The testo 557 4-valve with 3/8 vacuum port digital manifold comes with a remote vacuum probe for faster and more reliable evacuations, Bluetooth App, two clamp temperature probes for instantaneous superheat / sub-cooling readings, and convenient service case.
- External vacuum probe for faster and more reliable evacuation of the system
- Bluetooth / App integration for monitoring, report generation, and sending reports and invoices via email
- Accurate, simultaneous superheat / sub-cooling measurements
- Rugged housing with 5 year warranty with registration for reliable testing
- Measures high side / low side pressures and temperatures
- 4-way valve block with 1/4 in. and 3/8 in. ports
- External vacuum probe
- App integration via Bluetooth (65 feet range)
- Calculates and displays Superheat and Sub-cooling temperatures
testo 557 kit, digital manifold with Bluetooth / App; including 2 x NTC temperature clamp probes, external vacuum probe, batteries, case, certificate of conformity, and user's manual.
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No Hassle Returns & Warranty
We offer a no hassle, 30 day return policy on all in stock items.
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