Your Trusted Pyrometer Calibration Provider

Micro Precision is an ISO/IEC 17025:2017 accredited provider of pyrometer calibration for the optical, infrared, and ratio pyrometers used in high-temperature industrial process control. Every calibration result is NIST-traceable, giving quality managers and metrologists documented evidence that measurement results connect to national reference standards through a global network of more than 50 calibration laboratories.

Micro Precision supports pyrometer calibration for aerospace, defense, medical device, automotive, and general manufacturing facilities, as well as heavy industry sectors such as metals processing, foundry operations, and glass manufacturing, where process pyrometers monitor furnace, kiln, and casting temperatures critical to product quality.

Micro Precision provides ISO/IEC 17025:2017 accredited, NIST-traceable pyrometer calibration through a global network of more than 50 calibration laboratories, serving aerospace, defense, medical, automotive, manufacturing, and heavy industry sectors including metals and glass processing where accurate high-temperature measurement directly affects product quality and safety.

This page covers industrial process pyrometers, the non-contact instruments used to monitor high-temperature manufacturing operations. Facilities using a general-purpose handheld device should see Micro Precision’s Infrared Thermometer Calibration Services or Digital Thermometer Calibration Services pages instead.

Fill out our Pyrometer calibration service request form

Why Pyrometer Calibration Matters

Pyrometer calibration matters because inaccurate high-temperature readings create downstream product quality, safety, and compliance risk in manufacturing processes such as metal casting, glass processing, and furnace operation. A process pyrometer that drifts out of tolerance can allow improperly processed material to continue through production, creating rework, scrap, or safety hazards tied to overheated or underheated conditions. Calibration performed to ANSI/NCSL Z540.3 requirements confirms that a pyrometer’s measurement results remain traceable and defensible across its intended temperature range.

Quality managers and QA directors depend on current pyrometer calibration records to pass internal and third-party quality audits without gaps in traceability documentation. Procurement officers reduce vendor risk by selecting an ISO/IEC 17025:2017 accredited provider, avoiding the cost of rework or re-inspection tied to inaccurate temperature measurement. Micro Precision issues a NIST-traceable certificate of calibration for every pyrometer calibration, giving both roles the documented evidence needed to protect production quality and maintain compliance across high-temperature manufacturing operations.

Ensure Accurate Pyrometer Calibration

Micro Precision ensures accurate pyrometer calibration through a documented process that begins when an optical, infrared, or ratio pyrometer arrives at one of its calibration laboratories. Technicians inspect the instrument, test its readings against NIST-traceable blackbody sources and reference standards across the pyrometer’s operating range, and adjust the unit as needed to bring it within tolerance.

Micro Precision calibrates a pyrometer by receiving and inspecting the instrument, testing its readings against NIST-traceable blackbody sources and reference standards across its rated temperature range, adjusting the unit as needed, and issuing a certificate of calibration documenting the as-received and as-left results.

Every calibrated pyrometer returns with a certificate of calibration that supports internal quality systems and external audits under standards such as ANSI/NCSL Z540.3. Micro Precision offers standard turnaround for routine calibration needs and faster turnaround options for facilities that need a pyrometer back in service quickly to avoid a production interruption.


Our Calibration Options

Micro Precision offers pyrometer calibration through both in-lab and on-site service options, giving facilities the flexibility to choose the service model that fits their production schedule. In-lab calibration allows technicians to test a pyrometer’s full temperature range against controlled blackbody sources and NIST-traceable reference standards under stable laboratory conditions, often the preferred option for pyrometers that can be removed from a process line without disrupting production.

On-site calibration brings Micro Precision’s technicians and equipment directly to a facility, which is useful for pyrometers that are fixed-mounted on furnaces, kilns, or process lines where removal is impractical. Both options include the same NIST-traceable results and certificate of calibration issued for in-lab service.

Facilities that need equipment returned to service quickly can request faster turnaround for either in-lab or on-site pyrometer calibration. Quality managers and procurement officers can evaluate both options to determine which calibration model best supports their production uptime and compliance requirements.

Pyrometer Types We Calibrate

Micro Precision calibrates a variety of optical and infrared pyrometers used in high-temperature industrial process control, including instruments manufactured by Raytek, Mikron, Fluke, and Land Instruments International.

Pyrometers are often used alongside thermocouples for cross-checking high-temperature process readings; see Micro Precision’s thermocouple calibration services for related coverage.

Pyrometer models not listed above are likely supported. Contact Micro Precision to confirm calibration availability for a specific pyrometer make and model.

Calibration Service Levels Offered

Micro Precision offers multiple tiers of pyrometer calibration service, allowing quality teams to select the documentation level that matches their compliance and audit requirements.

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 

Pyrometer Calibration Services

Micro Precision provides ISO/IEC 17025:2017 accredited, NIST-traceable pyrometer calibration for optical, infrared, and ratio pyrometers used in furnace, kiln, foundry, glass, and metal processing operations, backed by a global network of more than 50 calibration laboratories. Both in-lab and on-site calibration options are available with standard and faster turnaround. Facilities operating general-purpose infrared thermometers or contact digital thermometers can find dedicated calibration services on Micro Precision’s Infrared Thermometer and Digital Thermometer pages. Request a calibration quote to schedule pyrometer calibration services today.

