Tenmars TM-305U User Manual

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Temperature/Humidity Datalogger

Users Manual V.1.0

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TABLE OF CONTENTS

FEATURES & SPECIFICATIONS ..................................................................................... 4

START UP AND GENERAL OPERATION ........................................................................ 7

LCD Display................................................................................................................................................................... 8

Sampling Rate............................................................................................................................................................... 9

Recording and Datalogging .................................................................................................................................... 10

Calibration ................................................................................................................................................................... 11

33% Calibration........................................................................................................................................................ 11

75% Calibration........................................................................................................................................................ 13

25C Calibration......................................................................................................................................................... 15

PC SOFTWARE INSTALLATION.................................................................................... 16

USING PC SOFTWARE WITH METER DATALOGGER ................................................ 18

Connect Meter Datalogger to PC ........................................................................................................................... 19

Setup Screen............................................................................................................................................................... 22

Download Records .................................................................................................................................................... 23

Graphic & Chart Analysis ........................................................................................................................................ 26

Data in Listing Format .............................................................................................................................................. 28

Data Export.................................................................................................................................................................. 30

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Model Number

Temperature/Humidity Datalogger

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FEATURES & SPECIFICATIONS

Features

• Measure humidity and temperature.

• Datalogging- 50,000 records.

• Fast USB download .

• Easy- to-Use PC software for parameter settings and data analysis.

• Internal Humidity Temperature alarm.

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Specifications

General

Operation Condition -40-185℉(-40-85℃)

1-99% RH, non-condensing

Relative Humidity Sensor

Type Capacitor

Measurement Range 1%-99%

Accuracy ±3.0%RH(20~80%)

±5.0%RH(<20%,>80%)

Resolution 0.1%

Temperature Sensor

Type Thermistor

Measurement Range -40-185℉(-40-85℃)

Accuracy ±0.6℃(±1.2℉)from -20-50℃(-4 to 122℉)

±1.0℃(±1.8℉) all other ranges.

Resolution 0.1℃

Power Supply

Battery One 3.6V ½ AA lithium battery

Battery Operation 1 Year

External Power Supply 5 VDC with 0.5A.

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Applications

• Building HVAC monitoring.

• Indoor air quality survey.

• Locate the presence of combustion fumes from vehicles and appliances.

LCD Display

Meter LCD

1. Temperature Display 4. USB Communication

2. Humidity Display 5. Battery Level Indicator

3. Recording

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WHAT’S IN THE BOX

START UP AND GENERAL OPERATION

• Press the Start button for 2 seconds to turn on Meter Datalogger

• The unit is ready to use.

1.Main Unit 2. USB Cable 3. Installation Disk

4. 3.6V ½ AA lithium
battery

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LCD Display

• Press Sel to jump to the next LCD display.

• Main Screens (1-3)

1. 2. 3.

Main Screen

Temperature(C)

Main Screen

Temperature.(F)

% of Memory Left

Total 24,000 records

Main Screens

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Sampling Rate

(5sec / 10sec / 1min / 5min / 10min / 30min / 1 hour/ 2 hour)

Can only be set from PC setup screen.

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Recording and Datalogging

• Press the Start button to start data recording.

• The LCD will display REC when Meter is in the datalogging mode.

• Press the Start button again to stop recording.

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Calibration

33% Calibration

Press Start + SEL to enter 33% humidity calibration mode.

• Press Start to start 33% calibration.

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• During the calibration, the LCD will display an antenna sign.

• Meter Datalogger will start 33% Rh sampling 45 minutes after the Start button is

pressed.

• The COM icon will show up when calibration is completed.

• Press SEL to select the next calibration page.

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75% Calibration

• Press and SEL button then press the Start button at the same time to enter the
calibration mode.

• Press Sel one more time to switch to the 75% Rh calibration page.

• Press Start to start 75% calibration.

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• Meter Datalogger will start 75% Rh sampling 45 minutes after the Start button is

pressed.
During the calibration, the LCD will display an antenna icon.

• The COM icon will show up when calibration is completed.

• Press SEL to select the next calibration page

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25C Calibration

• Press Sel one more time to jump to the 25C calibration page.

• Press Start to start 25C calibration.

• During the calibration, the LCD will display an antenna icon.

• When the calibration is completed, the COM will show up.

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PC SOFTWARE INSTALLATION

Installation Requirements:

Minimum system requirements for the software:

-Pentium III - 500 MHz processor or equivalent with 128 megabytes of RAM.

Optimal Performance:

-Pentium 4 - 2.8 gigahertz processor or equivalent with 256 megabytes or RAM.

Operating System Requirements:

-Windows 2000

-Windows XP

-Window 7

-Window 8

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• Insert the CD into the disk drive.

• Click Setup to start installation.

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• Follow the steps on the Installation Shield Wizard and click Finish to complete the
installation.

USING PC SOFTWARE WITH Meter Datalogger

• Start Window PC software.

• Click on All programs, Click on “

Meter Logger”

• Click on Logger to start the datalogger program.

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Connect Meter Datalogger to PC

No Connection Screen

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• Connect Meter Datalogger to the PC with a USB cable.

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• Press Start for 2 seconds to turn on Meter Datalogger. Meter Datalogger is now

connected to the PC.

Connected Screen

• If the datalogger is properly connected, these three values will show up.

1. Temperature Reading.

2. Humidity Reading.

3. Battery Status.

4. Connection Status- “Connected”.

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Setup Screen

• Click “Setup” to enter the Setup screen.

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• 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

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• Click Download to download the stored data.

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• Click “Download” to start the download.

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• Download Completed

Graphic & Chart Analysis

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• 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.

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Data in Listing Format

To display data in Listing format:

• Click File

• Click Chart Preview

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Data Listing Format

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Data Export

• Select export data type: Text or Excel CSV.

Click Save to save the file in .CSV/Txt format.

File Saved.