testo 557s – Smart digital manifold with Bluetooth and 4-way valve block

Easier, more flexible measurements and documentation: With the testo 557s digital manifold with Bluetooth and 4-way valve block, you‘ll be ideally equipped for your measuring tasks in the field of commissioning, servicing and maintenance of refrigeration and air conditioning systems and heat pumps.

testo 557s – Smart digital manifold with Bluetooth and 4-way valve block

For exceptionally fast measurements on refrigeration and air conditioning systems and heat pumps
Large graphic display for easy evaluation of measurement results
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
Straightforward to handle, with maximum flexibility for your application: Bluetooth probes for temperature, pressure and humidity connect to the manifold automatically
testo Smart App: Create digital documentation straight away on site, set your own favourites, always have the latest refrigerants thanks to automatic updates
Continuously high performance in all conditions: You can depend on this manifold from Testo – it combines proven Testo quality with excellent robustness

Temperature

Temperature	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

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

General technical data

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*
	Battery life 250 h with no illumination, no Bluetooth<sup>®</sup>h (without illumination, without Bluetooth®, without vacuum probe); 100 h with illumination and Bluetooth<sup>®</sup>
	Battery type 4 x AA batteries
	Radio range 492.12 ft. / 150 m
	Pressure media CFC
	Refrigerants in instrument R114; R12; R123; R1233zd; R1234yf; R1234ze; R124; R125; R13; R134a; R22; R23; R290; R32; R401A; R401B; R402A; R402B; R404A; R407A; R407C; R407F; R407H; R408A; R409A; R410A; R414B; R416A; R420A; R421A; R421B; R422B; R422C; R422D; R424A; R427A; R434A; R437A; R438A; R442A; R444B; R448A; R449A; R450A; R452A; R452B; R453a; R454A; R454B; R454C; R455A; R458A; R500; R502; R503; R507; R513A; R600a; R718 (H₂O); R744 (CO₂)
	System requirements 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
	Refrigerant A2L / A3 compatibel
	Storage temperature -4° to 140 °F / -20 to +60 °C
* when not connected via Bluetooth

Are you interested in this measuring instrument? Testo has put together practical kits for you – so you’ll be optimally equipped to tackle your measuring tasks right away.

Temperature probes

: 0613 1712

Air Probe - NTC

Efficient, robust NTC air probe

$ 129.00

: 0613 5507

Clamp temperature probe kit (fixed cable, NTC) - For measurements on pipes (Ø 6-35 mm)

High-precision NTC temperature sensor

$ 102.00

: 0613 5506

Clamp probe (NTC) - with 5 m cable length

Precision NTC temperature sensor

$ 78.20

: 0613 4611

Velcro Pipe Wrap Probe (NTC) - Pipe probe

With Velcro: makes it easy to attach the surface probe to pipes with a pipe diameter of up to 75 mm

$ 127.50

: 0613 5605

Spring Clamp Probe (NTC) - For pipes from ¼” to 2 1/2”

Testo NTC Spring Clamp Probes will allow you to properly measure Evaporator and Condensor temperatures in real time using your Testo Digital Manifold. Using the spring clamp probes will also allow the manifold to calculate Superheat and Subcool values, ensuring that they are at a correct, optimized level, and the refrigeration system is running at maximum efficiency

$ 262.65

Waterproof NTC surface probe for flat surfaces

: 0613 1912

Waterproof surface probe for flat surfaces - NTC

Waterproof surface probe for flat surfaces

$ 145.00

Sets

: 0564 5572 01

testo 557s Smart Vacuum Kit with hoses - Smart digital manifold with wireless vacuum and wireless temperature probes and 4 hose set

Completely wireless measurements and all results at a glance: thanks to Bluetooth probes and large graphic display

$ 855.00

: 0564 5571 01

testo 557s Smart Vacuum Kit - Smart digital manifold with wireless vacuum and clamp temperature probes

Completely wireless measurements and all results at a glance: thanks to Bluetooth probes and large graphic display

$ 730.00

Refrigeration systems, air conditioning systems, heat pumps, ductless, single zone, multi zone, mini split systems

Determination of high and low pressure, automatic determination of condensation and evaporation temperature and calculation of superheating/subcooling. All results can be read simultaneously on one screen
Tightness test: Recording and analysis of the pressure curve
Automatic calculation of the target superheat (in conjunction with the appropriate measuring instrument, e.g. Testo Smart Probe)
Measure vacuum: Graphic progression display of the measurement with indication of the start and differential value
Evacuation: Graphic progression display of the measurement with indication of the start and differential value (in conjunction with the appropriate Testo Smart Probe, e.g. testo 552i vacuum probe)