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HI97720 Calcium Hardness Portable Photometer Meter, 0.00–2.70 mg/L | EnvMart

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Hanna Calcium Hardness Portable Photometer-Meter Only - HI97720

Name: Hanna Calcium Hardness Portable Photometer-Meter Only - HI97720
Brand: Hanna
SKU: 71985
Price: 393.93 USD
Availability: InStock

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Category Portable Photometers Brand Hanna

Specifications

Resolution	0.01 mg/L
Accuracy	±0.11 mg/L ±5% of reading at 25°C
Display Type	128 x 64 pixel B/W LCD with backlight
Measurement Range	0.00 to 2.70 mg/L
Wavelength	525 nm
Automatic Shut-Off	After 15 minutes of inactivity (30 min before READ)
Logging Memory	50 readings
Model	HI97720
Method	Adaptation of Standard Methods, Calmagite Method
Bandpass Filter Bandwidth	8 nm
Sample Cuvette	Round, 24.6 mm diameter (22 mm inside)
Measurement Parameter	Calcium Hardness (as CaCO3)

Key Features

HI97720 Calcium Hardness Portable Photometer provides highly accurate field and laboratory measurement of calcium hardness in water within a range of 0.00 to 2.70 mg/L (as CaCO₃).

Advanced optical system with reference detector and interference filters.
Bandpass filter bandwidth of 8 nm ensures precise readings.
Features tutorial mode for step-by-step user guidance.
CAL Check system verifies meter performance before use.
Logging memory stores up to 50 readings for easy review.
Automatic shut-off helps conserve battery life.
Operates in environmental conditions from 0 to 50°C and 0 to 100% RH (IP67 rated).
Large B/W LCD with backlight for clear display in various settings.
Suitable for industrial, water treatment, environmental, and laboratory use.
Includes 3 x AA battery operation for portability and >800 measurements per set.

Product Description

The HI97720 Calcium Hardness Portable Photometer is engineered for fast and accurate measurement of calcium hardness in water samples, offering a measurement range of 0.00 to 2.70 mg/L (as CaCO₃). The instrument is equipped with a superior optical system that features a bandpass filter with 8 nm bandwidth and a silicon photocell detector to deliver precise and repeatable results. It utilizes a 525 nm LED light source, provides highly accurate calibration, and employs the calmagite adaptation of Standard Methods for the Examination of Water and Wastewater, 23rd Edition.

Advanced reference detector ensures stable readings across measurement cycles.
Narrow band interference filters enhance measurement precision and reduce external light interferences.
Tutorial mode provides intuitive operational instructions for users at all skill levels.
CAL Check function allows verification of instrument accuracy prior to measurement, ensuring reliability.
Ergonomic, IP67-rated housing is ideal for field and laboratory environments, with operation from 0 to 50°C and storage up to 100% relative humidity.
Features automatic shut-off after 15 minutes (30 minutes in reading mode) to preserve battery life.
Comes supplied meter only, ready to pair with compatible reagents and sampling cuvettes.
Data logging enables review and export of up to 50 stored results.

The HI97720 is widely used in industrial water treatment, laboratory analysis, process monitoring, and environmental quality control applications. With robust features and quality build, it supports regulatory compliance for total water hardness assessment in municipal, boiler, cooling system, and pool water samples.

Ready to advance your water analysis? Browse EnvMart's full range of laboratory photometers and accessories to complement your analytical workflow.