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Testo 557s HVAC Refrigeration Commissioning Gauge Kit

557s
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Testo 557s

Professional digital manifold for accurate HVAC and refrigeration measurement, commissioning, evacuation, and service work

Brand Testo
Model 557s
Voltage 4 x AA batteries (6 V DC)
Country of Origin Germany
Weight 1.2 kg
Dimensions 288 x 135 x 75 mm
Warranty 6 months
Certifications CE, RoHS, EN 378 compliant
SKU / MPN 0564 5571
What’s in the box Testo 557s digital manifold, 4-way valve block, 2 temperature clamp probes, batteries, transport case, and instruction manual
Manifold Configuration 4-way digital manifold
Pressure Measurement Range -1 to 60 bar
Temperature Measurement Range -50 to 150 °C
Vacuum Measurement Integrated vacuum measurement with micron display
Connectivity Bluetooth connectivity via testo Smart App
Refrigerant Database Compatible with common refrigerants and heat pumps
Key benefits: High-visibility display, integrated vacuum measurement, Bluetooth app connectivity, automatic superheat and subcooling calculations, rugged design, and broad refrigerant compatibility
Typical applications: HVAC installation, refrigeration service, heat pump commissioning, evacuation monitoring, leak diagnosis, and system maintenance
Lifecycle: Active product with ongoing manufacturer support and replacement accessories

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