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The testo 550s digital manifold with 2-way valve block enables you to carry out your measurements on refrigeration, air conditioning systems, and heat pumps fast. The large display helps evaluate the results in graphic forms. Stored programs guide you through measurements and enable the automatic determination of numerous important system parameters such as superheating/subcooling, target superheat, cooling/heating capacity and many other areas.
Bluetooth probes for temperature, vacuum, and humidity can be easily connected and offer maximum flexibility in their application. In conjunction with the testo Smart App, you can take care of digital documentation directly on site.
Its proven quality and great durability guarantee the continuously high performance of your manifold in all conditions.
The Testo 550s is available in several packages with wired or wireless temperature probe clamps, as well as a vacuum probe and hose set. The 115i temperature probe and 552i vacuum probe are wireless devices. In the chart below, both the model number and numeric part number are listed.
| 550s Basic Kit | 550s Smart Kit | 550s Smart Vacuum Kit |
550s Smart Vac Kit Hoses | |
| 0564 5501 01 | 0564 5502 01 | 0564 5504 01 | 0564 550 01 | |
| 550s | ||||
| Calibration protocol | ||||
| Wired temp probe | x2 | |||
| 115i temp probe | x2 | x2 | x2 | |
| 552i vacuum probe | ||||
| Set of 3 hoses | ||||
| Instrument case |
| Testo 550s manifold | |
| Operating temperature | 14 to 122 °F |
| Storage temperature | -4 to 140 °F |
| Battery type | 4 AA batteries |
| Battery life | 250 hrs with no illumination, no Bluetooth® 100 hrs with illumination and Bluetooth® |
| Auto power off | After 10 minutes when not connected via Bluetooth |
| Dimensions | 8.3 x 4.8 x 2.4 in |
| Weight | 1.8 lbs |
| Protection class | IP54 |
| Bluetooth technology/ range | Bluetooth® 5.0 (up to 500 ft) |
| Compatibility | requires iOS 11.0 or newer/Android 6.0 or newer requires a mobile terminal device with Bluetooth® 4.0 |
| Sensor Type | ||
| Pressure | Temperature | |
| Measuring range | -14 to 870 psi (-1 to 60 bar) | -58 to 302 °F |
| Accuracy (at 71.6 °F) | ±0.5% fs | ±0.9 °F |
| Resolution | 0.1 psi (0.01 bar) | 0.1 °F |
| Probe connections | 3 x 7/16" - UNF | 2 x plug-in (NTC) |
| Overload | 940 psi | - |
| Testo 115i wireless temperature probe | |
| Sensor type | NTC |
| Measuring range | -450 to 302 °F |
| Accuracy ±1 digit | ±2.3 °F (-4 to 185 °F) |
| Resolution | 0.18 °F |
| General technical data | |
| Compatibility | requires iOS 11.0 or never/Android 6.0 or newer requires mobile terminal device with Bluetooth 4.0 |
| Storage temperature | -4 to 140 °F |
| Operating temperature | -4 to 122 °F |
| Battery type | 3 AAA batteries |
| Battery life | 150 hrs |
| Dimensions | 7.2 x 3.5 x 1.2 in |
| Bluetooth range | up to 325 ft |
| Weight | 4.5 oz. |
Test Equipment General Attributes |
|
|---|---|
| Product Height | 4.60 IN |
| Product Length | 18.20 IN |
| Product Width | 12.80 IN |
| HTS/Schedule B Number | 90262020000 |
| ECCN Number | EAR99 |
| Country of Origin | Germany |
As an important international instrument sales platform, our company has the authorization qualifications of many international first-line brands. Relying on the advanced digital information management platform and international procurement platform, we provide more than 100,000 instruments, industrial MRO products, industrial products and spare parts to global customers. Our business scope: industrial testing, non-destructive testing, gas testing, electrical testing, laboratory testing, water quality testing, environmental testing, medical testing...
Suppliers with verified business licenses
Audited Supplier 
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