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Testo 557s Smart Vacuum Kit (0564 5571 01) Smart Digital Manifold with Wireless Vacuum and Clamp Temperature Probes

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Testo’s 557s Smart Vacuum Kit (0564 5571 01) makes cable-less & hose-less vacuum measurements a breeze on any system. This model replaces the Testo 557. You will get the 557s Smart Digital Manifold with Bluetooth & 4-way valve block, one 552i Wireless Vacuum Probe, two 115i Wireless Clamp Thermometers, & a robust transport case. The Smart Digital Manifold features a large graphic display; a compact, robust housing; guided measurement menus; & Smart App access. Easy connectivity to other probes & simple documentation drafting via the Testo Smart App make jobs a snap. Combined with a smartphone or tablet, the Testo 115i Clamp Thermometer is the ideal temperature measuring instrument for flow & return temperatures. The Bluetooth enabled 552i Vacuum Probe is great for quick & precise wireless measurements using just one service port. Clearly, the 557s Smart Vacuum Kit ideally equips you for measuring tasks in the field of commissioning, servicing, & maintenance of refrigeration, air conditioning, & heat pumps systems.


  • (1) Testo 557s Smart Digital 4-Way Bluetooth Manifold (0564 5570)
  • (2) Testo 115i Pipe-clamp Thermometer operated via smartphone (0560 2115 03)
  • (1) Testo 552i Wireless Vacuum Probe
  • (1) Calibration Protocol
  • (4) AA Batteries
  • (1) Transport Case


  • Testo 557s Smart Digital 4-Way Bluetooth Manifold
  • Large graphic display for easy evaluation of measurement results
  • Impressively compact and reliable thanks to the easy-to-handle, rugged housing with IP 54 protection class
  • Simple, wireless measurement of vacuum and temperature via automatic Bluetooth® connection between probes and manifold
  • For exceptionally fast measurements on refrigeration and air conditioning systems and heat pumps
  • Stored programs guide you through the measurement and make it possible to automatically determine key system parameters such as superheating, pressure drop test or evacuation
  • Create digital documentation straight away on site with the Testo Smart App
  • Always have the latest refrigerants thanks to automatic updates
  • Continuously high performance in all conditions. Proven Testo quality with excellent robustness
  • Testo 115i Pipe-clamp Thermometer
  • Convenient temperature measurement on refrigeration, air conditioning and heating systems – thanks to wireless connection to your smartphone or tablet
  • Fast identification of temperature changes by graphic progression display
  • Live data feed integration now available with the MeasureQuick App
  • Problem-free application at measuring points that are a long distance apart thanks to Bluetooth® range up to 350 ft
  • Testo 552i Wireless Vacuum Probe
  • Identify vacuum quickly and easily by means of the graphical display in the App or on the digital manifold screen
  • Exceptionally compact and reliable thanks to the rugged, easy-to-handle housing with IP 54 protection class
  • Easy installation at any service port thanks to the integrated 45° angle


