Does it give psi or psig? The gauge face shows the unit in psi (also see product details), while the temp-pressure mapping appears to be F-psig.

PSIG only. When disconnected the gauges read zero. The P-T chart for R-134a is fairly accurate to within around 3 degrees F, as far as I can tell, which means it is definitely PSIG/TempF.

Is this fahrenheit? i do not want celsius? the pictures show f but the third bullet point on the description says celsius? what is the truth?

These have Fahrenheit scale on them.

Under what circumstances should the pins (as shown in D, similar to tire valve pins) be unscrewed from the ends of hoses using the red tool?

I would say these are extra valve cores in case one goes bad

Are these low loss fittings?

If you buy this product, you will get: 1pc 3-way HAVC freon gauge (1/4" male), 3pc hoses (1/4" female), 2pc quick couplers (1/4" male), 1pc ACME adapter (1/4" Male to 1/2" Female), and 1pc can tap (piercing-style) (1/4" male). They are of good quality. If you need any further assistance, please feel free to contact our customer support. We will offer assistance in a timely manner.

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Orion Motor Tech AC Gauge Set with Self Sealing & Puncturing R134A Can Tap, AC Gauges for R134a R12 R22 R502 Refrigerant, Car AC Gauge Set with 5FT Hoses Adapter Adjustable Couplers, Freon Charge Kit

Product ID: 124255794

Details

Brand
Orion Motor
Item Weight
1.6 Kilograms
Item dimensions L x W x H
8.27 x 7.48 x
Manufacturer
Orion Motor
Material
Aluminum Brass

🔧5FT reinforced hoses, 600 psi daily pressure

⏱️1.6% accuracy calibration

🛡️Hybrid anti-shock oil-filled core gauges

AR$192243

Duties & taxes included

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Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Master your car’s climate control like a pro—don’t get left out in the heat!

COLOR CODED EFFICIENCY - Blue, red, and yellow hoses with 4-layer PVC for safe, high-pressure handling up to 600 psi.
BUILT FOR THE LONG HAUL - Solid brass and ABS construction ensures durability under heavy use.
PRECISION YOU CAN TRUST - Calibrated to 1.6% accuracy for flawless diagnostics every time.
UNIVERSAL COMPATIBILITY - Works seamlessly with R134a, R12, R22, and R502 refrigerants for all your HVAC needs.
SHOCK RESISTANT HYBRID GAUGES - Oil-filled core plus dry dial design for superior wear resistance and winter reliability.

The Orion Motor Tech AC Gauge Set is a professional-grade automotive tool kit featuring hybrid anti-shock gauges with 1.6% accuracy, durable brass and ABS construction, and color-coded 5FT hoses rated for 600 psi daily pressure. Compatible with multiple refrigerants (R134a, R12, R22, R502), it includes self-sealing and puncturing can taps plus adjustable couplers, making it ideal for both DIY enthusiasts and HVAC professionals.

Specifications

ASIN	B07JLQTK9C
Best Sellers Rank	#2,779 in Automotive ( See Top 100 in Automotive ) #4 in Air Conditioning Diagnostic Equipment
Brand	Orion Motor Tech
Brand Name	Orion Motor Tech
Customer Reviews	4.3 out of 5 stars 4,403 Reviews
Included Components	1 x 3-Way Gauge, 3 x Hoses, 2 x Quick Couplers, 1 x 29° Adapter, 2 x Can Tap
Item Dimensions	8.27 x 7.48 x 3.54 inches
Item Weight	1.6 Kilograms
Item dimensions L x W x H	8.27 x 7.48 x 3.54 inches
Manufacturer	Orion Motor Tech
Material	Aluminum, Brass, PVC
Material Type	Aluminum, Brass, PVC
Model	OMTDMG201901
Part Number	OMTDMG201901
Thread Style	1/4-28 Npt
Thread Type	1/4-28 Npt
Unit Count	1.0 Count
Warranty Description	1 year

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