Fresh Keeper 1 Multi-use USB Temperature and Humidity Data Loggers Recorders with Display and PDF Report

400 days maximum standby time

Up to 9 markers

Automatic generation of PDF report 

Reusable for many times

Customizable alarm settings

Compatible with Windows and Mac OS alike

lcd temperature and humidity data logger



Fresh Keeper 1 Multi-use Temperature and Humidity Data Logger Recorders USB PDF with LCD screen has long standby of 400 days , supports up to 9 marks, and inserts the Temperature Humidity Meter into a PC could generate PDF file automatically. This USB Temperature Sensor is suitable for temperature recording when shipping in medicine, food, fruits, vegetables, etc. This Multi-use Reusable USB Sensor Temperature Data Logger with a large temperature humidity display can be delivered onshore to determine the quality of cargo transportation.


Extra long battery life

Up to 400 days of battery life, offers the possibility of long-term continuous recording. Automatically generating encrypted PDF reports, no software required to obtain data.

Alarming points setting 

Freely set according to needs, offer precise and intuitive statistics for each configured alarm range. 

Repeat start

Repeat start enables a quick start function on-site without re-configuration.

CE, RoHS, EN12830

Complies to EN12830 standard, it can be used for transportation, storage, and distribution of food.


Mark function to write stamps for events that need special attention during transportation, up to 9 marks available.



Fresh Keeper 1



Run Days

Max. 400 days

Temperature Range


Temperature Accuracy

±0.5℃(0~60℃)  ±1℃(Others)

Humidity Range


Humidity Accuracy

±3%RH(20~80%RH) ±4% (other humidity range)


Temperature 0.1℃  Humidity 0.1%RH

Memory Capacity

PDF 35000 readings, PDF & CSV 20000 readings

Shelf Life

18 months

Logging Interval

1 minute-24 hours

Start Mode

Manual or Automatic




Max.9 marks


Max. 6 alarm points

Report Format


Protection Grade



CE, RoHS, EN12830


Multi-use Temperature Humidity Data Loggers Recorders USB PDF with Display(图1)

Fresh Keeper 1 Multi-use Temperature and Humidity Data Logger Recorders USB PDF with Display is important to cold chain transportation for perishable products, especially food products. A non-breaking cold chain could guarantee food products that maintain high quality and optimum shelf life.

For the meat and fish products, also called frozen food, this Thermometer Hygrometer is very important to keep the growth of microbes as low as possible by maintaining temperature threshold values.

For fruits and vegetables, the most important thing is to prevent them from ripening too early. Fruits, vegetables, and flowers are highly perishable commodities that require proper environmental monitoring in post-harvest processing to maximize freshness, quality, and shelf life from the field to the table.

The environmental condition of temperature-sensitive products must be carefully monitored and documented during handling and storage, to ensure food safety, quality, and longer shelf life, especially for highly perishable products such as produce, dairy, seafood, meat, poultry, and floral product.

Multi-use Reusable Sensor Temperature USB Data Logger PDF with Display is a necessary evidence for the product owner and the cold chain carrier if the cold chain performance objection is required.

Freshliance provides all kinds of temperature data logging or temperature and humidity data logging solutions to make sure every change in the whole cold chain solution will be traced and recorded irreversible, PDF Logging, CSV temperature history, and online IoT logging in any format are available.

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