4-Way Valve Block with 3x 7/16 UNF + 1x 5/8 UNF Connections
Four-way digital refrigeration manifold
-1 to 60 bar · 60+ refrigerants · vacuum measurement · Bluetooth
Product overview
-1 to 60 bar · 60+ refrigerants · vacuum measurement · Bluetooth
Key capabilities
testo 557
Built-in Vacuum Measurement 0-20000 micron with External High-Precision Probe
60 Refrigerants Built-in Updateable via APP
Auto Evaporation and Condensation Temperature Calculation
Automatic Heat Pump Mode No Hose Change
Temperature Compensated Tightness Test
Auto Ambient Pressure Compensation
Bluetooth APP Remote Monitoring 20m with PDF/CSV Report
2 Clamp Surface Temperature Probes NTC Included
Large Backlit Display with Hanging Hook
Includes Instrument Case Batteries Factory Report
Technical specifications
14 Technical specifications
- Pressure
- -1 ~ 60 bar
- Accuracy
- ±0.5% Full Scale
- Resolution
- 0.01 bar
- Overload
- 65 bar (relative, HP)
- Connections
- 3x 7/16" UNF + 1x 5/8" UNF
- Vacuum
- 0 ~ 20000 micron
- Accuracy
- ±(10 micron + 10%) (100~1000)
- Temp (NTC)
- -50 ~ +150 °C
- Accuracy
- ±0.5 °C
- Bluetooth
- 20m range, testo Refrigeration APP
- Refrigerants
- 60+ built-in, APP updateable
- Display
- Large backlit LCD
- Package
- 557 Manifold, 2x Clamp Probes, External Vacuum Probe, Instrument Case, Batteries, Factory Report
- Model
- 557
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