The user manual explains installation, operation, calibration and maintenance of the DDSJ-319L conductivity meter.
This manual provides step‑by‑step instructions for unpacking, installing the DDSJ-319L conductivity meter, connecting the power adapter, electrodes and optional printer, and configuring the instrument for first use. Safety warnings and proper handling of accessories are also covered.
The guide details measurement methods, electrode ID management, calibration procedures, data storage, and routine maintenance. Troubleshooting tips and specifications are included to help users achieve reliable conductivity, TDS, resistivity and salinity measurements in the laboratory. This manual is written in Chinese.
| Power adapter input | 100~240 VAC, 2 A, 50/60 Hz |
|---|---|
| Power adapter output | 24 VDC, 3 A |
| Measurement range | 0.000 µS/cm – 3000 mS/cm |
| Accuracy | ±0.5 % (FS) |
| Maximum measurement electrodes | 5 |
| Calibration records per electrode | 20 sets |
| Supported users | 8 users with password management |
The instrument must be sent for recalibration after one year of use.
Only the supplied adapter with input 100‑240 VAC, 2 A, 50/60 Hz and output 24 VDC, 3 A should be used.
The instrument can manage up to five measurement electrodes, each storing up to twenty calibration records.