Tenmars TM-306U Temperature Datalogger User Manual

Tenmars TM-306U Temperature Datalogger

FEATURES

• Measure ℃/℉ Temperature
• Datalogging- 50,000 records
• Fast USB download Easy- to-Use PC software for parameter settings and data analysis
• Internal Temperature alarm

Specifications

Temperature

±1.8℉(1.0℃) all other ranges

Resolution| 0.1℃

• 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.
• External Power Supply: 5 VDC with 0.5A.
• 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.

Applications

• Building HVAC monitoring.
• Warehouses.
• Refrigerator.
• Clean rooms.
• Freezer.
• Shipping vans.
• Shipping crates.
• Cargo vessels.
• Storage areas.

WHAT’S IN THE BOX

START UP AND GENERAL OPERATION

LCD Display

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.

Switch between ℃ or ℉

• Press ℃/℉ to switch between ℃ or ℉

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.
• Press the Start button again to stop recording.
• When recording stopped, the REC will disappear.

Sampling rate

• (5sec / 10sec / 1min / 5min / 10min / 30min / 1 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.

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.

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

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.

USING PC SOFTWARE

• Start Window PC software.
• Click on All programs, Click on “Temperature Data Logger”
• Click on STLogger to start the datalogger program.

Connection Status

• Connect Temperature Data Logger to the PC with a USB cable.
• 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”

Setup Screen

• Click “Setup” to enter the Setup screen.

• The 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.

Download Records

• Click Download to download the stored data.
• Click “Download” to start the download.
• Download Completed

Graphic & Chart Analysis

Downloaded data will first be displayed in graph format.

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

 Data in Listing Format

To display data in Listing format:

• Click File
• Click Chart Preview

Data Listing Format

Data Export

Select export data type: Text or Excel CSV.

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