Free Chlorine and Ultra High Range Total Chlorine Portable Photometer - HI97771

Product Code : HI97771

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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)
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% (IP67)
Weight	380 g (13.4 oz.) with batteries
Dimensions	142.5 x 102.5 x 50.5 mm (5.6 x 4.0 x 2.0")
Ordering Information	HI97771 is supplied with cuvettes (2), caps (2), plastic inserts for cuvettes (2), 1.5V AA batteries (3), instruction manual, and instrument quality certificate HI97771C 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.