Main Features:
• Only one sample needed for successive free and total chlorine measurements.
- Take a ZERO reading
- Add required reagents for Free Chlorine testing
- Read Free Chlorine levels
- Add required reagents for Total Chlorine testing
- Read Total Chlorine levels
• Ideal for regulatory compliance in areas requiring successive sample measurements.
• Easy-to-use and cost effective while maintaining high accuracy
• Advanced LED optical system
- Innovative optical design that utilizes a reference detector and focusing lens to eliminate errors from changes in the light source and from imperfections in the glass cuvette.
- LEDs have a much higher luminous efficiency, providing more light while using less power. They also produce little heat, which could otherwise affect electronic stability.
- The optical system is sealed from outside dust, dirt and water.
- An exclusive positive‐locking system ensures the cuvettes are placed into the holder in the same position every time.
• CAL Check™
- Validate instrument performance at any time using CAL Check cuvettes made with NIST traceable standards. The CAL Check screen guides the user step-by-step through the validation process and user calibration.
• On-screen tutorial mode with animations
- Guides users step-by-step through the measurement process
• Waterproof and floating IP67 case
• Unit of measure is displayed along with reading
• Built-in timer- Built-in reaction timer that ensures consistency between tests.
• Error messages on display
- Alerts to problems including no cap, high zero, and standard too low
• GLP data:
- Displays the last calibration date.
• Auto data log and recall up to 50 individual measurements
• Battery status indicator
• Auto-shut off
Primary Applications:
Drinking water, wastewater and swimming pools and spas
Ordering Information:
HI97790 is supplied with sample cuvette (2 pcs.); sample cuvette cap (2 pcs.); plastic stopper
(2 pcs.); 1.5V AA alkaline battery (3 pcs.); quick reference guide with instructions
for manual download and instrument quality certificate.
CAL Check standards and testing reagents sold separately
HI97790C includes photometer; rugged carrying case; sample cuvette (2 pcs.); sample
cuvette cap (2 pcs.); plastic stopper (2 pcs.); A ZERO - CAL Check™ cuvette A; HI97701B - CAL
Check cuvette B for Free and Total Chlorine; cloth for wiping cuvettes; scissors; 1.5V AA
alkaline battery (3 pcs.); CAL Check standard certificate; quick reference guide with
instructions for manual download and instrument quality certificate.
Reagents sold separately
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