RC-4/RC-4HC Temperature Humidity Data Logger Digital USB Data Logger Built-in NTC Sensor High Precision Data Logger

Material Plastic. Emperature Range-30 to 60 internal sensor-40 to 85 optional extemal sensor). Humidity Range 10%-99%. Battery CR2450 button cell. no included. RC-4HC. RC-4. Product Description. Product Name. RC-4HC Digital Data Logger Recorder USB Thermometer Temperature Humidity Data Logger with Built-in NTC Sensor. Material. Plastic. Package. Retail box. Install Software: 1. Please visit www. elitechlog. com/softwares. Select and download the software. 2. Double click to open the zip file. Follow the prompts to install it. 3. When the installation is completed, the ElitechLog software will be ready to use. Please disable the firewall or close the antivirus software if necessary. Start/Stop Logger: 1. Connect the logger to a computer to sync the logger time or configure parameters as needed. 2. Press and hold Button to start the logger until shows. The logger starts logging. 3. Press and release Button to shift between display interfaces. 4. Press and hold Button to stop the logger u