Torque
CALIBRATION FACILITY
MSIR INDIA’s Torque Metrology Laboratory ensures assembly safety and joint integrity across automotive, aviation, and heavy engineering sectors. Utilizing automated torque wrench calibration benches, precision torque reaction transducers, and deadweight torque arms, we calibrate torque wrenches, screwdrivers, nutrunners, and rotary transducers in compliance with ISO 6789:2017.
TORQUE RANGE
0.1 Nm to 5,000 Nm
Clockwise & Counter-Clockwise
BEST UNCERTAINTY (CMC)
± 0.2 % of reading
Static & Dynamic
TOOL SUPPORT
Manual, Electric, Pneumatic
Assembly & Testing
STANDARD
ISO 6789:2017
Part 1 & Part 2 Conformance
Torsion Angular Deflection & Breakaway Torque Simulator
MEASURED TELEMETRY
120.14
EXPANDED UNCERTAINTY (k=2)
±0.25%
TRACEABILITY
NPL India
PARAMETER TUNING
Evaluated as per GUM (JCGM 100:2008) guidelines with complete Type A and Type B expanded uncertainty analysis.
Primary Reference Standards
Our torque capabilities are anchored by primary standards directly calibrated by NPL India and BIPM-recognized National Metrology Institutes.
Norbar / Sturtevant Automated Torque Rig
Master Torque Wrench Calibration Rig
Motorized ball-screw loader ensuring constant angular velocity and eliminating operator-induced side forces during torque tool actuation.
Technical Highlights:
Torque 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 | Test Condition | Expanded CMC (±) | Master Reference Standard | Test Standard / Method |
|---|---|---|---|---|---|
| Click, Dial, and Digital Torque Wrenches | 0.5 Nm to 3,000 Nm | ISO 6789 Motorized Rig (CW & CCW) | ± 0.25 % to ± 0.8 % | Norbar Master Torque Calibration System | Calibration and measurement of uncertainty as per ISO 6789-2:2017 |
| Torque Screwdrivers & Micro-Torque Tools | 0.05 Nm to 10 Nm | Precision Reaction Transducer | ± 0.35 % of reading | Interface Low-Torque Flanged Transducer | Incremental static torque audit |
Instruments Serviced & Calibrated
We calibrate all major industrial, pharmaceutical, aerospace, and research-grade instrumentation.
Adjustable Clicker Torque Wrenches
Micrometer-setting mechanical click wrenches
Electronic Digital Torque Wrenches
Digital angle and torque recording wrenches
Torque Screwdrivers & Preset Drivers
Electronics assembly ESD-safe torque tools
Pneumatic & DC Nutrunners
Production line assembly pulsed tools
Climate & Environment
Designed for Zero Drift
Every measurement at MSIR INDIA is conducted under strictly monitored and auditable environmental controls adhering to ISO/IEC 17025:2017:
UNBROKEN CHAIN OF TRACEABILITY (ISO/IEC 17025)
BIPM SI Derived Unit (Newton-Meter = N · m)
NPL India Primary Deadweight Torque Machine
MSIR Master Norbar Rig & Flanged Transducers (NABL CC-2891)
Client Production Torque Wrenches and Calibration Testers
Book Torque Calibration
Get an instant fee estimate for your calibration scope or book an immediate laboratory slot with our certified metrologists.
INDICATIVE CALIBRATION FEE
₹ 3,000 + GST
Explore All 12 Metrology Laboratories
MSIR INDIA operates 12 specialized NABL-accredited metrology domains in Chennai.