WIFI Temperature and Humidity Transmitter COS-04AMT/RS-WS-WIFI*-C4
WIFI Temperature and Humidity Transmitter COS-04

WIFI Temperature and Humidity Transmitter COS-04 - AMT/RS-WS-WIFI*-C4

WIFI Temperature and Humidity Transmitter COS-04

Product Model: AMT/RS-WS-WIFI*-C4

Product Introduction

Uses high-quality imported temperature and humidity sensors for temperature and humidity data measurement;


The device uses a low-power LCD screen for on-site real-time viewing of temperature and humidity, and is equipped with a built-in buzzer for ultra-high and ultra-low temperature alarms;


Real-time WeChat push notifications for temperature and humidity exceeding limits. When communication is disconnected, the device automatically caches data, and when communication is restored, it automatically uploads the data. Cached data can reach up to 1000 entries.

Device power supply DC5V power supply or built-in battery power supply
Communication interface WIFI type: standard WIFI wireless (2.4GHz)
WIFI5 type: standard WIFI wireless (2.4GHz/5GHz)
WIFI communication parameters Supports 802.11b/g/n wireless standards
WIFI encryption performance Supports WPA/WPA2 security modes
Measurement Range Temperature Built-in probe type -20~+60℃
External probe type -40~+80℃
Humidity 0~95%RH non-condensing
Measurement accuracy Temperature ±0.5℃(25℃)
Humidity ±3%RH(60%RH,25℃)
Working duration A single full charge allows the device to work continuously for 14 days, and it can work continuously for a long time when connected to an external power source
Charging time Fully charged in 6 hours

Main Application Areas

  • HVAC Systems — Monitor temperature and humidity in heating, ventilation, and air conditioning systems to ensure optimal indoor air quality and energy efficiency.
  • Warehouse Monitoring — Track environmental conditions in warehouses to protect sensitive goods such as pharmaceuticals, food, and electronics from temperature and humidity fluctuations.
  • Greenhouse Management — Maintain ideal growing conditions for plants by continuously monitoring temperature and humidity levels in greenhouses and grow rooms.
  • Data Centers — Ensure optimal operating conditions for servers and networking equipment by monitoring temperature and humidity to prevent overheating and static damage.
  • Museums and Archives — Preserve artifacts and documents by monitoring and controlling temperature and humidity levels in museums, archives, and libraries.

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