testo 557s – manometer stand with 4-way valve block
Smart digital manometer stand with Bluetooth and a 4-way valve block
- Fully wireless measurements and quick overview of all measurement results: thanks to Bluetooth sensor and large graphic display.
- Exceptionally compact and reliable thanks to the easy-to-handle, robust instrument housing with IP 54 protection class.
- Simple, wireless and flexible measurement and documentation
7 765
In stock
In stock
testo 557s - Smart digital manometer stand with Bluetooth and a 4-way valve block
Easier, more flexible measurement and documentation: With the digital manometer stand testo 557s with Bluetooth and a 4-way valve block, you are ideally equipped for your measurement tasks during commissioning, service and maintenance on refrigeration units, air conditioning systems and heat pumps.
- For exceptionally fast measurements on chillers, air conditioning systems and heat pumps.
- Large graphic display for easy reading of measurement results
- Ready-made measurement programs guide you through the measurements and allow you to automatically determine key system parameters such as overheating, pressure drop or deflation
- Easy to use with maximum flexibility for your applications: Bluetooth sensors for temperature, pressure and humidity are automatically connected to the pressure gauge stand.
- testo Smart app: create digital documentation directly on site, set your own favorites, always have access to the latest refrigerants thanks to automatic updates
- Continuously high performance in all conditions: You can rely on this manometer stand from Testo - it combines proven Testo quality with very robust properties.
Included in delivery
- The digital 4-way manometer stand testo 557s incl.. 4 pcs. AA batteries and factory protocol
- The wireless vacuum sensor testo 552i (Bluetooth)
- 2 pcs. wireless pipe temperature sensors of the model testo 115i
- Transport bag
- testo Smart app (free download)
Fabriksprotokoll: utfärdas på fabriken efter en kontroll av att produkten fungerar och uppfyller angiven mätnoggrannhet. Läs om skillnaden mellan fabriksprotokoll och ackrediterad kalibrering.
| Temperature | |
| Measurement range | -50 ... +150 °C |
| Accuracy | ±0,5 °C |
| Resolution | 0,1 °C |
| Sensor connection | 2 pcs. Plug-in (NTC) |
| Pressure measurement | |
| Measurement range | -1 ... 60 bar |
| Accuracy | ±0,2 % fs |
| Resolution | 0,01 bar |
| Connection | 3 pcs. 7/16" – UNF + 1 pc. 5/8" – UNF |
| Overload rel. (low pressure) | 65 bar |
| Overload rel. (high pressure) | 65 bar |
| General technical data | |
| A3 and A2L compatible | Yes |
| Weight | 1 kg |
| Size | 229 x 112 x 71 mm |
| Operating temperature | -20 ... +50 °C |
| Protection class | IP54 |
| System requirements | Requires iOS 11.0 or later; requires Android 6.0 or later; requires mobile end device with Bluetooth 4.0 |
| Auto off | Instruments 10 min |
| Battery life | With built-in rechargeable battery: ≥220 h without Bluetooth®, without lighting: ≥120 h with Bluetooth® and lighting: With 3 AA batteries: ≥145 h without Bluetooth®, without lighting: ≥75 h with Bluetooth® and lighting |
| Battery type | Built-in rechargeable battery: li-ion battery 18650; replaceable batteries: 3 alkaline AA batteries |
| Radio range | 150 m |
| Storage temperature | -20 ... +60 °C |
Probes
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testo 115i – wireless pipe temperature sensor
965 SKU 0560 2115 02For the installation, servicing and troubleshooting of heating and cooling systems
- Measuring range -40 ... +150 °C
- For pipe diameters of 6-35 mm
- Up to 100 meters Bluetooth range between sensor and smartphone
- Manage measurements with the testo Smart app
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testo 770-3 – clamp ammeter with power measurement (set)
2 995 SKU 0590 7703 02Current clamp ammeter with power measurement and Bluetooth
- Increased accuracy in the lower current range thanks to improved resolution
- TRMS measurement
- Automatic AC/DC for voltage and large two-line display
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Surface sensor for pipes Ø max 75 mm (DIN)
1 235 SKU 0613 4611Probe with Velcro strap for measurement on pipes with max. diameter 75 mm
- Sensor type: NTC
- Mätområde: -50 … +105 °C
- Accuracy: ±0.2 °C (-25 to +70 °C)
- Sensor length: 300 mm
- Diameter: 30 mm
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Surface sensor for pipes Ø 6–35 mm (DIN)
665 SKU 0613 5505Probe for measurement on pipes with diameter 6–35 mm. The clamp enables quick and easy mounting.
- Sensor type: NTC
- Measuring range: -40 … +125 °C
- Accuracy: ±1 °C (-20 … +85 °C)
Vacuum probes
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testo 552i – wireless vacuum sensor
2 055 SKU 0564 2552App-controlled wireless vacuum sensor
- Identify vacuum quickly and easily using the graphical display in the testo Smart app or on the digital manometer stand display
- Automatically connects via Bluetooth® to the testo Smart app and to digital manometer stands
- Exceptionally compact and reliable thanks to the easy-to-handle, robust instrument housing with IP 54 protection
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Magnetic strap
615 SKU 0564 1001Magnetic strap for your digital manometer stand
- Strong magnet and robust strap
- For flexible use of hook or magnet
- Simple click system allowing for quick changes
- Can withstand 7 kg of traction
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Spare parts kit – valves
490 SKU 0554 5570The valves and knobs on your digital pressure gauge stands are subject to wear and tear. Use this spare parts kit to quickly get your equipment working optimally again. The parts can be easily replaced directly at the measurement site. The spare parts kit allows you to replace the two valves on the high and low pressure side or on the two center connections of the digital manometer rack. Order another kit if you need to replace all 4 valves. Included in delivery
- 2 valve knobs
- 2 couplings with threads
- 2 valve screws
- 2 spring locks
- 2 black valve wheel covers
- 1 red valve wheel cover
- 1 blue valve wheel cover
- 1 tube of threadlocker
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Practical instrument case
1 420 SKU 0516 2012Practical instrument case for the digital manometer stands testo 550i, 550s and 557s. The form fit ensures that your instrument stays securely in place, along with hoses and sensors.
Similar products
testo 550i – measuring set with sensor and case
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testo 550s – manometer stand with 2-way valve block
Smart digital manometer stand with Bluetooth and a 2-way valve block
- Overview of all results thanks to the large graphic display
- Exceptionally compact and reliable thanks to the easy-to-handle, robust instrument housing with IP 54 protection class.
- Simple, wireless and flexible measurement and documentation
