pH-ORP Meter with Excel-Formatted Data Logging SD Card


pH-ORP Meter with Excel-Formatted Data Logging SD Card

The #DPH230SD data logger can accurately measure, display and log pH and ORP (Oxidation-Reduction Potential) using optional electrodes and probes with a BNC connector. Choose one or more accessories with the right features and specifications for your application.


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  • Optional accessories include the #ORP14 ORP Probe, the #PHS3K7 pH electrode-ATC temperature probe set, the #PHS2 and #PHS4HD pH electrodes, and the #TP07 temperature probe with ATC (automatic temperature compensation)
  • Automatically calibrates a pH electrode with ATC to pH 4, pH 7 and pH 10
  • Manual temperature compensation is available for pH electrodes without ATC
  • Min/Max memory + data hold
  • Large backlit dual-readout LCD
  • Auto power off (can be disabled for data logging)
  • Specifications


    • Measurement ranges: 0 to 14 for pH; -1999 mV to +1999 mV for ORP
    • Measurement accuracies: ±(0.02 pH units + 2 digits) for pH; ±(0.5% of reading + 2 digits) for ORP
    • Temperature compensation ranges: 32° to 140°F (0° to 60°C) for pH electrodes with ATC; 32° to 212°F (0° to 100°C) for pH electrodes without ATC
    • Data logging sampling time: Adjustable from 1 second to 1 hour
    • LCD size: 2.05 x 1.5 in. (52 x 38mm)
    • Auto power off: After 10 minutes of inactivity
    • Operating temperature: 32° to 122°F (0° to 50°C) @<85% RH
    • Weight: 1.08 lb. (489g)
    • Power source: Six "AA" batteries (not included) or optional #AC1 9V AC adaptor


    • 2GB SD memory card
    • Custom hard plastic carrying case
    • 1-year limited warranty


    • 6.97 x 2.68 x 1.77 in. (177 x 68 x 45mm)
    Prop 65

    ⚠ WARNING: This product can expose you to chemicals including di2-ethylhexylphthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to