DL-301

The DL-301 Data Logger device is used for recording time-stamped Temperature, Humidity, CO, and Dew Point information. It can be used to record up 450,000 records. The DL-301 data logger can be used on iOS mobile devices with its iOS app. It allows for real-time access of data using free Windows software, iOS and Android APPs. It supports DCON, Modbus RTU, M2M IoT - Internet of Things, and MQTT protocols and communicates over RS-485 and Ethernet, and can be Powered-over-Ethernet (PoE).

• Measurement Range
  • CO: 0 ~ 1000 ppm
• Can store up to 450,000 records with date and time stamps
• Touch screen and Easy Web-based Configuration Interfaces
• Free Software Utility, iOS APP Included for Use on Mobile Phones
• Able to Display Multilingual Messages
• Supports DCON, Modbus RTU and MQTT Protocols
• Supports RS-485/Ethernet/PoE Communication Interfaces
• Relay Output for Alarm Device or IAQ Device Control
• Desktop, DIN-Rail or Wall Mounting
• Large 2.8" LCD Touch Screen, with clear Color Chart to indicate the CO/CO2 Level



• Supports MQTT Protocol for IoT Applications



• Powerful, Free DL300 Utility Software



• Multi-platform Remote Access

iOS APP for Use on iOS Devices

iAir is designed for DL-301 data logger, and is now available on the App Store. iAir can retrieve data from DL-301 at any time and any place, and display real time data and messages on screen remotely to send daily schedules or instructions for IAQ device control to the on-site operator.

• Retrieve real-time data from DL-300 devices
• Self-defined DL-300 device groups for easy viewing
• Set multi-language message to display on screen. The message character is based on UTF-8 encoding.
• Call DL-300 device function can recognize a specific device from the others.
• Search device function can obtain all the DL-300 devices in the LAN.