• CAL CHECK™
• 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 HI 96728 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.
HI 96728 is supplied with sample cuvettes with caps (2), 9V battery and instruction manual.
HI 96728C include photometer, sample cuvettes with caps (2 ea.), CAL CHECK standard cuvettes, 9V battery, scissors, cloth for wiping cuvettes, instrument quality certificate, instruction manual and rigid carrying case.
|Range||0.0 to 30.0 mg/L|
|Accuracy||±0.5 mg/L ±10% of reading@ 25°C|
|Light Source||Tungsten lamp|
|Light Detector||Silicon photocell with narrow band interferencefilter @ 525 nm|
|Environment||0 to 50°C (32 to 122°F); RH max 95% non-condensing|
|Power Supply||(1) 9V battery|
|Auto-off||After 10 minutes of non-use in measurement mode;after 1 hour of non-use in calibration mode; with lastreading 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.|
Hanna Instruments products are manufactured in our ISO 9001 facilities, meeting the highest quality standards in the industry. Hanna's high standards also apply should a product be returned due to defects in material or workmanship. Our extensive warranty extends up to three years on some products. Limitations: Warranted products may be returned for repair or replacement only at the discretion of Hanna Instruments. In some circumstances, remedy may constitute refund for the price paid for the product.
The warranty period commences from the original date of sale to the user or a maximum of 18 months from factory ship date. Warranty is valid only when the product is used under normal conditions and in accordance with operating limitations and prescribed maintenance procedures. The express warranty stated previously is the only express warranty given by Hanna to the end-user buyer. Hanna expressly disclaims any warranties implied by law, including but not limited to warranty of merchantability of fitness for a particular purpose. Hanna shall not be liable for any individual or consequential damages of any kind for breach of any warranty, negligence, on the basis of strict liability or otherwise. Hanna's warranty periods are:
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