Your Trusted Light Meter Calibration Provider

Micro Precision is an ISO/IEC 17025:2017 accredited light meter calibration provider offering NIST-traceable calibration across a network of 50+ calibration labs. Quality managers, lab technicians, and procurement teams in manufacturing, workplace-safety-driven industries, construction, and automotive rely on Micro Precision to keep lux meters, foot-candle meters, and illuminance meters within specification and ready for audit.

Micro Precision’s ISO/IEC 17025:2017 accreditation and NIST-traceable calibration process establish a documented chain of measurement traceability for light meters, giving quality teams the evidence auditors expect during compliance reviews. This accreditation is verified through accredited scope documents available on request, and every calibration is backed by a certificate of calibration.

Micro Precision calibrates a variety of light meter types, including digital lux meters, foot-candle meters, and illuminance meters used across workplace lighting audits, photographic exposure verification, and general quality inspection. Each calibration includes ISO/IEC 17025:2017 accredited testing and traceable documentation, whether equipment is serviced in-lab or on-site.

Fill out our Light Meter calibration service request form

Why Light Meter Calibration Matters

Uncalibrated light meters create workplace safety compliance gaps and lighting quality-control errors that can affect OSHA-driven lighting audits, photographic color and exposure accuracy, and manufacturing inspection standards. Light meter calibration performed to ANSI/NCSL Z540.3 requirements keeps measurement results defensible during audits and reduces the risk of non-conforming lighting assessments.

Quality managers depend on documented light meter calibration to demonstrate that lighting-level readings used in safety audits and process inspections are traceable and defensible. Procurement officers rely on consistent calibration intervals and NIST-traceable results to select and retain reliable calibration vendors without renegotiating trust on every order.

Light meter calibration performed to ANSI/NCSL Z540.3 requirements, with NIST-traceable results and ISO/IEC 17025:2017 accredited methods, gives compliance officers documented evidence that lighting measurements used in workplace safety and quality-control decisions meet recognized calibration standards. Without regular calibration, drift in a light meter’s readings can go undetected, creating gaps in safety documentation and inspection records that surface during an audit.

Ensure Accurate Light Meter Calibration

Micro Precision ensures accurate light meter calibration through a structured process: receive the instrument, inspect it for physical and functional condition, test it against NIST-traceable reference standards, adjust it as needed, document all results, and return it with a certificate of calibration. This process applies consistently across lux meters, foot-candle meters, and illuminance meters.

Every light meter calibration is performed under ISO/IEC 17025:2017 accredited procedures, and results are recorded on a certificate of calibration that documents traceability back to NIST. This documentation supports internal quality records and external audits alike.

Every light meter returned by Micro Precision includes a certificate of calibration documenting NIST-traceable results, ISO/IEC 17025:2017 accredited test methods, and the as-received and as-returned condition of the instrument, supporting both internal quality records and third-party audits. Micro Precision offers standard and faster turnaround options for light meter calibration, so quality teams can align scheduling with production deadlines or audit timelines without compromising documentation quality.


Our Calibration Options

Micro Precision offers both in-lab and on-site light meter calibration, giving quality teams flexibility based on equipment mobility, production schedules, and facility access requirements. In-lab calibration provides access to a full range of NIST-traceable reference standards, while on-site calibration reduces equipment downtime for light meters that are difficult to remove from service.

Both calibration options are performed under ISO/IEC 17025:2017 accredited procedures and include a certificate of calibration documenting NIST-traceable results. Micro Precision provides in-lab and on-site light meter calibration options, backed by ISO/IEC 17025:2017 accreditation and NIST traceability, so quality teams can choose the service model that best fits equipment mobility and facility constraints.

Standard and faster turnaround options are available for both in-lab and on-site light meter calibration. Procurement officers can request faster turnaround when audit deadlines or production schedules require quicker completion, without sacrificing NIST-traceable documentation or ISO/IEC 17025:2017 accredited test methods.

