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Total Hardness CAL Check™ Standards
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HI96735-11

Total Hardness CAL Check™ Standards

$145.00

The HI96735-11 Total Hardness CAL Check™ standards provide a simple solution to calibrating and validating the HI96735 Total Hardness EPA Portable Photometer that features three measurement ranges. The HI96735-11 CAL CheckTM standards can be used for the low (0 to 250 mg/L CaCO3), medium (200 to 500 mg/L CaCO3), and high (400 to 750 mg/L CaCO3) ranges of total hardness determination. This high quality set of standards is manufactured in our state-of-the-art facility and comes supplied with a certificate of analysis. The certificate of analysis provides the lot number, reference values, and expiration date for traceability when certifying the HI96735 photometer.

  • Supplied with Certificate of Analysis
  • Standard value of 150 ±5 (low range), 350 ±7 (medium range), 520 ±10 (high range) mg/L CaCO3 @ 25°C
  • Reusable with long shelf life stability
Total Hardness CAL Check™ Standards
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