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AlpHa Measurement Solutions |
pH in Drinking Water

pH in Drinking Water

Clean drinking water is essential to human health. Monitoring and controlling pH at multiple stages along the drinking water production process ensures the final product is safe for consumption. Measurement of pH is critical in the drinking water process for the following reasons:

  • Alerting operators to incoming source water problems
  • Allowing efficient use of flocculation chemicals and other treatment regiments 
  • Ensuring that the expected pH of the output water meets consumer expectations
  • Ensuring corrosion control throughout the entire distribution system / infrastructure

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  • pH Range: 0 to 14 pH
  • Response Time: 10s
  • Low Ionic Strength Response Time: < 30s
  • Drift: ±0.05 pH (in 24 hours)
  • Accuracy: ±0.02 pH
  • Temperature Range: -5 to 135°C
  • Tuff-Tip Option
  • Custom Mechanical Assemblies Available
  • Low Ionic Strength Optional Glass and Reference
  • Warranty: 12 Months
  • Form Factor
    • Process Body
    • 12 mm
    • Cartridge
    • Custom Options Available
  • Housing Material Options
    • PVC / CPVC
    • Ryton® (PPS)
    • ABS
    • Epoxy
    • Polycarbonate
    • Kynar® (PVDF)
    • Polyethylene
    • PEEK
    • Teflon™ (PTFE)
    • Ultem® (PEI)
    • Glass
    • Metal
      • Stainless Steel
      • Other Metals Available
  • Thermistor Options
    • PT100 (type A & B)
    • PT1000
    • 10 kohm
    • 30 kohm
    • 100 kohm
    • Any commercially available thermistors and custom options
    • Common temperature accuracy is ±0.3°C and can vary based on thermistor option chosen
  • Reference System
    • Ag / AgCl
    • Differential
    • Custom Options Available
  • Reference Junction Options
    • Single Junction
    • Double Junction
    • Custom Options Available
  • Reference Junction Material / Design
    • Ceramic Pin / Annular / Disc
    • Fiber / Pellon
    • Porous Plastic (PTFE / HDPE / PP)
    • Sleeve Junction / Free Flow (liquid / liquid or ground glass joint)
    • Solid State
    • Open Aperture 
    • Custom Options Available
  • Solution Ground
    • Integrated in Thermowell
    • Integrated in Body Housing
    • Stand-alone
    • Custom Options Available
  • Reference Electrolyte
    • Sealed
      • Soft Gel
      • Solid Gel
    • Refillable
      • Liquid
      • Soft Gel
    • Custom Options Available
  • Glass Sensor Shape
    • Bulb
    • Dome
    • Flat
    • Semi Micro
  • Integrated Insertions
    • 3/4" NPT
    • 1/2" NPT
    • 1" NPT
    • PG 13.5
    • Custom Options Available
  • Analog
    • Millivolts
    • 420 mA
    • 05 V
    • 010 V
    • Custom Options Available
    • Custom options available with preamp capabilities
  • Digital
    • RS-485 MODBUS RTU
    • Custom Options Available
  • Connectors
    • Integrated Connectors (detachable or cableless)
        • S7
        • S8
        • Integrated BNC
        • Variopin
        • Custom Options Available
    • Connectors with Cables (including temperature)
        • Tinned Leads
        • BNC
        • DIN
        • MOLEX
        • Mil-spec
        • 2.5 mm / 3.5 mm phono
        • RCA
        • Spade Lugs
        • LEMO
        • Circular Connectors
        • Any commercially available connectors and custom options available