Ensure the reliability of your measuring instruments and gas analysis systems with an industrial maintenance contract tailored to your facilities.
Fuji Electric supports manufacturers by offering preventive maintenance, calibration, inspection, and repair services for their measurement equipment. Our services cover pressure sensors and transmitters, flow meters, level and temperature instruments, as well as gas analysers , and continuous emissions monitoring systems (CEMS).
Our expert technicians provide on-site service in France and throughout Europe to perform the maintenance required to ensure your equipment operates properly.
Our goal is to help you maintain the accuracy of your measurements, anticipate failures, control your maintenance costs, and extend the service life of your equipment.
Each contract is tailored to your equipment, its criticality, your operational constraints, and your technical support needs.
An industrial maintenance contract is an agreement between a service provider and a company that specifies the equipment covered, the maintenance and inspection procedures, their frequency, the responsibilities of each party, and the terms of service.
It helps structure a process for failure prevention and preventive maintenance to:
Scheduled maintenance allows organizations to shift from a “repair after failure” approach to a proactive strategy based on the condition and criticality of equipment.
In every industrial sector, measuring instruments play a central role in monitoring, controlling, and regulating industrial processes.
An incorrect measurement can lead to improper process control, a decline in quality, excessive energy consumption, a false alarm, or, in some situations, a production shutdown.
Maintenance and instrumentation managers must ensure the availability of their equipment while managing their technical resources and budgets.
Industrial sensors and e analysers s are subject to mechanical, thermal, chemical, and environmental stresses that can gradually affect their performance.
A measurement problem can result from wear and tear on an electronic component, a diaphragm, a connection, a leak, contamination, or an incorrect configuration.
Regular inspections help detect certain abnormalities before they cause a breakdown or significant deterioration in the process.
An instrument's accuracy may change due to aging, operating conditions, or repeated use.
Verification and calibration procedures help identify measurement discrepancies and determine whether the instrument remains suitable for its intended use.
Reliable measurements are essential for properly controlling a process, maintaining product quality, and making sound operational decisions.
Emergency repairs, unexpected repairs, travel expenses, and equipment downtime can result in significant costs.
A contract makes it possible to organize service calls, anticipate the need for supplies, and plan operations that require the facility to be shut down or made available.
A structured preventive maintenance program makes it easier to forecast expenses and reduces reliance on unplanned corrective actions.
Manufacturers sometimes operate equipment that has been in place for many years, the maintenance of which requires specialized knowledge.
Technological advancements, staff turnover, and the obsolescence of certain components can complicate maintenance work.
Hiring a professional who specializes in industrial instrumentation provides access to additional expertise for diagnosing, repairing, inspecting, or replacing equipment.
Companies are sometimes required to demonstrate proficiency in the use of their instruments as part of their quality systems, internal procedures, or regulatory requirements.
Maintenance reports, calibration certificates, and inspection reports are useful tools for traceability.
A maintenance contract makes it easier to organize and document inspections, without replacing the operator’s regulatory responsibilities.
Industrial measuring instruments continuously monitor the parameters essential to the operation of facilities.
Fuji Electric offers maintenance, calibration, inspection, and repair services tailored to the measurement technologies and specific requirements of each application.
These services can be provided as one-time services or as part of periodic maintenance contracts, based on a program tailored to the management of instrument fleets.
Maintenance requirements vary depending on the measurement principle, operating conditions, and the criticality of the equipment.
| Industrial Instruments | Main Possible Operations |
|---|---|
| Pressure Sensors and Transmitters | Inspection, zero check, range check, calibration, and diagnostics; connection checks, pulse lines, configuration, and measurement |
| Industrial Flow Meters | Verification of operation, settings, output signal, and measurement consistency |
| Level measurement instruments | Verification of configuration, assembly, connections, and measurement response |
| Temperature Probes and Transmitters | Verification of the measurement chain, wiring, and metrological performance |
| HART-Enabled Instruments | Reading diagnostics, verifying settings, and checking communications |
The exact scope of services depends on the equipment specifications, the available testing resources, and the conditions under which the work is performed.
An industrial facility may include several dozen or hundreds of measuring instruments distributed across various processes.
Their technological diversity, age, and operating conditions make maintenance management more complex.
A periodic maintenance program makes it possible to organize the monitoring of installed equipment, prioritize maintenance tasks based on the criticality of the instruments, and identify the specific maintenance needs of each production unit.
The first step is to have a thorough understanding of the equipment in question.
