Hanna Free Chlorine ULR CAL Check™ Standards - HI97762-11

HI97762-11 Free Chlorine Ultra Low Range CAL Check™ Standards provide a high-precision solution for calibrating and validating HI97762 free chlorine ultra low range portable photometers. Designed for laboratory, water treatment, and industrial applications, this set includes two sealed standards, with values of 0.00 mg/L and 0.400 mg/L, allowing users to verify and certify the performance of photometric devices within a critical range of 0.000 to 0.500 mg/L.

Each HI97762-11 calibration set is produced in a state-of-the-art facility and supplied with a certificate of analysis, listing the lot number, reference values, and expiration date for traceability. The standard value is 0.400 ±0.015 mg/L (ppm) free chlorine at 25℃, ensuring accurate calibration even at ultra low concentrations.

• The set contains sealed standards for both zero-point and calibration at 0.400 mg/L.
• Features long shelf life and reusable standards for cost-effective operation.
• Fully traceable with certificate of analysis included.
• Allows for reliable calibration and validation of free chlorine photometers.
• Suitable for use in laboratories, water quality monitoring, research, and industrial processes.
• Standard values conform to the calibration range required for HI97762 photometers.

These standards support consistent and reproducible results for regulatory compliance, quality control, and environmental monitoring. For additional calibration and validation standards, browse EnvMart's full range of laboratory supplies and calibration solutions.