Electrostatic Precipitator Datasheet: How to Read One, Field by Field, Before You Put It in a Tender or a Purchase Order

An electrostatic precipitator datasheet is the maker’s own declaration for a model: its rated airflow, dimensions, connections, supply and design ratings. It measures nothing and certifies nothing. The fifteen fields below let you mark each line on a supplier’s sheet as a declaration, a measurement or a blank, before the model goes into a tender or a purchase order.

The expensive reading error is not missing a field. It is reading one kind of line as another: a design percentage as a test result, a brochure supply voltage as the supply the unit will be built for, a series table as the dimensions of the model quoted, a row of certification logos as certificates. Each of those is a line on a datasheet that looks complete and is not, and each one surfaces later, in a tender query, on the drawing, or on delivery day.

This page helps you decide whether the datasheet that arrived with a kitchen ESP or ecology unit quotation can stand as the technical basis of that quotation, which of its lines need a basis attached before they mean anything, and what to send back when a line is blank. It gives a fifteen-field reading sheet, explains the three lines that carry a number without a meaning until their basis is stated, and fills the sheet in for our own datasheets, including the lines we leave blank on purpose. It does not select a model, price one or say whether a market accepts a given document. For the laboratory report behind an efficiency figure, see our electrostatic precipitator test report page; for the model tables themselves, see the LK-E series page.

What an ESP datasheet is, and what it is not

A kitchen ESP datasheet is written by the maker, about a model, and it declares what that model is built to: the airflow it is rated for, the design tier of its efficiency, the resistance of its collector field, the supply it is configured for, its envelope, its flange and its weight. Nobody outside the maker checks it. That is not a defect; a datasheet is the only document that can carry dimensions and connections, because only the maker knows them. The error is reading it as if someone had.

Two other documents travel with a quotation, and each one does a job the datasheet cannot. A test report is a laboratory’s record of one unit, tested at stated airflows and stated inlet loads, under a named method; its number is a measurement, and it holds for the model it names. A certificate is a certification body’s statement that named models were assessed against a named standard; it proves nothing about performance in your duct, and it covers only the models on its list. The three documents are written by three authors, and the first thing to settle on any quotation is which document is answering which line. Our ecology unit specification page sets the same three beside the consultant’s specification clause, from the writer’s side; this page reads them from the buyer’s side.

Our own datasheets are issued per series on request and emailed within one business day, as listed on the document request page. The LK sheet carries model-by-model dimensions, airflow, power supply, pressure drop and duct connection sizes. The LK-E, HME, UV and activated carbon sheets carry the fields their own models publish, which differ by module; the section on our own datasheets below lists them. A quotation from us arrives with the datasheet for the quoted models and the certificate copies that name them, as set out on our supplier profile. The sheet in the next section reads any supplier’s datasheet, ours included.

The 15-Field ESP Datasheet Reading Sheet

An electrostatic precipitator datasheet is read one field at a time, and every field gets one of three marks: a declaration the maker stands behind, a measurement with its basis attached, or a blank. The sheet below has one row per field. The second column says what the field tells you; the third says what it cannot prove, which is where most reading errors are made; the fourth says what to ask for when the field is blank or carries a number without its basis. Copy the first column into a spreadsheet, one column per model quoted, and fill it from the datasheet itself, not from the covering email.

A datasheet that fills all fifteen fields for the model quoted, with the three basis lines stated, can stand as the technical basis of the quotation. A sheet with blanks is completed by questions before the model goes into a tender or an order; a blank is not a mark against the supplier, but a filled line that contradicts the quotation is.

The 15-Field ESP Datasheet Reading Sheet (our own reading sheet, not an industry standard)

Decision rule. IF fields 2, 3 and 4 carry numbers with no basis beside them, THEN return the sheet with those three lines queried before anything else is read, BECAUSE the physical fields below them are only worth checking for a model that is the right size, at the claimed efficiency and within the fan’s allowance. The three basis lines are the subject of the next section; the physical lines follow.

Rated airflow, efficiency and pressure drop: the three lines that need a basis

Three lines on every datasheet carry a number that means nothing until its basis is stated: the airflow it is rated at, the efficiency figure and the pressure drop. The other twelve fields are either plain facts about a box or references to another document. These three move with airflow, with method and with where the measurement was taken, and a figure printed without those conditions is a declaration however many decimals it carries.

Rated airflow is the nameplate figure the maker assigns to the model, and the two questions to put to it are whether it is per unit or per duct, and what airflow the other two lines were read at. The Chinese test regulation that our laboratory reports cite, HJ/T 62-2001, in force since 2001-08-01, tests a unit at its rated airflow and again at 80% and 120% of it, with the inlet concentration adjusted. That is the clearest statement a method can make that the rating is a reference point and not a promise: the same unit is expected to read differently above and below it. A datasheet that prints one airflow and one efficiency is quoting the reference point only.

