Chinese portable pure water conductivity meter

technical indicators
Display mode: Chinese LCD display, Chinese menu style operation.
Measurement range: electrode constant x (1-20000) μ S/cm, 0-99.9℃；
0.01～200μS/cm； (with 0.01 electrode);
0.1～2000μS/cm； (with 0.1 electrode);
1.0～20.00mS/cm； (Equipped with 1.0 electrode);
10～200.0mS/cm； (Equipped with 10.0 electrodes).
TDS： 0.0～19.99g/L； Salinity: 0.0-80.0 ppt.
Resolution: 0.001 μ S/cm, 0.1℃.
Electrode constant: set by software between 0.001 and 15.0 cm-1.
Temperature compensation range: automatic/manual 0-99.9℃.
Temperature coefficient: 0-10%/℃(With 25℃As a benchmark).
Accuracy: ± 0.5% FS, ± 0.3℃.

Communication interface: RS232 bidirectional communication.
Power supply: 4 X 3.6V rechargeable lithium-ion batteries.
Working time (fully charged): Can be used continuously for 24 hours.
Intelligent random charging dock with charging indicator and full charge indicator.
Working conditions: ambient temperature from 0 to 60 degrees Celsius℃ The relative humidity is ≤ 90%.
Power off storage:>5 years.
Clock accuracy: ± 1 minute/month.
Size and weight: 202x202x68mm, 1.0Kg.
Standard configuration:DDS-801DSSecondary meter, one unit, random charging dock, one,DS-0.01 conductivity electrode, one,DS-0.01 circulation pool, one.
Key Features:
High reliability: Single board structure, touch sensitive buttons, no switch knob or potentiometer.
Automatic conversion of measurement frequency: avoids electrode polarization and improves measurement accuracy.
Phase sensitive detection design: eliminate the influence of wires on measurement.
25℃Conversion: Temperature compensation automatic measurement/manual input.
Data storage function, capable of storing 5000 points.
Notepad function: Record 200 pieces of information.
Industrial control watchdog: ensures that the instrument does not crash.