ELECTROTECHNICAL
CALIBRATION FACILITY
MSIR INDIA houses Chennai’s premier electrical metrology laboratory. Engineered with vibration-isolated optical breadboards, low-noise Faradaic electromagnetic shielding, and automated IEEE-488 GPIB data acquisition, we deliver sub-picoampere to 100 kV high-voltage calibration with world-class measurement uncertainty (down to ±1.5 ppm).
VOLTAGE RANGE
10 nV to 100 kV
DC & AC to 70 kV RMS
CURRENT RANGE
10 pA to 1,000 A
Up to 10 kA via coils
BEST MEASUREMENT CMC
± 1.5 ppm
Fluke 5730A 8.5-Digit
TIMEBASE STABILITY
2 × 10⁻¹¹
Rubidium Atomic Standard
Real-Time Waveform & Metrology Analyzer
MEASURED READOUT
10.000002
EXPANDED UNCERTAINTY (k=2)
± 1.20 ppm
TRACEABILITY
NPL (India)
PARAMETER CONTROLS
Readings undergo automated 20-sample averaging and Type A/B standard uncertainty evaluation (GUM JCGM 100:2008).
Primary Reference Standards
Our laboratory calibration capabilities are backed by industry-standard calibrators, reference multimeters, and atomic clocks directly calibrated by NPL India and BIPM-recognized National Metrology Institutes.
Fluke 5730A
Multifunction Reference Calibrator
The global gold standard in DC/LF electrical calibration. Features internal Artifact Calibration to maintain traceability to external standards with sub-ppm stability.
Technical Highlights:
Keysight 3458A
8.5-Digit High-Stability DMM
Industry benchmark for precision measurement and linearity. Offers 8.5-digit resolution, transfer accuracy of 0.1 ppm, and sub-nanovolt DC voltage sampling.
Technical Highlights:
Fluke 52120A
Transconductance Power Current Amplifier
Delivers stable, high-accuracy AC and DC current outputs up to 120 Amperes standalone, and up to 10,000 A with parallel-coupled toroidal coils for clamp meters.
Technical Highlights:
Guildline 9330 Series
Ultra-Stable Resistance Standards in Oil Bath
Hermetically sealed standard resistors immersed in a temperature-regulated fluid bath maintained at 23.00 °C, ensuring virtually zero thermal drift.
Technical Highlights:
SRS FS725
Rubidium Atomic Frequency Standard
Ultra-low phase noise rubidium atomic clock source providing a rock-solid 10 MHz reference for all frequency counters, signal generators, and spectrum analyzers.
Technical Highlights:
Phenix Technologies 100kV
Precision AC/DC High Voltage Divider
Shielded high-voltage capacitive-resistive divider designed for ultra-high accuracy measurements of hipot test sets, megohmmeters, and spark testers.
Technical Highlights:
Electrotechnical Scope Matrix (CMC)
Calibration & Measurement Capabilities (CMC) accredited under ISO/IEC 17025:2017. Uncertainties expressed at an expanded confidence level of approx. 95.45% (k=2).
| Discipline / Measurand | Calibration Range | Frequency / Test Condition | Expanded CMC (±) | Master Reference Standard | Test Standard / Method |
|---|---|---|---|---|---|
| DC Voltage (Low Range / Sub-Microvolt) | 10 nV to 200 mV | DC / Direct | ± (1.2 ppm to 3.5 ppm) | Fluke 5730A Calibrator / Keysight 3458A DMM | Direct measurement / Comparison as per EURAMET cg-15 |
| DC Voltage (Standard & High Range) | 200 mV to 1100 V | DC / Direct | ± (1.5 ppm to 4.0 ppm) | Fluke 5730A Multifunction Calibrator | Direct substitution against calibrated reference |
| DC High Voltage | 1.1 kV to 100 kV | DC / Direct | ± 0.05 % to ± 0.12 % | Phenix Precision HV Divider & 8.5-Digit DMM | Precision resistive divider ratio technique (IS 2071) |
| AC Voltage (Low & Audio Frequency) | 1 mV to 1000 V | 10 Hz to 100 kHz | ± 25 ppm to ± 90 ppm | Fluke 5730A with Wideband AC option | Thermal voltage transfer comparison |