The efficiency figure is either a design tier or a measurement, and the datasheet should say which. Our LK-E range is published in three design tiers, 90%, 95% and at least 98% for the E0, E1 and E2 grades, marked as design efficiency on the LK-E series page; a tier is what the grade is built to, not a laboratory result for the model you are quoted. A measurement is a different thing, and it comes with its conditions. One of our LK120 units, tested by one laboratory under HJ/T 62-2001, read 97.4% at 80% of rated airflow, 96.0% at rated airflow and 95.2% at 120% of it, in the report numbered 2024I20-35-5322488001. The three figures are one model on one day. Which of them applies to your duct depends on the airflow your fan delivers. The highest figure in our LK range, up to 97.6%, was read on an LK160 at 16,000 m³/h in report ZY05W230298, and that is how it is quoted: with its model, its airflow and its report. A datasheet percentage with none of those is a tier, and goes into a tender as a tier.

Two other methods are named on specifications and should be recognized on sight. ASTM F2519-05(2025), the Standard Test Method for Grease Particle Capture Efficiency of Commercial Kitchen Filters and Extractors, is active and was last updated on 2025-08-22; its clause 1.1 says it can be used to determine the grease particle capture efficiency of components and systems. A figure quoted under it is a measurement under that method, not under HJ/T 62-2001, and the two are not compared number for number; our ASTM F2519 page explains why. UL 867, Electrostatic Air Cleaners, is an electrical safety standard; a listing under it says nothing about grease efficiency, and a datasheet that puts a UL mark beside an efficiency figure is placing two unrelated statements on one line. Our listing under File E522667 covers the LK and SE 6K, 12K and 18K models at 230 V, 50 Hz.

Pressure drop has two bases, and datasheets from different makers use different ones without saying so. The first is the collector field alone: the resistance of the cells and their frames. The second is the complete unit, with the air-distribution plate that spreads the flow across the field, at a stated airflow. Our LK-E sheet prints an equipment resistance of 23, 31 and 34 Pa for the E1, E0 and E2 grades, which is the field itself; our in-duct units are quoted as a complete unit, with the standard air-distribution plate, at no more than 150 Pa. The two figures are not in conflict; they are two bases, and the one the fan selection needs is the complete-unit figure at the design airflow. How two quotations can print the same stage with figures that are not comparable is worked through on our ecology unit price page. An integrated ESP hood with its own fan is not quoted with a pressure drop figure, which is why our HME sheet has no such line.

Dimensions, flange, weight, supply and power: the lines that decide whether it fits and runs

The lines that stop an installation are the physical ones, and they have to be read for the model quoted, not for the series. A series table lists every cabinet in the range; the model on your quotation occupies one row of it, and the neighboring rows are the wrong dimensions for your duct. The first check on fields 7 to 10 is therefore that the row you are reading carries the model number on the quotation.

The second check is that the same airflow does not mean the same cabinet. On our LK-E sheet, two of the grades rated at 8,000 m³/h, the E1 and the E2, are different boxes. The LK80E1 is 1,524 × 560 × 833 mm with a 1,277 × 614 mm flange and weighs 116 kg. The LK80E2, at the same airflow, is 1,524 × 848 × 833 mm with the same flange and weighs 189 kg, and the sheet prints its rated power at 308 W. A quotation that upgrades the grade without re-issuing the row has changed the width and the weight of what arrives. Read the row for the grade quoted.

Two published rows from the LK-E datasheet; the full tables by grade are on the LK-E series page.

Flange and hole pattern. Field 8 says the connection size; it does not say the holes line up. Two flanges of one overall size can carry different pitches, hole diameters and edge distances, and the pattern usually lives on the drawing rather than the datasheet. Where it differs from the duct, an adapter plate is routine, but it adds length, and length is what a replacement position rarely has spare; the four measurements that settle a replacement are on our ESP replacement page. On a new installation the duct is drawn around the flange, so the datasheet figure is enough until the drawing stage.

Weight. A three-stage train is three point loads, and the heavy one is the carbon stage. Our published 8,000 m³/h example, an LK80E1 at 116 kg followed by a UV80 at 55 kg and a CB80 at 215 kg, is worked through on the ecology unit installation page. The point for the datasheet reader is that the weight line is read per module and passed to whoever designs the hangers, not averaged.

Supply. The supply printed on a datasheet is the supply the brochure model is drawn for, and on a configured-to-order unit it is a default. Our units are configured to order for 220 V or 380 V at 50 or 60 Hz, and the LK-E sheet prints 220 V, 50 Hz as its brochure input. What the unit is actually built for is what is written on the proforma invoice, and that figure comes from the panel that will feed the unit, read by the electrician making the connection, not copied from the datasheet. A unit built for the wrong supply is rebuilt, not adjusted, which is why row 7 of our enquiry sheet asks for the panel reading before a quotation is issued.

