Specifications
| scope | 1000 to 1800 ppm mg |
| Resolution | 5 ppm |
| Accuracy | +/- 5% reading @25 ℃ (77 ° F) |
| Light source | Light Emitting Diodes at 610nm |
| light Detector | Photocells, photovoltaic cells |
| method | Colorimetric EDTA method was adapted using calcium mg stone indicator. The reaction between mg and the reagent makes the sample blue to purple. |
| Environment | 0 to 50 ℃ (32 to 122 ° F); Max. 95% RH Non-condensative Preparative Sample Colorimetric dish (Sample plus Reagent); 18 to 28 ℃ (64 to 82 ° F). |
| Battery type | 1.5VAAA alkaline |
| auto shutdown | After 10 minutes of use |
| size | 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5") |
| Weight | 64 g (2.3 oz) |
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/45627/Specification.html , which is only used by users who purchase commodities from the NBCHAO.