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Denver Instruments Model 250 Electrochemistry Scales

Model: 250

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Manufactured by: Denver Instruments
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A multimeter for electrochemical analysis!

The Model 250 provides the easiest, most accurate measurements available, combining a research-grade pH meter, ion meter, and conductivitiy meter in one!

Ranges1.00x10^9 to 9.99x10^9-2.000 to 20.000+-1800.0
Resolution1, 2, 3 significant digits0.001/0.01/0.10.1/1
Temperature Measurement-5 to 105C; relative accuracy, +-0.3ºCTemperature CompensationManual Automatic, -5.0 to 105ºC
Relative Accuracy+-0.17n%+-0.002+-0.1

Other Specifications:
  • Slope Control: Automatic 90 to 105%, Manual 80 to 110%
  • Environmental Conditions: 15º to 40ºC, to 90% Relative Humidity
  • Conductivity Range: 0.01 to 300,000µS (depending on cell constant)
  • Relative Accuracy: 0.5% of reading
  • Salinity Ranges: Autoranging, 0.01 to 70ppt NaCl equivalent salinity, Autoranging, 0.01 to 42ppt practical salinity
  • Resistivity: 30ohm*cm to 1, 10 or 20megaohm*cm (at cell constants of 10, 1, 0.5cm-1 respectively) Autranging units; readout in ohm*cm, kilohm*cm, or megaohm*cm.  Fixed units: kilohm*cm
  • Total Dissolved Solids: 0.005 to 1.5x10^5 mg/L (at 0.5 solids factor, depending on cell constant)
  • Temp Coefficient: Software configurable; Off or On 0 to 4%/°C
  • Power Requirements: 115V 50/60Hz (Additional voltages available)
This product was added to our catalog on Tuesday 06 June, 2006.
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