--- product_id: 683722248 title: "pHTestr 30 Waterproof pH Testr 30 Pocket Tester & AO-05942-10 Buffer Pack; 500 mL of Each pH 4.01, 7.00, and 10.01 (Pack of 3)" brand: "oakton" price: "$389.53" currency: USD in_stock: true url: https://www.desertcart.us/products/683722248-phtestr-30-waterproof-ph-testr-30-pocket-tester-and-ao store_origin: US region: United States of America --- # Buffer Volume: 500 mL each Range: -1.00 to 15.00 pH Temp Range: 0 to 50Β°C pHTestr 30 Waterproof pH Testr 30 Pocket Tester & AO-05942-10 Buffer Pack; 500 mL of Each pH 4.01, 7.00, and 10.01 (Pack of 3) **Brand:** oakton **Price:** $389.53 **Availability:** βœ… In Stock ## Summary > 🌊 Dive into Precision with Every Test! ## Quick Answers - **What is this?** pHTestr 30 Waterproof pH Testr 30 Pocket Tester & AO-05942-10 Buffer Pack; 500 mL of Each pH 4.01, 7.00, and 10.01 (Pack of 3) by oakton - **How much does it cost?** $389.53 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/683722248-phtestr-30-waterproof-ph-testr-30-pocket-tester-and-ao) ## Best For - oakton enthusiasts ## Why This Product - Trusted oakton brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Waterproof Wonder:** Designed for durability, perfect for both lab and field use. - β€’ **Complete Buffer Pack:** Includes 500 mL of essential pH buffers: 4.01, 7.00, and 10.01. - β€’ **Temperature Resilience:** Reliable performance in temperatures from 0 to 50Β°C. - β€’ **Pocket-Sized Convenience:** Compact design ensures you can test anywhere, anytime. - β€’ **Precision at Your Fingertips:** Experience unparalleled accuracy with a pH range of -1.00 to 15.00. ## Overview The Oakton pHTestr 30 is a waterproof pocket pH tester that offers a wide measurement range from -1.00 to 15.00 pH and operates effectively in temperatures between 0 to 50Β°C. It comes with a comprehensive buffer pack containing 500 mL of pH 4.01, 7.00, and 10.01 solutions, making it an essential tool for accurate pH testing in various environments. ## Description Oakton pHTestr 30 Waterproof pH Testr 30 Pocket TesterWaterproof phtestr 30 is great for outdoor applications such as taking pH measurements in lakes and streams. Designed to Float in water, you can even attach a line to the housing for easy retrieval. Valox sensor housing resists most chemicals. The phtestr 30 has a replaceable sensor for easy maintenance. Double-junction electrode sensor handles wastewater and solutions containing sulphides, heavy metals, and TRIS. Electrode sensor offers a clog-resistant Kynar junction and a recessed, glass pH bulb to protect against breakage. The keypad clicks to confirm operation, and allows access to a variety of functions. Calibrate up to three pH points with the auto-buffer recognition at both USA and NIST standard buffers. Additional features include a automatic temperature compensation (ATC), hold function, Auto-off function, self-diagnostic error messages, and a three-segment battery-life indicator. Meter includes: protective plastic storage case, lanyard, and batteries. Versatile, compact design works in a field or laboratory setting 0.01 pH accuracy along with dual pH and selectable C or F temperature display a complete meter with key features at an economical price replaceable, double-junction electrode sensors save time and money IP67-rated housing sits flat on the table and Floats in wateOakton AO-05942-10 Oakton Buffer Pack; 500 mL of Each pH 4.01, 7.00, and 10.01 (Pack of 3)Oakton pH buffer bottles have pH/temperature tables printed on the labels for accurate calibrations manufactured under ISO 9000 quality guidelines and traceable to NIST standards If unopened, shelf life is 2 years; once opened, use pH 4 and pH 7 within 90 days, pH 10 within 30 days store buffers away from direct sunlight. Color coded for quick visual reference: - pH 4.01 buffer in red - pH 7.00 buffer in yellow - pH 10.01 buffer in Blue the most common "USA" pH calibration buffer valuesβ€”in one convenient Pack! save over 25 percent on Pack compared to ordering separately all Oakton pH buffers are traceable to NIST standard reference materials buffer solutions help you calibrate pH instruments to ensure accuracy If unopened, shelf life is 2 years. ## Features - Product 1: Product Type: pH tester - Product 1: Meter style: tester - Product 1: Range (pH): -1.00 to 15.00 pH - Product 1: Range (temperature Β°C): 0 to 50 - Product 2: Buffer kit values: 4.01, 7.00, and 10.01 - Product 2: Description: buffer pack; 500 ml of each ph 4.01, 7.00, and 10.01 - Product 2: Volume (ml): 500 - Product 2: Number of items: 3 ## Images ![pHTestr 30 Waterproof pH Testr 30 Pocket Tester & AO-05942-10 Buffer Pack; 500 mL of Each pH 4.01, 7.00, and 10.01 (Pack of 3) - Image 1](https://m.media-amazon.com/images/I/517-k6BSkPL.jpg) ![pHTestr 30 Waterproof pH Testr 30 Pocket Tester & AO-05942-10 Buffer Pack; 500 mL of Each pH 4.01, 7.00, and 10.01 (Pack of 3) - Image 2](https://m.media-amazon.com/images/I/31FLHL29O1L.jpg) ![pHTestr 30 Waterproof pH Testr 30 Pocket Tester & AO-05942-10 Buffer Pack; 500 mL of Each pH 4.01, 7.00, and 10.01 (Pack of 3) - Image 3](https://m.media-amazon.com/images/I/41TsKIIeFWL.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - Oakton pHTestr 30 Waterproof pH Testr 30 Pocket Tester & AO-05942-10 Buffer Pack; 500 mL of Each pH 4.01, 7.00, and 10.01 (Pack of 3) - Oakton AO-05942-10 Oakton Buffer Pack; 500 mL of Each pH 4.01, 7.00, and 10.01 (Pack of 3) - Oakton Electrode Storage Solution; 500 mL --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/683722248-phtestr-30-waterproof-ph-testr-30-pocket-tester-and-ao](https://www.desertcart.us/products/683722248-phtestr-30-waterproof-ph-testr-30-pocket-tester-and-ao) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-23*