LabSen®211 Professional Glass Combination pH Electrode for regular water...

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The LabSen® 211 pH electrode from Apera Instruments is manufactured using proprietary Swiss sensor technology and materials. It is ideal for regularly performed and precise measurements of aqueous solutions in scientific research or quality control. This electrode is compatible with TRIS buffer solutions.

LabSen S-Type Hemispherical Glass Diaphragm - Thanks to the low-resistance and rugged glass diaphragm, the electrode delivers fully stabilized readings in 15 to 30 seconds, yet is up to 10 times more rugged than conventional products, significantly reducing the likelihood of the electrode breaking during impacts.

Long-life reference system - The LabSen 211 pH electrode uses a long-life reference system consisting of a glass tube, AgCl and a reference silver wire. The top of the thin glass tube is filled with cotton, which prevents a reaction between AgCl and electrolyte when the temperature changes. It improves the stability of the reference electrode and extends the life of the electrode.

• pH measurement technology and material from Switzerland
• Unique blue hemispherical membrane
• No air bubbles thanks to gel electrolyte
• Durable reference system
• TRIS compatible

The electrode uses a BNC connector that is compatible with all pH meters that use BNC connectors, such as Apera Instruments PH850, PC850, PH8500, PC8500, PH700, PH910, PC910, PH950, PC950,PH800, PH800, PC800, PH820 and PC820. A temperature sensor is not integrated. For automatic temperature compensation, a separate temperature sensor (e.g. Apera Instruments MP500) is required, or the temperature must be entered manually.

Technical Specifications:

Measuring range	(0 ~ 14) pH	Electrolyte	3M KCl
Recommended operating temperature	(-5 ~ 100)°C	Storage solution	3M KCl
Shank material	Lead free glass	Membrane resistance	<150 MΩ
Glass membrane type	S	Electrode dimension	(Ø12×120) mm
Reference system	Long Life	Connection	BNC
Diaphragm	Ceramics	Cable	Ø3mm×1m

This electrode has a 6-month manufacturer's warranty.