HI97710 / HI 97710 PH, Free And Total Chlorine Portable Photometer

HI97710 / HI 97710 pH, Free and Total Chlorine Portable Photometer

pH Range 6.5 to 8.5 pH
pH Resolution 0.1 pH
pH Accuracy ±0.1 pH @ 25 oC
pH Method adaptation of Phenol Red method
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 0.00 to 5.00 mg/L (as Cl2)
Total Chlorine Resolution 0.01 mg/L
Total 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 @ 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
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 HI97710 is supplied with cuvettes (2), caps (2), plastic inserts for cuvettes (2), 1.5V AA batteries (3), instruction manual, and instrument quality certificate.
Kit HI97710C 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.