The unit uses wired thermocouple not thermistor probes and these do need calibaration. Is this saved after shutdown ?

Yes calibration is needed but maybe once every 2 months or whenever you feel like it’s off. You can test them by clamping them on an object which will all know the temp to be. Like ice which is 32 degrees. There’s a menu on the gauges for it. Also check out YouTube for a quick 2 minute video about it. Oh an if you rather wireless probes you can go out and add them to this gauge . It’s up to you

is this bluetooth to smart phone

Description says it has wireless range of 350 ft.

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🛠️ Elevate your HVAC game with precision and power in one sleek manifold!

BUILT TO LAST - Crafted from stainless steel and brass for unmatched durability on every job site.
COMPACT POWERHOUSE - Optimized size and weight (5.4 lbs) for easy handling without sacrificing performance.
READY OUT OF THE BOX - Includes 6 AA batteries so you can start measuring immediately—no delays, no downtime.
NEXT GEN DIGITAL ACCURACY - The most advanced digital refrigerant manifold, replacing the SMAN300 series with cutting-edge tech.
PRECISION AT YOUR FINGERTIPS - Three-valve manifold with integrated micron gauge for exact refrigerant measurement.

The Fieldpiece SM380V SMAN manifold is a rugged, stainless steel 3-port digital refrigerant gauge designed for professional HVAC technicians. Measuring 11.25 x 12.5 x 5 inches and weighing 5.4 pounds, it offers precise micron readings and replaces the SMAN300 series. Powered by included AA batteries, it delivers advanced accuracy and durability for demanding fieldwork.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Brand	Fieldpiece
Material	Stainless Steel
Item dimensions L x W x H	11.25 x 12.5 x 5 inches
Item Weight	5.4 Pounds
UPC	872641003951
Global Trade Identification Number	00872641003951
Manufacturer	Fieldpiece
Model	SMAN
Item Weight	5.4 pounds
Product Dimensions	11.25 x 12.5 x 5 inches
Item model number	SM380V
Batteries	6 AA batteries required. (included)
Exterior	Brass
Manufacturer Part Number	SM380V

Fieldpiece SM380V SMAN manifolds, black

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