---
lang: "en"
title: "Data Logger / CO2 / Temp. / Humidity, MODBUS, MQTT"
sku: "CL-202-E CR"
canonical_url: "https://shop.marcomweb.it/en/temperature/data-logger-co2-temp-humidity-modbus-mqtt"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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CL-202-E-CR Data Logger / CO2 / Temp. / Hum. / Dew Point with MODBUS and MQTT communication

Programmable device server with one rs-232 and one rs-485 ports (rohs) includes one ca-0910 cable - ICP DAS - See more at: [http://industrialtech.it/product.asp?ID_prod=3377#sthash.tDaWB09.dpuf](http://industrialtech.it/product.asp?ID_prod=3377#sthash.tDaWB09.dpuf)Programmable device server with one rs-232 and one rs-485 ports (rohs) includes one ca-0910 cable - ICP DAS - See more at: [http://industrialtech.it/product.asp?ID_prod=3377#sthash.tDaWB09.dpuf](http://industrialtech.it/product.asp?ID_prod=3377#sthash.tDaWB09.dpuf)Programmable device server with one rs-232 and one rs-485 ports (rohs) includes one ca-0910 cable - ICP DAS - See more at: [http://industrialtech.it/product.asp?ID_prod=3377#sthash.tDaWB09.dpuf](http://industrialtech.it/product.asp?ID_prod=3377#sthash.tDaWB09.dpuf)

Data Logger / CO2 / Temp. / Hum. / Dew Point

Capable of recording CO2, temperature, humidity and dew point measurements

Non-dispersive infrared (NDIR) CO2 sensor

Up to 450,000 records with date and time

Supports DCON, Modbus RTU / TCP and MQTT protocols

Includes RS-485 / Ethernet communication interfaces

Relay output for alarm or IAQ device control

---

Source: https://shop.marcomweb.it/en/temperature/data-logger-co2-temp-humidity-modbus-mqtt

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.
