TENMARS TM-306U Temperature Data Logger User Manual

Weight: About 77g
External Power Supply:
- The device can be powered externally via an AC to DC 5V power
  supply or a USB connection.
- When using an external power supply, the waterproof function
  will be disabled.
- Output Current: >500mA
- DC Plug: Outside -, Inside +
- DC Plug Diameters: Outer 3.5mm, Inner 1.1mm

Product Usage Instructions

1. Start Up and General Operation

LCD Display:

Temperature Display
Recording

USB Communication
Battery Level Indicator

Unit of Measurement

2. Turn On Temperature Data Logger

Press the Start button for 2 seconds to turn on the Temperature
Data Logger. The unit is now ready to use.

3. Switch Between °C or °F

Press / to switch between displaying temperature in Celsius or
Fahrenheit.

4. Recording Data

To start data recording, press the Start button. The LCD display
will show REC and the LED green light will twinkle when
recording.

To stop recording, press the Start button again. When recording
stops, REC will disappear. If data storage is full, FUL will
display on the LCD.

5. Sampling Rate

Data sampling rate can only be set from the PC setup screen.
Select the desired time interval (e.g., 5 sec, 10 sec) from the
drop-down menu and click Save Settings to save the
configuration.

6. Temperature Calibration

Prepare a 25°C calibrator chamber.
Press and hold / button first, then press and hold Start button
for 2 seconds to enter calibration mode.

Press Start button to start calibration.
The LCD will display an antenna sign during calibration.

The datalogger will start 25°C calibration 20 minutes after
pressing the Start button.
When calibration is completed, COM will show up.

FAQ

Q: How do I download and install the PC software for the
Temperature Datalogger?

A: You can download the software by visiting the website
https://www.tenmars.com/ or scanning the provided QR code. Search
for TM-306U, click on the photo, select Software Download under
File Download, download and unzip the software. For detailed
installation instructions, refer to the software installation guide
on the website.

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Temperature Datalogger
Users Manual
USB Datalogger IP 54 Water Proof
Page 1

TABLE OF CONTENTS
1 FEATURES ………………………………………………………………………………………………….. 3 2 SPECIFICATIONS ………………………………………………………………………………………… 3 3 APPLICATIONS……………………………………………………………………………………………. 5 4 START UP AND GENERAL OPERATION………………………………………………………… 6 5 TURN ON TEMPERATURE DATA LOGGER ……………………………………………………. 7 6 SWITCH BETWEEN OR ……………………………………………………………………… 8 7 RECORDING DATA ………………………………………………………………………………………. 9 8 SAMPLING RATE …………………………………………………………………………………………11 9 TEMPERATURE CALIBRATION …………………………………………………………………… 12 10 SOFTWARE INSTALLATION …………………………………………………………………….. 14 11 USING PC SOFTWARE…………………………………………………………………………….. 15 12 CONNECTION STATUS ……………………………………………………………………………. 16 13 SETUP SCREEN ……………………………………………………………………………………… 18 14 SYNCHRONIZE WITH COMPUTER TIME …………………………………………………… 19 15 DOWNLOAD RECORDS…………………………………………………………………………… 21 16 GRAPHIC & CHART ANALYSIS ………………………………………………………………… 23 17 DATA IN LISTING FORMAT ………………………………………………………………………. 25 18 DATA LISTING FORMAT…………………………………………………………………………… 26 19 DATA EXPORT ………………………………………………………………………………………… 27 20 PRINTING REPORT DATA………………………………………………………………………… 28 21 ERASE DATA ………………………………………………………………………………………….. 30
Page 2

1 FEATURES
Measure / Temperature Datalogging- 50,000 records Fast USB download Easy- to-Use PC software for parameter settings and data analysis Internal Temperature alarm
2 Specifications
Display : 3 digit LCD. LED status: red LED of Alarm, greed LED of Record. Sampling rate: 1 times/3 second. Battery : One 3.6V ½ AA lithium battery Battery Lift :1 year. Operating temperature and humidity : -40 to 85(-40~185),
0-95%,RH,non-condensing. Instrument dimensions :83(L)*60(W)*24(H) mm. Weight : About 77g.
External power supply: The device can be powered externally via an AC to DC 5V power supply or a USB connection. When using an external power supply, the waterproof function will be disabled. Please see the specifications below for the additional AC to DC 5V power supply which is not included in our standard kit: Output Current:>500mA DC plug: outside “-“, inside “+” DC plug diameters: outer 3.5mm, inner 1.1mm
Page 3

