SUNHO conductivity analyzer is a water quality monitoring instrument product line under Hebei Xianhe Environmental Protection Technology Co., Ltd. Xianhe Environmental Protection is a company focusing on the research and development and production of environmental monitoring equipment. Its main business includes instrumentation, environmental management equipment, etc. Its products have a high market recognition in the field of water quality monitoring.
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Main product models and technical parameters
EC-6850 Industrial Online Intelligent Conductivity Analyzer
Measurement range: 0~30/300/3000 μS/cm; 0~30/300/3000 ppm; 0~30 mS/cm; 0~30 μS/cm(0.1cm-1 sensor)
Accuracy: 1.5%(FS)
Temperature compensation: Automatic temperature compensation based on 25℃
Medium temperature: 0~50℃
Matching electrodes: 0.1cm-1 and 1.0cm-1
Display mode: 4-digit LCD display (conductivity); 4-digit LCD display (temperature)
Power supply: AC 110/220V±10% 50/60Hz
Dimensions: 96×96×130mm (H×W×D)
Installation method: Panel installation (embedded)57
EC-5230 Industrial online intelligent conductivity analyzer
Measurement range: 0~20/200/2000 μS/cm; 0~20/200/2000 ppm; 0~20 mS/cm; 0~20 μS/cm (0.1cm-1 sensor)
Accuracy: 1.5% (FS)
Temperature compensation: 25℃, automatic temperature compensation
Medium temperature: 0~50℃
Matching electrodes: 0.1cm-1 and 1.0cm-1
Display mode: 3½ Bit LCD
Power supply: AC 110/220V±10% 50/60Hz
Dimensions: 96×96×130mm (H×W×D)
Installation method: Panel installation (embedded)612
EC-400 Industrial Online Intelligent Conductivity Analyzer
Measurement range: 0~20/200/2000 μS/cm; 0~20/200/2000 ppm; 0~20 mS/cm; 0~20 μS/cm (0.1cm-1 sensor)
Accuracy: 1.5% (FS)
Temperature compensation: 25℃, automatic temperature compensation
Medium temperature: 0~50℃
Matching electrode: 0.1cm-1
Display method: 3½ Bit LCD
Dimensions: 48×96×100mm (H×W×D)
Opening size: 45×92mm (H×W)13
Technical features and advantages
Automatic temperature compensation: Based on 25℃, automatic temperature compensation is performed to ensure measurement accuracy712
Multi-range automatic switching: Automatically select the appropriate range according to the measured value to improve measurement accuracy7
Panel installation design: Embedded installation method, saving space and beautiful56
Digital display: Clear and intuitive LCD digital display, easy to read56
Stable and reliable: Adopts industrial-grade design, suitable for working environment of 0~50℃712
Multiple output modes: Some models support 4-20mA current output and relay control output7
Application areas
SUNHO Xianhe conductivity analyzer is widely used in the following fields:
Industrial water treatment: Monitoring the water quality of industrial circulating water, boiler water, etc.23
Pure water preparation: For online monitoring of pure water equipment such as reverse osmosis systems and EDI systems1216
Power plant water treatment: Monitoring the water quality of power plant water and steam systems23
Food and pharmaceutical industry: Detect the ion content and dissolved matter concentration in the product to ensure product quality24
Environmental monitoring: For conductivity monitoring of environmental water bodies such as surface water and groundwater

Selection suggestions:
For scenarios requiring high-precision measurements, the EC-6850 model is recommended
For general industrial water quality monitoring, the EC-5230 is a cost-effective choice
In situations where installation space is limited, the smaller EC-400 model can be considered56
Precautions for use and maintenance
Electrode selection: Select the appropriate electrode constant (0.1cm-1 or 1.0cm-1) according to the measurement range712
Regular calibration: It is recommended to calibrate with standard solutions regularly to ensure measurement accuracy39
Temperature compensation: Pay attention to setting the correct temperature compensation coefficient. Different solutions may require different compensation coefficients40
Electrode maintenance: Clean the electrode regularly to avoid contamination affecting the measurement results39
Environmental conditions: Ensure that the instrument operates within the specified ambient temperature and humidity range