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Hanna HI 96701 Free Chlorine meter Absorbance Specifications Light Source : tungsten lamp Light Detector : silicon photocell with narrow band interference filter @ 525 nm Additional Specifications Range : 0.00 to 5.00 mg/L (ppm) Resolution : 0.01 mg/L (ppm) from 0.00 to 3.50 mg/L; 0.10 mg/L above 3.50 mg/L Accuracy @ 25°C (77°F) : ±0.03 mg/L ±3% of reading Method : adaptation of the USEPA method 330.5 and Standard Method 4500-Cl G 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 Weight : 360g (12.7oz.) Battery Type : 9V battery Dimensions : 193 x 104 x 69 mm (7.6 x 4.1 x 2.7”) Ordering Information : HI96701 is supplied with sample cuvettes (2) with caps, 9V battery, instrument quality certificate and instruction manual.
Lutron CL-2006 Chlorine Meter Free chlorine, total Chlorine measurement. Range : 0 to 3.5 mg/L (ppm). Range : Auto range. Measuring principal : Photo meter method. Light source : LED, 525 nm. Record Max, Min. value. 10 PCs Free and Total powder DPD are included. Free and total 1.0 mg/L standard solution are the standard accessories. Power : 1.5 V battery (UM-4/AAA) x 6 PCs. The measuring method is an adaptation of the USEPA Method 330.5 and Standard Method.