and laboratories.

It is necessary to have laboratories providing reliable results for any Industrial Consultancy or Research and Development. In its continued devotion to Quality, VIT has established VIT CHENNAI LABORATORIES -TESTING & CALIBRATION

(i) Testing Laboratories for certification of Materials/Products and (ii) Calibration laboratories for certification of instruments under diversified Engineering Faculties.

The Laboratories managed and marshalled by highly qualified and experienced Professors have been playing a pivotal role for the Research and Industrial consultancy to scale several peaks. In pursuit of obtaining exclusive accreditations for all the activities of the laboratories under international criteria ISO 17025-2017, the laboratory management system and technical infrastructure have been established with this base manual defining all procedures and policies. Earnest implementation of this system coupled with sound technical competence are aimed at leading the laboratory to the destination of accreditation under NABL, Quality Council of India, for the best testimony for Quality of highest order in all its endeavours that cater to national and international customers.

  1. Testing Laboratories
  2. Calibration Services

About TESTING LABS

VIT CHENNAI LABORATORIES has all equipment [Testing machines, Test and Calibration Equipment, Auxiliary equipment, Measuring instruments, Certified Reference materials, Calibration Reference standards and critical consumables] for each test or calibration with the required precision.

Test equipment includes a Compression Testing Machine, Universal Testing machines, Load Frames for Testing Columns and Beams, Sieve shakers, Brinell/ Rockwell Hardness Tester, Micro-Vickers hardness Tester etc. Major Electro-technical Calibration equipment is a Multifunctional Calibrator and Eight and a half digit Multimeter.

MECHANICAL TESTING LAB

Model: AUTOGRAPH-SHIMADZU AG –x plus -50kN

Specification /Features: Accuracy Within ±1% indicated test force (at 1/500 to 1/1 load cell rating).

 

Make: NOBLE, Model: ALZB260

Rockwell Hardness Tester combines high precision and easy operation. Manual zero setting and a large dial indicator for accurate hardness value reading.. It is highly accurate, reliable, durable. Range -HRC 10-70 HRB 20 -9O +/- 1

CONCRETE TESTING LAB

Compression Testing Machine, Make : SHIMADZU,Range: 0 to 2000 KN

 

Quality Policy and Objectives

LABORATORY QUALITY POLICY

The laboratory is dedicated to high standard of professional scientific service for the customers of academic and industrial sector in all Testing and Calibration. Technical Competence, Impartiality, Consistency in execution, Precision and High degree laboratory work culture are the means to achieve the objective of Quality in laboratory operation. Reliability of results and customer satisfaction are primary mission of laboratory.
Commitment at all levels in principle and practice are ensured to achieve total compliance to requirements of standard ISO/IEC 17025:2017.
Continual improvement adopting the latest technology and modernization of equipment and infra-structure are pursuits of the laboratory to achieve total quality in every sphere of work.

QUALITY OBJECTIVES

• Devotion at all levels to achieve total compliance with ISO/IEC: 17025:2017 and NABL specific criteria maintaining a Quality Management System of high order.
• To familiarize all personnel concerned in Testing /Calibration with the Quality System and its implementation by effective training and to ensure that they implement the documented policies and procedures in their work.
• Continuous improvement/up-gradation of its managerial and technical capabilities effectively.
• Continuous commitment to impartiality, confidentiality and operational integrity in all executions.
• Total customer focus by communicating with them more effectively adhering to strict time schedule of completion of assignments and reporting accurate and reliable results.
• Periodic review and improving the effectiveness of system implementation by evaluating the competence and enhancement of skill and range of operations.
• Enhancement of Scope of operations and Customer base .

ACCREDITATION CERTIFICATES

Testing Charges

VELLORE INSTITUTE OF TECHNOLOGY CHENNAI
NABL ACCREDITED EQUIPMENTS
CONCRETE LAB
S.No Item Name of Test Quantity Required Rate in Rs
1 Specific Gravity+C5:C26+C5:C26 300
2 Water Absorption 750
3 Specific Gravity 300
4 Water Absorption 1000
5 Cement Density / Specific gravity 25 kg min. 200
6 Normal Consistency 300
7 Setting Time 400
8 Initial
9 Final
10 Fly ash /GGBS Specific gravity 25 kg min. 200
11 Consistency 300
12 Setting Time 400
13 Initial
14 Final
15 Compressive Strength 1 Set 317
16 Burnt Clay Bricks / Flyash Bricks / Flyash Lime Bricks Compressive Strength 5 Nos. 1375
17 Hollow & Solid
Concrete Blocks		 Dimension 20 Nos. 500
18 Compressive Strength 8 Nos. 2160
19 Steel bars and wires for Concrete Reinforcement Elongation Percent 6 Nos 3000
20 Tensile Strength
21 Test for Nominal Mass [per metre]
22 Yield Strength

 

MECHANICAL TESTING LAB
S.No Item Name of Test Quantity Required Rate in Rs
1 Plastics,Polymer compositesMetals Tensile strength,yield strength,Elongation% 6 2000
2 Metals Hardness Test-HRC 6 900

