Gujarat's trusted NABL-accredited calibration partner for government testing laboratories, NABL-accredited labs, R&D centers, DSIR/CSIR institutes, BIS-recognized labs, and regulatory laboratories. NPL · BIPM traceable · ILAC MRA. Ahmedabad · Gandhinagar · Vadodara · Surat.

NABL · BIS · DSIR Ready
NABL CC-2480
— WHY IT MATTERS —
NABL accreditation, government tender eligibility, and legally defensible test results all depend on NPL-traceable instrument calibration.
Government testing and calibration laboratories must maintain calibrated reference standards and working instruments to retain their NABL ISO/IEC 17025 accreditation scope. Calibration gaps or expired records during re-assessment result in scope reduction or full suspension.
Government of India tenders on GeM (Government e-Marketplace) and under GFR 2017 require NABL-accredited testing and calibration labs. Suppliers demonstrating NABL-calibrated instruments in their QMS gain significant advantage in government procurement tenders.
BIS-recognized testing laboratories must maintain calibrated test equipment for product certification under IS standards. BIS surveillance audits verify calibration records — labs with expired certificates risk BIS recognition suspension.
Department of Scientific and Industrial Research (DSIR) recognized R&D laboratories and CSIR institutes must demonstrate calibrated analytical and measurement instruments for research validity, publication acceptance, and inter-laboratory comparisons.
Government regulatory labs (food safety, drug, forensic, environmental) must use NABL-calibrated instruments to produce legally defensible test results. Courts accept test results from NABL-calibrated laboratories as admissible evidence in enforcement actions.
NABL requires accredited labs to participate in Proficiency Testing (PT) and Inter-Laboratory Comparisons (ILC). Calibrated reference standards are essential for generating valid PT results — poor PT performance from uncalibrated instruments risks NABL scope loss.
— SCOPE OF CALIBRATION —
All analytical, temperature, dimensional, mass, electrical, and pressure instruments — NPL/BIPM-traceable NABL CC-2480 certificates accepted in NABL, BIS, and international assessments.
— STANDARDS & COMPLIANCE —
Every Prism calibration follows NABL ISO/IEC 17025 requirements — with full NPL/BIPM traceability, measurement uncertainty statements, and ILAC MRA recognition accepted globally.
NABL ISO/IEC 17025
National Accreditation Board for Testing & Calibration
BIS IS Standards
Bureau of Indian Standards — Product & Lab
DSIR Recognition
Dept. of Scientific & Industrial Research Labs
GPCB / MoEFCC
Environmental Regulatory Labs — Gujarat PCB
CPWD / GFR 2017
Govt. Works Dept & Financial Rules — Tender
ILAC MRA
Global Mutual Recognition — 100+ Countries
BIPM / NPL Trace
International Standards — SI Unit Traceability
ISO 9001:2015
Quality Management for Government Departments
Prism holds NABL CC-2480 under ISO/IEC 17025:2017 — with complete NPL and BIPM traceability. Our certificates are referenced by government labs in their own NABL accreditation documents and accepted in assessments under ILAC MRA in 100+ countries.
200+
Labs Served
200+
Instrument Types
— NON-NABL CALIBRATION —
For non-scope instruments, internal working standards, and experimental apparatus where formal NABL certification is not required, Prism provides cost-effective non-NABL calibration with the same NPL-traceable reference instruments.
All non-NABL calibrations use NABL-grade NPL/BIPM-traceable reference instruments — same accuracy and traceability without formal accreditation documentation cost.
Non-NABL calibration jobs complete faster — ideal for urgent post-repair verification and large-volume utility instrument calibration during scheduled lab downtime.
Significantly cheaper per instrument — ideal for calibrating experimental apparatus, non-scope instruments, and internal working standards not used in accredited testing.
Available at your Gujarat government lab or R&D center — our engineers bring portable NPL-traceable standards for calibration in your laboratory environment.
— RISKS OF NON-COMPLIANCE —
Calibration gaps in government and NABL-accredited labs have regulatory, legal, and institutional consequences.
