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Thermo Scientific™ Orion™ 8102BN ROSS™ Combination pH Electrode Available on GSA/VA Contract for Federal Government customers only.

Get stable readings to 0.01 pH in less than 30 seconds with the Thermo Scientific™ Orion™ 8102BN ROSS™ Combination pH Electrode.

Manufacturer:  Thermo Scientific™ 8102SC

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Catalog No. 13-641-2

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Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.



Get stable readings to 0.01 pH in less than 30 seconds with the Thermo Scientific™ Orion™ 8102BN ROSS™ Combination pH Electrode. This electrode provides results three to five times more precise than those obtained with conventional electrodes.

  • Works in extreme case of samples varying from one another by 50°C or more
  • Drift is less than 0.002 pH per day, restandardization is minimized
  • The general purpose, top performance combination electrode
  • Double junction
  • Tris compatiable
  • Waterproof BNC connector


  • One bottle 810007 fill solution


  • pH buffers for calibration
  • Beakers, plastic or glass
  • Magnetic stirrer or Orion stirrer probe
  • Distilled or deionized water

Recommended for:

  • Q.C. and research applications
Description & Specifications


Screw cap connector
0 to 14
0° to 100°C
Waterproof BNC
4.72 in.
32° to 212°F
Combination pH Electrode, screw cap connector
Standard pH Meter, with separate cable with screw cap connector
Glass body
3M KCl
0.47 in.
39.37 in.
One 60mL bottle of Orion ROSS filling solution and spout cap
Short-term Storage (up to one week): Soak the electrode in ROSS' pH electrode storage solution, Cat. No. 810001, or standard pH electrode storage solution, Cat. No. 910001. For enhanced electrode performance, use ROSS' pH electrode storage solution. Long-term Storage (more than one week): Fill the reference chamber and securely cover the fill hole. Cover the sensing bulb and reference junction with the protective cap, sleeve or storage bottle containing a few drops of storage solution. Before returning the electrode to use, prepare it as a new electrode.


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