Contact details

Dr. S. Jeyanthi,

Professor, Quality Manager,
School of Mechanical Engineering,
VIT, Chennai.
Contact No : 9840477440,
E-mail ID: Jeyanthi.subramanian@vit.ac.in

VIT Chennai - Electro-Technical Calibration Laboratory

Vellore Institute of Technology (VIT), Chennai is proud to house a state-of-the-art Electro-Technical Calibration Laboratory. Accredited by the National Accreditation Board for Testing and Calibration Laboratories (NABL) under the ISO/IEC 17025:2017 standard, the lab exemplifies precision, reliability, and excellence in calibration services. With certificate number CC-4077, our accreditation is valid from 17/10/2024 to 16/10/2028, underscoring our commitment to maintaining global standards.

Laboratory Capabilities

Our calibration laboratory is equipped to perform a wide array of electro-technical calibration tasks with high accuracy and efficiency.
1. Precision Multi-Product Calibrator :

    • Model: Transmille 3041A
    • Offers up to 8 ppm accuracy.
    • Capable of calibrating 18 types of instruments, including multimeters, oscilloscopes, RLC meters, data loggers, and power meters.
    • Calibration ranges:
      • Voltage: 0-1000V (DC/AC)
      • Current: 0-30A (DC/AC)
      • Resistance: 0-1 GΩ
      • Capacitance: 1nF-10mF
      • Frequency: 1Hz-10MHz

Capabilities:

  • Precision, multiproduct calibrator with up to 8 ppm accuracy.
  • It offers the widest workload coverage of any multi-product calibrator, with the ability to calibrate 18 types of instrument.
  • Calibrates: Multimeters, oscilloscopes, clamp meters, watt & power meters, RLC meters, AC bridges, power supplies, high resistance and data loggers.
  • It has the power to drive older analogue instruments alongside the accuracy to calibrate modern digital instruments.
  • Has UKAS calibration traceable to National standards.
  1. 8.5 Digit Reference Multimeter
  • Model: Fluke 8508A.

  • Specification /Features:
    • Voltage DC – Range: 0 to ± 1050 V ± 3 ppm of reading
    • Voltage AC – 2 mV to 1050 V, 1 Hz to 1 MHz ± 65 ppm of reading
    • Current DC – 0 to ± 20 A ± 12 ppm of reading
    • Current AC – 2 μA to 20 A, 1 Hz to 100 kHz ± 250 ppm of reading
    • Resistance – 0 to 20 GΩ ± 7.5 ppm of reading
    • Temperature – -200 °C to 660 °C ± 2.5 m °C

Capabilities:

  • Designed specifically with superior accuracy and stability over a wide range of measurements.
  • Designed to serve as a versatile precision measurement tool for calibration laboratories that must meet increasingly stringent measurement uncertainty analysis requirements demanded by ISO 17025, as well as the need for increased productivity.
  • 8508A features 8.5 digit resolution, exceptional linearity and extraordinarily low noise and stability, producing what is arguably the most accurate measurements.

NABL Accreditation Scope

Our laboratory’s NABL accreditation scope spans multiple electro-technical parameters, as detailed below:

  • AC Voltage Measurement (@ 50 Hz):
    • Range: 50mV to 1000V
    • Uncertainty: 0.2% to 0.051% (depending on range)
  • DC Voltage Measurement:
    • Range: 1mV to 1000V
    • Uncertainty: 0.054% to 0.002%
  • AC Current Measurement (@ 50 Hz):
    • Range: 20µA to 10A
    • Uncertainty: 4% to 0.43%
  • DC Current Measurement:
    • Range: 1µA to 20A
    • Uncertainty: 7.5% to 0.05%
  • Resistance Measurement (2-Wire & 4-Wire):
    • Range: 1Ω to 1MΩ
    • Uncertainty: 0.0054% to 0.0012%

Features and Applications
• Broad Instrument Compatibility: Our lab can calibrate both modern digital and older analog instruments with equal proficiency.
• Traceability: All calibration results are traceable to national and international standards, ensuring credibility and global acceptance.
• Applications: The laboratory caters to industries and academic research requiring precise calibration of multimeters, insulation testers, electrometers, and more.

The Electro-Technical Calibration Laboratory at VIT Chennai embodies technical excellence and adherence to quality standards. With its NABL accreditation and cutting-edge equipment, the lab is poised to support a broad spectrum of academic and industrial requirements, aligning perfectly with VIT’s vision of fostering innovation and precision engineering.

ACCREDITATION CERTIFICATES

Contact details

Dr. B. Sri Revathi,

Technical Manager,
Professor Grade 1,
VIT Chennai Laboratories – Calibration,
VIT, Chennai.
Contact No : 044 – 3993 1087, +91- 8939945464,
E-mail Address: chennai.etcalibration@vit.ac.in,srirevathi.b@vit.ac.in