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Range: 0 - 999 ppb
Resolution: 1 ppb
Accuracy: ±5 ppb ±4%
Light source: LED 525nm
Light Detector: Silicon photocell
Method: Adaptaion of the ATSM, Manual of Water and Enviornmental Technology, D 1687-92, Diphenylcarbohydrazide method
Environment:0 - 50°C
Battery Type: (1) PIN 1.5V AAA
Auto-off: After ten minutes of non-use
Dimensions: 81.5mm x 61mm x 37.5mm
Weight: 64g
Ordering Information: HI723 Checker® is supplied with (2) sample cuvettes with caps, chromium VI HR reagent starter kit for 6 tests (6 powder reagent packets) , battery, instructions and quick start guide.
Option: HI723-25 Chromium VI High Range Checker® HC Reagents (25 tests), HI723-11 Chromium VI High Range Checker® HC Calibration Set, HI731318 Microfiber Cloth for Wiping Cuvettes (4)
