Hanna Instruments HI764-11 / 764-11 | Marine Nitrite Ultra Low Range Checker HC Calibration Check Set | Aquarium Testing

Hanna Instruments HI764-11 / 764-11 | Marine Nitrite Ultra Low Range Checker HC Calibration Check Set

Saltwater. Validate the accuracy of your HI764 Marine Nitrite Ultra Low Range Checker® HC with the HI764-11 Calibration Check Set. This set includes sealed cuvettes containing a zero standard and a known nitrite standard, ensuring your Checker delivers reliable ultra low nitrite readings for reef aquariums.

• Designed for the HI764 Marine Nitrite Ultra Low Range Checker® HC
• Includes two sealed cuvettes: zero and standard
• Standard value: 100 ± 14 ppb nitrite @ 25 °C
• Reusable with long shelf life stability
• Supplied with Certificate of Analysis for traceability
• Lot number, reference values, and expiration date provided

More Information

Find more Aquarium Testing Supplies and Hanna Instruments.

FAQ

• Freshwater or saltwater? Saltwater. The HI764 line is built for marine nitrite testing at ultra low levels.
• Do I need this for regular testing? Not for everyday use — it’s for calibration validation.
• How often should I validate? Every few months or when readings appear inconsistent.