Will this give accurate readings of ambient air temperature?

Yes, but you would have to have the tip off of a table or whatever that might be a different temperature and hold it in your hand by the dial. All of these are able to be calibrated. Put in a cup of ice and set the dial to 33°.

What country is this made in?

The company Supco is located in Bronx, NY at Supco.com, had it awhile, still works well if that helps.

can this be calibrated by nut on back for rotating dial?

I believe so. There is a nut on the back, but I haven't had to recalibrate mine yet.

What is the diameter of the stem? I've got a 3/16" hole that I'd like it to fit into

The one I have measures .150", so it should easily fit into a 3/16" hole which is .1875".

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Supco ST02 Stainless Steel Pocket Dial Thermometer, 5" Stem, 1" Dial, 0 to 220 Degrees F

Supco ST02 Stainless Steel Pocket Dial Thermometer, 5" Stem, 1" Dial, 0 to 220 Degrees F

Product ID: 310810136

Details

Age range (description)
Adult
Brand
Supco
Colour
Silver
Included components
flexible case
Special features
Waterproof

💧Waterproof & durable

📏5" stainless steel stem

🌡️0-220°F range

R714

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Description

🌟 Stay cool and in control with precision you can carry anywhere!

BUILT TO LAST - Stainless steel housing and waterproof design withstand daily kitchen and HVAC use.
STAY ACCURATE ALWAYS - Recalibration adjustment ensures your readings stay reliable over time.
ON THE GO CONVENIENCE - Includes flexible plastic pocket case with clip for easy carry and protection.
VERSATILE APPLICATION - Perfect for refrigerators, freezers, and air conditioners—one tool, multiple jobs.
PRECISION IN YOUR POCKET - Accurate analog dial with large numerals for quick, confident readings.

The Supco ST02 is a compact, stainless steel analog dial thermometer featuring a 5-inch stem and a 0 to 220°F temperature range. Waterproof and durable, it comes with a flexible pocket case and clip for easy portability. Designed for use in refrigerators, freezers, and air conditioners, it offers recalibration adjustment for long-term accuracy and quick readings with large numerals.

Specifications

ASIN	B003CL9LMC
Additional Features	Waterproof
Age Range Description	Adult
Brand Name	Supco
Color	Silver
Customer Reviews	4.6 4.6 out of 5 stars (2,226)
Display Type	Analog
Global Trade Identification Number	00687152032525
Immersion Depth	5 Inches
Included Components	flexible plastic pocket case with clip
Item Weight	14 g
Manufacturer	Supco
Model	ST02
Model Name	Supco ST02
Outer Material	Plastic, Stainless Steel
Part Number	ST02
Product Care Instructions	Freezer Safe, Hand Wash Only
Response Time	500 Milliseconds
Reusability	Rechargeable
UPC	687152032525

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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R714

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

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TrustScore 4.5 | 7,300+ reviews

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