DDG-3080 Industrial Conductivity Meter is our company's latest top-class instrument equipped with a microprocessor and complete English menu. It has display and menu operation pattern; It is characterized by its intelligent operation, multi-function and high measuring performance and its strong environmental adaptability. It can be widely used for continuous monitoring of the conductivities of solutions used in the following fields: Thermal power plant, chemical fertilizer, chemical industry, metallurgy, environmental protection, pharmacy manufacturing, biochemistry, foodstuff and running water.

Features
It has a complete English display and friendly interface. Various parameters can be displayed at the sametime: Conductivity, output current, temperature, time and status. Bitmap type liquid crystal display module with high resolution is adopted. All the data, status and operation prompts are displayed in English. There is no symbol or code that is defined by the manufacturer.

Technical Indexes
1.Conductivity measuring range: 0.01~20μ S/cm (Electrode: K=0.01)
                                                0.1~200μ S/cm (Electrode: K=0.1)
                                                1.0~2000μ S/cm (Electrode: K=1.0)
                                                 10~20000μ S/cm (Electrode: K=10.0)
                                                 30~600.0mS/cm (Electrode: K=30.0)
2.Intrinsic error of the electronic unit: Conductivity: ± 0.5%FS, temperature: ± 0.3 ºC
3.Range of automatic temperature compensation: 0~199.9 ºC, with 25 ºC as the reference  temperature
4.Water sample tested: 0~199.9 ºC, 0.6MPa
5.Intrinsic error of the instrument: Conductivity: ± 1.0%FS, temperature: ± 0.5 ºC
6.Automatic temperature compensation error of the electronic unit: ± 0.5%FS
7.Repeatability error of the electronic unit: ± 0.2%FS± 1 Unit
8.Stability of the electronic unit: ± 0.2%FS± 1 unit/24h
9.Isolated current output: 0~10mA ( load<1.5kΩ )
                                    4~20mA (load<750Ω ) (double-current output for option)
10.Output current error: ≤ ± L%FS
11.Error of electronic unit caused by ambient temperature: ≤ ± 0.5%FS
12.Error of the electronic unit caused by the supply voltage: ≤ ± 0.3%FS
13.Alarm relay: AC 220V, 3A
14.Communication interface: RS485 or 232 (optional)
15.Power supply: AC 220V± 22V, 50Hz± 1Hz, 24VDC (optional)
16.Protection grade: IP54, aluminium shell suitable for outdoor use
17.Clock accuracy: ± 1 minute/month
18.Data storage capacity: 1month (1 point/5 minutes)
19.Saving time of data under a continuous power-failure condition: 10 years
20.Overall dimension: 146 (length) X 146 (width) X 150 (depth) mm;
    Dimension of the hole: 138 X 138mm
21.Working conditions: Ambient temperature: 0~60 ºC; Relative humidity <85%
22.Weight: 1.5kg
23.The conductivity electrodes with the following five constants are usable: K=0.01, 0.1, 1.0, 10.0, and 30.0.