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RN400-H2EX Multi Function Data Logger  is a fully wireless Temperature, Humidity, and Door Open Cloud Data Logger designed for real-time environmental monitoring and remote access. It supports WiFi-ENT, emergency call alarms, and smartphone remote monitoring. Built for durability, the device is waterproof, battery-powered, and features a built-in buzzer, data backup, and UPS support for uninterrupted operation.

Key Features:
  • WiFi-ENT support for seamless cloud data transfe
  • Emergency call alarm for instant alerts
  • Built-in buzzer for audible alerts
  • Micro-SD card for CSV storage
  • Battery-powered operation
  • OLED 20×2 character display for easy reading
  • Power Supply: USB-C Battery Charger / VDC 5-30V
  • CH1: Internal Temperatrue Sensor  -20 ~ 60 °C (accuracy: ±0.3 °C)
  • CH2:Internal RH Sensor   0 ~ 95% RH (accuracy: ±2.0%)
  • CH3: Temperature PT100, TYPE K , TYPE T  (accuracy: ±0.5 °C)
  • CH4: Temperature PT100, TYPE K , TYPE T C (accuracy: ±0.5 °C)
  • CH5: Door Open Detection
  • CH6: Relay Output ( Max Load 1A)
  • Temperature: -20℃ ~ 60℃ (-4 ~ 140℉)
  • Humidity: 0 ~ 95% RH (non-condensing)

Application Note

The RN400-H2EX Multi-Function Data Logger is a fully wireless device designed for precise monitoring of temperature, humidity, and door status across a wide range of environments. With WiFi-ENT support, emergency call alarms, and smartphone remote monitoring, it ensures real-time data access and alerts for critical conditions. The device is built for durability, featuring a waterproof design, battery operation, built-in buzzer, and data backup via F-RAM memory and micro-SD card, with optional UPS support for uninterrupted operation. It is ideal for food storage sites, maintaining optimal conditions in refrigerators and freezers; bio-labs, where environmental control is essential for sensitive samples; building energy usage monitoring, helping optimize HVAC and environmental efficiency; medicine and medical goods storage, ensuring compliance with storage standards; and semiconductor production lines, where precise environmental control is critical for process quality and reliability.