Light Meter Types We Calibrate

Micro Precision calibrates a variety of light meters used in workplace safety, photography, and quality-inspection applications, including:

  • Digital lux meters
  • Foot-candle light meters
  • Illuminance meters
  • Photographic incident light meters
  • Photographic spot/reflected light meters
  • Analog (needle-dial) light meters
  • Handheld workplace light meters
  • Combination lux/foot-candle light meters

Micro Precision services light meters from manufacturers including Extech, Amprobe, Sekonic, and Konica Minolta, among others. Commonly serviced models include the Fluke 941Amprobe LM631AWeston 614Magnaflux 622338, and Sylvania DS-3050. Light meter models not listed above are likely supported; contact Micro Precision to confirm calibration availability for a specific make and model.

Calibration Service Levels Offered

Micro Precision offers multiple light meter calibration service levels to match documentation and compliance needs, from basic traceable calibration to fully accredited ISO/IEC 17025:2017 service. Service levels differ in the depth of data and accreditation documentation issued with each calibration.

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 

Light Meter Calibration Services

Micro Precision provides ISO/IEC 17025:2017 accredited light meter calibration services backed by NIST-traceable results, a network of 50+ calibration labs, and both in-lab and on-site service options. Quality teams calibrating lux meters, foot-candle meters, and illuminance meters receive a certificate of calibration with every service, supporting workplace safety audits, photographic quality control, and manufacturing inspection programs. Request a light meter calibration quote today to schedule standard or faster turnaround service.

