• 【Start】:Press and hold the button more than 3s. Then the “OK” light will brighten for 3s, which indicates a successful starting, then you can put the data logger where you want to monitor and record.
  • 【Stop Work】:When the memory is full or press and hold the button for more than 3s, the “ALARM” light will brighten for 3s, which indicates a successful stopping.
  • 【Warning】:When logging, the “OK” LED will flash in green every 10s, if there are no alarm events happened. Or the “ALARM” LED will flash in red every 10s, if there happened alarm events.
  • 【Got the PDF Report】:Tear or cut off the plastic bag and insert the logger into an available USB port on a PC. “OK” light and “ALARM” light will flash in turn when a PDF report is generating. When the PDF report has been generated, the “OK” light will brighten until pulling out from the USB port. (Note: If the logger is stopped during the status of start delay, there will be a PDF report but no data.)
  • 【Package Included】:10 Packs USB Temperature Data Logger cover 30days for cold chain.