Accredited Voltmeter Calibration Provider

Voltmeters are among the most frequently used electrical instruments, delivering precise voltage measurements across household electronics, industrial machinery, and scientific research applications. Micro Precision is ISO/IEC 17025:2017 accredited and delivers NIST-traceable voltmeter calibration services backed by a network of 50+ calibration labs. Countless industries depend on accurate voltmeter readings to maintain electrical system safety and operational efficiency, and our accredited technicians keep these instruments performing to specification as part of our broader electrical calibration services capabilities.

Our calibration technicians support a variety of analog and digital voltmeters from manufacturers including Fluke calibration services, along with Keysight, Keithley, BK Precision, and Agilent voltmeters. We understand the role voltmeters play in your electrical testing and quality programs, and we provide the accreditation and traceability your quality management system requires.

Fill out our Voltmeter calibration services request form

Why Voltmeter Calibration Matters

Voltmeter calibration matters because discrepancies in voltage readings lead to hazardous electrical malfunctions and costly equipment damage. Regular voltmeter calibration, consistent with ANSI/NCSL Z540.3, verifies that voltage measurements remain accurate and traceable, reducing the risk of electrical failures and unplanned downtime.

Proactive maintenance and timely repairs prevent reduced data accuracy and operational disruptions across the industries that depend on voltmeters for electrical safety. Micro Precision’s ISO/IEC 17025:2017 accredited calibration process addresses these risks directly, and our technicians provide repair services as part of our commitment to accuracy, promptly addressing issues that arise with your calibrated equipment.

Ensure Accurate Voltmeter Calibration

Micro Precision ensures accurate voltmeter calibration through a structured process: receiving your voltmeter, testing it against a NIST-traceable reference standard, adjusting it as needed, issuing a calibration certificate, and returning the instrument ready for use. Every voltmeter calibration is backed by our ISO/IEC 17025:2017 accreditation and NIST-traceable measurement standards.

Our skilled technicians are knowledgeable about the nuances of a variety of voltmeter models and brands, enabling specialized calibration solutions suited to your specific needs. Repair services are also available as part of our commitment to accuracy, addressing issues that arise with your calibrated equipment. Customers managing a broader range of electrical test equipment can also review Micro Precision’s digital multimeter calibration and oscilloscope calibration services.


Our Calibration Options

Micro Precision offers voltmeter calibration through in-lab service at our accredited calibration facilities and onsite calibration service at your location, depending on your equipment’s configuration and operational needs. Both options provide the same ISO/IEC 17025:2017 accredited, NIST-traceable calibration, with faster turnaround options available for time-sensitive schedules.

In-lab calibration suits voltmeters that can be shipped to one of our calibration labs, while onsite calibration supports fixed installations and equipment that is impractical to relocate.

Voltmeter Types We Calibrate

Micro Precision calibrates a variety of analog and digital voltmeters used across electrical testing, industrial, and laboratory environments, including instruments from Fluke, Keysight, Keithley, BK Precision, Agilent, Anritsu, and Amprobe, among others. Equipment we service includes handheld and bench digital voltmeters, analog panel voltmeters, and precision laboratory voltmeters from these and other manufacturers. Explore our voltmeter database below, which lists specific instrument descriptions, manufacturers, and models, or contact us to confirm calibration support for your unit.

Calibration Service Levels Offered

Micro Precision offers three voltmeter calibration service levels so you can match documentation and accreditation to your quality system requirements: Traceable, Traceable with Data, and Accredited under ISO/IEC 17025:2017 and ANSI/NCSL Z540.3.

Type of ServiceTraceableTraceable with DataAccredited (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 Voltmeter 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)