Power. The watts line is the rated input of the unit at the stated supply, and the high-voltage power supply is the main load; our LK-E2 sheet prints it per model, from 112 W on the LK30E2 upward, while the E0 and E1 sheets leave it blank. The fan is not in that figure on our sheets, and should not be assumed to be in anyone else’s, because the fan is selected against the total static pressure of the configuration and is not a property of the module.

Access and the outdoor position. Field 13 is the clear distance in front of the access face. Our UV and activated carbon modules publish a maintenance space of 1,000 mm; for an in-duct ESP the figure is model-specific and is confirmed with the configuration proposal, which is why field 13 asks for it on the drawing rather than from a catalog number. Field 14 only matters when the position is outdoors or wet, and then it matters a great deal. The IP code is defined in IEC 60529, Degrees of protection provided by enclosures, in its consolidated edition of 1989 with the amendments of 1999 and 2013. Our record is certificate BKC-190300574C of 2019, to EN 60529, the European adoption of that standard, naming LK30 to LK320 and LK30E1 to LK150E1 as tested to IP55. A model outside that list, or any other maker’s indoor model, placed on a roof needs either its own record or an enclosure in the quotation.

Decision rule. IF the datasheet row for the quoted model fills fields 7, 8 and 10, and the site has been measured for the service side and the straight run, THEN the next document is the general arrangement drawing, BECAUSE the datasheet gives the envelope of a module and only the drawing gives the installed length of the configuration. Transitions, hole pattern and service side appear on the drawing, not on the datasheet. What to check on that drawing before production starts is the subject of our drawing approval page.

Our own datasheets, against the sheet

Our datasheets are issued per series on request and read against the same fifteen fields as anyone else’s, so here is where each field is answered on ours, and which fields are answered by another document or left blank. Five sheets exist: the LK in-duct series, the LK-E engineering series in its three grades, the HME integrated ESP hood, the UV photolysis module and the CB activated carbon module. Each is emailed within one business day of a request through the document request page, and the sheet for the quoted models travels with every quotation.

Five lines are blank on our sheets, and blank on purpose. The cleaning interval depends on the cooking duty, the hours and the grease load, so we state it in writing at quotation for the kitchen described, not as a number on a page; a sheet that gives one interval for every kitchen is giving a sales figure. UV lamp life and ozone output are not printed because we hold no source we would put a number to. Noise is not a datasheet line; where a laboratory measured it on a unit, the figure is in that report and belongs to that unit. Fan data is not on any module sheet, because a fan can be supplied with a kitchen ecology unit and is then selected against the total static pressure of the configuration, which is a quotation line, not a catalog line. A reader who finds those five blanks on our sheet has found them where we put them.

Scope and limits

The sheet reads a document. Three things follow it, and reading the document well does not do them.

• Selection. The datasheet tells you what a model is; it does not tell you which model your kitchen needs. That follows from the cooking duty, the design airflow and the stages the discharge requires, as set out on our kitchen exhaust filtration page, and it is settled before the datasheet is read.
• The site. Fields 7 to 10 and 13 are interfaces with a duct, a panel and a plant room that the datasheet has never seen. A sheet can be complete and the unit can still not reach the position; that is settled on the drawing.
• Operation. Source capture at the hood, the airflow the fan actually delivers, the condition of the cells and the cleaning regime decide the outlet in service, and no field on a datasheet measures them. The regime is written into the order, as described on our cleaning page.

What this page does not do: it does not compare one maker’s datasheet with another’s as a product judgment, and it does not say whether a given market accepts a given document. It does not read a certificate of origin, a test report or a specification clause; each of those has its own page. Where a specification names a method or a document list, the documents we hold for the quoted models are assembled to that list, and the list is stated on row 9 of the enquiry sheet.

Buyer record and key takeaways

Before the model goes into a tender or a purchase order, your file should hold:

• The datasheet row for the model number on the quotation, with that number printed on the page you filed.
• The three basis lines resolved: the design airflow and the unit count; the efficiency marked as a tier or attached to a report; the complete-unit pressure drop at the design airflow, passed to whoever selects the fan.
• The supply the unit will be built for, from the panel reading, written on the proforma invoice rather than copied from the sheet.
• The weight per module and the access figure per module, passed to the hanger design and the drawing check.
• The certificate copies read against the model number, and the blanks you accepted, with the reason recorded beside each one.

