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Hanna Calcium Hardness CAL Check™ Standards - HI97720-11

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Hanna Calcium Hardness CAL Check™ Standards - HI97720-11

Name: Hanna Calcium Hardness CAL Check™ Standards - HI97720-11
Brand: Hanna
SKU: 71981
Price: 241.81 USD
Availability: InStock

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Category Cal Check Standards Brand Hanna

Specifications

Country of Origin	India
Product Type	Calcium Hardness CAL Check Standards
Model	HI97720-11
Certificate of Analysis	Included
Packaging	Sealed standards
Shelf Life	Long (refer to COA for expiration date)
Reusable	YES
Product Condition	New
Quantity per Set	1 set
Compatible Instrument	HI97720 Portable Photometer
Standard Values in Set	0.00 and 1.50 mg/L CaCO₃
Calibration Range Supported	0.00 to 2.70 mg/L (ppm) CaCO₃
Standard Value Precision	1.50 ±0.07 mg/L CaCO₃ @ 25°C

Key Features

HI97720-11 Calcium Hardness CAL Check Standards provide reliable calibration and validation for the HI97720 portable photometer.

Designed specifically for HI97720 photometer calibration and validation procedures.
Set includes sealed standards with values at 0.00 and 1.50 mg/L CaCO₃.
Delivers high accuracy with a standard value of 1.50 ±0.07 mg/L CaCO₃ at 25°C.
Each set is supplied with a Certificate of Analysis for traceability and reference.
Comes in a sealed package ensuring long shelf life and stability of standards.
Reusable for repeated calibration tasks in laboratory and industrial environments.
Ideal for water quality analysis, environmental monitoring, and quality control laboratories.
Ensures compliance with standard measurement procedures for calcium hardness.

Product Description

Hanna HI97720-11 Calcium Hardness CAL Check™ Standards Set is a precision calibration solution designed for accurate validation and performance verification of the HI97720 portable photometer. This high-quality standard set ensures reliable measurement of calcium hardness in water, supporting laboratories and industries that require consistent and traceable analytical results.

The set includes two sealed calibration standards: a 0.00 mg/L CaCO₃ blank for zero calibration and a 1.50 mg/L CaCO₃ standard for validation. With a certified value of 1.50 ±0.07 mg/L CaCO₃ at 25°C, these standards provide excellent accuracy and repeatability, ensuring dependable photometric measurements within the working range of 0.00 to 2.70 mg/L CaCO₃.

Each kit is supplied with a Certificate of Analysis, offering full traceability through detailed information such as lot number, certified reference values, and expiration date. This supports compliance with laboratory quality systems and regulatory requirements, making it suitable for audited and professional environments.

Manufactured using high-purity chemicals under controlled conditions, the standards ensure long-term stability and consistent performance. The sealed design protects against contamination, while the reusable nature and extended shelf life make the kit a cost-effective choice for routine calibration and verification tasks.

Designed exclusively for compatibility with the HI97720 photometer, this CAL Check™ set allows users to quickly verify instrument accuracy, detect performance drift, and maintain confidence in analytical results.

Widely used in water treatment plants, environmental monitoring programs, industrial process control, and research laboratories, the HI97720-11 standards are essential for accurate calcium hardness determination and quality assurance.

Enhance your photometric calibration routine with Hanna’s trusted CAL Check™ standards engineered for precision, reliability, and traceability in professional applications photometer calibration standards.