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Thermo Scientific™ Orion™ 8104BN ROSS™ Combination Rugged Bulb pH Electrode Available on GSA/VA Contract for Federal Government customers only.

Results three to five times more precise than those obtained with conventional electrodes.

Manufacturer:  Thermo Scientific™ 8104BN

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Catalog No. 13-641-805

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Results three to five times more precise than those obtained with conventional electrodes. The Thermo Scientific™ Orion™ 8104BN ROSS™ Combination Rugged Bulb pH Electrode provides stable readings to 0.01 pH in less than 30 seconds.

The 8104BN Ross Combination Rugged  Bulb pH Electrode works in extreme cases of samples varying from one another by 50°C or more with drift less than 0.002 pH per day and minimized restandardization.
  • Material: glass body
  • pH range: 0 to 14
  • Temperature range: 0° to 100°C
  • Internal reference: ROSS
  • Junction: ceramic
  • Dimensions: 120 x 12mm
  • pH precision: 0.01
  • Fill solution: 810007
  • Cap diameter: 16mm
Description & Specifications


With rugged bulb
0 to 14
0° to 100°C
32° to 212°F
Standard pH Meter, BNC connector
Glass body
3M KCl
Combination Rugged Bulb pH Electrode, BNC connector
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