How can this unit provide an evacuation function but the unit does not accurately measure microns and requires a separate micron gauge?

You need a separate micron gauge

Is the warranty valid outside the US?

I don't know I would think so you would have to ship it back to were you bought it .

Do the games measure microns? or is the separate probe a must?

It will measure microns internally though the hoses. The probs only measure line temps. I have the wireless versions and the kit comes with the micron sensor

Testo 550s Digital Manifold

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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AED 3727

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Description

🔧 Elevate your HVAC game with precision and wireless freedom!

RUGGED COMPACT READY - Durable IP54-rated housing fits comfortably in your toolkit, built to withstand tough job site conditions.
ALL IN ONE HVAC SOLUTION - Includes 2 wireless temperature probes and 1 vacuum gauge for comprehensive system diagnostics and optimization.
PRECISION AT YOUR FINGERTIPS - Experience ultra-accurate temperature and pressure readings with ±0.5% full-scale pressure and ±0.9°F temperature accuracy.
SEAMLESS BLUETOOTH CONNECTIVITY - Monitor and control your HVAC system remotely via the Testo Smart App—stay connected even 100+ feet away.
FUTURE PROOF REFRIGERANT COMPATIBILITY - Supports most refrigerants including A2L types, ensuring compliance with evolving industry standards.

The Testo 550s AC Manifold Gauge Set is a professional-grade HVAC diagnostic tool offering precise temperature (-58° to 302°F) and pressure (-15 to 870 psi) measurements with ±0.5% accuracy. Featuring Bluetooth connectivity, it wirelessly syncs data to the Testo Smart App for real-time monitoring, reporting, and remote operation. Equipped with two wireless temperature probes and a vacuum gauge, it supports a wide range of refrigerants including A2L types. Its rugged, compact design with IP54 protection ensures durability on the job, making it an essential smart tool for HVAC and refrigeration professionals.

Specifications

ASIN	B08TY6R4FT
Best Sellers Rank	#49,713 in Automotive ( See Top 100 in Automotive ) #10 in Air Conditioning Manifolds #203 in Air Conditioning Line Repair Tools
Brand	Testo
Brand Name	Testo
Customer Reviews	4.3 out of 5 stars 77 Reviews
Included Components	Inst., Temp Probes (2x), Vacuum Gauge, Manual, Batteries, Case
Item Dimensions	8.3 x 4.8 x 2.4 inches
Item Weight	16 ounces
Item dimensions L x W x H	8.3 x 4.8 x 2.4 inches
Manufacturer	Testo SE & Co. KGaA
Material	Housing Material: ABS/PA/TPE
Material Type	Housing Material: ABS/PA/TPE
Model	550s
Number of Items	1
Number of Packs	1
Part Number	0564 5504 01
Thread Style	Bspp
Thread Type	Bspp
Unit Count	1 Count
Warranty Description	2 year manufacturer

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