Hanna HI 96711

HANNA HI 96711FREE & TOTAL CHLORINE PHOTOMETER


HANNA HI 96711FREE & TOTAL CHLORINE PHOTOMETER
380,00 $


Primo number :HAHI96711
Brand :Hanna
Brand number :HI 96711




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HANNA HI 96711 FREE & TOTAL CHLORINE PHOTOMETER • CAL CHECK™ • User calibration • Certified calibration and verification standards • BEPS (Battery Error Prevention System) • TIMER function • Auto shut-off • GLP Features The HI 96711 meter measures the free and total chlorine (Cl2) content in water and wastewater. This meter uses an exclusive positive-locking system to ensure that the cuvette is in the same place every time it is placed into the measurement cell. Chlorine is integrated into water supplies in it’s molecular form for the purpose of destroying unwanted microorganisms. Once introduced to the water, chlorine will form into three different forms; free chlorine, hypochlorous acid, and hypochlorous ions. Free chlorine will combine itself with ammonia and nitrogen compounds, creating combined chlorine. When chlorine and ammonia combine, it creates chloramines (monochloramine, dichloramine, and nitrogen trichloride. Proper testing should be administered when chlorinating any water supply, as potentially harmful compounds such as chloroform may be formed. N, N-diethyl-p-phenylenediamine (DPD) as well as other methods are available for measuring total residual chlorine. Specifications Range Free Chlorine: 0.00 to 5.00 mg/L Total Chlorine: 0.00 to 5.00 mg/L Resolution : 0.01 mg/L from 0.00 to 3.50 mg/L; 0.10 mg/L above 3.50 mg/L Accuracy : ±0.03 mg/L ±3% of reading @ 25°C Light Source : Tungsten lamp Light : Detection : Silicon Photocell Power Supply : 9V battery; auto-off: after ten minutes of non-use in measurement mode; after one hour of non-use in calibration mode; with last reading reminder Environment : 0 to 50°C (32 to 122°F); RH max 95% non-condensing Dimensions : 192 x 104 x 69 mm (7.6 x 4.1 x 2.7") Weight : 360 g (12.7 oz.) Method : adaptation of the USEPA method 330.5 and Standard Method 4500-Cl G


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