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Hanna Chlorine, Cyanuric Acid, and pH Portable Photometer-Kit - HI97725C

Category Portable Photometers Brand Hanna

Specifications

Display 128 x 64 pixel B/W LCD with backlight
Power 3 x 1.5 V AA alkaline batteries
Measured parameters Free Chlorine, Total Chlorine, pH, Cyanuric Acid
pH Range 6.5–8.5 pH
pH Resolution 0.1 pH
pH Accuracy ±0.1 pH at 25°C
Automatic Shut-Off After 15 min inactivity (30 min before READ)
Logging Memory 50 readings
Model HI97725C
Optical System LED with 525 nm bandpass filter
Bandpass Filter Bandwidth 8 nm
Bandpass Filter Wavelength Accuracy ±1.0 nm
Free Chlorine Range 0.00–5.00 mg/L (as Cl2)
Free Chlorine Resolution 0.01 mg/L
Free Chlorine Accuracy ±0.03 mg/L ±3% of reading at 25°C
Light Detector Silicon photocell
Total Chlorine Range 0.00–5.00 mg/L (as Cl2)
Cyanuric Acid Range 0–80 mg/L (as CYA)
Total Chlorine Accuracy ±0.03 mg/L ±3% of reading at 25°C
Total Chlorine Resolution 0.01 mg/L
Cyanuric Acid Accuracy ±1 mg/L ±15% of reading at 25°C
Cyanuric Acid Resolution 1 mg/L

Key Features

HI97725C Portable Chlorine, Cyanuric Acid, and pH Photometer Kit is designed for precise water analysis in pools, spas, and cooling towers.

  • Measures free chlorine, total chlorine, pH, and cyanuric acid in water samples with high accuracy.
  • Advanced optical system with reference detector and narrow band interference filters.
  • Tutorial mode provides step-by-step on-screen instructions for guided operation.
  • Bandpass filter bandwidth of 8 nm and wavelength accuracy of ±1.0 nm for reliable measurements.
  • Automatic shut-off feature after 15 minutes of inactivity for extended battery life.
  • Large 128 x 64 pixel B/W LCD with backlight for easy reading in all lighting conditions.
  • Stores up to 50 readings with built-in logging memory for convenient tracking.
  • IP67-rated housing for durable performance in challenging environments.
  • Adapts US EPA Method 330.5 and Turbidimetric Method for chlorine and CYA analysis.
  • Operates in 0–50°C temperature range and up to 100% relative humidity.

Product Description

The HI97725C Portable Chlorine, Cyanuric Acid, and pH Photometer Kit is designed for fast and accurate measurement of key water quality parameters, including free chlorine (0.00 to 5.00 mg/L), total chlorine (0.00 to 5.00 mg/L), cyanuric acid (0 to 80 mg/L), and pH (6.5 to 8.5 pH). This portable photometer kit uses an advanced optical system with a reference detector and narrow band interference filters to provide highly repeatable and precise readings, making it ideal for pool maintenance, spa monitoring, and cooling tower water treatment.

  • Measures free and total chlorine, cyanuric acid, and pH in various water sources.
  • Employs US EPA Method 330.5 (DPD Colorimetric Method) for chlorine and Turbidimetric Method for CYA.
  • Offers tutorial and CAL Check modes for easy operation and performance verification.
  • Equipped with a large graphical LCD, intuitive navigation, and step-by-step guidance.
  • Automatic shut-off occurs after 15 minutes of inactivity (or 30 minutes before a READ measurement).
  • Includes logging memory for 50 readings, ensuring streamlined data management.
  • Powered by 3 x 1.5V AA alkaline batteries, yielding up to 800 measurements per set.
  • Designed for durability with an IP67 rating, ensuring reliable operation from 0–50°C and 0–100% RH.
  • Cuvette size: round, 24.6 mm diameter, 22 mm inside.
  • Dimensions: 142.5 x 102.5 x 50.5 mm; Weight: approx. 0.38 kg.

Industrial and laboratory use cases include swimming pool management, spa maintenance, industrial cooling tower treatment, and water quality assurance in municipal and commercial facilities. The kit provides all necessary components for comprehensive water parameter monitoring in portable field applications.

Explore more laboratory photometers and water quality instruments in the Portable Photometers category on EnvMart.

Hanna Chlorine, Cyanuric Acid, and pH Portable Photometer-Kit - HI97725C
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