Specifications
| Instrument level | Level 0.01 |
| Measurement parameters | pNa, Na + concentration value, mV (ORP), temperature value |
| Measurement range -pNa | （0.00~9.00）pNa |
| Measurement range mV | -1999~1999mV |
| Measurement range - [Na +] Ion concentration | （2.3×10-2~2.3×107）μg/L |
| Intrinsic error -pNa value | ±0.01pNa |
| Intrinsic error - [Na +] Ion concentration | +/- 1% (reading) |
| Intrinsic error - temperature value | ±0.2℃ |
| Stability | (+/- 0.01pNa +/- 1 word)/3h |
| Temperature compensation method | automatic |
| calibration | Two-point calibration (dynamic calibration) |
| data storage | 1000 sets |
| View, delete and print | support |
| Display | LCD, Chinese Operating interface |
| Interface | USB |
| software | REX data collection software |
| Power Supply | Control Unit: 9VDC, 800mA, internal positive and external negative; measurement unit: AC (220 +/- 22) V, (50 +/- 1) Hz |
| Dimensions | Control Unit: 280 * 215 * 92mm; measurement unit: 280 * 290 * 310mm |
| Weight | Control Unit: 1kg; measurement unit: 3.5kg |
| Temperature compensation range | 0~50℃ |
Packing list
Sodium ion meter x1, DWS-295-1 type sodium ion meter measurement unit x1, 6801A sodium ion electrode x1, 6802A reference electrode x1, T-818-B-6 type temperature electrode x1, DC general power supply x1, general power cord x1, fuse x3, USB communication cable x1, water outlet pipe (φ 8 × 1) x1, pump tube x1, potassium chloride solution x1, data collection software x1, manual (electronic unit, measurement unit) x1, certificate x1
After-sales instructions
Warranty days: 365 days
[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/17068/Specification.html , which is only used by users who purchase commodities from the NBCHAO.