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pH Sensors

PyroScience optical pH sensor systems utilize patented state-of-the-art REDFLASH technology that guarantees fast and accurate measurements with no sample consumption, minimal cross-sensitivity to ionic strength and outstanding photostability that enable high sampling rates over long periods.

Pick and choose from a variety of fiber-optic and contactless pH sensor options. Make sure to select an optical device and necessary accessories for complete sensor systems.

Fiber-Optic pH Probes

Compatible with FireSting-PRO devices, for liquid samples, different pH ranges available

Robust Optical pH Probe Options for Liquid Samples

4mm tip diameter, response time (t90 <60 s), optically isolated, 4 exchangeable screw cap sensors, precalibrated

  • PHROBSC-PK5: pH 4.0 – 6.0 measurement range, 10cm long, 2m cable

  • PHROBSC-PK6: pH 5.0 – 7.0 measurement range, 10cm long, 2m cable

  • PHROBSC-PK7: pH 6.0 – 8.0 measurement range, 10cm long, 2m cable

  • PHROBSC-PK8: pH 7.0 – 9.0 measurement range, 10cm long, 2m cable

  • PHROBSC-PK8T: pH 7.0 – 9.0 measurement range (total scale), 10cm long, 2m cable

  • PHROBSC-PK8T-SUB: pH 6.0 – 8.0 measurement range, 10cm long, 2m cable, with -SUB connector

  • PHROBSC-PK8-SUB: pH 7.0 – 9.0 measurement range, 10cm long, 2m cable, with -SUB connector

  • PHROBSC-PK7-SUB: pH 6.0 – 8.0 measurement range, 10cm long, 2m cable, with -SUB connector

pH Minisensors for Liquid Samples

500um tip diameter, fixed needle, tip protruding 5mm, response time (t90 <10 s), not optically isolated

  • PHF500-PK6.5: pH 5.5 – 7.5 measurement range, 10cm long, 2m cable – NEW

  • PHF500-PK8: pH 7.0 – 9.0 measurement range, 10cm long, 2m cable – NEW

Contactless pH Probes

Compatible with FireSting-PRO or PICO devices, for liquid samples, different pH ranges available

Optical pH Sensor Spots

Requires transparent surface, fiber optic cables and adapters for complete setup; precalibrated and autoclavable

  • PHSP5-PK5: measurement range pH 4.0-6.0, response time (t90 <60 sec), requires SPGLUE glue

  • PHSP5-PK5-ADH: measurement range pH 4.0-6.0, response time (t90 <60 sec), self-adhesive

  • PHSP5-PK5-ADH-STER: same as PHSP5-PK5-ADH plus sterilized

  • PHSP5-PK6: measurement range pH 5.0-7.0, response time (t90 <60 sec), requires SPGLUE glue

  • PHSP5-PK6-ADH: measurement range pH 5.0-7.0, response time (t90 <60 sec), self-adhesive

  • PHSP5-PK6-ADH-STER: same as PHSP5-PK6-ADH plus sterilized

  • PHSP5-PK7: measurement range pH 6.0-8.0, response time (t90 <60 sec), requires SPGLUE glue

  • PHSP5-PK7-ADH: measurement range pH 6.0-8.0, response time (t90 <60 sec), self-adhesive

  • PHSP5-PK7-ADH-STER: same as PHSP5-PK7-ADH plus sterilized

  • PHSP5-PK8: measurement range pH 7.0-9.0, response time (t90 <60 sec), requires SPGLUE glue

  • PHSP5-PK8-ADH: measurement range pH 7.0-9.0, response time (t90 <60 sec), self-adhesive

  • PHSP5-PK8-ADH-STER: same as PHSP5-PK8-ADH plus sterilized

  • PHSP5-PK8T: same as PHSP5-PK8, but measurement range on total scale, requires SPGLUE glue

Optical pH Flow-Through Cells

For inline monitoring, 1-500 mL/min recommended flow rate, response time (t90<90 sec), precalibrated and sterilized

  • PHFLOW-PK5: range pH 4.0-6.0, sterilized w/25kGy beta-irradiation, no reference electrode required
  • PHFLOW-PK6: range pH 5.0-8.0, sterilized w/25kGy beta-irradiation, no reference electrode required

  • PHFLOW-PK7: range pH 6.0-8.0, sterilized w/25kGy beta-irradiation, no reference electrode required

  • PHFLOW-PK8: range pH 7.0-9.0, sterilized w/25kGy beta-irradiation, no reference electrode required

  • PHFTCR-PK5: measurement range pH 4.0-6.0, no reference electrode required, DISCONTINUED

  • PHFTCR-PK6: measurement range pH 5.0-8.0, no reference electrode required, DISCONTINUED

  • PHFTCR-PK7: measurement range pH 6.0-8.0, no reference electrode required, DISCONTINUED

  • PHFTCR-PK8: measurement range pH 7.0-9.0, no reference electrode required, DISCONTINUED

  • PHFTCR-PK8T: same as PHFTCR-PK8, but measurement range on total scale, DISCONTINUED

Optical pH Sensor Vial Options

With optical isolation, requires fiber cables and adapters for complete setup, 4 vials per pack

  • PHVIAL20-PK7: with integrated pH sensor (range 6-8), ca. 20ml volume

  • PHVIAL20-PK8: with integrated pH sensor (range 7-9), ca. 20ml volume

  • PHTOVIAL20-PK7: with integrated oxygen, pH (range 6.0-8.0) and temperature sensors, ca. 20ml

  • PHTOVIAL20-PK8: with integrated oxygen, pH (range 7.0-9.0) and temperature sensors, ca. 20ml

  • PHTVIAL20-PK7: with integrated pH (range 6.0-8.0) and temperature sensors, ca. 20ml

  • PHTVIAL20-PK8: with integrated pH (range 7.0-9.0) and temperature sensors, ca. 20ml

Calibration pH Capsules

pH Calibration Capsules

10 capsules per pack, each capsule results in 100mL buffer solution

  • PHCAL2: Buffer capsules for 100ml buffer (pH 2), for calibration of optical pH sensors

  • PHCAL11: Buffer capsules for 100ml buffer (pH 11), for calibration of optical pH sensors

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