| AC Voltage (High Frequency / RF) | 10 mV to 10 V | 100 kHz to 30 MHz | ± 0.15 % to ± 0.45 % | Precision Thermal Transfer Standards | RF Power & AC/DC thermal difference metrology |
| AC High Voltage (50 Hz / 60 Hz) | 1 kV to 70 kV RMS | 50 Hz / 60 Hz | ± 0.08 % of reading | Calibrated Capacitive-Resistive Divider | High voltage AC test standard (IEC 60060-2) |
| DC Current (Picoampere to Milliampere) | 10 pA to 200 mA | DC / Direct | ± 10 ppm to ± 35 ppm | Electrometer Reference / Keysight 3458A | Standard resistor IV conversion technique |
| DC Current (High Current / Shunt Range) | 200 mA to 1000 A | DC / Direct | ± 45 ppm to ± 120 ppm | Fluke 52120A Amplifier & Precision Coaxial Shunts | Precision low-inductance shunt drop measurement |
| AC Current | 10 µA to 1000 A | 10 Hz to 10 kHz | ± 80 ppm to ± 250 ppm | Fluke 5730A + 52120A Power Transconductance | AC current shunt comparison & Rogowski calibration |
| Standard Resistance (4-Wire Kelvin) | 10 µΩ to 1 Ω (Low Ohm) | DC / Direct | ± 2.5 ppm to ± 10 ppm | Guildline Standard Resistors in Oil Bath | Automated 4-Wire current reversal null comparison |
| Resistance (Standard Decade Range) | 1 Ω to 100 MΩ | DC / Direct | ± 1.8 ppm to ± 15 ppm | Guildline 9330 Series & Fluke 5730A | Direct ratio bridge substitution |
| High & Ultra-High Resistance (Insulation) | 100 MΩ to 10 TΩ (Teraohm) | DC / Direct | ± 0.25 % to ± 1.5 % | High-Voltage Guarded Decade Megohm Standard | Sub-picoampere constant voltage dual-bridge method |
| Time & Frequency Standard | 0.001 Hz to 26.5 GHz | DC / Direct | ± 2 × 10⁻¹¹ (Rubidium) | SRS FS725 Atomic Standard + Keysight Counter | Direct phase comparison against UTC reference |
| Active & Reactive AC Power (1-Phase / 3-Phase) | 10 V - 600 V / 10 mA - 100 A (PF: -1 to +1) | 45 Hz to 400 Hz | ± 0.025 % of apparent power | Radian / Fluke Precision Power Standard | Dual-channel digital sampling wattmeter method |
Instruments Serviced & Calibrated
We service and calibrate all major brands including Keysight, Fluke, Tektronix, Rohde & Schwarz, Hioki, Megger, Chroma, Yokogawa, and Keithley.
Digital Multimeters
3.5 to 8.5 Digits, Benchtop & Handheld
Oscilloscopes
DSO, MSO, Sampling up to 26.5 GHz
AC/DC Clamp Meters
Up to 10,000 A with Coils & Rogowski
Power Quality Analyzers
Harmonics, Flicker, 3-Phase Energy
Insulation & Megohm Testers
Up to 10 kV and 10 TΩ Resistance
Hipot / Dielectric Testers
AC & DC High Voltage Withstand
LCR & Impedance Meters
Capacitance, Inductance, ESR, Tan δ
Earth & Ground Testers
Soil Resistivity, 2/3/4-Wire Grounding
Frequency Counters & Timers
Crystal Oscillators, Time Interval
Signal & Waveform Generators
Function, Arbitrary, Pulse, RF Sources
Current Shunts & Transducers
Precision DC & AC Coaxial Shunts
Process & Loop Calibrators
4-20 mA, 0-10 V, RTD, Thermocouple
Engineered For Zero
Thermal & Electromagnetic Drift
Electrical metrology at the ppm level demands strict isolation from temperature shifts, relative humidity swings, electromagnetic interference, and seismic floor vibration. MSIR INDIA’s electrotechnical facility operates inside a custom-constructed environment:
UNBROKEN CHAIN OF TRACEABILITY (ISO/IEC 17025)
BIPM / SI Base Units (Volt, Ampere, Ohm, Second)
National Physical Laboratory (NPL India) / NIST
Fluke 5730A, Keysight 3458A, Rubidium Standard
Your Industrial Multimeters, Hipots, Oscilloscopes & Analyzers
Book Electrotechnical Calibration
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INDICATIVE CALIBRATION FEE
₹ 3,500 + GST
Explore Other Metrology Laboratories
MSIR INDIA houses 12 accredited calibration laboratories under one roof in Chennai.