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USER GUIDE Humidity / Temperature Datalogger Model RHT10 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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Please visit our website (www.extech.com) to check for the latest version of this User Guide, Product Updates, and Customer Support. Features Memory for 32,000 readings (16,000 temperature and 16,000 humidity readings) Dew point indication via supplied Windows Software Grains per pound indication via optional Windows Software (order RHT10‐SW) 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 Relative Humidity and Temperature Long battery life RHT10 HW_SW-en-US_V5.6.2 6/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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Description Protective cover USB connector to PC port Start button RH and Temperature sensors Alarm LED (red/yellow) Record LED (green) Mounting clip RHT10 HW_SW-en-US_V5.6.2 6/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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. Software Install Run SETUP.up.exe and follow the defaults to install he RTH10 software USB Driver Install 1. Open the root folder of the RHT10. 2. Open the folder Driver\DriverUSBXPRESS and double‐click on USBXpressInstaller.exe. 3. Follow the default choices to load this USBXpress driver. Note: When the RHT10 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 RHT10 connected to the USB port for a prolonged period of time RHT10 HW_SW-en-US_V5.6.2 6/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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RUNNING THE GRAPHING SOFTWARE With the RHT10 inserted in the PC’s USB port, double‐click the Datalogger Graph icon on your desktop to launch the program. The opening screen will appear as shown below. Click on “Connect” to open the main screen, Click on “About” to view the version number, Click on “View File” to open an existing file, Click on “Quit” to close the program. RHT10 HW_SW-en-US_V5.6.2 6/16 GlobalTestSupply www. .com Find Quality Products Online at:...
All of these functions are described in the following paragraphs. LOGGER SETUP Click on the computer icon on the menu bar (2 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 RHT10. The SAMPLE POINTS field instructs the RHT10 to take a fixed number of readings. The SAMPLE RATE pull‐down menu instructs the RHT10 to log readings at a specific rate. RHT10 HW_SW-en-US_V5.6.2 6/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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If INSTANT was selected in the SETUP window, the RHT10 begins logging at the instant the SETUP button is pressed. If MANUAL was selected, the RHT10 must be manually started by pressing and holding the device’s yellow button for approx. 3 seconds, or until the two LEDs on the RHT10 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. RHT10 HW_SW-en-US_V5.6.2 6/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
.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). In the screen below press VIEW to see the data graphically. If there are no readings currently stored in the RHT10, the program will let the user know via a warning screen. RHT10 HW_SW-en-US_V5.6.2 6/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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‘traces’); the RH and Dew Point are represented by the solid yellow and green lines, respectively. The low and high alarm values for temperature are represented by the dashed red traces; the corresponding alarms for humidity are represented by the dashed yellow traces. RHT10 HW_SW-en-US_V5.6.2 6/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
Places dots on the traces for the actual data points, breaking up the continuous nature of the trace. 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 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 (3 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 RHT10 retains data in its internal memory until the user begins a new logging session. Starting a new logging session clears all of the RHT10’s stored readings; be sure to save previous data before starting a new logging session. RHT10 HW_SW-en-US_V5.6.2 6/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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GPP values are obtained only by purchasing and loading the optional RHT10‐SW software. The optional software can be purchased through an Extech distributor using the part number RHT10‐SW. Note that the standard RHT10 software must be un‐installed before the optional RHT10‐SW software can be installed. To view GPP data, click on the VIEW menu heading and scroll down to the SHOW TRACES tab. Ensure that the GPP line is checked. If checked, the graph will display GPP data. If unchecked, the graph will not show GPP data. RHT10 HW_SW-en-US_V5.6.2 6/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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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. ‡ When both temperature and relative humidity readings exceed alarm level simultaneously, LED status indication alternates every other cycle. RHT10 HW_SW-en-US_V5.6.2 6/16 GlobalTestSupply www. .com Find Quality Products Online at:...
F) ±1.8 F Dew Point Temperature Overall Range ‐40 to 158 F (‐40 to 70 C) Accuracy (25 C, 40 to 100%RH) ±4.0 F (±2 C) Grains per pound 1120 gpp (160g/kg) max.; Available only with optional RHT10‐SW software Logging rate Selectable sampling interval: From 2 seconds up to 24 hours Operating temperature ‐31 to 176 F (‐35 to 80 C) 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) RHT10 HW_SW-en-US_V5.6.2 6/16 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
It is highly recommended that the battery be replaced every 12 months, or prior to logging critical data. The RHT10 does not lose its stored readings when the battery weakens or when the battery is replaced; the data 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. ...
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