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 :
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- 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:
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- Voltage: 0-1000V (DC/AC)
- Current: 0-30A (DC/AC)
- Resistance: 0-1 GΩ
- Capacitance: 1nF-10mF
- Frequency: 1Hz-10MHz
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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.
2. 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.
