Single-use Temp Data Logger

Single use Temperature Data Logger PDF-D50

Temperature data logger is a product developed by Apresys specifically for the cold chain industry. It is widely used in food, medicine, logistics, blood, chemical, electronics and other industries. After the data recording is completed, the device is plugged into the computer‘s USB interface to read, save, print data.
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Product Overview

Apresys Single Use Temperature Data Logger is specifically designed for the development of

cold chain industry, widely used in food, medicine, logistics, blood, chemicals, electronics and

other industries. Press the white button 5s to active. After the data recording is completed, connect 

the data logger with the computer USB port, without the need to install any software or drivers, 

temperature data logger will generate a report in PDF format automatically.

Technical Parameters:

 Temperature range: -30  ~ + 70  (-22  ~ 158 )

 Accuracy: ± 0.5  / 1 

 Resolution: 0.1  /

 Model: PDF-50  (interval time: 10 minutes)   Recording 50 days

 Temperature units:  /

 Delay Start Time: 30 minutes

 Storage time: 1 year

 Key functions: Start / Working status

 Indicator: LED light 

 Report Type: PDF/CSV format

 Interface: USB 2.0

 Power Supply: 3.0V CR2032 lithium battery

 Operating System: WIN XP / 7 /8 /10 and MAC

 Protection: IP54

 Dimensions: 86mm long x 28mm wide x 12mm high

 Weight: 35 g 

 Default UTC Time Zone  


Operating General Instruction

1. The device can be started by holding down the white button about 5s, Red indicator will flash 3 times slowly then 10 times fast that means data logger has been started. 

2During recording, red indicator will flash 1 time every 5 sec.

3Connect with computer to STOP, data logger will stop working automatically after generating report.

4. Red indicator will stay on bright about 5 seconds when click button that means the data logger has been used and cannot be started again.

5The data logger will generate a PDF data report.

Note: Don`t disconnect PC when generating data report. Once you can`t find data report on PC, you could press the button 8 sec to reset the logger, the data report will appear again.

LED light indications:


LED indicator


Before start, quick click the start button

Red indicator will flash 1 time

Not started

START, press start button for 5s

Red indicator flashes 3 times slowly and keeps flashing 10 times fast



Red indicator flash  every 5 sec 

On working

STOP, click start button

Red indicator will stay on bright about 5 sec

Stop recording


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