DescriptionManufacturerModel
Agilent 3400B VoltmeterAgilent3400B
Agilent 3490A VoltmeterAgilent3490A
Agilent 3581C VoltmeterAgilent3581C
Agilent 8405A VoltmeterAgilent8405A
Agilent Technologies 312B Selective VoltmeterAgilent312B
Agilent Technologies 3324A-003 Automatic Phase Calibration (Slave) Nr 3Agilent3324A-003
Agilent Technologies 3420B Voltmeter/RatioAgilent3420B
Agilent Technologies 34701A DC VoltmeterAgilent34701A
Agilent Technologies 410C Multifunction Voltmeter - AC - Analog - 20Hz-700MHzAgilent410C
Agilent Technologies 412A DC VoltmeterAgilent412A
Agilent Technologies 419A DC Null VoltMeterAgilent419A
Agilent Technologies 44701A Integrating Voltmeter - 5.5digitAgilent44701A
Agilent Technologies 44702B High Speed Voltmeter - 13 Bit - 64K BufferAgilent44702B
Agilent Technologies 44704A High Speed Voltmeter - 16-BitAgilent44704A
Agilent Technologies 740B VoltmeterAgilent740B
Agilent Technologies 7562A Log Voltmeter/Converter - 80dB - Single ChannelAgilent7562A
Amprobe K-1 Non-Contact VoltmeterAmprobeK-1
ANRITSU ML69A Electronic Voltmeter - WiltronAnritsuML69A
ANRITSU ML69B Electronic Voltmeter - WiltronAnritsuML69B
B&K Precision 2704 Voltmeter - HH - 3.5 DigitBk Precision2704
B&K Precision 2802 Voltmeter Digital ProbeBk Precision2802
B&K Precision 2804 Voltmeter - HHBk Precision2804
B&K Precision 2805 Voltmeter - HHBk Precision2805
B&K Precision 2806 Voltmeter - HHBk Precision2806
B&K Precision 2816 Voltmeter - HHBk Precision2816
B&K Precision 2818 Voltmeter - HHBk Precision2818
B&K Precision 2820 Voltmeter - HH - 4.5 DigitBk Precision2820
B&K Precision 2830 Voltmeter - BenchBk Precision2830
B&K Precision 2832 Voltmeter - Bench - 3.5 DigitBk Precision2832
B&K Precision 2834 Voltmeter - BenchBk Precision2834
B&K Precision 2845 Voltmeter - HHBk Precision2845
B&K Precision 2912 Voltmeter Digital - HHBk Precision2912
BALLANTINE 300 Voltmeter - AC - 115/230VBallantine
Ballantine 302C VoltmeterBallantine302C
BALLANTINE 303 VoltmeterBallantine303
Ballantine 3045A Voltmeter - True RMS - 0-1V - Linear Voltage ScaleBallantine
BALLANTINE 3046A Broadband AC Voltmeter -10 to +2 Linear Voltage Scale - 120 DivisionBallantine
BALLANTINE 305 Peak to Peak Meter / VoltmeterBallantine305
BALLANTINE 3056A BroadBand AC Voltmeter -20 to 0 linear dB scale 100 divisionsBallantine3056A
Ballantine 305A Peak VoltmeterBallantine305A
BALLANTINE 314 VTVM (Vacuum Tube Voltmeter)Ballantine314
Ballantine 314A Video VTVM (Vacuum Tube Voltmeter)Ballantine314A
Ballantine 323 Voltmeter - True RMS - 2Hz-25MHz / 300uV-300VBallantine
Ballantine 323-20 Voltmeter - Wideband - True RMS - AC - 2Hz-25 MHz / 300uV-300VBallantine323-20
Ballantine 3440A RF Millivolt Meter - 10kHz-1.2GHzBallantine
BALLANTINE 350 VoltmeterBallantine350
BALLANTINE 3620A VoltmeterBallantine3620A
BALLANTINE 362A VoltmeterBallantine362A
BALLANTINE 3630A TRMS VoltmeterBallantine3630A
BALLANTINE 365 VoltmeterBallantine365
BECKMAN AM10 Volt Ohm MeterBeckmanAM10
Bierer RCDC1000 Digital DC Resistive Voltmeter / DC Rail Meter - 0-2 kVBiererRCDC1000
Boonton 9200B RF/RMS Voltmeter - 10kHz-1.2GHzBoonton9200B
Boonton 92EA RF VoltmeterBoonton93A
Bruel & Kjaer 2425 Electronic VoltmeterBRUEL & KJAER2425
Bruel & Kjaer 2426 Electronic VoltmeterBRUEL & KJAER2426
Bruel & Kjaer 2427 Electronic VoltmeterBRUEL & KJAER2427
Data Precision 1350 Voltmeter / MultimeterData Precision1350
Electro Industries 1FVA600RMS Voltmeter, ACElectro Industries1FVA600RMS
Electro Industries FVA600 Voltmeter - ACElectro IndustriesFVA600
Extech 39035A LCD Volt MeterExtech39035A
Extech 39035B LED Volt MeterExtech39035B
Extech 39135A LED Volt MeterExtech39135A
Extech 39135B LED VoltmeterExtech39135B
Extech 39145B LED Volt MeterExtech39145B
Fluke 33 Voltmeter Digital HHFluke33
Fluke 73II Voltmeter Digital - 73-2 / 73 IIFluke73II
Fluke 73III Voltmeter Digital - 73-3 / 73 IIIFluke73III
Fluke 803B Differential AC/DC VoltmeterFluke803B
Fluke 8110A Voltmeter Digital Desktop PortableFluke8110A
Fluke 8120A Voltmeter Digital Desktop PortableFluke8120A
Fluke 8125A Voltmeter Digital Desktop PortableFluke8125A
Fluke 8200A Voltmeter Digital Desktop PortableFluke8200A
Fluke 8350A Voltmeter Digital 4.5 DigitTrue RMS 20 HZ-50 KHZFluke8350A
FLUKE 8502 Voltmeter DigitalFluke8502
Fluke 8502AT Voltmeter Digital 6 .5 digitFluke8502AT
Fluke 8505 Voltmeter Digital 6 .5 digitFluke8505
Fluke 8506A Voltmeter Digital 6 .5-Digitdisplay DC voltage to 1000 V AC voltage to 500 VrmsFluke8506A
Fluke 8810A Voltmeter Digital DC 5 .5 Digit 200 mV 2 20 200 and 1200 V ranges plus autoranging capabilitiesFluke8810A
FLUKE 8840 Voltmeter Digital 5 .5 DigitDesktopFluke8840
FLUKE 8842A-05 Voltmeter Digital 5 .5 DigitDesktopFluke8842A-05
Fluke D802 Voltmeter Digital HHFlukeD802
Fluke D804 Voltmeter Digital HHFlukeD804
Fluke D810 Voltmeter Digital HHFlukeD810
Fluke D811 Voltmeter Digital HHFlukeD811
General Electric 152011PKPK8 Voltmeter - DCGeneral Electric152011PKPK8
General Electric AB-18 Voltmeter - ACGeneral ElectricAB-18
General Electric AB-40 Voltmeter - ACGeneral ElectricAB-40
Gertsch PAV4B Phase Angle VoltmeterGertschPAV4B
Harmon 4200B VoltmeterHarmon4200B
HD Electric Mark 5-CR15 High Voltage Hot Stick / VoltmeterHD ElectricMARK 5-CR15
HD Electric Mark II-S Dual Stick VoltmeterHD ElectricMARK II-S
HD Electric Mark V High Voltage Hot Stick / Analog VoltmeterHD ElectricMARK V
HD Electric Mark V/KIT High Voltage Hot Stick / Voltmeter / Phaser KitHD ElectricMARK V/KIT
HD Electric Mark VI High Voltage Hot Stick / Dual Stick Voltmeter / Triple Range 0-5/0-15/ 0-45HD ElectricMARK VI
Hobart 0-50 VDC Voltmeter PanelHobart
Jennings J-1005 VoltmeterJenningsJ-1005
Kasuga KSD-3000 Digital Static Meter / Digital Low Voltage Voltmeter - Kasuga DenkiKasugaKSD-3000
Keithley 182 Sensitive VoltmeterKeithley182
Kikusui 107B VoltmeterKikusui107B

