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 S
t art + 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.