Electrostatic Oil Mist Purifier Inspection Service – Accredited Performance, Safety and Environmental Compliance Testing for Global Markets
Our internationally accredited laboratory delivers a specialist electrostatic oil mist purifier inspection service that supplies manufacturers of industrial air‑cleaning equipment, machine‑tool enclosures, commercial kitchen ventilation systems, metal‑working fluid mist collectors and diesel‑engine crankcase ventilation filters worldwide with the independent, traceable data they need to verify the particle‑removal efficiency, the ozone emission, the electrical safety, the mechanical durability and the long‑term operational reliability of their electrostatic‑precipitation‑based air purification devices. Every test is conducted under the rigorous framework of ISO/IEC 17025, and each report bearing the ILAC mark is unconditionally accepted by regulatory authorities, notified bodies and supply‑chain partners in all major economies. The electrostatic oil mist purifier inspection service subjects the complete unit, its ionising and collection cells, its high‑voltage power supply, its fan and control systems, and its filter media to a comprehensive suite of electrical, mechanical, aerosol‑challenge, chemical‑emission and environmental‑ageing evaluations, providing the legally robust, defensible engineering data that underpin the CE marking, the UL and the ETL certification, the compliance with the ISO 15012‑1, the EN 1822, the GB/T 17939 and the customer‑specified standards, and the guarantee of the clean, the healthy and the safe workplace air quality.

Product Samples We Regularly Inspect Under Our Electrostatic Oil Mist Purifier Inspection Service
The aerosol‑generation and the particle‑counting test rigs, the ozone‑monitoring analysers, the high‑voltage safety testers, the vibration shakers, the environmental‑exposure chambers, the airflow‑measurement tunnels and the material‑compatibility immersion baths in our facility accommodate a broad variety of electrostatic oil mist purifier designs and their sub‑assemblies. The following categories represent the most frequently tested items:
- Machine‑tool‑mounted electrostatic oil mist collectors – the compact, the single‑stage and the two‑stage electrostatic precipitators that are directly attached to the CNC machining centres, the grinding machines and the parts‑washers to capture the water‑soluble and the straight‑oil coolant mists
- Centralised and the ducted electrostatic oil mist filtration systems – the larger, the high‑airflow units that serve the multiple machine tools through a network of ducts, and that may incorporate the pre‑filtration, the electrostatic‑cell, the after‑filter and the induced‑draft fan in a single housing
- Commercial kitchen electrostatic grease and the smoke purifiers – the under‑hood and the in‑line electrostatic precipitators that are installed in the restaurant, the hotel and the catering‑facility exhaust systems to remove the cooking oil‑aerosol and the visible smoke, evaluated for the fire‑safety, the cleanability and the compliance with the UL 867 and the UL 710
- Automotive and the engine‑test‑cell electrostatic oil mist separators – the units that are designed to remove the blow‑by oil mist from the engine crankcase ventilation and the dynamometer‑test‑cell exhaust, tested for the resistance to the high‑temperature, the corrosive combustion‑gases and the vibration
- Electrostatic‑cell sub‑assemblies and the high‑voltage power supplies – the individual ioniser‑collector cells, the tungsten‑wire discharge electrodes, the aluminium collection plates and the electronic high‑voltage generators, evaluated for the insulation‑resistance, the arc‑protection and the ozone‑generation rate
- Prototype, field‑returned and the accelerated‑ageing‑exposed electrostatic oil mist purifier specimens – the units that have undergone the prolonged operation, the oil‑loading, the washing‑cycle or the in‑service failure, submitted for the residual‑efficiency, the cell‑corrosion and the root‑cause failure analysis
Aerosol Filtration Efficiency and Air Cleaning Performance – Electrostatic Oil Mist Purifier Inspection According to ISO 15012‑1, ISO 16890 and the Customer Specifications
- Determination of the fractional and the gravimetric oil‑mist removal efficiency by the aerosol‑challenge test according to the internal validated protocol and the principles of ISO 15012‑1 (Health and safety in welding and allied processes – Requirements, testing and marking of equipment for air filtration – Part 1: Testing of the separation efficiency for welding fume and grinding dust, adapted for the oil‑mist) and ISO 16890‑1 (Air filters for general ventilation – Part 1: Technical specifications, requirements and classification system based upon particulate matter efficiency): a precisely controlled polydisperse oil‑mist aerosol – typically the DEHS, the poly‑alpha‑olefin or the mineral‑oil – is generated and introduced into the inlet of the purifier, and the particle‑number and the mass concentrations are measured upstream and downstream by the optical particle counters and the gravimetric sampling. The fractional efficiency for the particles in the 0.3 µm to 10 µm size range, the gravimetric mass‑removal efficiency and the clean‑air delivery rate are reported, providing the fundamental performance data that the industrial‑hygienist uses to specify the correct purifier for the target machine‑tool enclosure and to guarantee the compliance with the occupational‑exposure limits. This electrostatic oil mist purifier inspection service verifies that the unit meets the declared efficiency class.
