Checker® HC – HI755-11 Seawater Alkalinity Photometer Calibration Solutions provide a simple solution to validate the Checker® HC – HI755 Seawater Alkalinity Photometer which has a range of 0 to 300ppm CaCO3. This high-quality set of standards is manufactured in our state-of-the-art facilities and comes complete with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiry date for traceability when certifying the Checker®HC photometer.
Checker® HC – HI758-11 Marine Calcium Calibration Solutions provide a simple solution to validate the Marine Calcium Checker® HC – HI758 which has a calcium range of 200-600 ppm. This high-quality set of standards is manufactured in our state-of-the-art facilities and comes complete with a Certificate of Analysis. The Certificate of Analysis indicates the batch number, reference values and expiry date for traceability when certifying the Checker®HC.
Seawater Nitrate Standard Solutions – HI781-11 provides a simple solution for checking the HI781 Seawater Nitrate Checker .
This high-quality set of standards is manufactured in our state-of-the-art facilities and comes complete with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiry date to ensure traceability when certifying the Checker®HC® Mini Photometer.
Hanna Instruments ' HI713-11 Phosphate Calibration Solution is a set of high quality standards for users to validate the Checker®HC – HI713 Narrow Range Phosphate Monitor.
Standard solution for dkH in seawater – HI772-11 provides a simple solution for checking HI772 dKH .
This high-quality set of standards is manufactured in our state-of-the-art facilities and comes complete with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiry date to ensure traceability when certifying the Checker®HC® Mini Photometer.
Milwaukee 12880 µS/cm Calibration Solution is a laboratory-grade 12880 µS/cm conductivity standard solution , prepared from a NIST-traceable potassium chloride solution, that allows you to recalibrate your conductivity meter or tester. conductivity .
Fresh-Start from Milwaukee is a set of pH calibration and electrode rinse solutions designed to optimize the accuracy of your measurements and prevent cross-contamination between samples or calibration solutions. (pH 4.01: 5 sachets, pH 7.01: 10 sachets, pH 10.01: 5 sachets, cleaning solution: 5 sachets)
Milwaukee 's 800 ppm Calibration Solution is a standard, laboratory-grade 800 ppm TDS solution , prepared from a NIST-traceable potassium chloride solution, that allows you to recalibrate your conductivity meter or tester. Consult your conductivity meter or tester manual to find the correct standard for your device.
Milwaukee Phosphate Reagent MI512-0includes high quality reagents that are ready to use with the Milwaukee MW12 Low-Range Phosphate Tester . Reagents and tester use adaptation of ascorbic acid method. The reagents are designed for use with samples that have an expected range of 0.00 to 2.50 ppm (mg/L) PO4.
MA9020 is a laboratory grade 200-275 mV ORP solution certified to meet the range.
MA9020 is used to check the health and accuracy of an ORP electrode. Milwaukee solutions are designed to help you achieve reliable and repeatable redox measurements.
MA9004 is a laboratory grade pH 4.01 buffer solution certified to the standard with an accuracy of ±0.01 pH eliminating inaccuracies associated with mixing buffers.
Milwaukee solutions are designed to help you achieve reliable, repeatable pH measurements while extending the life of your electrode.
MA9007 is a laboratory grade pH 7.01 buffer solution certified to the standard with an accuracy of ±0.01 pH eliminating inaccuracies associated with mixing buffers.
Milwaukee solutions are designed to help you achieve reliable, repeatable pH measurements while extending the life of your electrode.
MA9010 is a laboratory grade pH 10.01 buffer solution certified to the standard with an accuracy of ±0.01 pH eliminating inaccuracies associated with mixing buffers.
Milwaukee solutions are designed to help you achieve reliable, repeatable pH measurements while extending the life of your electrode.
MA9015 is a laboratory grade electrode storage solution prepared with premium chemicals to improve performance and extend the life of your pH and ORP electrodes, testers and pens.
Milwaukee solutions are designed to help you achieve reliable, repeatable pH measurements while extending the life of your electrode.
