AUTOOL PT520 Differential Pressure Gauge Digital Manometer

AUTOOL PT520Product OverviewThe AUTOOL PT520 digital manometer is a dual-port differential pressure gauge for automotive vacuum, brake booster, crankcase, exhaust valve, HVAC, gas, air, oil, and water pressure checks under proper conditions. It supports positive and negative pressure measurement, differential pressure measurement, Max/Min value recording, data locking, and up to 29 sets of stored records for workshop diagnostics and maintenance.-100~200kPa Range ±0.3%FS Accuracy 29 Data Sets 10 Pressure Units2.8 inDisplay4×AAABattery PowerDual PortPressure Input3 YearsWarranty Click to enlarge Click to enlargeBefore You Order And UseBefore You Order And UseConfirm the currently supported units, battery requirement, and intended pressure test scenario before using PT520 in a workshop workflow.PA Display Not SupportedThe current PT520 version no longer supports PA unit display. Do not order PT520 if your workflow specifically requires direct PA display.Use Supported UnitsPT520 supports kPa, hPa, Torr, mbar, inHg, mmHg, inH2O, mmH2O, psi, and kg/cm². Use one of these units during measurement.Battery PoweredThe meter uses 4 × 1.5V AAA batteries. Check battery level on the screen before long tests or field work.Application ConfirmationPT520 is suitable for differential pressure, positive pressure, and negative pressure checks within its rated range. Confirm compatibility before special HVAC, gas, or non-automotive use.Non-Corrosive MediaUse the tool only with suitable non-corrosive oil, water, air, and natural gas pressure checks under proper conditions.Adapters Follow PackageMultiple adapters are shown in the product images. Final accessories should follow the packing list image and actual package contents.Key FeaturesKey FeaturesPT520 combines high-accuracy pressure sensing, dual-port differential pressure measurement, data locking, storage, unit switching, a backlit display, and practical workshop details in a compact handheld meter.High-Precision Pressure SensorThe broad -100~200kPa range and ±0.3%FS accuracy help provide responsive readings for automotive and workshop pressure checks.Positive, Negative And Differential PressureDual pressure input ports allow positive pressure, negative pressure, and differential pressure measurement for more flexible diagnostics.Data Locking And 29-Set StorageLock current readings during testing, zero data when needed, and review up to 29 stored records for later reference.10 Switchable UnitsSwitch among kPa, hPa, Torr, mbar, inHg, mmHg, inH2O, mmH2O, psi, and kg/cm². PA unit display is not supported in the current version.Readable Backlit DisplayThe HD backlit screen shows battery level, data records, Max/Min values, differential pressure, real-time positive and negative pressure, working time, and unit display.Workshop-Friendly DetailsAnti-slip silicone, side lanyard, illumination light, Type-C interface, data lock button, calibration button, and multiple measurement adapters support convenient field operation. Click to enlarge Click to enlarge Click to enlarge Click to enlarge Click to enlarge Click to enlarge Click to enlarge Click to enlargeApplicationsApplicationsPT520 helps technicians check common automotive positive, negative, and differential pressure conditions within the rated measurement range.Intake Manifold VacuumCheck intake manifold vacuum and pressure behavior during automotive diagnostics.Brake Booster PressureUse PT520 for brake booster pressure checks when the required pressure range and adapters are suitable.Crankcase Negative PressureMeasure crankcase negative pressure for maintenance and diagnostic reference.Exhaust Valve Negative PressureSupport exhaust valve negative pressure testing and related workshop pressure checks.Application NotesSuitable for pressure checks involving non-corrosive oil, water, air, and natural gas under proper conditions.Do not exceed the PT520 rated pressure range.Confirm adapter fit before connecting to pipelines with special diameters or fittings. Click to enlargeSpecificationsAUTOOL PT520 Product SpecificationsReview the PT520 power supply, pressure range, accuracy, resolution, temperature range, dimensions, and supported units before ordering.Core SpecificationsProductAUTOOL PT520 Digital Manometer Differential Pressure GaugeDisplay2.8-inch displayPower Supply4 × 1.5V AAA batteriesPressure InputDual pressure input ports for positive, negative, and differential pressure measurementMeasurement Range-100~200kPa / -1000~2000hPaMeasurement Accuracy±0.3%FSResolution0.1kPa / 1hPaData StorageUp to 29 data setsOperating Temperature-10°C~60°CStorage Temperature-20°C~65°CDimensions165 × 74 × 33mmMeasurement UnitskPa, hPa, Torr, mbar, inHg, mmHg, inH2O, mmH2O, psi, kg/cm²Current Unit LimitationPA unit display is no longer supported in the current versionWarranty3-year support for eligible non-human damage cases Click to enlarge Core SpecificationsPower Supply4 × 1.5V AAA batteriesRange-100~200kPa / -1000~2000hPaAccuracy±0.3%FSResolution0.1kPa / 1hPaData StorageUp to 29 data setsOperating Temperature-10°C~60°CStorage Temperature-20°C~65°CDimensions165 × 74 × 33mmSupported UnitskPa, hPa, Torr, mbar, inHg, mmHg, inH2O, mmH2O, psi, kg/cm²PA DisplayNot supported in the current version Product ComparisonProduct ComparisonCompare the screen size, pressure range, accuracy, data storage, light functions, magnetic design, toolbox, and application range before choosing an AUTOOL digital manometer.PT503Entry option with a 1.8-inch screen, ±0.5%FS accuracy, 1hPa resolution, no data storage, and no backlight or flashlight function.PT520Mid-range option with a 2.8-inch screen, -100~200kPa range, ±0.3%FS accuracy, 0.1kPa / 1hPa resolution, backlight, flashlight, and 29 stored data sets.PT530Higher option with -100~300kPa range, ±0.25%FS accuracy, 0.1kPa resolution, 99 stored