NABL Accredited · CC-2480 · Est. 2004 · Gujarat's Trusted Calibration Lab
NABL-accredited calibration for process multifunction calibrators (Fluke 754, Druck DPI 620, Beamex MC6). 4–20 mA, TC, RTD, voltage, frequency. IEC 61298. All makes.
±0.01%
Accuracy
mA/TC/RTD/V/Hz
Signals
IEC 61298
Standard
IEC 61298 · Fluke 754 / DPI 620
All Process Signal Functions Calibrated
NABL Accredited
CC-2480
— WHAT IS MULTIFUNCTION CALIBRATOR CALIBRATION —
Think of a quality lab that relies on a multifunction calibrator 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.
Multifunction Calibrator calibrationmeans comparing its output against a NABL-traceable certified reference standard at multiple setpoints, recording the deviations, adjusting where possible, and issuing an NABL certificate — accepted by ISO 9001, IATF 16949, and all quality auditors.
Compare output against a NABL-traceable reference standard across all functions and ranges.
Adjust or document deviations so output reads within accepted tolerance.
Issue a NABL-accredited certificate (CC-2480) with full traceability documentation.
— FUNCTIONS CALIBRATED —
4–20 mA / TC mV / RTD Ω / DC Voltage / Frequency · Fluke 754 / DPI 620 / Beamex · IEC 61298 · NABL
FLUKE 726 multifunction calibrators for process instrument calibration.
4–20 mA loop calibrators for current loop testing and calibration.
Multifunction calibrators sourcing voltage, current, thermocouple, and RTD signals.
HART loop calibrators for smart HART transmitter configuration and calibration.
Portable multifunction calibrators for field calibration of process instruments.
Process loop calibrators for 4–20 mA loop powering and signal simulation.
— OUR PROCESS —
Multifunction calibrator received. All signal output functions (mA, mV/TC, RTD, V, Hz) inventoried against manufacturer specification sheet.
Current output calibrated at 5 setpoints (4, 8, 12, 16, 20 mA) against NABL-traceable precision current standard. Loop supply voltage accuracy verified.
For each requested TC type: mV output at 5 temperature setpoints compared to IEC 60584 mV reference. Accuracy documented in °C equivalent.
PT100 / PT1000 resistance output at 5 temperature setpoints compared to IEC 60751 reference resistance. Accuracy documented in °C equivalent.
DC voltage, frequency, and pulse output calibrated at 5 setpoints each against NABL-traceable reference voltmeter and frequency counter.
NABL CC-2480 certificate listing all calibrated output functions with data, deviations, uncertainty (k=2), and IEC 61298 / IEC 60584 / IEC 60751 traceability.
— STANDARDS & COMPLIANCE —
IEC 61298
Process Measurement Calibrators
IEC 60584
Thermocouple Types J/K/T/E/N/R/S/B
IEC 60751
Industrial PT100/PT1000 RTD
ISO/IEC 17025
NABL Accreditation Standard
Prism holds NABL CC-2480 under ISO/IEC 17025:2017. Multifunction calibrator certificates accepted by ISO 9001, pharma (21 CFR Part 11 / GAMP 5), IATF 16949, 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. 1-day turnaround for most multifunction calibrators.
Why Choose Prism
Since 2004, every NABL multifunction calibrator certificate from Prism has been accepted by ISO 9001, pharma, and IATF 16949 auditors — no rejections.
— FAQ —
Get In Touch
Share the make/model and the signal functions you need calibrated. 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.