Please complete our quick Light Meter 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
AEMC 100.447 PhotocellAEMC100.447
AEMC 100.476 PhotocellAEMC100.476
AEMC 2271F Digital LightmeterAEMC2271F
AEMC CA811 Lightmeter - W/Silicon photodiode Sensor 20fc 200fc 2000fc 20kfc / 20lux 200lux 2000lux 20k lux - Catalog# 2121.20 / 2121.2AEMCCA811
AEMC CA813 Lightmeter - W/Silicon photodiode Sensor 20fc 200fc 2000fc 20kfc 200kfc / 20lux 200lux 2000lux 20k lux 200k lux - Catalog# 2121.21AEMCCA813
Amprobe LM-100 Light Meter - PortableAmprobeLM-100
Amprobe LM-120 Light Meter - Auto RangingAmprobeLM-120
Amprobe LM-200 Light MeterAmprobeLM-200
Amprobe LM631A Digital Light MeterAmprobeLM631A
Any Weight Set - 11 Pc -2.5kg Weight Set - 2.5kg, 1.25kg, 1.0kg, 500g, 250g, 125g, 100g, 50g, 25g, 10g, 5g - 11pcAnyWEIGHT SET - 11 Pc -2.5kg
Arga Controls 9-118 White Light MeterArga Controls9-118
B&K Precision 615 Light Meter - 3.5digit - 20lux-200lux-2000lux-20klux - 20fc-200fc-2000fc-20kfc - WECBk Precision615
Caulk Dentsply 644726 Curing Light MeterCaulk Dentsply644726
CEM DT-1308 Light Meter - 400K LuxCEM
Cole-Parmer 20250-00 Digi-Sense - Data Logging Light Meter - Range: 0 to 400,000 Lux; 0 to 40,000 FcCole-Parmer20250-00
Cooke Cal-Light 400 Digital Light Meter - to 40,000fc (Ft Candles)/LuxCookeCAL-LIGHT 400
Cooke Cal-Light 400L Digital Light MeterCookeCAL-LIGHT 400L
Cooke CL400F Precision LightmeterCookeCL400F
Cooke EC1 Illuminance MeterCookeEC1
Cooke EC1-ES Precision Illuminance MeterCookeEC1-ES
Daavlin X-96 Irradiance Meter / OptometerDaavlinX-96
Davis Instruments 401025 Lux MeterDAVIS INSTRUMENTS401025
Dr Meter LX1330B Digital Illuminance Meter / Light Meter - 200,000 LUXDr MeterLX1330B
EIT UV Power Puck II UV MeterEIT
Elcon AB LTOA130 Light MeterElcon AB
Elcon AB LTOB83 Light MeterElcon AB
Eppley Laboratory SPP/ Secondary Standard Precision PyranometerEppley LaboratorySPP
Exfo S2000 Omnicure Spot UV Curing LampExfoS2000 Omnicure
Extech 401025 Lux MeterExtech
Extech 401027 Light Meter / Foot Candle Meter - 2,000 fcExtech401027
Extech 407025 Lux MeterExtech407025
Extech 407026 Heavy Duty Light MeterExtech407026
Extech EA30 EasyView Light Meter - 40-40,000 fc / EZ View / Easy View 30ExtechEA30
Extech EA31 EasyView Light Meter - 20,000fc / EZ View / Easy ViewExtechEA31
Extech EA33 EasyView Light Meter with Memory - 99,990 fc / EZ View / Easy ViewExtechEA33
Extech Easy View 31 Light Meter - EA31ExtechEASY VIEW 31
Extech HD400 Heavy Duty Light MeterExtechHD400
Extech HD450 Datalogging Light MeterExtechHD450
Extech LT300 Light Meter - 40,000 FC / 400,000 LUXExtechLT300
Extech LT40 LED Light Meter - 40,000FC / 400,000LUXExtech
Extech LT45 Color LED Light Meter - 40,000fc / 400,000luxExtechLT45
Extech SDL400 Light Meter with Datalogging and SD CardExtechSDL400
Fillpart Engineering LX1020BS Digital Lux/Light MeterFillpart Engineering
Fisher Scientific 06-662-65 Fisherbrand Traceable UV Light Meter - 320 to 390 nmFisher Scientific06-662-65
Fluke 941 Light Meter / Illuminance Meter - Range: 20, 200, 2000, 20000, 200000 LuxFluke941
Gardco Novo-Gloss Gloss Meter - Flex 60 - 60 deg Universal - All Gloss LevelsGardcoNOVO-GLOSS
General Electric 214 Light MeterGeneral Electric214
General Tools UV513AB Digital UVAB Meter - 280-400nm - GV can check at 365nm onlyGeneral Tools
Global LX101 Lux MeterGlobalLX101
Gossen 5032B Digital Footcandle and Lux MeterGossen Metrawatt5032B
Gossen M600A MAVOSPEC Light Meter / Spectrometer / Miniaturized SpectrometerGossen MetrawattM600A MAVOSPEC
Gossen Mavo Spot 2 Luminance Spot MeasurementGossen MetrawattMavo Spot 2
GR Labs 200 UV Light Meter / Intensity MeterG&R Labs
GR Labs 221 UV Light Meter / Intensity MeterG&R Labs221
Greenlee 93-172 Digital Light MeterGreenlee93-172
GretagMacbeth Spectralight II Color. Evaluation System, 5 light sourcesGretagMacbethSPECTRALIGHT II
GretagMacbeth SpectraLight III Light BoothGretagMacbethSpectraLight III
HDE LX-1010B Digital 50,000 Lux MeterHDELX-1010B
HDE LX1010B Light Meter / LUX Meter - 50,000 LUX / 0-5000 Foot CandlesHDELX1010B
Hioki FT3424 Lux Meter - 5 ranges 20 / 200 / 2,000 / 20,000 / 200,000 luxHiokiFT3424
Huygen 703D-250VC Dual Range Digital Lightmeter / Illuminance MeterHuygen703D-250VC
Ideal 61-681 Light Meter - SperryIdeal
INS DX-200 Illumination Meter - 20,000FCINSDX-200
INS DX200 Illumination MeterINSDX200
International Light ILT2400 Hand-Held Light MeterInternational LightILT2400
Just Normlicht 5000 PRO Graphic Light Box - 1000LUX or Greater - 16x48inchJUST Normlicht5000 pro Graphic
Kipp and Zonen SMP11-A Pyranometer - 285 to 2800 nmKipp and ZonenSMP11-A
Konica Minolta CL-100 Chroma MeterKonica MinoltaCL-100
Konica Minolta LS-150 Luninance MeterKonica MinoltaLS-150
Konica Minolta T-10 - Each Additional Head Illuminance Meter - Each Additional Head after the 1stKonica MinoltaT-10 - Each Additional Head
Konica Minolta T-10A Illuminance Meter Main BodyKonica MinoltaT-10A
Konica Minolta T-10MA / T-10A Illuminance Meter with 1st headKonica MinoltaT-10MA / T-10A
Konica Minolta T-10MA Illuminance Meter Receptor HeadKonica MinoltaT-10MA
Konica Minolta TL-1 Illuminance MeterKonica MinoltaTL-1
Labino M365 Labino UV-A Meter - HagnerLabinoM365
Labino M400 Labino Visible Light Meter - HagnerLabinoM400
Labsphere HLMS-200P Luminance Meter - 0.05 to 7,000 lumens or FCLabsphereHLMS-200P
Lesco SP1-365-LES-ER SpotCure Intensity MeterLesco
LI-COR LI-210R Photometric SensorLI-CORLI-210R
Linshang Technology LS183 Spectrum Transmission Meter / UV Transmission MeterLinshang TechnologyLS183
Lumen Dynamics LS100 Omnicure LED Light SensorLumen DynamicsLS100
Lutron LX-100 Light MeterLUTRONLX-100
Lutron UVC-254 UV LIGHT METER - 254 nm - 3 ranges: 199.9 W/cm2, 1.999 mW/cm2 and 19.99 mW/cm2LUTRONUVC-254
Lux LX1010BS MeterLUXLX1010BS
Macbeth NOVO-GLOSS Gloss Meter - 20 and 60 degMacbethNOVO-GLOSS
Magnaflux 622338 Visible Light Meter / White Light MeterMagnaflux622338
Magnaflux 622339 Digital Light Meter / Black Light MeterMagnaflux622339
Magnaflux 625024 Digital Black Light MeterMagnaflux625024
Magnaflux UV-A Black Light Meter / Part# 625024MagnafluxUV-A
Magnaflux UVe-Lux Meter UV and White Light Dual Function Meter - 0.1 lux to 5,000 luxMagnafluxUVe-Lux Meter
Mannix DLM204 Light Meter - 20-20,000 Fc (foot candles) - General ToolsMANNIXDLM204
Minolta T-1 Light MeterMinoltaT-1
NDK ML-202 Black Light MeterNDKML-202
Nikon NSR 1000 Irradiance Meter - 248nmNikonNSR 1000
Ohmeda 6600-0198-900 BiliBlanket MeterOhmeda6600-0198-900
Ohmeda Biliblanket II MeterOhmeda
Ohmeda Biliblanket MeterOhmeda
ORC UV-M10 UV Meter / Irradiance Meter - 10 channelORCUV-M10
ORC UV-MIOA UV Intensity Meter / Ultraviolet Intensity MeterORCUV-MIOA
ORC UVA-365 UV Light MeterORCUVA-365

