User's Guide
Temperature Datalogger
Model TH10
Introduction
Congratulations on your purchase of the Temperature Datalogger. This datalogger measures and stores up to
32,000 temperature readings. The user can easily set up the logging rate, high/low alarm and start-mode, and
download the stored data by plugging the module into a PC's USB port and running the supplied PC software.
Temperature data can then be grap hed, printed and exported to other applications. The data logger is suppli ed
with a long-life lithium battery, which can typically allow logging for one year. This meter is shipped fully tested
and calibrated and, with proper use, will provide years of reliable service
Features
Memory for 32,000 readings
Selectable data sampling rate: 2s, 5s, 10s, 30s, 1m, 5m, 10m, 30m, 1hr, 2hr, 3hr, 6hr, 12hr, 24hr
Status Indication via Red/Yellow LED and Green LED
USB Interface for Set-up and Data Download
User-Programmable Alarm Thresholds for Temperature
Analysis software used to view graph
Long battery life
Description
1. Protective cover
2. USB connector to PC port
3. Start button
4. Temperature sensor
5. Alarm LED (red/yellow)
6. Record LED (green)
7. Mounting clip
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Operation
INSTALLING THE GRAPHING SOFTWARE
Install the supplied Windows PC Datalogger Software by placing the supplied p rog ram disk in the PC’s CD-ROM
drive. If the installation program does not automatically open and provide on-screen prompts, open and browse
the CD-ROM drive, then find and double-click on the SETUP.EXE file included on the program disk. Follow the
on-screen prompts to complete the installation.
Before running the graphing software, please connect the TH10 to the PC and install the USB Driver software as
described in the next section.
INSTALLING THE USB DRIVER
Plug the TH10 into an available USB port on the PC. If this is the first
the particular port on the PC, the following screen will appear:
Make sure the program disk is still in the PC CD-ROM drive. Select the ‘recomme nded’ installation and follow the
on-screen prompts to complete the driver installation. If this is a repeat connection of the TH10 to the USB port,
the driver installation process will be automatically skipped.
RUNNING THE GRAPHING SOFTWARE
With the TH10 inserted into the PC’s USB port, double-click the Temperature Datalogger icon to launch the
program. The main software screen will appear with the MENU BAR icons descri bed as below.
Note: When the TH10 is connected to the USB port, the battery inside the device is discharged at a
higher rate than normal. To conserve battery life, do not leave the TH10 connected to the
USB port for a prolonged period of time
time that the TH10 has been connected to
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MENU BAR DESCRIPTION
The main menu for the software appears as follows:
From left to right the MENU BAR icons represent DATA DOWNLOAD, LOGGER SETUP, FILE OPEN, FILE
SAVE-AS, FILE PRINT, VIEW ALL, and ZOOM. In addition, the FILE, VIEW, LINK, and HELP pull-down menus
are available here. All of these functions are described in the following paragraphs.
LOGGER SETUP
Click on the computer icon on the menu bar (2
menu. The Setup window will appear as shown belo w; descriptions for each field i n the Setup window are listed
directly below the illustration:
nd
from left) or select LOGGER SET from the LINK pull-down
The CURRENT TIME field will automatically synchronize with the PC date and time setting.
The MANUAL and INSTANT select buttons allow the user to start data logging immediately when the Setup
window is exited (INSTANT), or at a later time (MANUAL).
The LOGGER NAME field allows the user to select a unique name for the TH10.
The SAMPLE POINTS field instructs the TH10 to take a fixed number of readings.
The SAMPLE RATE pull-down menu instructs the TH10 to log readings at a specific rate.
The LED Flash Cycle can be set by the user: longer cycle times help to extend the battery life.
The ALARM SETTINGS area of the SETUP window allows the user to set high and low temperature limits
and disable the flashing of the TH10’s LEDs, thereby conserving battery energy.
Once the changes have been made, click on the SETUP button to save them. Press the DEFAULT button to set
the TH10 back to factory default conditions. Press the CANCEL button to abort the setup.
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Note: Any stored data will be permanently erased when the user clicks on Setup. To save the data
before creating a new setup, click Cancel and then download the data.
Note: The battery may run out before the TH10 has finished collecting a specified number of sample
points. Always ensure that the remaining charge in the battery is sufficient to last the complete
duration of your logging exercise. When in doubt, we recommend that you always install a fresh
battery before logging critical data.
If INSTANT was selected in the SETUP window, the TH10 begins logging at the instant the SETUP button is
pressed. If MANUAL was selected, the TH10 must be manually started by pressing and holding the device’s
yellow button for approx. 3 seconds, or until the two LEDs on the TH10 flash at the same time.
Logging will continue at the programmed sample rate until the number of readings (sample points) specified in the
Setup window is reached.
The green LED flashes once per sample point and the red or yellow LED flashes when user programmed alarm
limits are exceeded. For details, see LED status guide.
DATA DOWNLOAD
To transfer the readings stored in the TH10 to the PC:
A. Connect the TH10 to the same USB port used when the TH10 was initialized.
B. Open the graphing software program if it is not still running.
C. Click the Download icon (1
st
on the left) or select Data Download from the LINK pull-down menu
D. The Window shown below will appear. Press DOWNLOAD to begin transferring readings
If the readings are successfully transferred, the VIEW screen and the SAVE screen (both shown below) will
appear. In the SAVE screen, name the file and save it to a convenient location. The data is saved as an .rec file
for use in this program only. At a later time, the user can select SAVE-AS and save the data as an Excel, Text, or
Bitmap file (explained in next section).
