Chlorine, Cyanuric Acid and pH Portable Photometer Cat.No. HI 96725

Description: CAL CHECK™ User calibration Certified calibration and verification standards BEPS ( Battery Error Prevention System) TIMER function Auto shut-off GLP Features Specification: Range Cl, Free 0.00 to 5.00 mg/ L ( ppm) Cl, Total 0.00 to 5.00 mg/ L ( ppm) CYA 0 to 80 mg/ L ( ppm) pH 6.5 to 8.5 pH Resolution Cl, Free 0.01 mg/ L Cl, Total 0.01 mg/ L CYA 1 mg/ L ( ppm) pH 0.1 pH Accuracy @ 25° C Cl, Free ± 0.03 mg/ L ± 3% of reading Cl, Total ± 0.03 mg/ L ± 3% of reading CYA ± 1 mg/ L ± 15% of reading pH ± 0.1 pH Light Source tungsten lamp Light Detector silicon photocell with narrow band interference filter @ 525 nm 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 Chlorine adaptation of the EPA recommended DPD method 330.5 CYA adaptation of the Turbidimetric method pH Phenol Red method