Frequently Asked Questions

Most light meters require calibration annually, with quarterly or biannual intervals recommended for high-accuracy or regulated environments. Light meters should also be recalibrated immediately after being dropped, exposed to extreme temperature or humidity, or showing inconsistent readings. Micro Precision documents recommended intervals on every certificate of calibration issued under ISO/IEC 17025:2017 accredited procedures.

Light meter calibration compares the instrument’s readings against a NIST-traceable reference light source under controlled conditions, then adjusts the meter to match the known standard. Micro Precision performs this process under ISO/IEC 17025:2017 accredited methods, documenting results on a certificate of calibration before returning the instrument.

Light meter calibration cost varies based on meter type, service level, and whether calibration is performed in-lab or on-site. Micro Precision provides a calibration quote for each light meter based on these factors rather than a fixed published price. Request a calibration quote for exact pricing on a specific model.

NIST-traceable light meter calibration means the meter’s readings are verified against reference standards with a documented, unbroken chain of comparisons back to the National Institute of Standards and Technology. Micro Precision provides NIST-traceable light meter calibration under ISO/IEC 17025:2017 accredited procedures, with traceability documented on every certificate of calibration.

Yes. Micro Precision provides on-site light meter calibration for facilities that need to avoid removing equipment from service. On-site calibration follows the same ISO/IEC 17025:2017 accredited procedures and NIST-traceable methods used in-lab, and results are documented on a certificate of calibration returned after service.

A lux meter is a type of light meter that measures illuminance specifically in lux units, while the broader term light meter includes lux meters, foot-candle meters, and photographic exposure meters. Micro Precision calibrates a variety of light meters, including lux meters, under ISO/IEC 17025:2017 accredited procedures.

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