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In the screen below press VIEW to see the data graphically. If there are no readings currently stored in the TH1 0,
the program will let the user know via a warning screen.
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When VIEW is pressed, the Data Graph window appears
The Data Graph window presents the transferred data in an x-y graph format with Date/Time represented on the
horizontal axis and Alarm Limits represented on the vertical axis:
To zoom in and out of data regions, there are several approaches:
1) Use the mouse to click and drag a box around any data area to magnify the selected area.
2) Click on the zoom magnifier icon tool on the menu bar
3) Select VIEW ALL or ZOOM OUT from the VIEW pull-down menu.
In the example graph above, the Temperature is represented by the solid red line (the lines are known as ‘traces’). The low
and high alarm values for temperature are represented by the dashed red trace.
To customize the graph window select SHOW TRACES, BACKGROUND, GRID LINES, and MASK POINTS from the
VIEW pull-down menu. These options provide the following featur es:
SHOW TRACES: Allows the user to select which data to view as a trace (Temperature & Alarms).
BACKGROUND: Select background color scheme.
GRID LINES: Add or remove grid lines from x and y axes.
MASK POINTS: Places dots on the traces for the actual data points, breaking up the continuous nature of a trace.
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FILE OPEN, FILE SAVE-AS
To save the transferred data in a format other than the proprietary .rec format, click the SAVE AS icon from the
menu bar (4
following formats:
TEXT FILE (.txt)
EXCEL FILE (.xls)
BITMAP FILE (.bmp)
To open an existing data file for viewing on the data graph window, click on the FILE OPEN icon on the menu bar
rd
(3
from left), or select FILE OPEN from the FILE pull-down menu. When prompted, select a .rec file saved
earlier.
th
from right) or select SAVE AS from the FILE pull-down menu. The data can be saved in the
FILE PRINT
To print a data graph window to a line or network printer, click on the printer icon or select PRINT from the FILE
pull-down menu. Note that color graph windows can be accurately printed on color printers.
Note : The TH10 retains data in its internal memory until the user begins a new logging session. Starting
a new logging session clears all of the TH10’s stored readings; be sure to save previous data
before starting a new logging session.
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TH10 LED STATUS GUIDE
LEDs Meaning Action
Record Alarm
No LEDs flashing
-No logging in process
Or
-No battery found
Or
-Battery completely discharged
Record Alarm
Green single flash every 10 sec. *
-Logging, no alarm**
Green double flash every 10 sec. *
-Delayed start
Record Alarm
Red single flash every 10 sec. *
-Logging, low alarm for RH
Red double flash every 10 sec.
Record Alarm
-Logging, high alarm for RH
Red single flash every 60 sec.
- Low Battery
†
Yello w single flash every 10 sec. *
-Logging, low alarm for TEMP
Yello w double flash every 10 sec.
-Logging, high alarm for TEMP
Yello w single flash every 60 sec.
- TH10 memory full
* To save power, the TH10’s LED flashing cycle can be changed to 20s or 30s via the supplie d software.
** To save power, alarm LEDs for temperature can be disabled via the supplied software.
†
When the battery is low, all operations will be disabled automatically. NOTE: Logging automatically stops when
the battery weakens (logged data will be retained). The supplied software is required to restart logging and t o
download logged data.
.
Fit battery in place
Replace the battery and
download the data
T o st art, Hol d the st art button
until Green and Yellow LED
flash
Logging, if enabled, will stop
automatically. No data will be
lost. Replace battery
Download data
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Specifications
Temperature
Overall Range -40 to 70
Accuracy (-40 to -10 and +40 to +70oC) ±2oC
Accuracy (-10 to +40oC) ±1oC
Accuracy (-40 to +14 and 104 to 158oF) ±3.6oF
Accuracy (+14 to 104oF) ±1.8oF
o
C (-40 to 158oF)
Logging rate
Operating temperature
Battery type
Battery life
Dimensions/Weight
Selectable sampling interval: From 2 seconds up to 24 hours
-35 to 80
o
C (-31 to 176oF)
3.6V Lithium (1/2 AA) (SAFT LS14250, Tadiran TL-5101 or equivalent)
1 year (typ.) depending on logging rate, ambient temperature, & use of Alarm LEDs
101x25x23mm (4x1x.9”) / 172g (6oz)
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Battery Replacement
It is highly recommended that the battery be replaced every 12 months, or prior to logging critical data.
The TH10 does not lose its stored readings when the battery weakens or when the battery is replaced; the dat a
logging process will however be stopped and cannot be re-started until the battery has been replaced and the
logged data has been downloaded to PC.
Use only 3.6V lithium batteries. Before replacing the battery, remove the datalogger from the PC. Follow
diagrammatic steps 1 through 4 below.
NOTE: Leaving the RHT10 plugged into the PC USB port longer than necessary will cau se som e of the battery
capacity to be lost.
1
4
2
You, as the end user, are legally bound (Battery ordinance) to return all used batteries and
accumulators; disposal in the household garbage is prohibited!
You can hand over your used batteries / accumulators at collection points in your community or
wherever batteries / accumulators are sold!
3
Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the end of its
lifecycle
Copyright © 2007 Extech Instruments Corporation
All rights reserved including the right of reproduction in whole or in part in any form.
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