Hanna Instruments Chromium VI High-Range Checker
#Grup produk P105584814
Spesifikasi
| Automatic Shut-off | After ten minutes of non-use |
|---|---|
| Battery Type/Life | (1) 1.5V AAA |
| Chromium, Hexavalent Accuracy | +/-5 ppb +/-4% of reading |
| Chromium, Hexavalent Method | Adaptation of the ASTM, Manual of Water and Environmental Technology, D 1687-92, Diphenylcarbohydrazide method. |
| Chromium, Hexavalent Range | 0 to 999 ppb |
| Chromium, Hexavalent Resolution | 1 ppb |
| Dimensions (mm) | 81.5x61x37.5 (3.2\"x2.4\"x1.5\") |
| Environment Temperature (°C) | 0 to 50 (32 to 122 degree F); RH max 95% non-condensing |
| 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. |
| Photometer/Colorimeter Light Detector | Silicon photocell |
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Informasi Produk
Description
The Hanna Chromium VI High-Range Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to precisely determine absorbance and ion concentration. Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Chromium VI High-Range Checker uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.
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