--- product_id: 6669158 title: "Supco ST02 Pocket Dial Thermometer, HVAC, AC, Refrigerator Temperature Gauge Probe, Analog, 0F to 220F, 1\" Dial" brand: "supco" price: "R332" currency: ZAR in_stock: true reviews_count: 13 category: "Supco" url: https://www.desertcart.co.za/products/6669158-supco-st02-pocket-dial-thermometer-hvac-ac-refrigerator-temperature-gauge store_origin: ZA region: South Africa --- # Waterproof durability 5-inch stainless steel probe 0°F to 220°F range Supco ST02 Pocket Dial Thermometer, HVAC, AC, Refrigerator Temperature Gauge Probe, Analog, 0F to 220F, 1" Dial **Brand:** supco **Price:** R332 **Availability:** ✅ In Stock ## Summary > 🌟 Pocket-sized precision for pros who demand flawless HVAC performance ## Quick Answers - **What is this?** Supco ST02 Pocket Dial Thermometer, HVAC, AC, Refrigerator Temperature Gauge Probe, Analog, 0F to 220F, 1" Dial by supco - **How much does it cost?** R332 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/6669158-supco-st02-pocket-dial-thermometer-hvac-ac-refrigerator-temperature-gauge) ## Best For - supco enthusiasts ## Why This Product - Trusted supco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Powerhouse:** Slim 1" dial and 5" stem fit perfectly in pockets and tight spaces for on-the-go diagnostics - • **Versatile HVAC Essential:** Perfect for AC vents, refrigeration, and appliance temperature monitoring—one tool, endless uses - • **Precision in Every Degree:** Analog dial with quick 500ms response for real-time HVAC/R temperature checks - • **Built to Brave the Elements:** Waterproof stainless steel design ensures reliability in tough work environments - • **Stay Calibrated, Stay Confident:** Recalibration adjustment keeps your readings accurate through every inspection ## Overview The Supco ST02 Pocket Dial Thermometer is a rugged, waterproof analog temperature gauge designed for HVAC, refrigeration, and appliance service professionals. Featuring a 1" dial and 5" stainless steel probe, it delivers fast, accurate readings from 0°F to 220°F. Its compact, portable design with a protective sheath and pocket clip makes it ideal for field diagnostics, while recalibration capability ensures long-term reliability. ## Description Monitor temperatures with confidence using this durable stainless steel pocket dial thermometer featuring a 1" dial, 5" stem, and waterproof construction. Designed for HVAC, refrigeration, and appliance service applications, it provides readings from 0°F to 220°F (Fahrenheit only). Ideal as an AC thermometer or AC vent thermometer, this compact tool helps technicians and maintenance professionals verify airflow temperatures during inspections. It can also be used as an AC thermometer for car applications, making it useful for checking vehicle cooling performance. The slim stem functions as an AC vent thermometer for car testing in hard-to-reach spaces and serves as an AC vent temperature tester for routine diagnostics. This versatile air conditioner thermometer includes a protective sheath with a convenient pocket clip for portability. The easy-to-read dial makes it a practical air vent thermometer for field service work. It also functions as a temperature gauge for refrigerator or freezer checks, helping monitor cooling conditions in refrigeration systems. With recalibration adjustment for ongoing accuracy, this refrigeration and air conditioning thermometer is built for dependable daily use. Review: Decent Value - I was looking for two 'meat thermometers' to install in my AC system inlet and evaporator duct boxes. These thermometers do that job nicely. But, the dial is pretty tiny, with a lot of tiny lines to try to see, which makes getting granular readings on the temperatures challenging. I'm thinking a black face dial with white graduations might have been better, or a bigger dial. The glare on the white face makes it challenging to read. However, for my application - looking to see how many degrees my system is cooling - these work and were worth the money. Order fulfillment was flawless as usual from desertcart. Review: Very nice little thermometer - This is a very nice little thermometer. You can use it to check the temperature of the air coming out of your air conditioning vent. This works for the house for the car. You can also check the temperature of your enema water. It’s very critical not to go over 104°. You should be above 98° or you will have severe stomach cramps. Thank you ## Features - QUICK TEMPERATURE CHECKS: This pocket dial thermometer features a 1" round display and Fahrenheit markers for easy reading; The 5" stem helps access hard-to-reach areas - DESIGNED FOR HVAC/R TASKS: Built as a HVAC thermometer, this stainless steel instrument is ideal for air conditioning, refrigeration, and appliance service applications; The waterproof construction helps withstand demanding work environments - RELIABLE COOLING VERIFICATION: Use as an AC thermometer to monitor temperatures from 0°F to 220°F, Fahrenheit only; The recalibration adjustment helps maintain dependable readings throughout routine inspections