HANNA HI97711 Free and Total Chlorine

Free Chlorine Range 0.00 to 5.00 mg/L (as Cl2) 

Free Chlorine Resolution:  0.01 mg/LFree Chlorine

Accuracy: ±0.03 mg/L ±3% of reading 

Chlorine Method: Adaptation of the EPA 330.5 DPD method Photometer/Colorimeter 

Light Source:  Light emitting diode Photometer/Colorimeter 

Light Detector:  Silicon photocell with narrow band interference filter @ 420 nm Bandpass Filter 

Bandwidth:  8 nm 

Bandpass Filter Wavelength Accuracy:  ±1.0 nm 

Cuvette Type: round, 24.6 mm diameter (22 mm inside) 

GLP: Date, time of last calibration 

Display:  128 x 64 pixel B/W LCD with backlight 

Logging Type:  automatic logging 

Logging Memory:  50 measurement 

Battery Type/Life:  1.5V AA battery (3 pcs.) / > 800 measurements (without backlight) 

Automatic Shut-Off:  After 15 minutes of inactivity (30 minutes before a READ measurement) 

Environment:  0 to 50°C (32 to 122°F); relative humidity: 100% (IP 67, floating case) 

Weight:  380g with batteries 

Dimensions: 142.5 x 102.5 x 50.5 mm 

Ordering Information: HI97711 is supplied with cuvettes (2), caps (2), plastic inserts for cuvettes (2), 1.5V AA batteries (3), instruction manual, and instrument quality certificate.



  • Quality Engagement
  • Easy change and return
  • Delivery Avaliable
  • Favorable payment