See page 10.128 for standard reagents; see page 10.129 for CAL Check kits; see page 10.66 for general accessories Specifications HI97710 pH and Free and Total Chlorine 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. Chlorine Dioxide, Rapid Method Range 0.00 to 2.00 mg/L (as ClOº) Resolution 0.01 mg/L Accuracy @25°C (77°F) ±0.10 mg/L, ±5% of reading Method DPD-Glycine 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 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 HI97710 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 HI97710C 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 HI7101412 rigid carrying case. Reagents sold separately Reagents and Standards HI97710 HI97701-11 CAL Check standard cuvettes for free and total chlorine HI93701-01 free chlorine powder reagent for 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 for 100 tests HI93711-03 total chlorine powder reagent for 300 tests HI93701-T total chlorine liquid reagent for 300 tests HI97710-11 CAL Check standard cuvettes for pH HI93710-01 pH reagent for 100 tests HI93710-03 pH reagent for 300 tests HI97710 pH, Free and Total Chlorine Portable Photometer The HI97710 meter measures free and total chlorine (Cl2) in water samples from 0.00 to 5.00 mg/L (ppm) and pH from 6.5 to 8.5. Chlorine is a widely used disinfectant. In order for chlorine to be eective the pH of the water should be less than pH 8.0. • Advanced LED optical system · Innovative optical design that utilizes a reference detector and focusing lens to eliminate errors from changes in the light source and from imperfections in the glass cuvette. · LEDs have a much higher luminous efficiency, providing more light while using less power. They also produce little heat, which could otherwise affect electronic stability. • CAL Check™ · Validate instrument performance at any time using CAL Check cuvettes made with NIST traceable standards. The CAL Check screen guides the user step-by-step through the validation process and user calibration. • On-screen tutorial mode with animations · Guides users step-by-step through the measurement process • Waterproof and floating IP67 case • Unit of measure is displayed along with reading • Built-in timer · Built-in reaction timer that ensures consistency between tests. • Error messages on display · Alerts to problems including no cap, high zero, and standard too low • GLP data · Displays the last calibration date. • Auto logging • Battery status indicator • Auto-shut off 10 Photometers 10.115 www.hannainst.com | portable
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