CL-203-WF IAQ Data Logger, CO/CO2/Temperature/Humidity, Wi-Fi and PoE

The CL-201-WF CR is a data logger module for monitoring carbon monoxide alongside temperature, humidity and dew point. It records each measurement with date and time stamps, so engineers can review trends or export logs for analysis. A relay output can be used for alarm signalling or to control external IAQ equipment.Communication is available over RS-485, Ethernet and Wi-Fi, which makes the module straightforward to add to an existing HMI, SCADA or distributed control system. Supported protocols are DCON and Modbus RTU on RS-485, Modbus TCP on Ethernet and Wi-Fi, and MQTT on Ethernet. The module supports infrastructure and limited AP modes for wireless networks.Records CO, temperature, humidity and dew point with date and time stampsHolds up to 450,000 records for downloadRedundant power inputs: PoE (IEEE 802.3af, Class 1) and +12 ~ +48 VDCCeiling or wall mountingApplicationsTransportation of food or pharmaceuticalsFood and beverage industry (HACCP)Blood stations and pharmaciesBuilding and energy managementWarehouse managementMuseums, archives and galleriesIndoor or underground parking lot air quality monitoring

The CL-202-WF CR is an indoor air quality monitoring data logger that records CO2, temperature, humidity and dew point readings with date and time stamps. Its NDIR CO2 sensor covers 0 to 9999 ppm, and the module stores up to 450,000 downloadable records for later analysis.Engineers can connect the module over RS-485, Ethernet or Wi-Fi and integrate it into existing HMI or SCADA systems using DCON, Modbus RTU or Modbus TCP. On the Ethernet interface, MQTT is also supported. A relay output can be used for alarm signalling or to control IAQ equipment, and the module can be powered from PoE (IEEE 802.3af, Class 1) or a +12 ~ +48 VDC terminal block input.Configuration, real-time monitoring and log export are handled by the iAir Utility, with iOS and Android apps also included. The module can be ceiling or wall mounted.Monitors CO2, temperature, humidity and dew point, with alarm functions for CO2, RH and temperatureNDIR CO2 sensor with 0 to 9999 ppm range and 1 ppm resolutionUp to 450,000 time-stamped records stored on boardRS-485, Ethernet and IEEE 802.11 b/g/n Wi-Fi interfaces, with Infrastructure and Limited AP modesDCON, Modbus RTU, Modbus TCP and MQTT (Ethernet) protocol supportRelay output (1 x Form A) for alarm or IAQ device controlRedundant PoE and DC power inputsApplicationsTransportation of food or pharmaceuticalsFood and beverage industry (HACCP)Blood stations and pharmaciesBuilding and energy managementWarehouse managementMuseums, archives and galleriesHCHO/VOC detectionIndoor or underground parking lot air quality monitoring

CL-204-WF CR is an indoor air quality (IAQ) data logger module that records HCHO, TVOC, temperature, humidity and dew point. Each measurement is stored with date and time stamps in up to 450,000 downloadable records, so it suits monitoring jobs where a historical record is needed alongside live values.The module offers three communication routes: RS-485, Ethernet and IEEE 802.11b/g/n Wi-Fi. It speaks DCON, Modbus RTU and Modbus TCP, and MQTT is available on the Ethernet interface, which makes it straightforward to add to an existing HMI, SCADA or distributed control system. Wi-Fi can run in Infrastructure or Limited AP mode.A relay output (1 x Form A, SPST, 16 A) can drive an alarm or control an IAQ device. Power can come from PoE (IEEE 802.3af, Class 1) or from a +12 ~ +48 VDC terminal block, and the unit is designed for ceiling or wall mounting.ApplicationsTransportation of food or pharmaceuticalsFood and beverage industry (HACCP)Blood stations and pharmaciesBuilding and energy managementWarehouse managementMuseums, archives and galleriesHCHO/VOC detectionIndoor or underground parking lot air quality monitoring

The CL-208-WF CR is an indoor air quality monitoring module that records TVOC, temperature, humidity and dew point, with date and time stamps on every record. Up to 450,000 records can be stored and downloaded, which suits engineers who need a long local log without a permanent host connection.Data can be read over RS-485, Ethernet or IEEE 802.11b/g/n Wi-Fi using DCON, Modbus RTU, Modbus TCP or MQTT (MQTT on the Ethernet interface only), so the module can feed an existing HMI, SCADA or distributed control system. A single relay output (Form A) can drive an alarm or an IAQ device, and the unit can be powered from PoE (IEEE 802.3af, Class 1) or a +12 ~ +48 VDC terminal block.Real-time values can be viewed and logs exported to CSV with the iAir Utility, the iOS or Android app, or a web browser, provided the device and client share the same local network. Ceiling or wall mounting is supported.ApplicationsTransportation of food or pharmaceuticalsFood and beverage industry (HACCP)Blood stations and pharmaciesBuilding and energy managementWarehouse managementMuseums, archives and galleriesIndoor air quality monitoring