L91seriestemperatureRecorder is widely used in agriculture, scientific research and production, chemical and pharmaceutical industries, HVAC systems, papermaking, environmental protection, archives, laboratories, museums, electricity, tobacco and other fields.

*Design of sensor compartment; Measurement is more accurate;
*Comes with a built-in key; Randomly turn on and off the machine;
*The instrument is small and exquisite;
*Comes with a built-in USB communication interface, making data downloads convenient;
*High strength shell, user-friendly design, easy installation;
*Green software, no installation required, suitable for any system;