An inventory may include, among other things, part numbers, serial numbers, technologies, locations, measurement ranges, verification dates, and service histories.
Not all instruments present the same operational challenges.
A transmitter used for a secondary display does not necessarily require the same level of monitoring as an instrument that is essential for controlling a critical stage of production.
The analysis may take into account the impact of a failure on safety, quality, system availability, and operating costs.
The maintenance program specifies the tasks to be performed, their frequency, the necessary resources, and the conditions for accessing the equipment.
It can be adapted to production downtime, the workload of maintenance crews, and operational constraints.
The history of calibrations, repairs, and maintenance allows us to identify instruments with recurring defects or abnormal drifts.
This information helps adjust maintenance schedules and plan for replacements.
As equipment ages, technology evolves, and the availability of parts changes, certain repairs may become difficult or economically unfeasible.
Asset tracking makes it possible to identify equipment that needs to be monitored and, when necessary, to plan for its replacement.
Instrument lifecycle management aims to ensure their availability and reliability while controlling resources and maintenance costs.
Even with a preventive maintenance program, some instruments may malfunction and require corrective action.
Fuji Electric offers diagnostic and repair services for its industrial measuring instruments.
Depending on the nature of the defect, the type of instrument, and the technical resources required, repairs can be performed on-site or in the workshop.
These operations may include identifying the malfunction, replacing components, performing repairs, and conducting the necessary checks before the equipment is put back into service.
A technical assessment helps determine whether repair is appropriate or whether replacing the instrument is a better option.

Gas analysis systems are used to monitor industrial processes, particularly in combustion facilities, industrial boilers, and air emissions monitoring systems.
These systems are used, in particular, in industrial combustion and heating facilities, where emissions monitoring helps track environmental performance.
Their proper functioning depends not only onanalyser but also on the equipment used for sample collection, transport, and packaging.
Maintenance of gas analysis systems must cover the entire measurement chain in order to ensure the quality of the results.
Drawing on its expertise in the design of gas analysis systems and gasanalysers cabinets, Fuji Electric offers maintenance services tailored to the operating conditions of the facilities. Drawing on its expertise in the design of gas analysis systems and gasanalysers cabinets, Fuji Electric offers maintenance services tailored to the operating conditions of the facilities.
Maintenance also applies to accessories associated with analysers, including fittings, valves, pressure regulators, and sampling devices.
| Equipment | Maintenance Operations |
|---|---|
| Sampling Probe | Inspection, cleaning, and condition assessment of components |
| Filters and Pre-filters | Inspection and replacement based on the degree of fouling |
| Heated sampling line | Checking the temperature, condition, and seal |
| Sampling pump | Checking Suction, Flow Rate, and Wear |
| Gas cooler or dryer | Monitoring Cooling and Condensate Drainage |
| Gas Circuits and Solenoid Valves | Checking for leaks, connections, and switches |
| gas analysers | Cleaning, functional testing, metrological checks, and adjustments |
| Analysis Cabinet | Checking the ventilation, air conditioning, and filters |
| Data Acquisition System | Verification of Alarms, Communications, and Software Settings |
The P2 maintenance contract covers the scheduled maintenance of the equipment that makes up an atmospheric exhaust gas analysis system.
It allows you to schedule preventive maintenance one or two times a year, depending on the plan you choose.

During service calls, Fuji Electric technicians:
The P2 contract allows you to organize preventive maintenance for the analysis system while maintaining a record of the work performed.
Some plans may include additional benefits. Their exact details are specified in the terms and conditions.
