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YOKOGAWA PH72SN-21-AA Personal pH/ORP Meter Model

OKOGAWA Personal pH/ORP Meter 
  • item no.:

    PH72SN-21-AA
  • lead time:

    2-3days
  • product orgin:

    JAPAN
  • payment:

    T/T
  • Condition:

    new
  • product details

PH72SN-21-AA Specifications

  • Measurement
Hydrogen ion concentration (pH) or oxidation-reduction potential (ORP) of solutio
  • Measuring range
pH:0 to 14 pH*1
ORP: -2000 to 2000 mV
Temperature:0 to 80°C*2 (or 0 to 100°C*4)
  • Resolution
pH: 0.01 pH
ORP: 1 mV (0.1 mV: -199.9 to 199.9 mV)
Temperature: 0.1°C
  • Repeatability (without sensor)
pH: ±0.01 pH
ORP: ±1 mV
  • Accuracy
Temperature: ±0.7°C (0 to 70°C)
                        ±1°C (above  70°C)
  • Display
Digital LCD
  • Indication
pH or ORP (mV) and solution temperature (simultaneously),sensor check, various messages *3
  • Temperature compensation (glass electrode emf — temperature characteristics)
Automatic compensation (or manual compensation*4)
  • Solution temperature
0 to 80°C (or 0 to 100°C*4) (0 to 50°C when a KCl replenishfree type sensor and its sensor cable are immersed in water)
  • Solution conductivity
50 μS/cm or more *5
  • Calibration
Automatic (1 or 2 point), manual
  • Ambient temperature
 0 to 50°C
  • Construction
Protection class IP67 (IEC 60529)
  • Dimensions
Approximately 150(H) x 61(W) x 42(D) mm (not including connector part)
  • Weight
Approximately 220 g (without sensor)


PH72 Meter — Part Names and Functions



PH72SN-21-AA pH Calibration


The PH72 meter needs to be calibrated when the sensor is connected for the first time;

after the sensor is replaced;

after the meter has been stored for a long period;

after the electrode is cleaned; orwhen necessary.

                  Note: Calibration results are saved in the meter when the batteries are replaced


PH72SN-21-AA  DATASHEET DOWNLOAD






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