Hanna HI761-11 Total Chlorine Checker HC

Hanna HI761-11 Total Chlorine Checker HC

The Hanna HI761-11 Total Chlorine Checker HC is a handheld colorimeter designed as a more accurate and reliable alternative to traditional chemical test kits. Specifically engineered for low-range chlorine detection, this compact device delivers quick, laboratory-grade results in just a few easy steps. It’s ideal for users who need consistent and trustworthy chlorine measurements across a variety of water quality applications.

Key Features:

• High Accuracy and Sensitivity: Measures total chlorine in the 0 to 500 ppb range with a resolution of 1 ppb and accuracy of ±5 ppb ± 5% of reading.

• Compact and Portable: Small, palm-sized design makes it convenient for both field and laboratory use.

• Single Parameter Focus: Optimized for total chlorine testing to eliminate complexity and increase reliability.

• Auto Power Off: Conserves battery life by automatically shutting off after 10 minutes of inactivity.

• Built-in Reaction Timer: Ensures consistent and accurate timing for each reading.

• Low Power Consumption: Operates with just one 1.5V AAA battery.

Technical Specifications:

• Measurement Range: 0 to 500 ppb

• Resolution: 1 ppb

• Accuracy (@25°C/77°F): ±5 ppb ± 5% of reading

• Measurement Method: Colorimetric, based on the DPD reaction

• Light Source: Photodiode @ 525 nm

• Light Detector: Silicon photocell

• Method: Adaptation of USEPA Method 330.5; chlorine reacts with DPD to produce a pink tint

• Power Supply: 1 x 1.5V AAA battery

• Auto-Off: After 10 minutes of inactivity

• Operating Environment: 0 to 50°C (32 to 122°F); max 95% RH non-condensing

• Dimensions: 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)

• Weight: 64 g (2.25 oz.)

Ideal Applications:

• Swimming Pools and Spas: Ensure safe chlorine levels for users.

• Drinking Water Testing: Monitor for compliance with water safety standards.

• Educational Use: Great for science labs and classroom demonstrations.

• Water Purification Systems: Verify treatment performance.

• Environmental Monitoring: Check chlorine levels in rivers, lakes, and wastewater.

• Food & Beverage Processing: Sanitation verification for produce washing and equipment cleaning.

• Hospitality Industry: Maintain water quality in hotels and resorts.

• Aquariums: Keep chlorine levels safe in both freshwater and marine tanks.