557s Smart Digital Manifold General technical data
Weight : 44 oz. / 1243 g
Dimensions : 9 x 4.4 x 3 in. (LxWxH) / 229 x 112.5 x 71 mm (LxWxH)
Operating temperature : -4° to 122 °F / -20 to +50 °C
Protection class : IP54
Product colour : Black
Auto-off : 10 min (when not connected via Bluetooth)
Battery type : 4 x AA batteries
Battery life : 250 h with no illumination, no Bluetooth®h (without illumination, without Bluetooth®, without vacuum probe); 100 h with illumination and Bluetooth®
Radio range : 492.12 ft. / 150 m
Pressure media : CFC
Refrigerants in instrument : R1234yf; R744 (CO₂); R437A; R503; R452A; R500; R114; R444B; R407H; R422B; R434A; R410A; R290; R449A; R401B; R407F; R13; R123; R718 (H₂O); R404A; R125; R416A; R421B; R422C; R448A; R22; R407A; R409A; R12; R454B; R414B; R442A; R1233zd; R420A; R424A; R458A; R427A; R450A; R124; R502; R1234ze; R600a; R23; R402B; R455A; R454A; R407C; R453a; R513A; R401A; R422D; R402A; R507; R454C; R408A; R421A; R134a; R32; R452B; R438A
System requirements : requires iOS 7.1 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0 / requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0
Refrigerants update via App : R11; FX80; I12A; R1150; R1270; R13B1; R14; R142B; R152A; R161; R170; R227; R236fa; R245fa; R401C; R406A; R407B; R407D; R41; Ra11A; R412A; R413A; R417A; R417B; R417C; R422A; R426A; R508A; R508B; R600; RIS89; SP22
Storage temperature : -4° to 140 °F / -20 to +60 °C
Measuring range : -58° to 302 °F / -50 to +150 °C
Accuracy : ±0.9 °F / ±0.5 °C
Resolution : 0.1 °F / 0.1 °C
Probe connection : 2 x Plug-in (NTC)
Pressure measurement
Measuring range : -15 to 870 psi / -1 to 60 bar
Accuracy : ±0.5 % Fs
Resolution : 0.14 psi / 0.01 bar
Probe connection : 3 x 7/16" – UNF + 1 x 5/8'' – UNF
Overload rel. (high pressure) : 943 psi / 65 bar
Testo 115i Pipe-clamp Thermometer General technical data
Weight : 4.49 oz. / 127.4 g
Dimensions : 7 x 4 x 1 in. / 183 x 90 x 30 mm
Operating temperature : -4° to 122 °F / -20 to +50 °C
Housing : Plastic
System requirements : requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
Product colour : black/orange
Battery type : 3 x AAA
Battery life : 150 h
Storage temperature : -4° to 140 °F / -20 to +60 °C
Temperature - NTC
Measuring range : -40° to 302 °F / -40 to +150 °C
Accuracy : ±2.3 °F (-4° to 185 °F) / ±1.3 °C (-20 to +85 °C)
Resolution : 0.1 °F / 0.1 °C
Testo 552i Wireless Vacuum Probe General technical data
Weight : 5 oz. / 142 g
Dimensions : 6 x 1 x 1 in. (LxWxH) / 150 x 32 x 31 mm (LxWxH)
Operating temperature : 14.0° to 122.0 °F / -10 to +50 °C
Protection class : IP54
System requirements : requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
Product colour : black/orange
Auto-off : 10 min (when not connected via Bluetooth)
Battery type : 3 x AAA
Battery life : 39 h
Connection : 7/16“ UNF
Interface : Bluetooth® 4.2
Storage temperature : -4.0° to 122.0 °F / -20 to +50 °C
Absolute Pressure
Measuring range : 0 to 0.39 psi / / 0 to 26.66 mbar / 0 to 20000 micron
Accuracy (±1 digit) : ±10 microns + 10% of m.v. (100 to 1,000 microns)
Resolution : 1 micron (0 to 1000 micron) / 10 micron (1000 to 2000 micron) / 100 micron (2000 to 5000 micron) /
Overload : absolute: 87.0 psi / 87 psi | absolute: 6.0 bar / 87 psi ; (relative: 72.5 psi / 72 psi) | (relative: 5.0 bar / 72 psi)


Q & A

What is the warranty?

Testo offers a Limited Product Warranty on everything they make. It reads as follows,

"This warranty is applicable to Testo products purchased directly from Testo, Inc. or an authorized distributor of Testo, Inc. [like HVAC and Tools Direct]. This warranty does not apply to Testo products purchased from any other source. In addition, this warranty applies only to purchases made by Testo distributors/resellers and to retail purchasers from these distributors/resellers.

Some Testo products carry a specific warranty as outlined in the paperwork delivered with the products.

Testo warrants to its distributors/resellers and to direct purchasers from its distributors/resellers and from Testo that:

(a) for two years from the date of Buyer's purchase of a Testo product (or a shorter period than two years if a shorter time limit specified for the product on the Testo website),

(b) to the extent of the purchase price of the goods purchased hereunder,

(c) Testo will at its option repair or replace FOB Testo’s Sparta, NJ location or Ontario, Canada location (for sales in Canada) equipment or parts which fail in normal use because of defects in workmanship or materials.

Testo does not warrant that the operation of any product will be uninterrupted or error free.

This warranty does not apply to:

the use or ownership of Testo products by anyone who is not a distributor of Testo, Inc. and who was not a direct purchaser from a distributor/reseller of Testo or from Testo;

Testo products that have been modified, used for purposes for which they are not intended, mishandled, or subjected to abnormal wear and tear.


How can I process a warranty?

All Testo product warranties, repairs, and servicing are ultimately sent to:

Testo North America, Service Department
40 White Lake Road
Sparta, NJ 07871
Phone: 800-227-0729
Fax: 862-354-5019

Fortunately, RGAs or RMAs (Returned Goods Authorizations / Returned Material Authorizations) are NOT required. Instead, Testo instructs customers requesting servicing to complete their Instrument Repair and Calibration form entirely, while including proof of purchase for warranty claims.

Customers submitting instrument(s) for calibration or service [not warranty] will receive a quote after receipt of instrument and processing of associated service/calibration repair form. Work will be completed after customer approval and returned promptly.

Please note: Instruments left at Testo for more than 30 days without a quote approval or without proper paperwork will be returned in their original condition to the owner/distributor and incur the minimum labor charge and/or reexamination fee and all subsequent shipping charges. In the event the equipment is left at Testo for over 90 days, Testo reserves the right to dispose of the equipment. Testo is not responsible for typos or misinformation. Testo states it is not responsible for personal items sent with the unit (hoses, tools, etc.).

For more information you may visit the Testo Service Department FAQs webpage here.