--- product_id: 452577314 title: "Apera Instruments AI223 SX620 pH Pen Tester Kit with 0.01 pH accuracy, 3-point Auto. Calibration ATC 60 Degree C, Plastic; Glass" brand: "apera instruments" price: "€ 4.26" currency: EUR in_stock: false category: "Apera Instruments" url: https://www.desertcart.pt/products/452577314-apera-instruments-ai223-sx620-ph-pen-tester-kit-with-0 store_origin: PT region: Portugal --- # ±0.01 pH ultra-precise 3-point auto calibration 0-60°C auto temp compensation Apera Instruments AI223 SX620 pH Pen Tester Kit with 0.01 pH accuracy, 3-point Auto. Calibration ATC 60 Degree C, Plastic; Glass **Brand:** apera instruments **Price:** € 4.26 **Availability:** ❌ Out of Stock ## Summary > 🌟 Stay ahead in precision—because your liquids deserve the best! ## Quick Answers - **What is this?** Apera Instruments AI223 SX620 pH Pen Tester Kit with 0.01 pH accuracy, 3-point Auto. Calibration ATC 60 Degree C, Plastic; Glass by apera instruments - **How much does it cost?** € 4.26 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/452577314-apera-instruments-ai223-sx620-ph-pen-tester-kit-with-0) ## Best For - apera instruments enthusiasts ## Why This Product - Trusted apera instruments brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-in-One Portable Kit:** Comes with premixed calibration & storage solutions plus batteries in a sleek carrying case—ready wherever you go. - • **Smart Temperature Adaptation:** Auto temperature compensation from 0 to 60°C guarantees consistent results across environments. - • **Compact & Replaceable Probe Design:** Slim, test-tube friendly probe that’s replaceable—sustain peak performance without replacing the whole device. - • **Precision that Professionals Trust:** Experience lab-grade ±0.01 pH accuracy for flawless liquid analysis every time. - • **Effortless Calibration, Zero Guesswork:** Automatic 3-point calibration ensures your readings stay sharp and reliable without hassle. ## Overview The Apera Instruments AI223 SX620 pH Pen Tester Kit delivers professional-grade ±0.01 pH accuracy with automatic 3-point calibration and temperature compensation up to 60°C. Its slim, replaceable probe fits test tubes perfectly, while intelligent features like auto power-off and probe invalidation reminders keep your testing seamless. Packaged in a portable case with calibration solutions and batteries, this waterproof, CE-certified device is ideal for hydroponics, aquaculture, beverage making, and more—empowering millennial professionals to measure with confidence and style. ## Description The Apera Instruments SX620 pH Pen Tester is featured with a reliable pH/temp. measuring performance with a single-button operation in a slim body. An ideal choice for your regular liquid pH testing, including hydroponics, aquaculture, water treatment, pools& spas, educational purposes, beverage making, cooling towers, body fluid (saliva, urine), etc. The slim pH probe is suitable for test tube measuring, and is even replaceable such that you don't have to get rid of the whole meter when the probe is aged.Easy Auto Calibration (3 points: 4.00, 7.00, 10.01) and 0 to 60˚C Auto Temperature Compensation (ATC), ±0.01 pH accuracy with 0 to 14.0 pH measuring range. Intelligent functions: switch from ˚F to ˚C, automatic power-off, low battery alarm, pH probe invalidation reminder (remind you to replace the probe for better performance).The meter comes with a complete kit of premixed calibration solutions (4.00, 7.00, 10.01 – good for 10-15 times of calibrations), storage solution (3M KCL), CR2032 lithium batteries all in a portable carrying case. IP57 waterproof and dustproof. The meter is CE certified and comes with a 2-YEAR Warranty (6 months for the probe). ## Features - The smallest pH pen with reliable testing performance for regular liquid e.g. pools, hydroponics, aquaculture, cooling towers, beverage making, body fluid, etc - ±0.01 pH accuracy; Automatic 3-point calibration; 0-60˚C Automatic Temp. Compensation - Slim replaceable probe, suitable for test tubes - Intelligent functions: switch from ˚F to ˚C, automatic power-off, pH probe invalidation reminder (remind you to replace the probe for better performance) - Complete kit: 3 types of premixed calibration solutions (4, 7, 10) and storage solution (3M KCL) all in one portable case ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07BDVL66C | | Age Range Description | Adult | | Brand Name | Apera Instruments | | Colour | Blue | | Customer Reviews | 4.0 4.0 out of 5 stars (204) | | Display Type | Digital | | Global Trade Identification Number | 00810214030478 | | Immersion Depth | 3.81 Centimetres | | Indoor Outdoor Usage | Outdoor | | Inner Material | Glass | | Item Weight | 5 Ounces | | Manufacturer | Shanghai Sanxin Instrumentation | | Model Name | AI223 | | Model Number | AI223 | | Number of Batteries | 2 C batteries required. (included) | | Outer Material Type | Plastic | | Part Number | AI223 | | Power Source Type | Battery Powered | | Product Care Instructions | Hand Wash Only | | Resolution | 0.01 | | Reusability | Rechargeable | | Special Features | Waterproof | | Specification Met | CE | | Style Name | probe | | UPC | 810214030478 | | Upper Temperature Rating | 60 Degrees Celsius | ## Product Details - **Age Range (Description):** Adult - **Brand:** Apera Instruments - **Colour:** Blue - **Outer Material:** Plastic - **Special Feature:** Waterproof ## Images ![Apera Instruments AI223 SX620 pH Pen Tester Kit with 0.01 pH accuracy, 3-point Auto. Calibration ATC 60 Degree C, Plastic; Glass - Image 1](https://m.media-amazon.com/images/I/31bEvIfS-aL.jpg) ![Apera Instruments AI223 SX620 pH Pen Tester Kit with 0.01 pH accuracy, 3-point Auto. Calibration ATC 60 Degree C, Plastic; Glass - Image 2](https://m.media-amazon.com/images/I/41F5izPkBPL.jpg) ![Apera Instruments AI223 SX620 pH Pen Tester Kit with 0.01 pH accuracy, 3-point Auto. Calibration ATC 60 Degree C, Plastic; Glass - Image 3](https://m.media-amazon.com/images/I/41LRGUEiZuL.jpg) ![Apera Instruments AI223 SX620 pH Pen Tester Kit with 0.01 pH accuracy, 3-point Auto. Calibration ATC 60 Degree C, Plastic; Glass - Image 4](https://m.media-amazon.com/images/I/41Ss2AfJRYL.jpg) ![Apera Instruments AI223 SX620 pH Pen Tester Kit with 0.01 pH accuracy, 3-point Auto. Calibration ATC 60 Degree C, Plastic; Glass - Image 5](https://m.media-amazon.com/images/I/612gjwEI1YL.jpg) ## Frequently Bought Together - Apera Instruments SX620 pH Pen Tester Kit with 0.01 pH Accuracy, 3-Point Auto. Calibration, ATC - Apera Instruments AI1115 pH Calibration Buffer Solution Kit (7.00, 4.00, 10.01), 8 oz. for Each, NIST Traceable - Apera Instruments 3M KCL Storage Soaking Solution (8 oz.) for pH and ORP Electrodes --- ## 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.pt/products/452577314-apera-instruments-ai223-sx620-ph-pen-tester-kit-with-0](https://www.desertcart.pt/products/452577314-apera-instruments-ai223-sx620-ph-pen-tester-kit-with-0) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-15*