NABL assessors verify calibration records of all reference and working standards during assessment and surveillance visits. Expired or missing calibration certificates result in scope reduction, corrective action requirements, or full NABL accreditation suspension.
GeM tenders and public procurement tenders specify NABL accreditation as a technical qualification criterion. Labs with calibration lapses risk accreditation issues that disqualify them from government testing contracts worth crores annually.
BIS-recognized labs must maintain calibrated test equipment per the relevant IS standard. BIS surveillance auditors verify calibration records — labs with expired certificates for test equipment receive BIS suspension orders.
Government environmental, food, drug, and forensic labs must produce legally defensible test results. Defense lawyers successfully challenge test results when the lab cannot produce valid calibration records for the instruments used — causing case dismissals.
NABL requires participation in Proficiency Testing. If uncalibrated instruments cause wrong PT results (z-scores > 2.0), NABL issues warnings and scope review — potentially suspending the lab's scope in affected parameters.
DSIR R&D recognition renewal requires laboratories to demonstrate calibrated instruments and measurement traceability. Missing calibration records prevent DSIR recognition renewal — affecting eligibility for government research grants and tax benefits.
Why Choose Prism
Since 2004, Prism has calibrated 200+ government and NABL-accredited labs across Gujarat — certificates accepted in NABL assessments, BIS audits, and international evaluations under ILAC MRA.
Onsite Coverage
NABL engineers travel to your lab with portable NPL-traceable standards — calibration in your laboratory environment, no instruments shipped out.
NABL CC-2480 · NPL Traceable · ILAC MRA · BIS Accepted
Onsite · Assessment-ready format · NABL certificate within 48 hours
— CLIENT TESTIMONIALS —
Prism calibrates all our reference standards — weights, temperature sensors, pressure references, and electrical instruments. NABL assessors have accepted their certificates without any query for 6 consecutive assessments. Excellent technical competence.
Dr. Ankit Sharma
We rely on Prism for NABL calibration of all our analytical instruments — pH meters, conductivity meters, analytical balances, and gas analyzers. Certificates always match NABL requirements — correct format, uncertainty statements, and NPL traceability.
Rekha Patel
Prism provides annual NABL calibration for over 80 instruments in our testing laboratory. Their understanding of NABL ISO 17025 requirements and the technical quality of their reports is exceptional. Highly recommended for government labs.
Dr. Vijay Rawal
Prism calibrates all our reference standards — weights, temperature sensors, pressure references, and electrical instruments. NABL assessors have accepted their certificates without any query for 6 consecutive assessments. Excellent technical competence.
Dr. Ankit Sharma
We rely on Prism for NABL calibration of all our analytical instruments — pH meters, conductivity meters, analytical balances, and gas analyzers. Certificates always match NABL requirements — correct format, uncertainty statements, and NPL traceability.
Rekha Patel
Prism provides annual NABL calibration for over 80 instruments in our testing laboratory. Their understanding of NABL ISO 17025 requirements and the technical quality of their reports is exceptional. Highly recommended for government labs.
Dr. Vijay Rawal
Prism calibrates all our reference standards — weights, temperature sensors, pressure references, and electrical instruments. NABL assessors have accepted their certificates without any query for 6 consecutive assessments. Excellent technical competence.
Dr. Ankit Sharma
We rely on Prism for NABL calibration of all our analytical instruments — pH meters, conductivity meters, analytical balances, and gas analyzers. Certificates always match NABL requirements — correct format, uncertainty statements, and NPL traceability.
Rekha Patel
Prism provides annual NABL calibration for over 80 instruments in our testing laboratory. Their understanding of NABL ISO 17025 requirements and the technical quality of their reports is exceptional. Highly recommended for government labs.
Dr. Vijay Rawal
— FAQs —
— GET IN TOUCH —
NABL re-assessment preparation, BIS audit support, or routine annual calibration — we respond within 24 hours with NABL-format certificates.