Please complete our quick Pyrometer 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
Alnor 1760 PyrometerAlnor
Alnor 4000A Temperature Meter / PyrometerAlnor
Alnor Al-Temp II PyrometerAlnorAl-Temp II
Alnor VBMD4 PyrometerAlnor
Ametek C100L Cyclops L - Cross Body Portable Pyrometer Sling / Non-Contact Thermometer - 550-3000deg C / 1022-5432deg F - Land - Cyclops 100 L 1FAMETEK
Amprobe T151 Pyrometer - T-151AmprobeT151
API 3030 PyrometerAPI3030
Check It 1100 Digital PyrometerCheck-It1100
Check It 401 PyrometerCheck-It401
Check It 402 Digital Pyrometer SetCheck-It402
Check It 602 Digital Pyrometer SetCheck-It602
Check It 613 PYROMETERCheck-It613
Check It 616 PYROMETERCheck-It616
Check It 626 PyrometerCheck-It626
Doric 410A Pyrometer / Trendicator / Digital Thermometer - BeckmanDoric
EDL B289KP PyrometerEDLB289KP
EDL BPD-24KNPZ PyrometerEDLBPD-24KNPZ
EDL IP PyrometerEDLIP
EDL IP-04 PyrometerEDLIP-04
EDL NMP-04 Pyrometer - NMP 04EDLNMP-04
EDL NMP-06 Pyrometer - NMP 06EDLNMP-06
EDL NMP-08 Pyrometer - NMP 08EDLNMP-08
Fluke E1ML Infrared High Temperature Ratio PyrometerFlukeE1ML
Fluke E1RH Infrared High Temperature Ratio PyrometerFlukeE1RH
Fluke E1RL Infrared High Temperature Ratio PyrometerFlukeE1RL
Fluke E3ML Infrared High Temperature Ratio PyrometerFlukeE3ML
Fluke Endurance PyrometerFlukeEndurance
Honeywell Unknown PyrometerHoneywellUnknown
Impac IGA 140 Pyrometer - Lumasense Technologies GmbHImpacIGA 140
Impac IN 300 Pyrometer - Lumasense TechnologiesImpacIN 300
Impac IS 120 Infrared PyrometerImpacIS 120
Impac IS 8 Pro PyrometerImpacIS 8 Pro
Instrument LAB B PyrometerInstrument LabB
Ircon M3-32-11C05 Pyrometer - 1100 Deg CIrconM3-32-11C05
IRCON MR-2010-25F THERMOMETER MIRAGE PYROMETER SENSING HEADIrconMR-2010-25F
Isotech Gemini R 550 Blackbody Source Calibrates Radiation Pyrometers: 50 to 550 deg CIsotechGemini R 550
Micro-Epsilon CTM-3CFI-33-C3 PyrometerMicro-EpsilonCTM-3CFI-33-C3
Omega HH-11B Pyrometer / Thermometer - HH11BOmega EngineeringHH-11B
Omega OS20 Pyrometer, Infrared - OS-20Omega EngineeringOS20
Omega OS2000A Pyrometer, Infrared - OS-2000AOmega EngineeringOS2000A
Tronair HC-1134-01 Pyrometer / Dial Thermometer, Vapor Pressure - OAK / NoshokTronairHC-1134-01
Tronair HC-1134-01 Pyrometer / Dial Thermometer, Vapor Pressure - OAK / NoshokTronairHC-1134-01

Frequently Asked Questions

Pyrometer calibration is the process of testing an optical, infrared, or ratio pyrometer against NIST-traceable blackbody sources and reference standards to confirm it measures high-temperature process conditions correctly. Micro Precision performs pyrometer calibration under ISO/IEC 17025:2017 accreditation, issuing a certificate of calibration that documents the measurement results for furnace, kiln, and industrial process pyrometers.

Pyrometer calibration is important because inaccurate high-temperature readings can cause product quality failures, safety hazards, and compliance gaps in processes such as metal casting, glass processing, and furnace operation. Facilities that maintain calibration records aligned with ANSI/NCSL Z540.3 demonstrate that their process pyrometers produce measurement results traceable to national reference standards.

Calibrating a pyrometer involves testing its readings against NIST-traceable blackbody sources and reference standards across the instrument’s rated temperature range, then adjusting the unit as needed to bring it within tolerance. Micro Precision documents each step and issues a certificate of calibration confirming the as-received and as-left measurement results.

Pyrometer calibration frequency depends on the manufacturer’s recommendation, the instrument’s operating environment, and the quality system requirements a facility follows. Many facilities calibrate process pyrometers on a routine interval as part of their preventive maintenance program. Micro Precision helps facilities maintain consistent, NIST-traceable calibration records to support whichever interval their quality system requires.

Pyrometer calibration requirements typically include testing against NIST-traceable reference standards, documenting as-received and as-left measurement results, and issuing a certificate of calibration. Facilities operating under quality systems that reference ANSI/NCSL Z540.3 require calibration performed by an ISO/IEC 17025:2017 accredited provider such as Micro Precision to maintain audit-ready traceability records.

A pyrometer is an industrial process instrument built for high-temperature, non-contact measurement in applications such as furnaces, kilns, and metal casting, while a general-purpose infrared thermometer is typically a handheld device used for lower-temperature spot checks. Micro Precision calibrates process pyrometers on this page and general-purpose infrared thermometers on its dedicated Infrared Thermometer Calibration Services page.

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