This accessory from Chauvin Arnoux is specifically designed for the indoor air quality tester C.A 1510 and serves for precise adjustment of the CO2 measurement value. Calibration is performed using two reference gases to ensure the measurement accuracy of the device over time. The set enables regular and reliable adjustment of the CO2 sensor sensitivity, which is particularly important in environments with high air quality requirements, such as offices, schools, or medical facilities.

Applications
This calibration accessory is designed for use in professional environments where the accuracy of indoor air measurement is critical. It is used to adjust the C.A 1510 measuring device to defined CO2 concentrations specified by the two reference gases. This is necessary to compensate for measurement deviations caused by sensor aging or environmental influences. Calibration is performed on-site without the device needing to be taken out of service.

Functions and Equipment in Detail
The set includes a special device attachment to be mounted on the C.A 1510, as well as a hose for connection to the reference gas cylinders. Calibration is carried out using supplied software installed on a PC. The software enables control of the calibration process and documentation of the performed settings. The operating instructions are available in French and English to ensure correct handling.

Technology Explained Simply
Calibration is based on the principles of gas analysis, where the device is exposed to known CO2 concentrations (reference gases). The sensor reacts to these gases, and the software adjusts the internal calibration to align the measurement values with the actual concentrations. This process ensures that the device continues to deliver precise measurement results even after prolonged use. The use of two reference gases enables two-point calibration, ensuring higher accuracy and reliability of the adjustment.

Compatibility and Accessories
The accessory is compatible exclusively with the C.A 1510 indoor air quality measuring device. It is not a universal calibration system but specifically adapted to the interfaces and requirements of this device. The software is designed for PC systems, with no specific operating system requirements mentioned.

Mounting and Installation
Mounting of the device attachment is done directly onto the C.A 1510 measuring device. The hose is connected to the attachment and leads to the gas cylinders. The operating instructions describe the steps for performing the calibration, including selection of the reference gases and process control via the software.

Operational Advantages
On-site calibration reduces device downtime, as no return to the manufacturer is required. The use of two reference gases enables precise adjustment across different concentration ranges. Documentation of calibration via the software facilitates traceability and compliance with quality standards. Calibration can be performed by authorized technical personnel without requiring special tools or additional equipment.