Specifications
| pH Measurement range | （-1.99 ~ 19.99）pH |
| pH resolution | 0.1/0.01pH |
| 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 (0~100.0) ℃ |
| mV range | -2000mV ~ 0 ~ 2000mV |
| mV resolution | 1mV |
| mVAccuracy | ±0.1%FS |
| Conductivity Detector Measurement range 1 | 0.00 ~ 20.00μS / cm 20.0 ~ 200.0μS / cm200 ~ 2000μS / cm |
| Conductivity Detector Measurement range 2 | （2.00~20.00）mS/cm、（20.0~200.0）mS/cm、（200~2000）mS/cm（K=10） |
| Resistivity Measurement range | 0 ~ 100MZ · cm |
| TDS range | 0~100g/L |
| Salinity range | 0~100ppt |
| resolution | 0.01/0.1/1μS/cm，0.01/0.1/1 mS/cm |
| Accuracy | Electric meter: ± 0.5% FS, matching: ± 1.0% FS |
| Temperature compensation range | (0~100) ℃ (manual/automatic) |
| Electrode constant | 0.1/1/10cm-1 |
| reference temperature | 25 ℃, 20 ℃ and 18 ℃ |
| 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 | (0~100) ℃ (automatic/manual) |
| Salinity compensation range | 0~45Ppt (automatic) |
| Air pressure compensation range | 80~105kPa (automatic) |
| Electrode type | polarographic |
| Temperature Measurement range | 0℃~ 100℃ |
| temperature resolution | 0.1℃ |
| Temperature measurement Accuracy | 5~ 60 ℃: ± 0.4 ℃; other range: ± 0.8 ℃ |
| data storage | 2000 groups |
| Save content | Measurement number, measurement value, temperature value, ATC or MTC status, measurement date, measurement time |
| Power | Rechargeable lithium battery Power , 3.7V/1800mA rechargeable lithium battery |
| Communication interface | USB2.0, wireless Bluetooth (optional) |
| Dimensions | 160*190*70mm |
| Environment temperature | Environment temperature: 5~ 35 ℃ (0.01 grade), 15~ 30 ℃ (0.001 grade) |
| Environment humidity | ≤75% |
| Protection class | IP54 |
| Weight | 880g |
| Residual current | ≤0.1mg/L |
| Auto calibration | Air saturated with water; water saturated with air |
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/39442/Specification.html , which is only used by users who purchase commodities from the NBCHAO.