The electrode rinse solution is ideal for use as an intermediate rinse between samples or calibration solutions to prevent cross-contamination. This flushing solution is also ideal for removing the buildup of basic salt deposits on the probe or cap caused by evaporation of the storage solution. Even though the accumulation of salt deposits is normal, they must be removed before measuring or calibrating. Electrode rinse solution should not replace cleaning or storage solutions.
MA9011 is a reagent grade pH and ORP electrode filling solution that contains 3.5M KCl. This filling solution is specifically formulated for double junction electrodes. Double junction electrodes have two chambers. The inner chamber has an Ag/AgCl reference wire and a KCl + AgCl filling solution. The outer chamber contains a KCl filling solution.
Standard solution for HI783mini seawater photometer . Provides a simple solution to verify the accuracy of measurements from theHI783 photometer.
This high-quality standards set is manufactured in our state-of-the-art facilities and comes with a certificate of analysis. The certificate of analysis provides the batch number, reference values, and expiration date to ensure traceability during the certification of the Checker®HC® Mini Photometer.
Standard solution for the HI784 mini ammonia photometer . Provides a simple solution for verifying the accuracy of measurements from the HI784 photometer.
This high-quality standards set is manufactured in our state-of-the-art facilities and comes with a certificate of analysis. The certificate of analysis provides the batch number, reference values, and expiration date to ensure traceability during the certification of the Checker®HC® Mini Photometer.
The HI782-11 seawater nitrate standard solutions provide a simple solution for checking the HI782 seawater nitrate checker .
This high-quality standards set is manufactured in our state-of-the-art facilities and comes with a certificate of analysis. The certificate of analysis provides the batch number, reference values, and expiration date to ensure traceability during the certification of the Checker®HC® Mini Photometer.
Milwaukee MA9016 is a laboratory-grade cleaning solution for pH and ORP electrodes , specially formulated to remove deposits that can interfere with measurements. It effectively cleans the sensitive bulb of pH electrodes, the platinum tip of ORP probes, and their junction. Regular maintenance helps maintain faster, more accurate, and reproducible measurements , while also helping to extend electrode life. The solution is prepared according to precise standards in a controlled environment and packaged in an airtight bottle that protects its contents from light and air. The 230 ml size is suitable for both portable testers and electrodes used with laboratory equipment.
Cleans pH and ORP electrodes to preserve the accuracy and speed of measurements.
Helps maintain a clean and functional junction to ensure a regular electrode response.
Ready-to-use laboratory-grade solution , packaged in a 230ml airtight bottle.
Milwaukee MA9065 is a 111,800 µS/cm conductivity standard solution specifically designed for the precise control and calibration of compatible conductivity meters and testers. Prepared from NIST-traceable potassium chloride , it provides a reliable reference for maintaining consistent measurements, even when the probe begins to be affected by deposits, use, or aging. Packaged in a tamper-evident, airtight 230 ml bottle , this laboratory-grade solution is protected from light and air to preserve its properties. A temperature correction table is printed directly on the bottle, simplifying use and naturally accounting for conductivity variations.
Accurate standard at 111,800 µS/cm for checking and recalibrating compatible conductivity meters.
NIST traceable reference based on potassium chloride for excellent metrological reliability.
230ml airtight bottle with batch number, expiry date and temperature chart.
Milwaukee MA9064 is an 80,000 µS/cm conductivity standard solution designed for the precise checking and recalibration of compatible conductivity meters and testers. Made from a NIST-traceable potassium chloride solution , it provides a reliable reference when a probe's performance begins to change due to use, deposits, or aging. Its 230 ml tamper-evident, airtight bottle effectively protects the solution from air and light. To facilitate accurate calibration under any conditions, Milwaukee prints a table directly on the bottle showing the actual conductivity at different temperatures . This solution is particularly well-suited for users seeking accuracy, traceability, and ease of use.
80,000 µS/cm standard solution for precisely checking and recalibrating compatible conductivity meters.
NIST 2202 SRM traceability to ensure a reliable reference during each calibration.
230ml airtight bottle with temperature chart, batch number and expiry date.
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Calibration and cleaning solutions are used to calibrate electronic devices.
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