201DJ-C Double junction combined pH electrode, BNC

The Apera Instruments 201DJ-C is a double-junction combination pH electrode designed for long-duration testing in turbid water samples such as wastewater, swimming pools, spas, and environmental monitoring applications.

Its double-diaphragm structure prevents contamination and clogging, offering stable and reliable pH measurements even in complex sample matrices.

Key Features:

• Double-junction design resists clogging and contamination
• Ideal for wastewater, swimming pools, spas, and field monitoring
• Compatible with all pH meters using BNC connectors
• No built-in temperature sensor — separate probe required for ATC
• Not suitable for low-ion, strongly alkaline, highly corrosive, or high-temp (>60°C) samples
• 6-month manufacturer’s warranty

Set Contents:

• 201DJ-C pH Electrode
• Protective storage cap
• User instructions