AquaCheck Singlet Single Use Conductivity Solution | 2771520
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The Hach Singlet 2771520 is a ready-to-use, single-use potassium chloride (KCl) conductivity standard solution designed for fast, accurate calibration of conductivity meters in pool, spa, aquatic facility, municipal water, and laboratory QA/QC applications. Each pack contains 20 individually sealed 20 mL foil pouches at a certified concentration of 12.88 mS/cm (±10% at 25°C), eliminating the preparation, storage, and contamination risks associated with bulk calibration solutions. The sealed foil packaging blocks air exposure and prevents solution degradation between uses, so every pouch delivers a fresh, reliable reference standard at the moment it is opened. Calibration is straightforward — open a pouch, insert the electrode, calibrate the meter, and discard — with no measuring, diluting, or cleanup required. The 2771520 is compatible with Hach conductivity meters and with most third-party conductivity and TDS meters.
- Certified 12.88 mS/cm KCl Standard: Each pouch contains a 12.88 mS/cm potassium chloride conductivity standard solution certified at ±10% at 25°C, providing a reliable, traceable reference point for accurate conductivity meter calibration across pool, spa, municipal water, and laboratory environments where measurement accuracy directly affects water quality decisions.
- Sealed Single-Use Foil Pouches: Every 20 mL dose is sealed inside an individual foil pouch that blocks air exposure and prevents cross-contamination between calibrations, ensuring each procedure is performed with a fresh, uncompromised standard rather than a slowly degrading bulk reagent left open between uses.
- No Preparation or Dilution Required: Pre-mixed and pre-measured at the correct certified concentration, each pouch needs no dilution, mixing, or weighing on site — open the pouch, insert the electrode, and calibrate — dramatically reducing preparation time and the user-error risk associated with preparing calibration solutions in the field or lab.
- Portable, Spill-Resistant Field Format: The compact, sealed pouch format is easy to transport to pool facilities, waterparks, and remote field sites without the spillage and breakage risk of glass bottles, making the 2771520 a practical option for pool service professionals and water quality technicians performing routine on-site conductivity checks.
- Wide Conductivity Meter Compatibility: Designed for use across Hach's full conductivity meter portfolio and compatible with most other conductivity and TDS meters on the market, making it a flexible calibration solution for both dedicated Hach users and operations that maintain a mix of instrument brands in their inventory.
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