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Testo
Testo 557s Smart Digital Manifold with Bluetooth and 4-Way Valve
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No online payment · add lines to RFQ BOM
Testo 557s: smart manifold; −1…60 bar; ±0.5% fs; Bluetooth; 4-way valve. RFQ.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Pressure Range
−1 to 60 bar (−14 to 870 psi)
Pressure Accuracy
±0.5% fs (at 22 °C)
Pressure Resolution
0.01 bar (0.1 psi)
Pressure Connections
3 × 7/16″–UNF + 1 × 5/8″–UNF; overload 65 bar
Temperature Range
−50 to +150 °C (−58 to 302 °F)
Temperature Accuracy
±0.5 °C (±0.9 °F)
Fits HVAC/R service with vacuum/charge paths where you need a Testo 557s. Smart digital manifold with Bluetooth and 4-way valve block, pressure −1 to 60 bar (−14 to 870 psi) at ±0.5% fs (22 °C), resolution 0.01 bar, connections 3 × 7/16″–UNF plus 1 × 5/8″–UNF (overload 65 bar), and temperature −50 to +150 °C.
Key advantages
- Pressure — −1 to 60 bar (±0.5% fs @ 22 °C)
- Valve — 4-way block
- Bluetooth — Smart app workflows
- Connections — 3 × 7/16″–UNF + 1 × 5/8″–UNF
- Temperature — −50 to +150 °C
Typical applications
- HVAC/R charge/vacuum.
- 4-way service manifolds.
- Bluetooth diagnostics.
Selection guide
- Probe / vacuum kit
- Hose set
- Case
Common mistakes
- Exceeding overload 65 bar.
- Mixing 550s vs 557s valve needs.
- Ignoring accuracy temp basis.
When to RFQ / what to tell us
- Kit/options.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 48940 |
| Brand | Testo |
| Model | 557S Digital Manifold Kit |
| Product type | Digital Manifold |
| Pressure range | −1 to 60 bar (−14 to 870 psi) |
| Pressure accuracy | ±0.5% fs (at 22 °C) |
| Pressure resolution | 0.01 bar (0.1 psi) |
| Pressure connections | 3 × 7/16″–UNF + 1 × 5/8″–UNF; overload 65 bar |
| Temperature range | −50 to +150 °C (−58 to 302 °F) |
Documents
FAQ
Q: Valve? A: 4-way.
Q: Pressure? A: −1 to 60 bar.
Q: What should I send for a quote? A: Kit/options, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Pressure Range | −1 to 60 bar (−14 to 870 psi) |
| Pressure Accuracy | ±0.5% fs (at 22 °C) |
| Pressure Resolution | 0.01 bar (0.1 psi) |
| Pressure Connections | 3 × 7/16″–UNF + 1 × 5/8″–UNF; overload 65 bar |
| Temperature Range | −50 to +150 °C (−58 to 302 °F) |
| Temperature Accuracy | ±0.5 °C (±0.9 °F) |
| Temperature Connections | 2 × plug-in NTC |
| Valve Block | 4-way |
| Protection Class | IP54 |
| Bluetooth | Bluetooth 5.0; range up to 150 m; pairs with 552i/115i Smart Probes |
| Battery | 4× AA; 250 h (no illum/BT) / 100 h (illum+BT) |
| Dimensions Weight | 229 × 112.5 × 71 mm; approx. 1.24 kg (2.7 lb kit literature) |
| Refrigerants | 90+ stored refrigerants; A3/A2L compatible; App updates |
| Vacuum Focus | Graphic evacuation with testo 552i Smart Probe |
| Order Focus | 0564 557x Smart Vacuum kit family |