Specifications
| pH Measurement range | （-1.99 ~ 19.99）pH |
| Measurement parameters | pH, mV, temperature, dissolved oxygen |
| pH resolution | 0.1/0.01/pH |
| pH measurement Accuracy | Electric meter: ± 0.01pH, matching: ± 0.02pH |
| Input current | ≤1×10(-12) A |
| input impedance | ≥ 3 × 10 (12) Oh |
| Stability | ±0.01pH/3h |
| Temperature compensation range | Manual/automatic (0~100) ℃ |
| mV range | -1999mV～1999mV |
| mV resolution | 1mV |
| mVAccuracy | ±0.1%FS |
| DO range | 0~20.00mg/L(ppm) |
| DO resolution | 0.1/0.01 mg/L(ppm) ；1/0.1 % |
| DO measurement Accuracy | Electric meter: ± 0.10mg/L, matching: ± 0.40mg/L |
| Response time | ≤ 30s (25 ℃, 90% Response) |
| Temperature compensation range | (0~45) ℃ (automatic) |
| Salinity compensation range | 0~45Ppt (automatic) |
| Air pressure compensation range | 80~105kPa (automatic) |
| Auto calibration | Air saturated with water; water saturated with air |
| Electrode type | polarographic |
| Temperature Measurement range | 0℃~ 100℃ |
| temperature resolution | 0.1℃ |
| Temperature measurement Accuracy | 5~ 60 ℃ range: ± 0.4 ℃, remaining range: ± 0.8 ℃ |
| data storage | 2000 groups |
| Save content | Measurement number, measurement value, temperature value, ATC or MTC status, measurement date, measurement time |
| Power | DC12V/1A |
| Communication interface | Wireless Bluetooth (optional), USB2.0 |
| Dimensions | 215*175*35mm |
| Weight | 570g |
| Environment temperature | 5~35℃ |
| Environment humidity | ≤85% |
| Protection class | IP54 |
| Mass and safety certification | ISO9001:2000,CE和CMC |
| DO% Measurement range | 0~200.0% |
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/39425/Specification.html , which is only used by users who purchase commodities from the NBCHAO.