Extech Instruments TH10 Manual de usuario

User's Guide

Temperature Datalogger

Model TH10

99 Washington Street

Melrose, MA 02176

Phone 781-665-1400

Toll Free 1-800-517-8431

Visit us at www.TestEquipmentDepot.com

Back to the Extech TH10 Product Info Page

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

FAX 781.665.0780 - TestEquipmentDepot.com

TH10 V1.0 9/07

Introduction

Congratulations on your purchase of the Relative Humidity and Temperature Datalogger. This datalogger

measures and stores up to 32,000 temperature. 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 thesupplied

PC software. Temperature data can then be graphed, printed and exported to other applications. The data

logger is supplied 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

TH10 V1.0 9/07

Operation

INSTALLING THE GRAPHING SOFTWARE

Install the supplied Windows PC Datalogger Software by placing the supplied program 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 firsttime that the TH10 has been connected to

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 ‘recommended’ 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 described 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

TH10 V1.0 9/07

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 (2nd from left) or select LOGGER SET from the LINK pull-down

menu. The Setup window will appear as shown below; descriptions for each field in the Setup window are listed

directly below the illustration:

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.

TH10 V1.0 9/07

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 (1st 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).

TH10 V1.0 9/07

In the screen below press VIEW to see the data graphically. If there are no readings currently stored in the TH10,

the program will let the user know via a warning screen.

TH10 V1.0 9/07

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 features:

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.

TH10 V1.0 9/07

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 (4th from right) or select SAVE AS from the FILE pull-down menu. The data can be saved in the

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

(3rd from left), or select FILE OPEN from the FILE pull-down menu. When prompted, select a .rec file saved

earlier.

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.

TH10 V1.0 9/07

TH10 LED STATUS GUIDE

LEDs Meaning Action

Record Alarm No LEDs flashing

-No logging in process

-No battery found

-Battery completely discharged

Fit battery in place

Replace the battery and

download the data

Record Alarm Green single flash every 10 sec. *

-Logging, no alarm**

Green double flash every 10 sec. *

-Delayed start

To start, Hold the start button

until Green and Yellow LED

flash

Record Alarm

Red single flash every 10 sec. *

-Logging, low alarm for RH

Red double flash every 10 sec.

-Logging, high alarm for RH

Red single flash every 60 sec.

- Low Battery †

Logging, if enabled, will stop

automatically. No data will be

lost. Replace battery

Record Alarm Yellow single flash every 10 sec. *

-Logging, low alarm for TEMP

Yellow double flash every 10 sec.

-Logging, high alarm for TEMP

Yellow single flash every 60 sec.

- TH10 memory full

Download data

* To save power, the TH10’s LED flashing cycle can be changed to 20s or 30s via the supplied 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 to

download logged data.

TH10 V1.0 9/07

Specifications

Overall Range -40 to 158oF (-40 to 70oC)

Accuracy (-40 to -10 and +40 to +70oC) ±2oC

Accuracy (-10 to +40oC) ±1oC

Accuracy (-40 to +14 and 104 to 158oF) ±3.6oF

Temperature

Accuracy (+14 to 104oF) ±1.8oF

Logging rate Selectable sampling interval: From 2 seconds up to 24 hours

Operating temperature -31 to 176oF (-35 to 80oC)

Battery type 3.6V Lithium (1/2 AA) (SAFT LS14250, Tadiran TL-5101 or equivalent)

Battery life 1 year (typ.) depending on logging rate, ambient temperature, & use of Alarm LEDs

Dimensions/Weight 4x1x.9” (101x25x23mm) / 6oz (172g)

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