- Measurement of the total‑particulate‑matter and the PM2.5/PM10 emission concentration in the cleaned exhaust air according to the ISO 15012‑1 and the internal procedures: the purifier is challenged with a defined oil‑mist loading, and the mass concentration of the oil aerosol in the exhaust is measured by the filter‑gravimetric or the real‑time aerosol‑photometer method, providing the data that the plant‑engineer uses to demonstrate the compliance with the local air‑pollution‑control permit and the workplace‑exposure standards.
- Evaluation of the oil‑loading capacity and the efficiency‑retention during the continuous and the cyclic operation: the purifier is operated for an extended period while the oil‑mist is continuously injected, and the pressure‑drop across the electrostatic cell and the particle‑removal efficiency are monitored, providing the data that the maintenance‑planner uses to set the cleaning‑interval and to predict the cell‑washing frequency.
- Resistance to the oil‑fouling, the water‑condensation and the recovery of the efficiency after the washing according to the internal validated protocol: the electrostatic cell is deliberately fouled with a mixture of the oil and the water, and the loss of the efficiency and the recovery after the standardised detergent‑washing or the ultrasonic‑cleaning procedure are measured, certifying the cleanability and the long‑term performance of the cell design.
Ozone Emission, Electrical Safety and High‑Voltage Integrity – Electrostatic Oil Mist Purifier Inspection According to UL 867, IEC 60335‑2‑65 and the Internal Protocols
- Determination of the ozone‑generation rate and the ozone concentration in the exhaust air according to the internal validated protocol and the principles of the UL 867 (Standard for Electrostatic Air Cleaners) and the ISO 16000‑28 (Indoor air – Determination of odour emissions from building products using test chambers, adapted for the ozone): the purifier is operated in a sealed test‑chamber at the rated airflow and the voltage, and the ozone concentration in the chamber exhaust is measured by the ultraviolet‑absorption or the electrochemical‑sensor ozone analyser, providing the data that the manufacturer uses to certify that the ozone emission does not exceed the regulatory limit – typically 50 ppb in the US and 5 mg/h in the EU – and that the unit is safe for the continuous occupancy of the workplace. This electrostatic oil mist purifier inspection service is mandatory for the health‑safety certification of every electrostatic air‑cleaning device.
- High‑voltage safety, the insulation‑resistance and the dielectric‑voltage‑withstand testing according to the UL 867, the IEC 60335‑2‑65 (Household and similar electrical appliances – Safety – Part 2‑65: Particular requirements for air‑cleaning appliances) and the internal procedures: the high‑voltage power supply, the ioniser‑cell and the safety‑interlock switches are tested for the insulation‑resistance, the leakage‑current and the dielectric‑withstand, and the automatic‑discharge and the short‑circuit‑protection functions are verified, certifying the electrical safety of the purifier against the electric shock and the fire hazard.
- Arc‑detection and the arc‑suppression testing according to the internal validated protocol: the electrostatic cell is deliberately short‑circuited or is subjected to the extreme oil‑fouling, and the response‑time and the effectiveness of the arc‑detection and the automatic‑voltage‑reduction circuit are measured, ensuring that the unit will not sustain a continuous arc that could ignite the accumulated oil and cause the fire.
- Electromagnetic‑compatibility – the conducted‑and‑radiated emission and the immunity testing according to the IEC 61000‑6‑3 (Emission standard for residential, commercial and light‑industrial environments) and the IEC 61000‑6‑2 (Immunity standard for industrial environments): the purifier is operated with its high‑voltage generator, and the electromagnetic‑disturbance emission is measured; the unit is also subjected to the electrostatic‑discharge, the radiated‑radio‑frequency and the electrical‑fast‑transient immunity tests, ensuring the compliance with the EMC Directive and the reliable operation in the industrial control‑panel and the automated‑machinery environments.
Mechanical Integrity, Airflow Performance and Environmental Durability – Electrostatic Oil Mist Purifier Inspection According to ISO 5801, ISO 9227 and the Internal Protocols
- Measurement of the fan‑airflow, the static‑pressure and the system‑resistance curve according to ISO 5801 (Fans – Performance testing using standardized airways) and the internal procedures: the purifier’s fan is tested on an airflow‑test rig, and the volumetric flow‑rate, the static‑pressure and the absorbed‑power are measured, providing the data that the ventilation‑engineer uses to design the ductwork and to calculate the energy consumption of the system. This electrostatic oil mist purifier inspection service verifies that the unit delivers the rated airflow against the specified external static‑pressure.
