Model 633 Aethalometer® Black Carbon Monitor User Manual | Teledyne Advanced Pollution Instrumentation |
ETHERNET CONNECTOR
The Ethernet connector allows the connection of the Model 633 measurement system to Ethernet based communication networks.
COM1, COM2, COM3 CONNECTORS
The COM connectors allow the connection of the system to RS232 based devices, like external sensors or dataloggers.
USB CONNECTOR (rear panel)
The USB connector allows the connection of the system to USB based devices, like external sensors or data processing units.
AIR INLET and OUTLET CONNECTORS
The air inlet and outlet connector allows the connection of the instrument to external airflow system. The measured air enters the instrument through the inlet connector and leaves the instrument through the outlet connector.
BALL VALVE
The ball valve is an electrically actuated valve which is connected directly to the inlet connector and connects or separates the instrument from the external air system.
CRC
The CRC (also called muffler) is a filter used to decrease the noise in the airflow which is created by mechanical rotation of the pump.
AIR PUMP
The air pump pumps the measured air through the inlet connector, directly to the measurement chamber. It is one of the main components in the system.
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