Data Logger Comet T5545 – WebSensor, Remote CO2 Concentration with Ethernet Interface, Duct Mount

• History values memory
• Temperature adjustment procedure
• Highly resistant to the pollution
• ModbusTCP protocol
• SNTP protocol – time synchronization
• Dual-wavelength NDIR CO2 sensing procedure compensates automatically for aging effects

The CO2 – carbon dioxide level is recently regarded as an important parameter that substantially determines the quality of the interior climate. Especially in buildings where many people gather, such as meeting rooms, hospitals, schools, cinemas, theatres, and care centres. With the help of CO2 sensor engineers, technical advisors, environmental experts, and health specialists can optimize the ventilation for the creation of a healthy interior climate.

Method of CO2 sensor multipoint calibration leads to excellent accuracy measurements of CO2 in the entire operating temperature range. With this sensor is the device able to meet the demanding requirements for outdoor use. The measurement principle is based on the NDIR principle with dual-wavelength, which automatically compensates for the aging of the sensor. The sensor is resistant against the pollution and provides maintenance-free operation and excellent long-term stability.

Applications

• Building management, climate technology – The CO2 – carbon dioxide level is recently regarded as an important parameter that substantially determines the quality of the interior climate. Especially in buildings where many people gather, such as meeting rooms, hospitals, schools, cinemas, theatres, and care centres. With the help of CO2 sensor engineers, technical advisors, environmental experts, and health specialists can optimize the ventilation for the creation of a healthy interior climate.
• Warehouses – CO2 monitoring of storage, history data to Comet Database or 3rd party SCADA system.
• Factories and manufacturing – CO2 monitoring for the food processing industry, pharmaceutical industry, etc.

Software

• Comet Database – Complex solution for data acquisition and analysis. Easy to use and high flexible Database software for Comet Transmitters and Regulators.
• T-Sensor software – Free configuration utility for Comet Transmitters and Regulators.
• Sensor Reader software – Basic data acquisition utility for Comet Transmitters and Regulators. Software is free for download.
• CO2 concentration – Method of CO2 sensor multipoint calibration leads to excellent accuracy measurements of CO2 in the entire operating temperature range. With this sensor is the device able to meet the demanding requirements for outdoor use. The measurement principle is based on the NDIR principle with dual-wavelength, which automatically compensates for the aging of the sensor. The sensor is resistant to pollution and provides maintenance-free operation and excellent long-term stability.
• Dual-line LCD – Large dual-line LCD for display of CO2 concentration. Display can be switched off.
• Ethernet interface – 10Base-T/100Base-TX Ethernet interface via standard RJ45 connector. The IP address can be obtained automatically from the DHCP server or set manually. Internet protocol version 4 is supported only.
• WWW server – Actual measured values are accessible via a powerful embedded web server. Web pages are ready for access from mobile devices like smartphones and tablets. Device configuration via web pages is possible too. The device allows you to use customize the design of web pages.
• History values memory – Measured values are stored into history memory according to selected time intervals. The capacity of the memory is 1000 records for each channel. Values inside history memory are not backup Memory is cleared after device restart.
• History graphs – Graphs with history values are accessible via web pages. Modern HTML5 canvas graphic component allows using graphs from thousands of devices. It is not a problem to show graphs on tablets or smartphones. All modern web browsers are supported – Firefox, Opera, Chrome, or Internet Explorer 9.
• Email – Warning emails are sent when measured values exceed selected limits. Emails are also sent when values return back into a safe range. SMTP authentication is supported, but SSL is not. Domain name for SMTP server address is supported. Emails with CSV file attachments can be sent at selected intervals.
• Actual values via XML – XML protocol for actual measured values reading. This protocol is suitable for device integration into 3rd party SCADA systems.
• History export to CSV – History values can be exported for next processing by the CSV file. CSV files can be processed inside spreadsheet applications like Microsoft Excel or OpenOffice Calc. Two formats of CSV files are supported – dot and comma decimal point separators. Timestamps inside the CSV file are shown when the device time is synchronized by the SNTP server. CSV files can be downloaded from web pages or periodically send as an email attachment.
• ModbusTCP protocol – Modbus protocol for communication with SCADA systems or third-party software. Device use Modbus TCP protocol version. Two Modbus clients can be connected to the device at one moment.
• SNMP protocol – SNMP version 1 protocol for IT infrastructure. Using SNMP protocol you can read actual measured values, alarm status, and alarm parameters. Via SNMP protocol is also possible to get the last 1000 measured values from the history table. MIB tables with OID descriptions are available.
• SNMP Trap – SNMP Trap for IT infrastructure. The device allows sending Traps to a selected Trap receiver server. Traps are sent in case of alarm on a channel or at error states like unable to send an email, unable to deliver SOAP message, etc.
• SOAP protocol – The device allows sending currently measured values via SOAP v1.1 protocol. The device sends values in XML format to the webserver. The advantage of this protocol is that communication is initialized by the device side. Due to it is not necessary to use port forwarding.
• Syslog protocol – Syslog protocol for IT infrastructure monitoring systems. The device allows sending text messages to a selected Syslog server. Messages are sent in case of alarm on the channel or at error states like unable to send an email, unable to deliver SOAP message, etc.
• SNTP protocol – time synchronization – Time synchronization with SNTP server. The actual time is shown on web pages and is necessary for timestamps inside CSV files. Synchronization interval can be set to one day or to one hour.
• MIN/MAX memory – Memory for minimum and maximum values. Memory is independent of values in history memory. Minimum and maximum values can be cleared according to user requirements.