Free Chlorine and Ultra High Range Total Chlorine Portable Photometer

HI 97771 is an advanced portable photometer for the measurement of free and ultra high range total chlorine in water. This meter offers a superior optical system that utilizes a reference detector and narrow band interference filters for extremely fast and repeatable measurements.

• No warm up time before taking a measurement
• Tutorial mode for step-by-step instructions
• Readings up to 500 mg/L total chlorine

Specifications:

• Free Chlorine Range: 0.00 to 5.00 mg/L (as Cl2)
• Free Chlorine Resolution: 0.01 mg/L
• Free Chlorine Accuracy: ±0.03 mg/L ±3% of reading
• Total Chlorine Range: 0 to 500 mg/L (as Cl2)
• Total Chlorine Resolution: 1 mg/L
• Total Chlorine Accuracy: ±3 mg/L ±3% of reading
• Chlorine Method: free chlorine - adaptation of the EPA 330.5 DPD method total chlorine: adaptation of the Standard Methods for Examination of Water and Wastewater, 20th edition, 4500-Cl.
• Photometer/Colorimeter Light Source: Light emitting diode
• Photometer/Colorimeter Light Detector: silicon photocell with narrow band interference filter @ 525 nm
• Bandpass Filter Bandwidth: 8 nm
• Bandpass Filter Wavelength Accuracy:±1.0 nm
• Cuvette Type: round, 24.6 mm diameter (22 mm inside)
• Logging Type: automatic logging
• Logging Memory: 50 measurement

960-615-02 is supplied with: cuvettes (2), caps (2), plastic inserts for cuvettes (2), 1.5V AA batteries (3), instruction manual, and instrument quality certificate

960-615-04 is supplied with: CAL-Check standards, cuvettes (2), caps (2), plastic inserts for cuvettes (2), scissors, cuvette cleaning cloth, 1.5V AA batteries (3), instruction manual, and instrument quality certificate.