and maintenance - EASY SYSTEM PERFORMANCE MONITORING: This AC temperature gauge includes a protective sheath with a convenient pocket clip for portability; The compact design keeps the tool accessible during field service and diagnostic work - DEPENDABLE HVAC/R TOOLS: This AC temperature probe also functions as an analog dial refrigerator thermometer or freezer thermometer for checking cooling conditions across appliance systems ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003CL9LMC | | Additional Features | Waterproof | | Age Range (Description) | Adult | | Age Range Description | Adult | | Best Sellers Rank | #3,542 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Dial Thermometers | | Brand | Supco | | Brand Name | Supco | | Color | Silver | | Customer Reviews | 4.6 out of 5 stars 2,305 Reviews | | Display Type | Analog | | Global Trade Identification Number | 00687152032525 | | Immersion Depth | 5 inches | | Included Components | Storage Case | | Indoor Outdoor Usage | Indoor | | Item Length | 5 inches | | Item Weight | 13.61 g | | Manufacturer | Supco | | Model | ST02 | | Model Name | ST02 | | Outer Material | Stainless Steel | | Part Number | ST02 | | Power Source | Battery Powered | | Product Care Instructions | Do Not Soak, Wipe Clean | | Response Time | 500 milliseconds | | Reusability | Reusable | | Special Feature | Waterproof | | Specification Met | RoHS | | Style Name | Classic | | UPC | 687152032525 | | Unit Count | 1 Count | | Upper Temperature Range | 220 °F | ## Product Details - **Age Range (Description):** Adult - **Brand:** Supco - **Color:** Silver - **Display Type:** Analog - **Included Components:** Storage Case - **Outer Material:** Stainless Steel - **Product Care Instructions:** Freezer Safe, Hand Wash Only - **Special Feature:** Waterproof - **Specification Met:** RoHS - **Unit Count:** 1.0 Count ## Images ![Supco ST02 Pocket Dial Thermometer, HVAC, AC, Refrigerator Temperature Gauge Probe, Analog, 0F to 220F, 1" Dial - Image 1](https://m.media-amazon.com/images/I/61YVaxzyViL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Will this give accurate readings of ambient air temperature?** A: 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°. **Q: What country is this made in?** A: The company Supco is located in Bronx, NY at Supco.com, had it awhile, still works well if that helps. **Q: can this be calibrated by nut on back for rotating dial?** A: I believe so. There is a nut on the back, but I haven't had to recalibrate mine yet. **Q: What is the diameter of the stem? I've got a 3/16" hole that I'd like it to fit into** A: The one I have measures .150", so it should easily fit into a 3/16" hole which is .1875". ## Customer Reviews ### ⭐⭐⭐⭐⭐ Decent Value *by G***E on April 25, 2024* I was looking for two 'meat thermometers' to install in my AC system inlet and evaporator duct boxes. These thermometers do that job nicely. But, the dial is pretty tiny, with a lot of tiny lines to try to see, which makes getting granular readings on the temperatures challenging. I'm thinking a black face dial with white graduations might have been better, or a bigger dial. The glare on the white face makes it challenging to read. However, for my application - looking to see how many degrees my system is cooling - these work and were worth the money. Order fulfillment was flawless as usual from Amazon. ### ⭐⭐⭐⭐⭐ Very nice little thermometer *by S***E on March 15, 2025* This is a very nice little thermometer. You can use it to check the temperature of the air coming out of your air conditioning vent. This works for the house for the car. You can also check the temperature of your enema water. It’s very critical not to go over 104°. You should be above 98° or you will have severe stomach cramps. Thank you ### ⭐⭐⭐⭐⭐ Happy with the big dial and its accuracy *by J***L on March 11, 2026* I'm really pretty happy with this thermometer. I tested its accuracy with a tool gauge calibrated thermometer and it was spot on, I very happy about that. I like the size of the dial make my old eyes happy too. I like analog gauges as long as they are accurate, digital thermometers may be more accurate over all however my OCD can't stand that flipping back and forth on the last 10th digit. I like its simple design with no wires to fuss with, just pull it out and put it in the vent that's it. I like the durability and that it has no batteries. Just call me old school. ## Frequently Bought Together - Supco ST02 Stainless Steel Pocket Dial Thermometer, 5" Stem, 1" Dial, 0 to 220 Degrees F - Klein Tools ET05 Digital Pocket Thermometer, HVAC Instant Read Thermometer with Backlit Display, Wide Measurement Range, Fahrenheit and Celsius - UEi Test Instruments PDT650 Folding Pocket Digital Thermometer,Yellow --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/6669158-supco-st02-pocket-dial-thermometer-hvac-ac-refrigerator-temperature-gauge](https://www.desertcart.co.za/products/6669158-supco-st02-pocket-dial-thermometer-hvac-ac-refrigerator-temperature-gauge) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-08-05*