Specifications HI97725 Chlorine, Cyanuric Acid and pH Chlorine, Free Range 0.00 to 5.00 mg/L (ppm) Resolution 0.01 mg/L Accuracy @25°C (77°F) ±0.03 mg/L ±3% of reading Method adaptation of the EPA recommended DPD method 330.5 and standard method 4500-CL G Chlorine, Total Range 0.00 to 5.00 mg/L (ppm) Resolution 0.01 mg/L Accuracy @25°C (77°F) ±0.03 mg/L ±3% of reading Method adaptation of the EPA recommended DPD method 330.5 and standard method 4500-CL G Cyanuric Acid Range 0 to 80 mg/L (ppm) Resolution 1 mg/L Accuracy @25°C (77°F) ±1 mg/L ±15% of reading Method adaptation of the Turbidimetric method pH Range 6.5 to 8.5 pH Resolution 0.1 pH Accuracy @25°C (77°F) ±0.1 pH Method Phenol Red method Measurement System Light Source light emitting diode Bandpass filter 525 nm Bandpass filter bandwidth 8 nm Bandpass filter wavelength accuracy ±1.0 nm Light Detector silicon photocell Cuvette type round 24.6 mm diameter (22 mm inside) Additional Specifications Auto logging 50 readings Display 128 x 64 pixel B/W LCD with backlight Auto-off after 15 minutes of inactivity (30 minutes before a READ measurement) Battery type / Life alkaline 1.5 V AA (3) / > 800 measurements (without backlight) Environment 0 to 50°C (32 to 122°F); 0 to 100% RH, non-serviceable Dimensions 142.5 x 102.5 x 50.5 mm (5.6 x 4.0 x 2.0") Weight 380 g (13.4 oz.) Ordering Information HI97725 is supplied with sample cuvettes (2), sample caps (2), plastic stoppers (2), 1.5V AA batteries (3), instrument quality certificate, and instruction manual. CAL Check standards and testing reagents sold separately HI97725C includes photometer, CAL Check standards, sample cuvettes (2), sample caps (2), plastic stoppers (2), 1.5V AA batteries (3), cuvette wiping cloth, CAL Check standard certificates, instrument quality certificate, instruction manual, and rigid carrying case. Reagents sold separately Reagents and Standards HI97725 HI97701-11 CAL Check standard cuvettes for free and total chlorine HI93701-01 free chlorine reagents for 100 tests HI93701-03 free chlorine reagents for 300 tests HI97710-11 CAL Check standard cuvettes for pH HI93710-01 pH reagents for 100 tests HI93710-03 pH reagents for 300 tests HI93711-01 total chlorine reagents for 100 tests HI93711-03 total chlorine reagents for 300 tests HI97722-11 CAL Check standard cuvettes for cyanuric acid HI93722-01 cyanuric acid reagents for 100 tests HI93722-03 cyanuric acid reagents for 300 tests See page 10.128 for standard reagents; see page 10.129 for CAL Check kits; see page 10.66 for general accessories 10 Photometers 10.113 www.hannainst.com | portable
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