Specifications
| Nitrate range | 0.00 to 5.00 ppm (as normally open) 3 -) |
| Nitrate resolution | 0.01 pages/minute |
| Nitrate Accuracy | +/- 0.25 ppm +/- 2% reading @25 ℃ (77 ° F) |
| Nitrate method | Colorimetry. The reaction between nitrates and reagents results in pink/purple in the sample. This checker was developed for processing seawater samples. |
| Photometer/colorimeter Light source | Light Emitting Diode @525 nm |
| Photometer/colorimeter Detector | Photocells, photovoltaic cells |
| Battery type/lifespan | 1.5V AAA alkaline battery |
| Automatic shutdown | After 10 minutes of no use |
| Environment | 0 to 50 ℃ (32 to 122 ° F); maximum 95% Relative Humidity, non-condensing |
| Weight | 64 grams (2.3 ounces) |
| size | 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5 in) |
Packing list
machine X1, manual X1, certificate X1, warranty card X1
After-sales instructions
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/45625/Specification.html , which is only used by users who purchase commodities from the NBCHAO.