Environment Monitoring Sensors Manufacturer

COS04 usb temperature humidity data logger

The COS04 USB temperature humidity data logger is a low-cost, compact, battery-powered temperature and humidity data logger, capable of unattended logging (recording) of the ambient temperature and relative humidity (RH) of an environment for days, weeks, or months. Provide best solutions for temperature humidity supervisors and records during transportation. Low cost. Long using life. Customizable.

  • Model: COS04
  • MOQ: 1 PCS
  • Delivery date: within 24 hours
  • Price: $19~$56.6

About - Temperature Humidity Data Logger

This COS04 temperature humidity data logger records up to 80000 temperature and relative humidity readings. (260000 readings for optional). You can calibrate through two buttons, modify the upper limit and alarm value. Once data collection is complete, connect again via USB to download to PC for analysis. A full charge can be used continuously for three months. Monitor and record temperature and humidity for logistics. Renke is an OEM manufacturer. 

temperature data logger


Supply power: DC5V or built-in battery
Record capacity: 80,000 or 260,000
Measuring range:
Temperature range(built-in): -20~+60℃
Temperature range(external): -40~+80℃
Humidity: 0 ~ 100% RH
Temperature: ±0.5℃,±0.2℃,±0.1℃(25℃)
Humidity: ±3%RH,±2%,±1.5%(5~95%RH,25℃)
Record interval: 5 s ~18h can be set
Measurement interval: 2~255s can be set
Battery life: Charge it 1,200 times

1. Built-in storage function, can record 80,000 readings of temperature and humidity data, the high configuration version can record 260,000 readings of temperature and humidity data, if more storage capacity is needed, it can also be customized.

2. Connect to a computer through a USB cable and use our company’s supporting software to export the data stored in the device to the computer in EXCEL, TXT, PDF, and other formats to facilitate subsequent report production and data analysis.

3. This USB temperature data logger comes with an LCD screen, which can display real-time temperature and humidity values.

4. This USB temperature data logger uses a large-capacity rechargeable lithium battery, which can be used continuously for 4 months on a single charge.

5. Built-in buzzer, with an over-limit alarm function, can automatically change the recording frequency when alarming, to ensure that the recorded data truly reflects environmental changes.


USB temperature humidity data logger features

temperature datalogger


Environmental studies
HVAC/R system installation
Greenhouses and industrial spaces
Food and Beverage

Temperature Data Logger Video

COS04 is a small and economical cold chain transportation USB temperature and humidity data logger. Its accuracy is higher than that of ordinary temperature and humidity sensors. It has a built-in rechargeable battery and is suitable for medium and short-distance transportation monitoring.

Our COS04 USB temperature sensor has two options, a built-in probe, and an external probe, and there are also a variety of different precision types for users with different needs to choose from.

usb temp and humidity data loggers

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