| Equipment | Consumables and Wear Parts |
|---|---|
| 1. Sampling probe | Ceramic filter, sintered stainless steel filter, filter cartridge, O-rings (Viton, FKM, PTFE), flat gaskets, seals, flange gaskets |
| 2. Backblow System | Solenoid valve seals, valve diaphragms, compressed air filter cartridges, pneumatic silencers |
| 3. Heated sampling line | PTFE/PFA inner tubes, connection seals, fittings and sealing rings, insulating sleeves |
| 4. Gas Conditioning Unit | Particulate filters, fine filters, coalescing filters, hydrophobic filters, filtration membranes, filter holder gaskets |
| 5. Refrigeration Unit | Heat exchanger gaskets, connection gaskets, heat exchanger (replacement part), downstream filter cartridges |
| 6. Gas sampling pump | Diaphragms, bellows, suction/discharge valves, gaskets, pump heads, repair kit, complete replacement pump |
| 7. Peristaltic condensate pump | Peristaltic tubes, rollers, hoses, drain hoses, complete replacement pump |
| 8. Condensate Management | Hydrophobic filters, condensate trap seals, drain pipes, liquid detector membranes |
| 9. Pneumatic circuit | PTFE/FEP/PFA tubing, fittings, seals, solenoid valve diaphragms, check valves, pneumatic filters |
| 10. Flow Measurement and Control | Flowmeter floats and tubes, rotameter seals, orifices, regulator seals, control diaphragms |
| 11. NOx converter (NO₂ to NO) | Catalytic converter, catalytic converter components, high-temperature gaskets, internal tubes |
| 12. NDIR/UV Gas Analyzer | Internal filters, measurement cell seals, windows and optical benches, cuvette seals, lamps or light sources depending on the technology, maintenance kit |
| 13. Oxygen Analyzer | Electrochemical cell, oxygen sensor, cell seals, protective filters, electrolyte (if applicable) |
| 14. Zirconia O₂ Analyzer | High-temperature gaskets, ceramic filters, protective components, zirconia cell (replacement part) |
| 15. Calibration System | Calibration gas cylinders, zero gas, purification cartridges, regulator seals, regulator diaphragms, fittings |
| 16. Analysis Cabinet | Ventilation filters, air conditioning filters, filter foam, air intake filters, fans, desiccant cartridges |
| 17. Cabinet Air Conditioning | Air filters, washable or replaceable filters, fans, door gaskets, condenser filters (depending on design) |
| 18. Additional gas treatment | Activated carbon, chemical absorbents, desiccant cartridges, silica gel, neutralization cartridges, drying membranes |
| 19. Dust Detection / Opacimeter | Purge air filters, filter cartridges, optical window seals, cleaning kits |
| 20. General Maintenance | Seal kits, fuses, flexible hoses, clamps, optical cleaning supplies, compatible sealants |
A failure in the analysis system may disrupt emissions monitoring, result in the unavailability of measurements, or require corrective action.
The P2d troubleshooting option supplements the preventive maintenance program by providing assistance in the event of a malfunction.
Our technicians investigate the cause of malfunctions, identify the point of failure, and perform the services specified in the contract.
When immediate repair is not possible, they may propose interim measures appropriate to the situation.
The P2d option provides predefined troubleshooting procedures to supplement scheduled maintenance visits.
The exact terms of coverage, exclusions, service calls, and covered parts are specified in the contract.
Monthly Preventive Maintenance (P2m)
The P2m plan includes one visit per month to perform the inspection and maintenance tasks specified in the contract, in addition to the annual maintenance visits.
It can be adapted for use in systems subject to demanding operating conditions, particularly when there is significant fouling or when close monitoring is required.
The P2t plan includes one visit per quarter, in addition to the annual inspections.
It allows for regular monitoring of equipment when operating conditions do not require a monthly inspection.
The choice between P2, P2m, and P2t must take into account the system's criticality, its operational history, and the operations already performed by the site teams.
Automated systems for measuring air emissions may be subject to specific quality control and quality assurance requirements.
The NF EN 14181 standard defines, among other things, the QAL2, QAL3, and AST procedures when applicable to the installation.
The QAL2 procedure is used to establish a calibration function and to evaluate the variability of the results from the automatic measurement system.
It is based on comparisons between the automatic measurement system (AMS) and the standardized reference methods (SRM) carried out under the conditions specified by the applicable requirements.
The AST, or Annual Surveillance Test, is designed, among other things, to verify that the system’s calibration function and metrological performance remain valid.
The QAL3 procedure involves the regular monitoring of the drift and accuracy of the automatic measurement system.
It relies on inspection procedures and monitoring methods tailored to the equipment.
Fuji Electric technicians can assist with inspection operations in coordination with the organization conducting the inspection.
This assistance may include:
QAL2/AST maintenance and support help keep the system in working order, but do not replace the regulatory tests conducted by the relevant authorities.
Industrial facilities subject to continuous emissions monitoring must have usable measurement data in accordance with applicable regulatory requirements.
A failure in data collection, packaging, oranalyser may affect the availability and quality of this data.
Maintenance operations help keep systems in good working order and facilitate preparation for inspections.
They can also support the quality of the information used for environmental reports, particularly GEREP when such a report applies to the facility.
Regular maintenance is an important part of managing the monitoring system, although it does not, on its own, guarantee the facility’s regulatory compliance.
