Product Description
Professional High Range Nitrite Colorimeter for Wastewater & Industrial TestingThe Hanna HI708 Checker HC is a portable, professional-grade high range nitrite colorimeter designed for accurate nitrite (NO₂⁻-N) measurement from 0.0 to 150.0 mg/L in wastewater, industrial effluent, and environmental water quality applications. This handheld photometer delivers lab-quality results in the field with simple operation—just add reagent, insert the cuvette, and read nitrite concentration on the easy-to-read LCD display.Key Features:
High Range Precision: Measures nitrite from 0.0 to 150.0 mg/L (ppm) NO₂⁻-N with ±4 mg/L accuracy—ideal for wastewater, industrial effluent, and high-nitrite applications
Portable & Handheld: Compact Checker HC design fits in your pocket for on-site testing anywhere
Lab-Quality Results: Advanced photometric technology delivers accurate, repeatable measurements comparable to benchtop instruments
Simple Operation: Easy three-step process—fill cuvette, add reagent, read result—no complex procedures
LCD Display: Large, easy-to-read screen shows nitrite concentration in mg/L (ppm)
Auto-Off Function: Conserves battery life with automatic shutdown after 10 minutes of non-use
CAL Check: Built-in validation feature verifies meter performance for quality assurance
Complete Kit: Includes meter, sample cuvettes, reagents for initial testing, and carrying case
Technical Specifications:
Model: HI708
Parameter: Nitrite (NO₂⁻-N)
Range: 0.0 to 150.0 mg/L (ppm)
Resolution: 1 mg/L
Accuracy: ±4 mg/L ±4% of reading @ 25°C
Method: Adaptation of EPA Ferrous Sulfate method
Light Source: LED @ 525 nm
Light Detector: Silicon photocell
Battery: 1 x 1.5V AAA (included)
Auto-Off: After 10 minutes of non-use
Dimensions: 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5 inches)
Weight: 15 oz
Country of Origin: Romania
SKU: HI708
Applications:Essential for wastewater treatment plant monitoring (EPA compliance, effluent testing), industrial discharge testing, environmental water quality assessment, agricultural runoff monitoring, laboratory analysis, municipal water treatment, and any application requiring accurate high-range nitrite measurement. Perfect for wastewater operators, environmental consultants, industrial compliance managers, and water quality professionals.What's Included:
HI708 Nitrite High Range Checker HC
Sample cuvettes with caps (2)
Nitrite High Range reagents for initial testing
1.5V AAA battery
Instruction manual
Instrument quality certificate
Rigid carrying case
Why Test Nitrite Levels?Nitrite testing is critical for wastewater treatment and environmental protection. In wastewater treatment, nitrite is an intermediate product in the nitrification process where ammonia is converted to nitrate. Monitoring nitrite levels helps operators optimize biological treatment processes and ensure proper nitrification. Elevated nitrite in effluent can indicate incomplete treatment or process upsets. In environmental monitoring, high nitrite levels can indicate pollution from agricultural runoff or industrial discharge. The HI708's high range (0-150 mg/L) is specifically designed for wastewater treatment plants, industrial effluent monitoring, and applications where nitrite levels are elevated.How to Use:
Fill cuvette with 10 mL water sample to line
Add HI708 reagent packet and mix thoroughly
Wait for color development (20 seconds)
Insert cuvette into HI708 Checker HC
Press button to read nitrite concentration in mg/L
Reagent Availability:Replacement reagents available separately as HI708-25 (25 tests) and HI708-100 (100 tests). Each reagent packet is pre-measured for consistent, accurate results.Maintenance & Care:Clean cuvettes with distilled water after each use. Store in protective case when not in use. Replace battery when low battery indicator appears. Use CAL Check feature periodically to verify meter performance. Keep reagents stored in a cool, dry place.Note: Reagents sold separately after initial supply is used. For best results, use fresh reagents and follow all testing procedures carefully. Regular CAL Check validation recommended for quality assurance.
