Specifications
| Measurement parameters | pH, mV, temperature, time |
| PH range | -2.000~19.999pH |
| mV range | -1999~1999 mV |
| PH measurement Accuracy | ±0.02pH |
| PH resolution | 0.1/0.01/0.001pH |
| temperature compensation | Manual/automatic (0~100) ℃ |
| Stability (zero drift) | ±0.01pH/3h |
| input impedance | ≥ 1 × 10 （ 12 ） Oh |
| Storage function | 2000 groups |
| Power | 12V1A |
| Dimensions | 215×175×35mm |
| Weight | 570g |
| Conditions of use | Temperature: 5-40 degrees Humidity: 5-85% |
| Input current | ≤2×10（-12）A |
| mV resolution | 0.1mV |
| mV相对Accuracy | ±0.03%FS |
| Temperature Measurement range | 0-100℃ |
| temperature resolution | 0.1℃ |
| temperature relative Accuracy | ±0.5℃ |
| Calibrated | Automatic (3 point calibrated) |
| GLP standard | meet |
| buffer | 欧/美/NIST，Erope/USA/NIST |
| Communication interface | USB2.0, Bluetooth wireless (optional), USB micro interface |
Packing list
complete-built unit X1, manual X1, certificate of conformity 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/39431/Specification.html , which is only used by users who purchase commodities from the NBCHAO.