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Sodium Analyzer Model: SM-51 | Ricado Sunnies Nigeria Limited
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Sodium Analyzer Model: SM-51


  1. General

Model SM-51 Sodium Meter is designed to measure the sodium content of water solution. It is particularly suitable for quality control of high pure water in power stations (eg. vapor, condensed water, boiler water), and also suitable for measuring sodium concentration (or activity) of natural water and industrial drainage in college, scientific research departments, petroleum chemical industries and micro-electronic departments.


  1. Features of the meter
  • With digital display, having correct and clear measuring results
  • With the function of manual temperature compensation
  • With the function of concentration value of sodium [Na+] display besides pNa display
  • Having smart appearance


  1. Main specifications and performance
    • Measuring range
  2. pNa value: (0.00~9.00) pNa;
  3. Na+ (concentration value): 23g/L~0.023μg/L
    • Resolution

The least reading of pNa value:   ±0.01pNa

  • Accuracy of electronic unit:   ±02pNa
  • Accuracy of the meter:   ±05pNa
  • Electronic unit input current:  ≤5×10-12A
  • Electronic unit input impedance: ≥3×1011Ω
  • Reproducibility of the meter:  03pNa
  • Stability of electronic unit:  ±02pNa/3h
  • Outside dimensions l×b×h, mm: 290×210×95
  • Weight:  5kg

3.11Normal operating conditions of the meter

  1. ambient temperature: (5~35)℃
  2. relative humidity: ≤80%
  3. power supply: voltage (220±22)V, frequency: (50±1)Hz
  4. temperature of measured solution: (5~50) ℃,

temperature difference between measured solution and standard solution is ≤ 1℃

  1. without vibration around that will influence performance
  2. without corroding gas around
  3. without disturbing by election magnetic field except terrestrial magnetic field



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