Page 4

Temperature
Type Measurement Range
Accuracy

Thermistor -40 to 85(-40~185) ±1.2(0.6) from -4 to 122(-20 to 50)

Resolution

±1.8(1.0) all other ranges 0.1

3 Applications
Building HVAC monitoring. Warehouses. Refrigerator. Clean rooms. Freezer. Shipping vans. Shipping crates. Cargo vessels. Storage areas.
WHAT’S IN THE BOX

1.Main Unit

2. USB Cable

3. 1/2 AA Battery

Page 5

4 START UP AND GENERAL OPERATION LCD Display

1. Temperature Display 2. Recording 3. USB Communication

4. Battery Level Indicator 5. Unit of Measurement

Page 6

5 Turn On Temperature Data Logger
Press the Start button for 2 seconds to turn on the Temperature Data Logger. The unit is ready to use.
Page 7

6 Switch between or
Press / to switch between or

Display current Temperature()

Display current Temperature.( )

Page 8

7 Recording Data
Press the Start button to start data recording.
The LCD display will display REC and the LED green light twinkle when the Temperature Data Logger is recording.
Page 9

Press the Start button again to stop recording. When recording stopped, the REC will disappear.
When the data storage is full, the LCD will display FUL and stop recording. To delete recorded data, please refer to page 30 for instructions on clearing data records.
Page 10

8 Sampling rate
(5sec / 10sec / 30sec /1min / 5min / 10min / 30min / 1 hour/ 2 hour) Data sampling rate can only be set from PC setup screen. Select the time interval from the drop-down menu. Click “Save Settings” to save the setting.
Page 11

9 Temperature Calibration
1. The preparation 25 calibrator chamber. 2. Press and hold “/” button first, then press and hold “Start” button for 2 seconds
to enter the calibration mode.
3. Press “Start” button to start the calibration.
4. During the calibration, the LCD will display the antenna sign.
5. The datalogger will start 25 calibration 20 minutes after the Start button is pressed.
6. When the calibration is completed, the COM will show up. Page 12

Press and hold the Start button for two seconds to turn off and restart the unit Page 13

10 Software Installation
1.Link website https://www.tenmars.com/ or scan below QR code:
2.Search TM-306U. 3.Click on the TM-306U photo. 4.Click File Download, then select Software Download. 5.Download and unzip the software. 6. For the latest software information and installation
procedures, please refer to the software installation guide.
Page 14

11 USING PC SOFTWARE
Start Window PC software. Click on All programs, Click on “Temperature Data Logger” Click on STLogger to start the datalogger program.
Page 15

12 Connection Status
No Connection Screen Connect Temperature Data Logger to the PC with a USB cable.
Page 16

Press Start for 2 seconds to turn on Temperature Data Logger. Temperature Data Logger is now connected to the PC.
If the datalogger is properly connected, these three values will show up. 1. Temperature Reading 2. Battery Status 3. Display “Connected”
Connected Screen Page 17

13 Setup Screen
Click “Setup” to enter the Setup screen.
he values in the white area can be changed by the user. The value in the grey area can not be changed by the user. Click “Save Settings” to save the values to the datalogger.
Page 18

14 Synchronize with Computer Time
When using the data recording function, it is recommended to synchronize with the computer time to ensure the date of the recorded data is accurate.
Tap Setup
.
Check Time synchronization and tap Save Settings to synchronize with the computer time.
Page 19

Tap OK to confirm successful synchronization. Page 20

15 Download Records
Click Download to download the stored data.
Page 21

Click “Download” to start the download. Download Completed
Page 22

16 Graphic & Chart Analysis
Downloaded data will first be displayed in graph format.
Page 23

Each data groups are listed according to the date of the sampling. Lowest group number represents earliest sampling date.
Page 24

17 Data in Listing Format
To display data in Listing format: Click File Click Chart Preview
Page 25

18 Data Listing Format
Page 26

19 Data Export
Select export data type: Text or Excel CSV.
Click Save to save the file in .CSV/Text format. File Saved. Page 27

20 Printing report data
Open the report window.
Tap Printer Setup. Set the print.
Page 28

To print the Graph: Tap Print Graph to print directly. To print the Chart: Tap Print Chart, set the print format, then print.
Page 29

21 Erase Data
Tap Download Records. Tap Erase Data to delete all recorded data.
Page 30

When erasing is finished, tap Close to exit the window. Page 31

Documents / Resources

TENMARS TM-306U Temperature Data Logger [pdf] User Manual
TM-306U Temperature Data Logger, TM-306U, Temperature Data Logger, Data Logger, Logger

References

User Manual