General
Peak diameter	6,5 mm

The BRV4H-S7 is a combined pH microelectrode from the manufacturer Chauvin Arnoux, specifically designed for measurement in samples with low volume. It features a glass body and a ceramic junction, ensuring stable and precise measurement. The microtip with a diameter of 6.5 mm enables analysis in small sample spaces, such as those found in laboratory applications, microbiology, or quality control of liquids. The S7 connector ensures compatible connection to corresponding measuring devices and provides a secure, backlash-free connection.

Applications

The electrode is suitable for applications where only small sample quantities are available. This includes, for example, the examination of cell cultures, pharmaceutical solutions, food samples, or chemical reaction mixtures. The compact design with the microtip minimizes disturbance to the sample and allows precise positioning within the measurement volume. Typical use is in laboratory facilities, research institutions, or industrial process analytics.

Functions and Equipment in Detail

The BRV4H-S7 is a single-rod measuring system that integrates pH electrode and reference electrode in one housing. The glass body serves as the pH-sensitive membrane and reacts to the hydrogen ion concentration in the sample. The ceramic junction ensures stable ion exchange between the electrode and the sample, guaranteeing reproducible measurement. The microtip with a 6.5 mm diameter is specifically designed for small sample spaces and reduces the required sample volume.

Technology Explained Simply

The electrode operates based on the principle of potentiometric measurement. The pH-sensitive glass membrane forms an electrochemical interface that generates a voltage proportional to the hydrogen ion concentration in the sample. The reference electrode, integrated in the ceramic junction, provides a constant reference point, allowing the measured voltage to be directly assigned to the pH value. The S7 connector enables a mechanically secure and electrically reliable connection to the measuring device, preventing measurement errors caused by loose contacts.

Compatibility and Accessories

The BRV4H-S7 is designed for measuring devices that use an S7 connector as the standard interface. This typically includes pH meters and laboratory analysis devices from the same or compatible manufacturers. Use with other connectors or interface types is not intended. There are no specific accessories mentioned in connection with this electrode.

Mounting and Installation

The electrode is directly immersed into the sample to be measured. The microtip should be fully positioned in the liquid, without touching the container walls, to avoid measurement errors. Connection to the measuring device is made via the S7 connector, which is inserted into the corresponding socket on the device. No additional mounting or installation components are required.

Advantages in Operation

The combination of microtip and single-rod technology enables fast and precise measurement in small samples. The glass body and ceramic junction technology ensure high stability and reproducibility of measurement values. The use of an S7 connector guarantees universal compatibility with corresponding measuring devices. The electrode is designed for use in laboratories and controlled environments where high measurement accuracy is required.