Testo 557s Smart Digital Manifold
by Testo
4-way valve block with wireless Bluetooth vacuum probe and clamp thermometers included; IP54; guided measurement programs for superheat and subcooling.
Highlights
Capabilities
Trust
Media
www.testo.com
About This Product
German-engineered manifold favored in commercial and commercial refrigeration markets. The Testo Smart Probe ecosystem allows up to 4 simultaneous Bluetooth probes for wireless multi-point temperature and pressure monitoring. Flagship of Testo's HVAC/R line.
Capabilities
How this product is delivered and what's included out of the box.
- Mobile app
- Available
- Free trial
- No
- Free tier
- No
- Public API
- No
- Deployment
- Hybrid
Certifications & Approvals
Independent industry credentials this product holds.
MeasureQuick Compatible
Integrates with MeasureQuick, the diagnostic platform used by HVAC technicians for in-field system performance testing. Data captured in MeasureQuick flows into this product without manual re-entry.
Tool Specifications
- Sensor Type
- Piezo
- Accuracy Class
- Field Grade
- Measurement Range
- -15 to 870 PSI, vacuum to 20,000 microns
- Ruggedness
- Field
- Battery
- 4x AA
- Warranty
- 2 years
- Ecosystem
- Testo Smart Probes
- Companion App
- testo Smart App
- MeasureQuick Capabilities
- Wireless digital manifold with vacuum — Bluetooth streaming to measureQuick
A2L Compatible Data Logging Mobile App MeasureQuick Compatible
FSH Score Breakdown
Ease of Use 8.0
Features 9.0
Support 8.0
Value 6.0
Integrations 9.0
AI Capabilities 3.0
Features
55 features confirmed across
9categories· Showing confirmed capabilities only
Hardware Features16features
Automatic Probe DetectionAutomated probe connectionDual Backlit DisplayLarge graphic displayField Updatable Refrigerant ListAutomatic refrigerant listing updates via testo Smart AppInstrument Firmware Updates via AppInstrument firmware updates via appIP/Weather RatingIP54 protection classParallel Humidity and Temperature MeasurementWireless humidity, temperature, and vacuum measurements via BluetoothParallel Measurement of Humidity and TemperatureParallel measurements from multiple measuring pointsIntegrated Magnets90° foldable probe with built-in attachment magnets on testo 605i
Show 8 more
Angled Probe Connection45° angled hose connections on 549i4-Way Valve Block4-way valve block with durable hookAnalog-Style Pressure Value DisplayAnalog-style pressure value displayPressure Hold Mode with Rate of Change DisplayAnalog-look pressure value displayDifferential Temperature MeasurementIntegrated temperature measurement with 2x NTC ports plus BluetoothCustomizable Display and AlarmsCustomizable measurement parameter displayDual Port ManometerMeasurement of high and low pressureTouchscreen DisplayLarge graphic display
Compliance & Safety13features
Superheat/Subcool CalcAutomatic calculation of superheating/subcoolingA2L Refrigerant ComplianceAutomatic refrigerant updates via appDetermination of Overheating, Pressure Drop Testing, and EvacuationStored measurement programs for automatic system parameter determinationHumidity Mode with Mould Risk AssessmentHumidity mode with mould risk assessmentLive Target Delta T and Evaporator Exit Temperature CalculationIntegrated calculation of target superheatMould Susceptibility Identification via Traffic Light PrincipleHumidity mode with mould risk assessment traffic light systemReal-Time Subcooling and Superheat MonitoringCalculate superheat and subcooling in the Smart Probe AppRefrigerant CalculationsAutomatic calculation of evaporation and condensation temperatures
Show 5 more
Nitrogen Pressure Leak Test with Temperature CompensationTightness test with recording and analysis of pressure curveRefrigerant Pressure And Temperature CorrelationsMeasure high-side and low-side refrigerant pressure and temperatures simultaneouslyIndoor Air Quality Calculation Including Dew Point And Wet Bulb TemperatureAutomatic calculations for target overheating, dew point, and wet-bulb temperatureAir Velocity and Flow MeasurementMeasuring volume flow, air velocity and temperatureLeak TestingTightness test function
Mobile & Field Tools8features
Offline ModeOffline functionalityDocumentation via Testo Smart AppDocumentation via testo Smart AppGuided Measurement ProgramsGuided measurement menusLink Notes And Photos To Customers, Sites, Work Orders, Or EquipmentPhoto and comment attachment to reportsLive Measurement DataSecond screen modeSecond Screen DisplaySecond screen mode using tablet or smartphone as secondary displayReal Time Graphic Display of Pressure Readings Over TimeEvacuation measurement with graphic progression displayDigital Documentation CreationDigital documentation via companion app
Equipment & Asset Management7features
Bluetooth Connectivity To Control BoardsBluetooth range up to 350 feetLive View and Remote ControlRemote control of measuring instrumentsRefrigerant Database With Over 100 EntriesAutomatic refrigerant listing updates via AppRefrigerant Profile Selection60 refrigerant profilesFavorites List for Refrigerants90 stored refrigerantsRemote DiagnosticsWireless temperature measurement on refrigeration, air conditioning and heating systemsLong-Term Environmental MeasurementMeasurement of air humidity and temperature in rooms and ducts
Reporting & Analytics6features
ReportingCustom report generationDesign Documentation And ReportingDigital documentation and reportingPdf And Excel Report GenerationMeasurement data report export as PDF or ExcelProfessional Report Generation and Email CapabilityDigital report generation with photos sent as PDF or CSVMeasurement And VerificationStep-by-step guided measurement programsGraph and Table Data VisualizationGraphic display of up to 4 readings simultaneously
Platform & Customization2features
Data ExportPDF and Excel report exportCross-Platform SupportOperates with iOS and Android smart devices
Estimating & Quoting1feature
Auto Calculated Inputs with Manual OverrideAutomatic calculations
Training & Education1feature
In-App Guidance and TutorialsStep-by-step measurement guidance
Certifications & Standards1feature
MeasureQuick Compatible
Integrations 1 across 1 category
Industry-Specific 1
Testo
Pricing
- Model
- Custom
- Starting at
- $892
- Notes
- Retail purchase. ~$892 CAD for base unit; full kit (0564 5571 01) with 552i vacuum probe and 115i clamp thermometers ~$1,500–1,700 CAD.
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