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Thermo Scientific™ Orion™ 8115BN ROSS™ Combination Semi-micro pH Electrode

Get results three to five times more precise than those obtained with conventional electrodes with the Thermo Scientific? Orion? 8115BN ROSS? Combination Semi-micro pH Electrode.

Manufacturer:  Thermo Scientific™ 8115BN

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Catalog No. 13-641-816

This item has been discontinued by the manufacturer and is no longer available. Please call customer service for assistance: 1-800-766-7000.



Get results three to five times more precise than those obtained with conventional electrodes with the Thermo Scientific™ Orion™ 8115BN ROSS™ Combination Semi-micro pH Electrode, which provides stable readings to 0.01 pH in less than 30 seconds.

The 8115BN ROSS Combination Semi-Micro 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: Epoxy body for ruggedness and durability
  • pH range: 0 to 14
  • Temperature range: 0° to 100°C
  • Internal reference: ROSS
  • Junction: Glass fiber
  • Dimensions: 165 x 6mm (6mm section is 95mm long)
  • pH precision: 0.01
  • Fill solution: Orion 810007
  • Cap diameter: 16mm
  • Fits test tubes, measures samples as small as 0.2mL
  • Aqueous solutions only
Includes: Detachable bulb guard

Recommended for:

  • Clinical, pharmaceutical and food labs—wherever sample size is a constraint
Description & Specifications


Combination Semi-micro pH Electrode
0 to 14
0° to 100°C
Glass Fiber
32° to 212°F
Combination Semi-micro pH Electrode, BNC connector
Standard pH Meter, BNC connector
Epoxy body
3M KCl
3.7 in.
Detachable bulb guard
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