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Nitrate-Nitrogen Portable Meter LH-A015


Nitrate-Nitrogen Portable Photometer Kit
  • User calibration
  • Certified calibration and verification standards
  • BEPS (Battery Error Prevention System)
  • TIMER function
  • Auto shut-off
  • GLP Features
Nitrates are present in nature as a result of decomposition of organic microorganisms or due to their use as fertilizers. Nitrates reduce to nitrites, which in turn easily combine to form substances dangerous to man.
A maximum level of 45 mg/L (ppm) is established as a worldwide guideline for nitrate concentration in water. In Europe, the maximum consented level of nitrates in potable water is 50.0 mg/L (ppm), while in the USA the EPA has established a guideline for the maximum level of nitrate—nitrogen of 10 mg/L (NO-3-N), which corresponds to 45.0 mg/L of nitrates.
The HI96728 meter measures the nitrate content in water and wastewater.
This meter uses an exclusive positive-locking system to ensure that the cuvette is in the same place every time it is placed into the measurement cell.


Range 0.0 to 30.0 mg/L
Resolution 0.1 mg/L
Accuracy ±0.5 mg/L ±10% of reading@ 25°C
Light Source Tungsten lamp
Light Detector Silicon photocell with narrow band interference filter @ 525 nm
Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Power Supply (1) 9V battery
After 10 minutes of non-use in measurement mode; after 1 hour of
non-use in calibration mode; with last reading reminder.
Dimensions 192 x 104 x 69 mm (7.6 x 4.1 x 2.7″)
Weight 360 g (12.7 oz.)
Method Adaptation of the cadmium reduction method.


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