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Thermo Scientific™ Orion™ ROSS™ Combination Flat Surface pH Electrodes PROMO

When you purchase a Thermo Scientific™ ROSS™ pH Electrode, you’ll receive a ROSS Buffer Kit at no additional cost. Order using the catalog numbers below and your products will ship together.



Drift <0.002 pH/day
Filling Solution Type 3M KCl
Internal Reference ROSS
Junction Glass Fiber
Material Epoxy Body
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Products 2
Catalog Number Mfr. No. Connector Types For Use With (Equipment) Price Quantity & Availability  
Catalog Number Mfr. No. Connector Types For Use With (Equipment) Price Quantity & Availability  
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Thermo Scientific™
BNC Standard pH Meter, BNC connector
Each for $590.00
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Thermo Scientific™
Screw Cap Standard pH Meter, with separate cable with screw cap connector
Each for $590.00
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The 8135BN ROSS Combination Flat Surface pH Electrode measures pH of soft, moist surfaces — both solid and semi-solid —such as agar gel plates, meats, bread dough and similar samples. With drift less than 0.002 pH per day and minimized restandardization, this electrode works in extreme cases of samples varying from one another by 50°C or more.

  • Material: Epoxy body
  • pH range: 0 to 14
  • Temperature range: 0 to 100°C
  • Internal reference: ROSS
  • Junction: Glass fiber
  • Dimensions: 120 × 12 mm
  • pH precision: 0.01
  • Fill solution: Orion 810007
  • Cap diameter: 16 mm
  • Small samples are available in micro sample dish
  • Flat surface tip

Includes: One 60 mL bottle of ROSS fill Solution, 810007 and spout cap



<0.002 pH/day
Epoxy Body
3M KCl
Glass Fiber
0 to 14
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