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

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550s AC Manifold Gauge Set – Manifold Gauges HVAC – Incl. 2 Wired Temperature Clamp Probes – Recharge Kit with Superheat, Subcooling For AC, Refrigeration & Heat Pumps – Bluetooth

Product ID: 279388855

Details

Brand
Testo
Item Weight
0.27 g
Item dimensions L x W x H
8.3 x 4.8 x
Material
Housing
Number of Items
1

📶Bluetooth wireless data sync

⚖️±0.5% pressure accuracy

🌡️Wide temp range -58° to 302°F

3212.15 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

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Description

🔧 Elevate your HVAC game with precision and smart tech — don’t get left behind!

ALL IN ONE HVAC SOLUTION - Includes 2 wireless temperature clamp probes and a vacuum probe for comprehensive system diagnostics and optimization.
SEAMLESS SMART CONNECTIVITY - Bluetooth-enabled manifold syncs effortlessly with the Testo Smart App for real-time data analysis and remote operation.
PRECISION AT YOUR FINGERTIPS - Experience ultra-accurate temperature and pressure readings with ±0.5% full-scale pressure and ±0.9°F temperature accuracy.
RUGGED READY FOR THE FIELD - Compact, durable IP54-rated housing designed to withstand tough job site conditions while delivering clear, easy-to-read data.
FUTURE PROOF REFRIGERANT COMPATIBILITY - Supports a broad spectrum of refrigerants including modern A2L types, ensuring compliance and versatility.

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 integrates seamlessly with the Testo Smart App for remote monitoring, automatic superheat/subcooling calculations, and streamlined reporting. Equipped with two wireless temperature clamp probes and a vacuum probe, it supports a wide range of refrigerants including A2L types, making it an essential, rugged, and versatile tool for HVAC professionals aiming to optimize system performance and compliance.

Specifications

ASIN	B08TY6JH9M
Best Sellers Rank	#40,945 in Automotive ( See Top 100 in Automotive ) #10 in Air Conditioning Manifolds #123 in Air Conditioning Line Repair Tools
Brand Name	Testo
Customer Reviews	4.6 4.6 out of 5 stars (551)
Included Components	Instrument, Temp Probes (2x), Manual, Batteries, Case
Item Dimensions	8.3 x 4.8 x 2.4 inches
Item Weight	0.27 g
Manufacturer	Testo SE & Co. KGaA
Material Type	Housing Material: ABS/PA/TPE
Model	550s
Number of Items	1
Number of Packs	1
Part Number	0564 5501 01
Unit Count	1 Count
Warranty Description	2 year manufacturer

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3212.15 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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