- Vibration, mechanical‑shock and the seismic‑resistance testing according to IEC 60068‑2‑6 (Vibration – sinusoidal) and IEC 60068‑2‑27 (Shock): the purifier is mounted on a shaker table and subjected to the vibration and the acceleration profiles that simulate the machine‑tool‑induced vibration and the transport stresses, and the post‑mechanical‑stress electrical safety, the cell‑alignment and the aerosol‑efficiency are verified.
- Resistance to the neutral salt‑spray, the condensing‑humidity and the corrosive‑coolant‑mist exposure according to ISO 9227 (Salt spray tests) and the internal procedures: the electrostatic cell, the housing and the electronic components are exposed to the salt‑fog and the damp‑heat environment, and the degree of the corrosion, the insulation‑degradation and the loss of the efficiency are evaluated, certifying the purifier for the use in the marine, the coastal and the high‑humidity manufacturing environments.
- Thermal‑cycling, the thermal‑shock and the high‑temperature‑endurance testing according to the internal validated protocol: the purifier is cycled between the minimum and the maximum rated operating temperatures, and the post‑cycling electrical integrity, the cell‑warpage and the gasket‑seal performance are assessed, providing the data that the designer uses to guarantee the reliable operation in the foundry, the forge and the cold‑storage applications.
Material Compatibility, Fire Resistance and Cleanability – Electrostatic Oil Mist Purifier Inspection for the Food‑Processing and the High‑Hygiene Applications
- Resistance to the chemical agents – the soluble‑coolant concentrates, the straight‑cutting‑oils, the alkaline‑wash detergents and the disinfectants – according to ISO 175 (Plastics – Methods of test for the determination of the effects of immersion in liquid chemicals) and the internal procedures: the electrostatic‑cell plates, the insulators and the gasket materials are immersed in the representative process‑fluids at the elevated temperature, and the change in the mass, the electrical‑insulation resistance and the mechanical strength is reported, certifying the long‑term compatibility of the purifier with the metal‑working‑coolant chemistry.
- Flame‑retardancy and the glow‑wire ignitability testing of the plastic components according to IEC 60695‑2‑11 (Glow‑wire flammability test method for end‑products) and the UL 94: the non‑metallic housing, the insulator‑standoffs and the wiring‑harness of the purifier are subjected to a heated glow‑wire, and the ignition, the flame‑duration and the ignition of the underlying tissue‑paper indicator are assessed, providing the mandatory fire‑safety data for the units that are installed in the commercial kitchens and the industrial plants.
- Cleanability and the residue‑removal effectiveness testing according to the internal validated protocol: the electrostatic cell is contaminated with a standardised oil‑and‑particulate mixture, and the effectiveness of the manual‑washing, the automatic‑wash and the ultrasonic‑cleaning procedures in restoring the original collection‑efficiency and the pressure‑drop are measured, providing the data that the facility‑manager uses to specify the correct cleaning method and the interval.
- Surface‑roughness and the Ra‑value measurement of the collection plates according to ISO 4287 (Geometrical Product Specifications – Surface texture: Profile method): the arithmetic mean roughness of the aluminium or the stainless‑steel collection plates is measured, and the result is correlated with the oil‑drainage and the cleaning‑ease, providing the quality‑control data for the cell‑manufacturing process.
Report Acceptance and Global Regulatory Compliance for Electrostatic Oil Mist Purifier Inspection
All measurements performed within our electrostatic oil mist purifier inspection service are executed under the fully accredited scope of our ISO/IEC 17025 quality management system. Each test report that carries the ILAC mark is therefore automatically recognised by regulatory authorities, notified bodies, customs offices and supply‑chain partners in all major economies. For manufacturers of industrial air‑cleaning equipment, commercial‑kitchen ventilation suppliers and machine‑tool‑mist‑collector producers anywhere in the world, the report constitutes legally robust, internationally accepted evidence that the oil‑mist removal efficiency, the ozone emission, the electrical safety, the mechanical durability, the fire resistance, the chemical compatibility and the long‑term performance of the electrostatic oil mist purifier have been determined in accordance with the applicable ISO, IEC, UL, EN and customer‑specified methods. The documentation can be directly used to support the CE marking under the Machinery Directive and the Low Voltage Directive, the UL and the ETL certification, the issue of inspection certificates according to EN 10204 or equivalent national standards, and the resolution of commercial and technical disputes concerning the safety, the efficiency and the reliability of any electrostatic precipitation‑based air purification system.