Fisher Scientific™ accupHast™ Variable Temperature pH Combination Electrodes: Mercury-Free

Fast, accurate response despite temperature changes

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Catalog No. 13-620-280

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    pH Range 0 to 14
    Temperature (Metric) Operating -5° to +100°C
    Material Glass
    Junction Dual Ceramic
    Filling Solution Type Saturated KCl
    Length (Metric) 165mm
    Diameter (Metric) 10mm
    Connector Types U.S. Standard/pin
    For Use With pH meter
    Internal Reference Ag/AgCl
    Length (English) 6.4 in.
    Temperature (English) Operating 23° to 212°F
    Applications pH
    Diameter (English) 0.4 in.
    Type pH combination electrode
    Response Time 20 sec.
    Model MicroProbe™ glass body


    • Patented design with dual ceramic junctions, sealed Ag/AgCl reference and special electrolyte
    • Eliminates slow response when measuring samples at different temperatures in quick succession
    • Accurate to ±0.01pH at 25°C and ±0.05pH from -5° to +80°C
    • Response time, 20 seconds or less; negligible drift
    Improved flow, less contamination
    • Isolated reference element and outer KCl fill solution
    • Eliminates clogging from silver compound precipitates
    • No silver or mercury to contaminate samples
    • Choice of standard and MicroProbe™ glass or extra-long epoxy bodies


    accupHast Standard Glass Body Electrode

    • Standard size glass body
    • Immersion to 102mm
    • Body and tip diameter, 10mm
    accupHast MicroProbe Glass Body Electrode
    • Semimicro size glass body
    • Immersion to 165mm
    • Body diameter, 10mm; tip diameter, 5mm
    accupHast Extra-Long Epoxy Body Electrode
    • Extra-long epoxy body
    • Immersion to 140mm
    • Body diameter, 10mm
    accupHast Extra-Long Epoxy Body pH/ATC Electrode
    • Extra-long epoxy body
    • Built-in ATC probe
    • Immersion to 143mm
    • Body diameter, 10mm


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