Key takeaways

• Three authors: the datasheet declares, the report measures, the certificate names models; no one document does another’s job.
• Three basis lines: rated airflow, efficiency and pressure drop carry a number that means nothing until its airflow, method and basis are stated beside it.
• The row, not the table: dimensions, flange and weight belong to the model quoted; the same airflow in another grade is a different cabinet.
• Supply is written, not printed: the datasheet voltage is a default; the proforma invoice carries the one the unit is built for.
• Blanks are information: a cleaning interval, a lamp life or a noise figure printed without a source is a weaker line than an honest blank.

Frequently asked questions

What should an electrostatic precipitator datasheet contain?

For each model: the model number, rated airflow, the efficiency figure marked as a design tier or attached to a test report, the pressure drop with its basis and airflow, the supply voltage, frequency and phase, the rated power, dimensions, flange size, weight, the collector cell material and withdrawal, the module interfaces for UV and carbon stages, and the maintenance space. The bolt-hole pattern usually sits on the drawing, the IP rating on a certificate, and the cleaning interval on the quotation for your kitchen.

Is the efficiency on a datasheet a tested value?

Only if the sheet says so and names the airflow, the method, the model, the report number and the laboratory. A percentage printed alone is a design tier, which is the maker’s declaration of what the grade is built to. Our LK-E range is published in three design tiers, 90%, 95% and at least 98%, marked as design efficiency; our measured figures are in third-party reports that name the model and the airflow, such as 97.6% on an LK160 at 16,000 m³/h in report ZY05W230298.

Why do two datasheets give such different pressure drops for similar units?

Because they use different bases. One prints the resistance of the collector field alone; the other prints the complete unit with its air-distribution plate, at a stated airflow. Our LK-E sheet prints the field resistance, 23 to 34 Pa by grade, and our complete in-duct units are quoted at no more than 150 Pa with the standard plate. Ask every supplier for the complete-unit figure at your design airflow before the fan is selected.

Can I use the supply voltage printed on the datasheet for my order?

No. The printed supply is the brochure default. Our units are configured to order for 220 V or 380 V at 50 or 60 Hz, and the supply the unit is built for is the one written on the proforma invoice, taken from a reading at the panel that will feed it. A unit built for the wrong supply is rebuilt rather than adjusted, so the reading is sent with the enquiry.

Which lines does your datasheet leave blank, and why?

Cleaning interval, UV lamp life, ozone output, noise and fan data. The cleaning interval is stated in writing at quotation for the kitchen described, because it depends on the cooking duty and hours. Lamp life and ozone output are not printed because we hold no source we would put a number to. Noise belongs to the laboratory report of the unit it was measured on. The fan is selected against the total static pressure of the configuration and appears on the quotation, not on a module sheet.

Holding a datasheet with blank fields?

Send us the model number on your quotation and the design airflow. We send the datasheet for that model, the certificate copies that name it, and on request the test report with its airflow and report number, within one business day; mark the fifteen fields from those documents and send back any you cannot fill. If the quotation is ours, the sheet is already in it; if it is another supplier’s, send the design airflow and we send the datasheet for the equivalent model in our range, so that both sheets can be read on one basis.

Send the model number and the airflow →

If the quotation has not been requested yet, start with the ten-input enquiry sheet; a quotation written against it arrives with the datasheet for the quoted models and the three basis lines already stated.

Why we write this. The datasheet is the one document on a quotation that nobody outside the maker checks, and it is read as though someone had. The questions behind it are whether the percentage on another maker’s sheet is a test result, and whether the voltage on ours is the one the unit will be built for. This page answers both by reading the sheet one field at a time. It does not select or price equipment; selection and quotation live on the product pages.

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References & further reading

1. Test regulation cited on our laboratory reports: HJ/T 62-2001, Test regulation for cooking fume control equipment (in force 2001-08-01; tests at rated airflow and at 80% and 120% of it). mee.gov.cn
2. Capture-efficiency method named on North American specifications: ASTM F2519-05(2025), Standard Test Method for Grease Particle Capture Efficiency of Commercial Kitchen Filters and Extractors (active; updated 2025-08-22). store.astm.org
3. Ingress protection: IEC 60529, Degrees of protection provided by enclosures (IP Code), consolidated edition 1989 with amendments 1 (1999) and 2 (2013). webstore.iec.ch
4. Electrical safety: UL 867, Electrostatic Air Cleaners. shopulstandards.com
5. Our own documents: the document request page (series datasheets, manuals, certificate pack and test reports, emailed within one business day), the LK-E series page (model tables by grade) and the certificates page (certificate copies by product line).

Related reading

• Electrostatic precipitator test report: the fourteen fields to read on the laboratory report behind any efficiency figure on field 3.
• Ecology unit specification: the thirty clauses a consultant writes, and which document answers each one, from the writer’s side.
• Electrostatic precipitator quotation comparison: the sixteen lines that put three offers on one basis once each datasheet has been read.
• Electrostatic precipitator quotation: the ten inputs to send so that the datasheet that comes back is for the right model at the right airflow.