Specifications HI97104 pH, Alkalinity, Free and Total Chlorine , Cyanuric Acid HI971044 pH, Alkalinity, Free and Total Chlorine , Cyanuric Acid pH Range 6.5 to 8.5 pH Resolution 0.1 pH Accuracy @25°C (77°F) ±0.1 pH of reading at 25°C Method adaptation of the Phenol Red method Alkalinity Range 0 to 500 mg/L (as CaCO²) Resolution 1 mg/L Accuracy @25°C (77°F) ±5 mg/L ±5% of reading at 25°C Method Colorimetric method Chlorine, Free and Total Range (all methods) 0.00 to 5.00 mg/L (as Clº) Resolution (all methods) 0.01 mg/L Accuracy @25°C (77°F) (all methods) ±0.03 mg/L ±3% of reading at 25°C Method adaptation of the EPA DPD method 330.5 Cyanuric Acid Range 0 to 80 mg/L (as CYA) Resolution 1 mg/L Accuracy @25°C (77°F) ±1 mg/L ±15% of reading at 25 °C Method adaptation of the turbidimetric method Measurement System Light Source light emitting diode Bandpass filters 525 nm and 610 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 HI97104 and HI971044 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 HI97104C and HI971044C includes photometer, CAL Check standards, sample cuvettes (2), sample caps (2), plastic stoppers (2), 1.5V AA batteries (3), cuvette wiping cloth, scissors, CAL Check standard certificate, instrument quality certificate, instruction manual, and HI7101414 rigid carrying case. Reagents sold separately Reagents and Standards HI97104 / HI971044 HI97775-11 CAL Check standard cuvettes for alkalinity HI775-26 alkalinity reagent HI97722-11 CAL Check standard cuvettes for cyanuric acid HI93722-01 cyanuric acid reagent for 100 tests HI93722-03 cyanuric acid reagent for 300 tests HI97701-11 CAL Check standard cuvettes for free and total chlorine HI93701-01 free chlorine powder reagent 100 tests HI93701-03 free chlorine powder reagent for 300 tests HI93701-F free chlorine liquid reagent for 300 tests HI93711-01 total chlorine powder reagent 100 tests HI93711-03 total chlorine powder reagent for 300 tests HI93701-T total chlorine liquid reagent for 300 tests HI93755-53 chlorine removal reagent HI977794-11 CAL Check standard cuvettes for swimming pool pH HI93710-01 pH reagent for 100 tests HI93710-03 pH reagent 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 10.111 www.hannainst.com | portable
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