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DL-303 CR ICP DAS Data Logger



DL-303 CR

Remote CO/CO2/Temperature/Humidity/Dew Point Data Logger with Safety Alarm (RS-485, Ethernet, PoE)



€ 504,83

(VAT excluded)

€ 615,89(VAT included)

Prezzo di 1 pz. iva (22%) inclusa: € 615,89

Availability: 15 business days

SKU: 106431

Model: DL-303 CR

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  • Simultaneous Display for CO, CO2, Temperature, Humidity and Dew Point
  • Measurement Range
    •  CO: 0 ~ 1000 ppm
    •  CO2: 0 ~ 9999 ppm
  • Non-dispersive Infrared (NDIR) CO2 Sensor
  • 2.8" LCD Touch Screen
  • Able to store up to 450,000 records with date and time stamps
  • Touch-screen and Web-based Configuration Interfaces
  • Free Software Utility, iOS App and Android App Included
  • Able to Display Multilingual Messages
  • Supports the DCON, Modbus RTU, Modbus TCP and MQTT Protocols
  • Includes RS-485/Ethernet/PoE Communication Interfaces
  • Relay Output for Alarm Device or IAQ Device Control
  • Desktop, DIN-Rail or Wall Mounting


The DL-300 series of Data Logger devices can be used to record CO, CO2, Temperature, Humidity and Dew Point information, including date and time stamps, and are able to store up to 450,000 downloadable records.
Real-time data can be accessed from the DL-300 Data Logger from anywhere and at any time using the free Windows software, the iOS App or the Android App.
Support is provided for popular industrial protocols such as DCON, Modbus RTU, and Modbus TCP, as well as the emerging machine-to-machine (M2M)/)IoT (Internet of Things) connectivity protocol – MQTT. The DL-300 Data Logger can be connected via widely used communication interfaces including RS-485, Ethernet and PoE, meaning that the device can be easily integrated into existing HMI or SCADA systems, and is easy to be maintained in a distributed control system.


● Transportation of Food or Pharmaceuticals
● Food and Beverage Industry (HACCP)
● Blood Stations and Pharmacies
● Building and Energy Management
● Warehouse Management
● Museums, Archives and Galleries


CO Measurement
Range: 0 to 1000 ppm (Electrochemical) 
Resolution: 1 ppm 
Accuracy: ±5% of measured value
Response Time: 30 seconds
Warm-up Time: 300 seconds
CO2 Measurement

Range: 0 to 9999 ppm (NDIR)
Resolution: 1 ppm
Accuracy: ±30 ppm ±3% of measured value
Response Time: 20 seconds
Warm-up Time: 60 seconds

Temperature Measurement
Range: -10 to +50°C
Resolution: 0.1°C
Accuracy: ±0.6°C
Relative Humidity Measurement
Range: 0 to 100% RH
Resolution: 0.1% RH
Accuracy: ±5% RH
Dew Point
Range: Calculated using temperature and relative humidity
Resolution: 0.1°C
CO Alarm: Yes 
CO2 Alarm: Yes 
Real Time Clock: Yes
Data Logger: Yes, up to 450,000 records
Relay Output: Form A×1, SPST
  30 VDC @ 16 A or 250 VAC @ 16 A
Interface: RS-485/Ethernet/PoE
Main Machine Interface
LCD: 2.8 TFT (Resolution 240 x 320 x 16), Defective Pixels <= 3
Backlight Life: 20,000 hours
Brightness: 160 cd/m2
Touch Panel: Yes
Powered from Terminal Block: +12 to +48 VDC
Powered from PoE: IEEE 802.3af, Class 1 (48 V)
Power Consumption  PoE: 2.83 W (Max.)
                   Non-PoE: 2.24 W (Max.)
Dimensions (L x W x H): 114 mm x 106 mm x 56 mm
Installation: Desktop, DIN-Rail or Wall Mounting
Operating Temperature: 0 to +50°C
Storage Temperature: -30 to +75°C
Humidity: 10 to 90% RH, Non-condensing