NABL Accredited · CC-2480 · Est. 2004 · Gujarat's Trusted Calibration Lab
NABL-accredited calibration for AC, AC/DC, Rogowski coil, and power clamp meters. 1 A to 5000 A. IEC 61010-2-032. Fluke, Hioki, Kyoritsu, all brands.
±1%
Accuracy
1 A–5000 A
Range
IEC 61010-2-032
Standard
IEC 61010-2-032
Clamp-On Instruments Standard
NABL Accredited
CC-2480
— WHAT IS CLAMP METER CALIBRATION —
Think of a quality lab that relies on a clamp meter for daily measurements. If it has drifted even slightly from its true value, every reading becomes unreliable — leading to defective products, failed audits, or safety risks. Regular calibration is the only way to confirm your instrument is telling the truth.
Clamp Meter calibration means comparing its readings against a NABL-traceable certified reference standard at multiple test points, recording the deviations, adjusting where possible, and issuing an NABL certificate — accepted by ISO 9001, IATF 16949, and all quality auditors.
Compare readings against a NABL-traceable reference standard across the full measurement range.
Adjust or document deviations so your instrument reads within accepted tolerance.
Issue a NABL-accredited certificate (CC-2480) with full traceability documentation.
— INSTRUMENTS COVERED —
AC / AC/DC / Power Clamp / Rogowski Coil / Panel CT · All Makes · IEC 61010-2-032 · NABL
AC clamp meters for non-contact current measurement on live conductors.
AC/DC clamp meters for both alternating and direct current measurements.
Leakage current clamp meters for earth fault and insulation testing.
Flexible Rogowski coil clamp meters for large busbars and cables.
High-current clamp meters for transformer and motor testing up to 3000 A.
True RMS clamp meters for accurate measurement of distorted waveforms.
— OUR PROCESS —
Clamp meter received. Jaw mechanism, jaw gap, current range, and DMM functions documented. Jaw surfaces cleaned.
Precision current injection rig (certified primary current source) configured. Conductor looped through jaw at defined position.
AC (and DC where applicable) current calibrated at 5 setpoints using certified injection rig. Multiple conductor turns used for low-range accuracy.
For combination clamp meters: voltage, resistance, frequency, and continuity functions calibrated against precision source.
Error at each calibration point. Expanded uncertainty (k=2) per GUM. Certificate lists all functions tested.
NABL CC-2480 certificate with current data, deviations, uncertainty (k=2), IEC 61010-2-032 traceability.
— STANDARDS & COMPLIANCE —
IEC 61010-2-032
Clamp-On Instruments Safety & Accuracy
IEC 61869
Instrument Transformers
NPL Traceable
Primary Current Reference
ISO/IEC 17025
NABL Accreditation Standard
Prism holds NABL CC-2480 under ISO/IEC 17025:2017. Clamp meter certificates accepted by ISO 9001, energy audit bodies, and all process industry QMS audit bodies.
— NON-NABL CALIBRATION —
For routine maintenance, bulk calibration, or internal QC checks where a full NABL certificate is not mandatory — Prism offers cost-effective non-NABL calibration using the same NABL-traceable reference standards and trained engineers.
All non-NABL work uses NABL-certified reference standards — readings are still reliable and defensible.
Without full NABL documentation, instruments return faster — ideal for urgent production schedules.
Non-NABL calibration costs less — practical for large batches or routine periodic checks.
Available at your facility or at our Vatva lab — same quality, more flexibility.
— AREAS WE SERVICE —
Courier pick-up and delivery. Typical 1-day turnaround for clamp meters.
Why Choose Prism
Since 2004, every NABL clamp meter certificate from Prism has been accepted by ISO 9001 and energy audit bodies — no rejections.
— FAQ —
Get In Touch
Share the make/model, current range, and quantity. We respond within 2 business hours.
— FROM OUR BLOG —
Current transformers (CTs) are the foundation of industrial energy metering and protection relay systems. NABL-certified CT calibration per IEC 61869-2 ensures accurate energy billing and reliable protection.
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Power quality analysers are essential for BEE energy audits and power system troubleshooting. NABL-certified calibration ensures accurate power measurements for compliance and decision-making.
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Digital multimeters (DMMs) are the universal electrical measurement tool. Annual NABL calibration ensures your DMM meets specified accuracy and your electrical measurements are traceable.
Read MoreNABL Accreditation Disclaimer
Calibration services are provided under NABL Certificate CC-2480 in strict accordance with our officially approved scope of accreditation (ISO/IEC 17025:2017). Parameters falling outside our active NABL scope are processed with standard metrological traceability to NPL/BIPM national standards.