Hanna Ammonia Low Range CAL Check Standard/water testing

The Ammonia Low Range CAL Check Standard is a manufacturer-supplied calibration and validation set for Hanna Ammonia Low Range photometers. The set includes a sealed ZERO (A) cuvette and a CAL Check (B) cuvette with a certified ammonia-nitrogen value, and is supplied with a Certificate of Analysis containing lot number, reference values and expiration date for traceability. It is used to validate and calibrate the HI96700 / HI97700 Ammonia Low Range photometer for routine water testing and instrument performance verification.

Key Features:

• Includes one sealed A cuvette (zero) and one sealed B cuvette (calibration/validation)
• Standard value: 1.50 ± 0.01 mg/L ammonia (as NH3‑N) at 25 °C
• Acceptable reading when validating the photometer: 1.50 ± 0.05 mg/L at 25 °C
• Supplied with Certificate of Analysis (lot number, reference values, expiration date)
• Reusable with long shelf‑life stability; produced in manufacturer’s controlled facility

Advantages:

• Provides a traceable, manufacturer‑certified reference for routine calibration and performance checks
• Simplifies validation with ready‑to‑use sealed cuvettes (zero and calibration) for consistent results
• Certificate of Analysis enables documented traceability and quality control for water testing programs