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RHDL50-NIST
User manual
14 pgs1.34 Mb0

Triplett Test Equipment & Tools RHDL50-NIST, RHDL50 User manual

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Page 1
User Manual
RHDL50
Humidity and Temperature Datalogger
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Introduction
Congratulations on your purchase of the Triplett RHDL50 Relative Humidity and Temperature Datalogger with LCD Display. This datalogger measures and stores up to 16,000 relative humidity and 16,000 temperature readings
over 0 to 100%RH and ‐40 to +70°C (‐40 to +158°F) measurement ranges. The user can easily configure 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. Relative Humidity, Temperature and Dew Point 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. Please visit our website 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 WindowsTM Software
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
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REC
ALM
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Description
1. Protective cover
2. USB connector to PC port
3. Start button
4. RH and Temperature sensors
5. LCD Display
6. Alarm LED (red/yellow)
7. Record LED (green)
8. Mounting clip
LCD Display
1. Short press the button change the display. Temperature units
change by the PC software.
Temperature (°F/°C) Humidity (RH%)
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LED Status Indication
To save power, the RHDL50’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.
When both temperature and relative humidity readings
exceed alarm level simultaneously, LED status indication alternates every other cycle.
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Operation
System Software Required:
Windows 7, Windows 8.1 or Windows 10
Minimum Hardware Required:
PC or Notebook with Pentium 90MHz or higher 32 MB RAM; At least 7 MB of hard disk space available to install Datalogger USB software. Recommended display resolution 1024X768 with High Color(16 bit).
INSTALLING THE GRAPHING SOFTWARE and USB driver
Install the supplied Windows PC Datalogger Software by placing the
supplied program disk in the PC’s CD‐ROM drive or by downloading the
program from the web page.
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.
Software Install
Run SETUP.up.exe and follow the defaults to install the RHDL50 software
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USB Driver Install
1. Open the root folder of the RHDL50.
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 RHDL50 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 RHDL50 connected to the USB port for a prolonged period of time
RUNNING THE GRAPHING SOFTWARE
With the RHDL50 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.
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The logger will automatically connect and connection status is shown at the lower left hand corner of the screen.
Click on “Help” and “About” to view the version number,
MENU BAR DESCRIPTION
The main menu for the software appears as follows:
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LOGGER SETUP
The CURRENT TIME field will automatically synchronize with the PC
date and time setting.
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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 RHDL50.
The SAMPLE POINTS field instructs the RHDL50 to take a fixed
number of readings.
The SAMPLE RATE pull‐down menu instructs the RHDL50 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 and humidity limits and to disable the flashing of the RHDL50’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 RHDL50 back to factory default conditions. Press the CANCEL button to abort the setup.
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 RHDL50 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
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recommend that you always install a fresh battery before logging critical data.
If INSTANT was selected in the SETUP window, the RHDL50 begins logging at the instant the SETUP button is pressed. If MANUAL was selected, the
RHDL50 must be manually started by pressing and holding the device’s
yellow button for approx. 3 seconds, or until the two LEDs on the RHDL50 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.
REAL TIME SETUP
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DOWNLOADING DATA
**NOTE: Additional Software Instructions can be found in the HELP Section of the Software for Printing, Saving and Exporting to CSV file.**
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Specifications
Relative Humidity
Overall Range
0 to 100%
Accuracy (0 to 20 and 80 to 100%)
±5.0%
Accuracy (20 to 40 and 60 to 80%)
±3.5%
Accuracy (40 to 60%)
±3.0%
Temperature
Overall Range
‐40 to 158oF (‐40 to
70oC)
Accuracy (‐40 to ‐30 and +60 to
±1.5oC
+70oC)
Accuracy (‐10 to +40oC)
±1oC
Accuracy (‐40 to +14 and 104
to
±3.6oF
158oF)
Accuracy (+14 to 104oF)
±1.8oF
Dew Point Temperature
Overall Range
‐40 to 158oF (‐40 to
70oC)
Accuracy (25oC, 40 to 100%RH)
±4.0oF (±2oC)
Logging rate
Selectable sampling interval: From 2 seconds up to 24 hours
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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)
Battery Replacement
It is highly recommended that the battery be replaced every 12 months, or prior to logging critical data.
The RHDL50 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.
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 RHDL50 plugged into the PC USB port longer than necessary will cause some of the battery capacity to be lost.
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WARNING: Handle lithium batteries carefully, observe warnings on battery casing. Dispose of in accordance with local regulations.
Safety: Please dispose of batteries responsibly; never dispose of batteries in a fire, batteries may explode or leak. If the meter is not to be used for 60 days or more, remove the battery and store separately.
Warranty
Triplett / Jewell Instruments extends the following warranty to the original purchaser of these goods for use. Triplett warrants to the original purchaser for use that the products sold by it will be free from defects in workmanship and material for a period of (1) one year from the date of purchase. This warranty does not apply to any of our products which have been repaired or altered by unauthorized persons in any way or purchased from unauthorized distributors so as, in our sole judgment, to injure their stability or reliability, or which have been subject to misuse, abuse, misapplication, negligence, accident or which have had the serial numbers altered, defaced, or removed. Accessories, including batteries are not covered by this warranty
Copyright © 2021 Triplett
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