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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OMT 3-Way AC Gauges for R134a R12 R22 R502 Refrigerant, 5ft Hoses

Product ID: 124255794

Details

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

🌈Color-coded 4-layer hoses

⏱️1.6% accuracy calibration

🛠️Solid brass & ABS durability

B/.175

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Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧊 Stay cool, stay ahead — the ultimate AC gauge set for pros and DIYers alike!

BUILT TO ENDURE - Solid brass and ABS construction ensures years of heavy-duty, shock-resistant use.
INSTANT SYSTEM INSIGHTS - Real-time moisture indicator keeps your coolant’s health in check.
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 pro-level HVAC maintenance.
EFFORTLESS IDENTIFICATION - Color-coded hoses (blue, red, yellow) with 4 reinforced layers handle up to 600 psi daily pressure.

The OMT 3-Way AC Gauge Set by Orion Motor Tech is a professional-grade automotive tool featuring hybrid anti-shock gauges with oil-filled cores, solid brass and ABS construction, and color-coded, reinforced hoses rated for up to 600 psi. Compatible with multiple refrigerants (R134a, R12, R22, R502), it includes quick couplers, a 29° adapter, and moisture monitoring for precise, reliable AC system diagnostics and maintenance.

Specifications

ASIN	B07JLQTK9C
Best Sellers Rank	#11,046 in Automotive ( See Top 100 in Automotive ) #7 in Air Conditioning Diagnostic Equipment
Brand Name	Orion Motor Tech
Customer Reviews	4.3 4.3 out of 5 stars (2,145)
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 Highlight	Includes R134a Couplers Self-Sealing Piercing Can Taps 29° Adapter; Solid Brass Build; Ideal for Auto Freon Recharge
Item Weight	1.6 kg
Manufacturer	Orion Motor Tech
Material Type	Aluminum, Brass, PVC
Model	OMTDMG201901
Number of Items	1
Number of Packs	1
Part Number	OMTDMG201901
Thread Style	1/4-28 Npt
Unit Count	1 Count
Warranty Description	1 year

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TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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

5 days ago

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B/.175

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered 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 Panama.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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