The contract must be selected based on the equipment involved, the criticality of the measurements, and operational constraints.
| Service | Frequency or Principle | Objective |
| Maintenance of Measuring Instruments | As specified in the contract | Instrument Reliability and Monitoring |
| Calibration and Verification | According to a defined frequency | Metrological Control |
| Instrument repair | As needed | Restoration of Operations |
| CEMS P2 Maintenance | 1 to 2 visits per year | Preventive Maintenance |
| CEMS P2d Troubleshooting | Upon request, as specified in the contract | Roadside Assistance |
| CEMS P2m Maintenance | Additional Monthly Visits | Enhanced Monitoring |
| CEMS P2t Maintenance | Additional Quarterly Visits | Periodic Monitoring |
| QAL2/AST Support | According to the applicable schedule | Technical Support for Inspections |
Services are defined based on the scope of the installation and the agreed-upon terms.
The maintenance contract serves several operational objectives.
| Objective | Indicator |
|---|---|
| Reduce Failures | Number of breakdowns and incidents |
| Improve availability | Equipment Downtime Duration |
| Ensuring Measurement Quality | Audit Findings and Identified Deviations |
| Follow the maintenance schedule | Rate of completion of scheduled visits |
| Improving Traceability | Availability of Reports and Certificates |
| Controlling Expenses | Annual Cost of Maintenance and Repairs |
| Planning for Replacements | Number of devices at risk of becoming obsolete |
These indicators can help the operator assess the effectiveness of its program.
The results depend on the initial condition of the fleet, operating conditions, the resources allocated, and the scope of the study.

Fuji Electric has expertise in industrial measurement technologies and continuous emissions monitoring systems (CEMS)
This expertise enables us to assist manufacturers with the diagnosis, inspection, and maintenance of their equipment.
Maintenance can be combined with other Fuji Electric services, such as commissioning,calibration, repair, and technical support.
This complementary approach makes it easier to track equipment from the time it is installed through maintenance and replacement.
Interventions are planned taking into account site operations, process operating conditions, access to equipment, and safety requirements.
Fuji Electric's teams work with their industrial customers to develop solutions tailored to their equipment and operational constraints.
Our approach aims to anticipate failures, maintain measurement quality, and support initiatives to improve the long-term reliability of industrial equipment.
This agreement defines the equipment covered, maintenance procedures, the frequency of service calls, and the terms of service. It enables the organization of preventive maintenance and, depending on the plan, corrective services. A performance-based contract sets specific, quantifiable objectives for the service provider.
Preventive maintenance includes procedures designed to reduce the likelihood of failure or deterioration. Preventive maintenance reduces breakdowns by 30 to 50 percent.
Corrective maintenance is performed after a breakdown or malfunction has been detected.
A contract can be developed for pressure transmitters, flow meters, level instruments, temperature equipment, and gas analysis systems. The scope depends on technical capabilities and operating conditions. The assessment of industrial equipment includes an inventory and an evaluation of the criticality of the equipment.
Yes, Fuji Electric offers periodic maintenance services for instrument fleet management. Inspections and procedures are determined based on the model numbers, the condition of the devices, and the criticality of the measurements.
The frequency depends on the equipment's environment, its history, the manufacturer's recommendations, and quality requirements. A technical analysis helps determine an appropriate inspection schedule. Regular inspections can reduce breakdowns by 18%.
Calibration determines the relationship between an instrument’s readings and reference values. Maintenance includes procedures designed to maintain or restore its proper functioning. The two services are complementary.
The scope is defined in the contract. Some parts or consumables may be included, while other replacements may require an additional quote.
Fuji Electric offers, among other services, P2 for scheduled maintenance, P2d for troubleshooting, and P2m or P2t for monthly or quarterly preventive maintenance.
QAL2 involves the calibration and assessment of the variability of the automated measurement system. QAL3 involves the monitoring of drift and accuracy during operation. The AST periodically verifies that performance and calibration functionality are maintained.
The term depends on the customer’s needs and the terms offered. It may be set for one or more years, with renewal terms to be specified. The term of a maintenance contract is often 1 to 3 years, with renewal terms.
Yes, Fuji Electric offers both on-site and in-shop services, depending on the equipment and the specific tasks involved. Feasibility and conditions are determined during the needs assessment.
The price depends on the type of instruments, the number of pieces of equipment, the procedures required, and the conditions of the procedure.
The main criteria include:
A customized quote allows us to develop a maintenance plan tailored to the technical needs and budget of your facility.