--- product_id: 714704390 title: "Oakton AO-00653-18 Oakton Conductivity and TDS Standard, 1413 ÃŽÅ“s; 500 mL" brand: "oakton" price: "477.44 DT" currency: TND in_stock: true reviews_count: 5 category: "Oakton" url: https://www.desertcart.tn/products/714704390-oakton-ao-00653-18-oakton-conductivity-and-tds-standard-1413 store_origin: TN region: Tunisia --- # 1413 µS/cm precise conductivity NIST-traceable calibration standard 500 mL lab-grade solution Oakton AO-00653-18 Oakton Conductivity and TDS Standard, 1413 ÃŽÅ“s; 500 mL **Brand:** oakton **Price:** 477.44 DT **Availability:** ✅ In Stock ## Summary > ⚡ Calibrate with Confidence — Because Precision is Power ## Quick Answers - **What is this?** Oakton AO-00653-18 Oakton Conductivity and TDS Standard, 1413 ÃŽÅ“s; 500 mL by oakton - **How much does it cost?** 477.44 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/714704390-oakton-ao-00653-18-oakton-conductivity-and-tds-standard-1413) ## 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 - • **Generous 500 mL Volume:** Ample solution volume supports multiple calibrations, reducing downtime and boosting productivity. - • **Versatile Calibration Solution:** Ideal for conductivity and TDS meters with a broad range of applications from hydroponics to industrial labs. - • **NIST-Traceable Quality Assurance:** Manufactured under ISO 9000 and traceable to NIST standards for unmatched reliability in lab and field work. - • **Precision-Calibrated for Accuracy:** Certified 1413 µS/cm conductivity ensures your instruments deliver spot-on readings every time. - • **Temperature-Corrected Convenience:** Calibration values and temperature corrections printed right on the bottle for effortless, error-free adjustments. ## Overview The Oakton AO-00653-18 is a 500 mL conductivity and TDS calibration standard solution with a precise 1413 µS/cm conductivity value. Manufactured under strict ISO 9000 guidelines and traceable to NIST standards, it features temperature correction data printed on the bottle for easy, accurate calibration of conductivity meters. Perfect for professional labs and field analysis, this lab-grade solution ensures reliable, repeatable measurements every time. ## Description Kcl, NaCl and 442 conversions printed on the bottle for ease of use (excluded on 60-ml bottle, but included in insert) temperature corrections are printed on the bottle, with certified values listed in tables and referenced to 25 degree C (excluded on 60-ml bottle, but included in insert) manufactured under ISO 9000 quality guidelines and traceable to NIST standards If unopened, shelf life is 1 year conductivity options range from 1 µs/cm to 200, 000 µs/cm ideal for laboratory and field analysis all Oakton conductivity and TDS standards are traceable to NIST standard reference materials solutions help you calibrate conductivity instruments to ensure accuracy standard values given at 25 degree C use when readings are expected to be around 1413 µs/cm. Review: Top Quality - This is the real stuff. I had a problem with a bad mix of a 1000ppm "calibration standard" NaCl solution when trying to calibrate my EC meter for home hydroponics. Sent it back and bought this. Comes sealed. Has a temperature/EC grid on the label so with a thermometer on hand, it makes calibrating an EC meter dead on accurate. This is laboratory grade. I'll be sticking with this product for calibrations. Review: Good product - Does the job and arrived quickly. ## Features - Description: conductivity and tds standard, 1413 µs; 500 ml - Resistivity value (mom) - Volume (ml): 500 - Volume (oz): 16.9 - Conductivity-to-tds calibration values (ppmnacl): 702.1 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01MS6HNT9 | | Best Sellers Rank | #44,715 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #105 in Conductivity Meters & Accessories | | Brand | Oakton | | Brand Name | Oakton | | Container Type | Bottle | | Country Of Origin | USA | | Customer Reviews | 4.1 out of 5 stars 70 Reviews | | Item Form | Liquid | | Item Volume | 500 Millilitres | | Item Weight | 454 g | | Manufacturer | COLE-PARMER | | Manufacturer Part Number | AO-00653-18 | | Model Number | AO-00653-18 | | Net Quantity | 1.0 Count | | Package Information | Bottle | | Unit Count | 1.0 Count | | Volume | 500 Millilitres | ## Product Details - **Brand:** Oakton - **Item Weight:** 1 Pounds - **Item Volume:** 500 Millilitres - **Package Information:** Bottle - **Item Form:** Liquid ## Images ![Oakton AO-00653-18 Oakton Conductivity and TDS Standard, 1413 ÃŽÅ“s; 500 mL - Image 1](https://m.media-amazon.com/images/I/31d3A3Z1SzL.jpg) ## Questions & Answers **Q: How do I obtain the calibration certificate?** A: This does not come with a NIST traceable calibration certificate supplied by the manufacturer. However, a certificate of analysis is available on Cole-Parmer.com. Enter the Cole-Parmer part number in the search box at the top of the page. Once of the item page, enter the lot number into the certificate of analysis box. **Q: When does this product expire? 2021?** A: I purchased May 2019. Lot#CC18381 EXP. 04/17/2020. About a year shelf life. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Top Quality *by M***L on 7 March 2021* This is the real stuff. I had a problem with a bad mix of a 1000ppm "calibration standard" NaCl solution when trying to calibrate my EC meter for home hydroponics. Sent it back and bought this. Comes sealed. Has a temperature/EC grid on the label so with a thermometer on hand, it makes calibrating an EC meter dead on accurate. This is laboratory grade. I'll be sticking with this product for calibrations. ### ⭐⭐⭐⭐⭐ Good product *by M***2 on 23 November 2020* Does the job and arrived quickly. ### ⭐ Had Mold Growing in it after 1 use *by A***X on 19 December 2022* I used this once to calibrate a water quality sensor we had deployed at a field site. The second time we used the solution, there were black globes of mold growing in it. The standard was wildly off when we attempted to use it (silly to try this) and the solution was within the use date (hadn't expired yet). We stored the solution according to the label and we handled the calibration solution using gloves and on a clean surface. I have used many conductivity solutions and have never had this issue. Maybe it was just a one off, but I will be using a different conductivity solution from here on out. We can't afford to use poor quality calibration solutions to calibrate thousand $$ instruments while in remote places ## Frequently Bought Together - Oakton AO-00653-18 Oakton Conductivity and TDS Standard, 1413 Μs; 500 mL - Oakton AO-00606-10 Oakton Conductivity and TDS Standard, 12,880 Μs; 500 mL - Oakton AO-00653-16 Oakton Conductivity and TDS Standard, 84 Μs; 500 mL --- ## 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.tn/products/714704390-oakton-ao-00653-18-oakton-conductivity-and-tds-standard-1413](https://www.desertcart.tn/products/714704390-oakton-ao-00653-18-oakton-conductivity-and-tds-standard-1413) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-19*