Hanna Instruments Phosphate Low-Range Checker
#Grup produk P105586432
Spesifikasi
| Automatic Shut-off | After three minutes of non-use and two minutes after reading |
|---|---|
| Battery Type/Life | (1) 1.5V AAA |
| Dimensions (mm) | 81.5x61x37.5 (3.2\"x2.4\"x1.5\") |
| Ordering Information | HI713 Checker is supplied with (2) sample cuvettes with caps, phosphate LR reagent starter kit for 6 tests (6 powder reagent packets), battery, instructions and Quick start guide. |
| Phosphate Accuracy (ppm) | +/-0.04 +/-4% of reading |
| Environment Temperature (°C) | 0 to 50 (32 to 122 degree F); RH max 95% non-condensing |
| Phosphate Method | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 20th edition, Ascorbic-Acid method |
| Phosphate Range (ppm) | 0.00 to 2.50 |
| Phosphate Resolution (ppm) | 0.01 |
| Photometer/Colorimeter Light Detector | Silicon photocell |
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Informasi Produk
Description
The Hanna Phosphate Low-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 ion concentration. Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Phosphate Low-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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