Introduction
Multifunctional Controller (Y=51-99)
Y=1:
Groundwater Sampling Controller
Y=2:
Soil Gas Sampling Controller
Y=3:
Flow Rate and Direction Controller
Water Quality Technical Analysis Parameters
Water Level Technical Parameters
Testing Method
Pressure Method
Measurement Range
Over 0～100m
Accuracy
≤±0.25% Full Scale
Resolution
≤0.01m
Nitrate Nitrogen Technical Parameters
Testing Method
Ion Selective Electrode Method or Optical Method
Measurement Range
0~10mg/L (or 0~100mg/L)
Accuracy
≤±0.1mg/L (or ±5)
Resolution
≤0.1mg/L
Lower Limit of Determination
≤2mg/L
Zero Drift
≤±5%
Span Drift
≤±5%
Nitrite Technical Parameters
Determination Method
N-(1-Naphthyl)-ethylenediamine Spectrophotometry
Measurement Range
0～2/10/50 mg/L (expandable)
Lower Limit of Quantification
0.2mg/L
Indicated Error
±5%
Zero Drift
±3%
Chloride Technical Parameters
Measurement Method
Ion Selective Electrode Method
Measurement Range
0~500 mg/L (expandable)
Accuracy
±5%
Repeatability
≤5%
Sulfate Technical Parameters
Measurement Method
Spectrophotometry
Measurement Range
0~1000mg/L (expandable)
Accuracy
±10%
Repeatability
≤5%
Redox Potential Technical Parameters
Testing Method
Electrode Method
Measurement Range
-999~999mV
Accuracy
≤±20mv
Resolution
≤1mV
Water Temperature Technical Parameters
Testing Method
Electrode Method
Measurement Range
-5°C～50℃
Accuracy
≤±0.5℃
Resolution
≤0.1℃
Conductivity Technical Parameters
Testing Method
Electrode Method
Measurement Range
0～200mS/cm
Accuracy
≤±2% of Reading
Resolution
≤0.01mS/cm
Heavy Metal - Arsenic Technical Parameters
Measurement Method
Voltammetry or Spectrophotometry
Measurement Range
0～2mg/L (expandable)
Accuracy (Indicated Error)
±10%
Zero Drift
±5%
Span Drift
±10%
Cyanide Technical Parameters
Measurement Method
Isonicotinic Acid-Barbituric Acid Spectrophotometry
Measurement Range
0～0.5mg/L (more ranges can be expanded)
Repeatability
≤5%
Accuracy
±5%
Zero Drift
±5%
Nitrate Nitrogen Technical Parameters
Measurement Method
Spectrophotometry
Measurement Range
0~50mg/L (expandable)
Accuracy
±5%
Zero Drift
±5%
Turbidity Technical Parameters
Testing Method
Optical Method
Measurement Range
0~3000NTU
Accuracy
≤±5%
Resolution
<1.0NTU
Ammonia Nitrogen Technical Parameters
Testing Method
Ion Selective Electrode Method
Measurement Range
0~20mg/L
Accuracy
≤±5%
Resolution
≤0.01mg/L
Lower Limit of Determination
≤0.1mg/L
Heavy Metal - Hexavalent Chromium Technical Parameters
Measurement Method
Spectrophotometry
Measurement Range
0～1.0mg/L (expandable)
Accuracy
±5%
Zero Drift
±5%
Fluoride Technical Parameters
Analysis Method
Ion Selective Electrode Method
Measurement Range
0～5 mg/L (expandable)
Accuracy
±10%
Precision
≤5%
Zero Drift
±5%
Span Drift
±5%
Iodide Technical Parameters
Measurement Method
Ion Selective Electrode Method
Measurement Range
0.0～0.5mg/L (expandable)
Accuracy
±5%
Repeatability
≤5%
PH Technical Parameters
Testing Method
Glass Electrode Method
Measurement Range
0~14PH
Accuracy
≤±0.2pH
Resolution
≤0.01PH
Permanganate Technical Parameters
Measurement Method
Potassium Permanganate Oxidation-Titration Method
Measurement Range
0～20mg/L, 20～200mg/L (range expandable)
Indicated Error
±5%
Zero Drift
±3%F.S
Span Drift
±3% F.S
Dissolved oxygen electrode technical parameters
Determination Method
Fluorometric method;
Measurement Range
0～20 mg/L
Accuracy
≤0.15mg/L
Zero Drift
±0.2mg/L
Span Drift
±0.2mg/L
Indicated Error
±0.3mg/L
Anionic surfactant technical parameters
Measurement Method
Spectrophotometry;
Measurement Range
0～5mg/L, adjustable;
Accuracy
±10%
Repeatability
≤5%
Groundwater flow velocity and direction instrument technical parameters
Measurement Method
Example image recognition measurement technology
Flow velocity measurement range
0~30mm/s
Flow velocity measurement accuracy:
0.01um/s
Azimuth measurement accuracy:
±1°
