Your Trusted Clamp Meter Calibration Provider
Micro Precision is an ISO/IEC 17025:2017 accredited clamp meter calibration provider delivering NIST-traceable results through a global network of 50+ calibration laboratories. We calibrate a variety of clamp meter types for aerospace, defense, medical device, industrial, and manufacturing organizations, issuing calibration certificates that satisfy quality audits, regulatory inspections, and compliance requirements.
Every clamp meter service is performed by trained metrologists following our accredited quality management system. Each calibrated instrument is returned with a formal calibration certificate confirming measurement traceability and compliance. Whether you maintain a single clamp meter or a fleet of instruments across multiple facilities, Micro Precision provides the documentation and accuracy your quality program requires.
Why Clamp Meter Calibration Matters
Clamp meters drift over time through normal use, temperature cycling, jaw wear, and component aging. Readings can appear correct while falling outside their specified accuracy class. Inaccurate current measurements lead to faulty electrical diagnostics, safety risks in live electrical systems, and failed compliance audits.
For quality managers and compliance officers, a current calibration record confirms that every clamp meter in the field has verified performance before its readings are used to make electrical safety or process control decisions. Electrical, HVAC, and industrial quality programs require traceable calibration documentation. A clamp meter without a current certificate creates an audit gap that can delay certification or trigger a nonconformance.
Regular clamp meter calibration protects electrical safety decisions, preserves ISO certification status, and keeps current measurement data reliable. Calibration intervals should follow manufacturer recommendations, organizational quality requirements, or applicable regulatory standards, applying whichever interval is most demanding for your application.
How We Calibrate Your Clamp Meters
Micro Precision follows a documented calibration procedure for every clamp meter service. Each instrument is received, inspected, tested against NIST-traceable reference standards, adjusted if needed, and returned with a calibration certificate confirming traceability and compliance. Every step follows our ISO/IEC 17025:2017 accredited quality management system.
- Receive and Inspect: Log the instrument details upon arrival and assess its physical condition, jaw mechanism, and configuration before calibration begins.
- Performance Testing: Test the clamp meter’s measurement parameters against NIST-traceable reference standards to determine its current performance status.
- Adjustment: Restore any out-of-tolerance measurements to within acceptable limits per manufacturer specifications.
- Certification: Issue a calibration certificate documenting measurement results, as-found and as-left data, and a NIST traceability statement.
- Return: Return the calibrated clamp meter with its certificate and a next-calibration-due label.
Our Clamp Meter Calibration Options
Micro Precision offers in-lab and on-site clamp meter calibration to fit your operational requirements. Both options deliver ISO/IEC 17025:2017 accredited results with NIST-traceable certificates.
In-lab calibration: Ship your clamp meters to one of our 50+ accredited calibration laboratories for service under controlled conditions. Our labs accept both individual instruments and large-volume fleet orders, with standard and rush turnaround options available.
On-site calibration: When instruments cannot be removed from your facility or worksite, our field technicians bring NIST-traceable reference standards directly to your location. On-site service minimizes operational downtime and supports continuous compliance for clamp meters in ongoing electrical or HVAC maintenance programs.
Rush service is available for time-sensitive calibration needs. Contact Micro Precision to confirm availability and lead time for your location.
Clamp Meters We Calibrate
Micro Precision calibrates a variety of clamp meter types used across field electrical work, HVAC, laboratory, and industrial environments. Whether you need calibration for one instrument or a fleet across multiple sites, our labs are equipped to handle major models and brands.
Clamp meter types we calibrate:
- AC clamp meters
- AC/DC clamp meters
- True RMS clamp meters
- HVAC clamp meters
- mA process clamp meters
- High-current clamp meters
Regardless of type, each clamp meter is assessed across its key measurement parameters, including AC and DC current, AC and DC voltage, resistance, and True RMS accuracy where applicable. All parameters are tested against NIST-traceable reference standards to confirm compliance with manufacturer specifications and applicable industry requirements.
Popular brands we calibrate:
- Fluke
- Hioki
- Amprobe
- Klein Tools
- Yokogawa
- Reed Instruments
- Extech
- UEI
Each unit is returned with a traceable clamp meter calibration certificate providing documented proof of accuracy to support audit readiness and ongoing compliance. Contact us to confirm coverage for a specific model not listed above.
Calibration Service Levels Offered
Micro Precision offers three clamp meter calibration service levels to match your compliance requirements and documentation needs.
| Type of Service | Traceable | Traceable with Data | Accredited (ISO:IEC 17025:2017, Z540.3) |
|---|---|---|---|
| Calibrated to manufacturers specifications traceable to SI Units | |||
| ISO 9000 Compliant | |||
| Calibration certificates, data, maintained on secure web based tool (CDM) | |||
| Detailed calibration certificates and calibration stickers | |||
| Instrument adjustment (if found out of tolerance) | |||
| ANSI/NCSL Z540-1 compliant | |||
| Calibration Data | |||
| Logo from Accreditation body, Expanded Measurement Uncertainty | |||
| ANSI/NCSL Z540.3 compliant |
Please complete our quick Clamp Meter equipment calibration & repair service request form, and a Micro Precision representative will reach out to you same-day during office hours, or within one business day after office hours. (Mon – Friday 8AM – 4PM PST)
Clamp Meter Services
If you have any inquiries, or simply wish to connect with us, we'd love to hear from you! Please don't hesitate to reach out to us.
"*" indicates required fields
FAQs
Clamp meters require calibration at minimum once per year. Instruments in daily use, harsh industrial environments, or critical process control applications may require calibration every six months. Any clamp meter that has been dropped, impacted, or is producing inconsistent readings must be recalibrated before returning to service, regardless of the last calibration date.
Clamp meter calibration verifies and adjusts performance across key measurement parameters including AC current, DC current (on AC/DC models), AC and DC voltage, resistance, and True RMS accuracy where applicable. Each parameter is tested against NIST-traceable reference standards, and as-found and as-left data is recorded. Results are documented in a calibration certificate confirming traceability.
A compliant clamp meter calibration certificate includes the instrument model and serial number, calibration date and next-due date, test method, as-found and as-left measurement data for each parameter, pass/fail status, NIST traceability statement, and the calibrating laboratory’s ISO/IEC 17025:2017 accreditation body name and scope reference. Micro Precision provides this documentation with every calibration service.
Clamp meter calibration pricing depends on meter type, measurement functions included, and selected service level. AC-only clamp meters are generally less expensive to calibrate than AC/DC or True RMS models with additional functions. Contact Micro Precision for a quote based on your instrument inventory and required service level.
Micro Precision calibrates a variety of clamp meter types including AC clamp meters, AC/DC clamp meters, True RMS clamp meters, HVAC clamp meters, mA process clamp meters, and high-current clamp meters. We service major brands including Fluke, Hioki, Amprobe, Klein Tools, and others. Contact us to confirm coverage for your specific model.
Uncalibrated clamp meters produce inaccurate current readings that can mask overloaded circuits, incorrect equipment operation, or unsafe electrical conditions. Calibration verifies that current measurements are accurate and traceable, supporting safe electrical work decisions. For facilities with regulated quality programs, NIST-traceable calibration documentation is required for instruments used in safety-critical measurements.