---
product_id: 485778703
title: "Oakton Conductivity and TDS Standard, 23 S; 500 mL"
brand: "oakton"
price: "$64.14"
currency: USD
in_stock: true
reviews_count: 1
category: "Oakton"
url: https://www.desertcart.us/products/485778703-oakton-conductivity-and-tds-standard-23-s-500-ml
store_origin: US
region: United States of America
---

# 0.023 mS conductivity precision 500 mL volume for extended use ISO 9000 & NIST traceable quality Oakton Conductivity and TDS Standard, 23 S; 500 mL

**Brand:** oakton
**Price:** $64.14
**Availability:** ✅ In Stock

## Summary

> ⚡ Calibrate with Confidence — Precision Meets Professionalism

## Quick Answers

- **What is this?** Oakton Conductivity and TDS Standard, 23 S; 500 mL by oakton
- **How much does it cost?** $64.14 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/485778703-oakton-conductivity-and-tds-standard-23-s-500-ml)

## 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

- • **User-Friendly Design:** KCl, NaCl, and 442 conversion factors printed directly on the bottle for instant reference.
- • **Trusted Quality Standards:** Manufactured under ISO 9000 guidelines and traceable to NIST standards for ultimate confidence.
- • **Temperature-Compensated Readings:** Built-in temperature corrections referenced to 25°C for consistent results.
- • **Precision-Calibrated for Accuracy:** Certified conductivity-to-TDS values ensure lab-grade reliability every time.
- • **Generous Volume with Practical Shelf Life:** 500 mL bottle supports extended testing needs with a 1-year unopened shelf life.

## Overview

The Oakton Conductivity and TDS Standard (23 S; 500 mL) is a precision calibration solution designed for accurate conductivity and total dissolved solids measurements. Featuring certified values traceable to NIST and manufactured under ISO 9000 standards, it includes convenient printed conversion factors and temperature corrections for ease of use. Ideal for professionals demanding reliable, consistent calibration with a practical 1-year unopened shelf life.

## 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°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. If opened recommended shelf life is 4 months. Conductivity options range from 1 µS/cm to 200,000 µS/cm.

Review: The item arrived with expiration date expired

## Features

- Safety data sheet available on request.
- Description: Conductivity and TDS Standard, 23 S; 500 mL
- Conductivity-to-TDS Calibration Values (ppm442): 14.74
- Conductivity Value (mS): 0.023
- Resistivity Value (Mom)
- Volume (mL): 500

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01MZ8UCOL |
| Batteries Required? | No |
| Colour | Clear |
| Customer Reviews | 3.0 3.0 out of 5 stars (3) |
| Date First Available | 14 Sept. 2018 |
| Item Package Quantity | 1 |
| Item Weight | 454 g |
| Item model number | AO-00653-23 |
| Manufacturer | COLE-PARMER |
| Measurement System | US |
| Package Dimensions | 15.24 x 7.62 x 7.62 cm; 453.59 g |
| Part number | AO-00653-23 |

## Product Details

- **Brand:** Oakton
- **Item form:** Liquid
- **Item volume:** 500 Millilitres
- **Item weight:** 454 g
- **Package information:** Bottle

## Images

![Oakton Conductivity and TDS Standard, 23 S; 500 mL - Image 1](https://m.media-amazon.com/images/I/41kqy0GnsOL.jpg)

## Customer Reviews

### ⭐ Review
*by J***Z on 3 November 2025*

The item arrived with expiration date expired

## Frequently Bought Together

- Oakton AO-00653-23 Oakton Conductivity and TDS Standard, 23 Μs; 500 mL
- Oakton AO-00653-16 Oakton Conductivity and TDS Standard, 84 Μs; 500 mL
- Oakton AO-00653-18 Oakton Conductivity and TDS Standard, 1413 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.us/products/485778703-oakton-conductivity-and-tds-standard-23-s-500-ml](https://www.desertcart.us/products/485778703-oakton-conductivity-and-tds-standard-23-s-500-ml)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-12*