Co2meter CM-0132 Manuale d'uso - Pagina 8

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Sampling Data Logger User Manual

These meters feature a 4‐20mA linearly scaled output that matches the current CO2 concentration

reading proportionally. In addition, it has a digital RS‐485 interface for connection to a MODBUS

network and one relay with 1A @ 30VDC for an external controller.

Setup

Our sampling device will require minimal setup since it is designed to be portable. The most important

aspect of the setup involves connecting the sampling hoses and ensuring proper environmental setup.

Figure above shows the labeled components of the unit, as referenced throughout the rest of this

manual.

Data Logging Configuration

These meters feature an internal memory capable storing data when not attached to a personal

computer. These units will allow you to simultaneously read and store CO2 concentration level data.

Due to the nature of their design, these units should be connected to your personal computer first,

before operation, to initialize and set the logging period, and real‐time clock.

0‐1%, 5%, 30%, 65%, 100% CO2 Sampling Data Loggers

Make sure the unit is powered with 24VDC using the RS‐485 cable included. In order to initialize data

logging functionality, the unit MUST be connected to the computer with data logging switched to off,

and the GasLab® software started. Once the unit has been connected, click on the "Configure Sensor"

button in the GasLab® interface, set the data logging interval and pump periods as desired.

Figure 4: Collecting data in real time

CO2Meter

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