Frequently Asked Questions

Voltmeter calibration is the process of comparing a voltmeter’s displayed voltage readings against a known, NIST-traceable reference standard and adjusting the instrument as needed so its measurements remain accurate. Micro Precision performs voltmeter calibration under ISO/IEC 17025:2017 accreditation and documents results with a certificate of calibration for every voltmeter tested.

Voltmeter calibration frequency depends on usage, environment, and manufacturer recommendations, with many calibration programs using an annual interval as a general baseline. Voltmeters used in high-precision applications or subjected to frequent handling require more frequent calibration. Micro Precision’s technicians determine an appropriate calibration schedule based on your equipment and industry requirements.

Voltmeter calibration cost varies based on the instrument type, calibration service level selected, and whether in-lab or onsite service is required. Because pricing depends on these factors, Micro Precision provides project-specific quotes rather than a flat rate. Request a calibration quote to receive accurate pricing for your voltmeter model and service level.

Calibrating a voltmeter involves applying a known reference voltage from a traceable standard, comparing it to the voltmeter’s displayed reading, and documenting any deviation. Technicians adjust the voltmeter when it falls outside acceptable limits and verify the result before issuing a calibration certificate. Micro Precision performs this process in ISO/IEC 17025:2017 accredited labs using NIST-traceable references.

ISO 17025 voltmeter calibration refers to voltmeter calibration performed under ISO/IEC 17025:2017 accreditation, the international standard for the competence of testing and calibration laboratories. Micro Precision holds ISO/IEC 17025:2017 accreditation across its lab network and provides NIST-traceable voltmeter calibration that meets this standard, supporting audit readiness and regulatory compliance.

Voltmeter calibration is important because inaccurate voltage readings lead to electrical malfunctions, safety hazards, and costly equipment damage. Regular calibration, consistent with ANSI/NCSL Z540.3, verifies that a voltmeter’s measurements remain accurate and traceable. Micro Precision’s accredited calibration services maintain measurement accuracy and compliance across your electrical test equipment.

A voltmeter needs calibration when its calibration due date has passed, when it produces readings that appear inconsistent with a known reference, or after any drop, repair, or environmental exposure that affects accuracy. Following the calibration interval on your certificate of calibration is the most reliable way to know when your voltmeter is due for recalibration.

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