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Thermo Scientific 8107 Orion ROSS Ultra Low Maintenance pH/ATC Triode Combination Electrodes

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Increase the accuracy of your readings with the Thermo Scientific™ Orion™ ROSS Ultra™ Low Maintenance pH/ATC Triode™ Combination Electrodes.

Sorry, this product is unavailable or Cellar-Tek is not the distributor in your country. (We cater to Canada & North America.) Please feel free to inquire about local distribution contact information.
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Product Description

Measure pH and Temperature with One Low-Maintenance Electrode

Low ionic strength samples, such as clean waters, present a challenge to pH electrode performance. Sluggish response, poor accuracy and drift are common. The Thermo Scientific Orion ROSS Ultra 8107 Triode pH electrode responds within one minute, proving a stable, accurate reading.

Complete your pH measurements faster. Get long, maintenance-free electrode lifetime with special long-life gel and innovative capillary glass junction design. Maintain sample integrity, even in TRIS buffers; ROSS double junction design electrodes contain no silver, which can bind with biological samples. With built-in temperature sensors, these electrodes offer a convenient solution for your routine sample measurements.

Compatible with Thermo Scientific™ Orion™ Versa Star™, Thermo Scientific™ Orion Star™ A, and Thermo Scientific™ Orion™ Dual Star™ meters, as well as Mettler Toledo™ pH meters.

Target Markets:

  • Pharmaceutical/Biopharmaceutical
  • Food Manufacturing
  • Academic/Government
  • Environmental


  • Quality Control
  • Research
  • General Purpose


DescriptionOrion ROSS Ultra Low Maintenance pH/ATC Triode Combination Electrodes with a BNC and 8-pin MiniDIN Connector and 1 meter cable
Connector TypesBNC Waterproof, 8-pin MiniDIN
JunctionGlass Capillary
MaterialRugged Epoxy Body, Filled with Low Maintenance Gel
pH Range0 to 14
Temperature (Metric) Operating0°C to 80°C
TypepH/ATC Combination Electrode
Filling Solution TypeNone required
For Use With (Equipment)Orion Versa Star, Star A and Dual Star Meters
Internal ReferenceROSS
Isopotential Point7
pH Relative Accuracy0.03 pH for buffers using automatic temperature compensation
Sample CompatibilityTRIS, sulfides, or proteins
Warranty18 Months
Length (Metric)120 mm
Length (Metric) Cable1 m
Diameter (Metric)12 mm
Unit SizeEach

Additional Information

Weight0.5 lbs
Dimensions0.2 × 0.2 × 0.5 in

We’re a supplier to the commercial winery, brewery, cidery & distillery industries across Canada & North America. Please fill in the form below to contact our in-house winemakers and sales consultants. We’ll get back to you within 1-2 working days.

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