Overview
The Thermo Scientific 8156BNUWP Ross Ultra pH electrode is a top-performance combination pH electrode designed for precise determinations in laboratory and industrial settings. Built with an epoxy body and featuring a refillable design, this general-purpose electrode delivers stable, accurate pH measurements across a wide temperature range. The waterproof BNC connector ensures reliable connectivity with standard pH meters and measurement instruments.
Key Features
- Refillable design with 60ml bottle of Orion ROSS fill solution included
- pH range 0–14 with 0.01 pH resolution for precise measurement capability
- Operating temperature range 0°C to 100°C (32°F to 212°F)
- Epoxy body construction for durability in demanding applications
- Glass fiber junction for consistent performance
- Waterproof BNC connector with 1-meter cable
- Two-year replacement warranty
Technical Specifications
- pH Range: 0–14 pH
- pH Resolution: 0.01 pH
- Temperature Range: 0°C to 100°C (32°F to 212°F)
- Body Material: Epoxy
- Junction Type: Glass Fiber
- Connector Type: BNC (Waterproof)
- Cable Length: 1 meter
- Fill Solution: 60ml Orion ROSS electrode fill solution (Catalog No. 810007)
- Warranty: Two-year replacement warranty
- Refillable: Yes
Typical Applications
The 8156BNUWP is a versatile, general-purpose pH electrode suitable for:
- Laboratory pH analysis and quality control
- Industrial process monitoring and optimization
- Wastewater and environmental testing
- Pharmaceutical and chemical manufacturing
- Food and beverage processing
- Educational and research institutions
Compatibility & Replacements
Compatible With
- Orion Star Series pH meters
- Any standard BNC connector-equipped pH meter from competitive manufacturers
- Laboratory pH measurement instruments with BNC input
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator or meter manufacturer before ordering to ensure proper fit and function with your specific pH meter model.
Works With
- Standard BNC connectors on pH meters and data acquisition systems
- Orion Star T900 Series All-in-One Titrator
- Portable and benchtop pH measurement instruments
- Laboratory data logging systems with BNC input capability






