data sets, button light, magnetic back design, and equipped toolbox.Application CheckPT520 is suitable for pressure checks of non-corrosive oil, water, air, and natural gas under proper conditions.Unit ReminderThe current PT520 version does not support PA display. Confirm the unit requirement before ordering. Click to enlarge Click to enlargeWhat Is In The BoxWhat Is In The BoxThe packing list image shows the PT520 main unit, hoses, adapter connectors, retail box, and user manual. Final accessories should follow the package image and the actual package received.Main UnitAUTOOL PT520 digital manometer differential pressure gaugeHosesTransparent test hoses shown in the package imageAdaptersMultiple connector adapters shown in the package image for different pipeline diametersDocumentationAUTOOL PT520 user manualPackagePT520 retail box shown in the packing imageManual And DownloadsManual And DownloadsDownload the PT520 manual for setup, unit switching, data recording, pressure calibration, adapter use, and safe operation. Click to enlargeAUTOOL PT520 User ManualOpen the PDF manual for PT520 operation, buttons, unit switching, data storage, and calibration reference. Download ManualNeed Unit Or Model Confirmation?Contact AUTOOL Store if you need to confirm PA unit limitation, PT503 / PT520 / PT530 model differences, accessories, supported pressure range, or application suitability before ordering.Email[email protected] WhatsApp 86 189 2647 7404Related ProductsRelated ProductsCompare PT520 with related AUTOOL pressure testers for differential pressure, brake pressure, cylinder pressure, oil pressure, fuel pressure, GDI fuel pressure, and transmission oil pressure testing.Select options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Engine Pressure TesterAUTOOL PT520 Differential Pressure Gauge Digital ManometerRated 0 out of 5(0) From US$70.00 Select options This product has multiple variants. The options may be chosen on the product page SALESelect options This product has multiple variants. 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The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Engine Pressure TesterAUTOOL PT650 ATF Exchanger Transmission Oil Pressure GaugeRated 0 out of 5(0) From US$119.00 Select options This product has multiple variants. The options may be chosen on the product page Questions And AnswersThese answers cover PT520 unit support, model comparison, pressure units, applications, package contents, manual download, and warranty support. Does PT520 Support PA Unit Display? No. PA unit display is no longer supported in the current PT520 version. If your workflow specifically requires direct PA display, confirm with AUTOOL Store before ordering. What Pressure Units Does PT520 Support? PT520 supports 10 switchable units: kPa, hPa, Torr, mbar, inHg, mmHg, inH2O, mmH2O, psi, and kg/cm². PA is not included in the current supported unit display. What Is The Difference Between PT503, PT520 And PT530? PT503 is the entry option with a 1.8-inch screen, ±0.5%FS accuracy, and no data storage. PT520 upgrades to a 2.8-inch screen, ±0.3%FS accuracy, 29 data sets, backlight, and flashlight. PT530 is the higher option with -100~300kPa range, ±0.25%FS accuracy, 99 data sets, button light, magnetic back design, and equipped toolbox. What Applications Is PT520 Suitable For? PT520 is suitable for intake manifold vacuum checks, brake booster pressure checks, crankcase negative pressure checks, exhaust valve negative pressure checks, and other pressure measurements within the rated range. It can be used with non-corrosive oil, water, air, and natural gas under proper conditions. What Accessories Are Included? Refer to the Packing List image for final package contents. The image shows the PT520 main unit, transparent hoses, multiple connector adapters, retail box, and user manual. Actual accessories should follow the package image and the package received. Where Can I Download The PT520 Manual? You can download the AUTOOL PT520 user manual from the Download section in this Description. The manual covers setup, display information, button functions, unit switching, data records, and pressure calibration reference. How Long Is The Warranty? AUTOOL provides 3-year support for eligible non-human damage cases. For setup, unit confirmation, model selection, accessory questions, or troubleshooting, contact AUTOOL Store support.Related GuidesRelated GuidesUse this related pressure gauge guide to compare workshop pressure testing tools and understand where PT520 fits in an automotive diagnostic setup. Guide / 10-21-20248 Pressure Gauges for Your WorkshopIn the automotive repair industry, precise pressure testing is crucial for ensuring the proper operation of vehicles. With advancements in technology, digital pressure. Guide / 2025-10-22AUTOOL New Product Release | DM103 Digital LCR TweezerLearn the DM103 positioning, D/Q interpretation, and component-level testing workflow. 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Essentially, it is a rechargeable DC power source that converts chemical energy into electrical.Warranty And ContactWarranty And ContactFor PT520 unit confirmation, PA display limitation, PT503 / PT520 / PT530 model selection, adapter confirmation, pressure range checks, package contents, manual support, or warranty questions, contact AUTOOL Store directly.Pre-Sales And Product SupportUse support if you need help confirming whether PT520 fits your measurement range, unit requirement, pipeline adapter, or workshop application before purchase.PA unit limitation confirmationPT503 / PT520 / PT530 model comparison supportApplication and media suitability confirmationAdapter and package content confirmationManual, setup, calibration, and data recording support3-year warranty support for eligible non-human damage casesEmail Support[email protected] WhatsApp Support 86 189 2647 7404