HT50 - Manual - General Tools And Instruments
Contents
1. n l Fig 4 A typical initial plot of an imported data log There are several features shown in Fig 4 worth noting e To mark the position of every recorded data point on the curve check the Mark Points box at the top of the sidebar at right To get a higher resolution view of the data recorded during a specific period of time scale up and down the curves by dragging the slider at the bottom of the window left and right e Hovering the cursor over a particular point of the curve displays all data related to this point including the maximum minimum and average values of the entire curve in a shaded box at upper left e The dates and times shown on the x axis scale and in the upper left corner are in sync with your computer s 6 clock To print the txt file of any data log click the Print virtual button To open a previously saved data log click the Open button This function is also available as the View previously saved data option shown in Fig 2 To export a file to Excel for advanced trending and analysis click the Export to Excel button USING THE IR THERMOMETER The HT50 has an integral IR thermometer that can be used to spot check the temperature of any surface from a distance This function would for example enable an HVAC R system installer to quickly check the temperature of air exiting a duct without having to use an anemometer thermometer To activate2. The HT50 s targeting laser is a Class Il type that emits less than 1mW of power between 630nm and 660nm Avoid direct eye contact with laser light radiation U S law prohibits pointing a laser beam at aircraft doing so is punishable by a fine of up to 10 000 and imprisonment Do not use the HT50 in the presence of flammable or explosive gases WHAT S IN THE BLISTER PACK The HT50 comes in a blister pack that also contains e One 1 2 AA battery A disc with software drivers for Windows or Windows XP computers a program for capturing data logs and displaying them as curves and a PDF of this user s manual A USB extension cable A hard copy of this user s manual inside the fold over card PRODUCT OVERVIEW Fig 1a below shows the main components controls and connectors of the HT50 Fig 1b on the facing page shows all possible indications on the HT50 s display Familiarize yourself with their names and functions before moving on to the Setup Instructions D Fig 1a The components controls and connector of the HT50 A IR sensor window B Laser pointer window C Battery compartment opens from rear of unit D 3 1 2 digit LCD displays real time temperature and humidity readings also indicates device working status and memory full E USB plug F Protective cap G SET and STO buttons used to turn LCD on and switch between temperature and humidity readings and units also used to start stop lo
3. not subject it to violent shock or vibration or expose it to strong electromagnetic fields for example near arc welders or induction heaters e Keep the unit out of direct sunlight Do not use chemicals or abrasive cloth to clean the display window or housing e Before storing the HT50 for an extended period of time several months or more remove the battery to avoid having it leak and damage the unit WARRANTY INFORMATION General Tools amp Instruments General s HT50 USB RH Temperature Data Logger with LCD Display and IR Thermometer is warranted to the original purchaser to be free from defects in material and workmanship for a period of one year Subject to certain restrictions General will repair or replace this instrument if after examination the company determines it to be defective in material or workmanship This warranty does not apply to damages that General determines to be from an attempted repair by non authorized personnel or misuse alterations normal wear and tear or accidental damage including dropping the unit The defective unit must be returned to General Tools amp Instruments or to a General authorized service center freight prepaid and insured Acceptance of the exclusive repair and replacement remedies described herein is a condition of the contract for purchase of this product In no event shall General be liable for any incidental special consequential or punitive damages or for any cost
4. of temperature or humidity Conversely using the longest sampling time setting of 12 hours will likely cause important events to go undetected If you are an experienced data logger you already know how to choose the optimum sampling time for your application If you are a novice pick a sampling time closer to the minimum sampling time than the maximum on the assumption that the HT50 probably has enough memory 8000 pairs of humidity and temperature readings if you choose not to log IR thermometer measurements to store all the data you ask the meter to log unless you use it to log data for months rather than weeks or days If you wish you can also drag the sliders shown in the figure to set from top to bottom high and low alarm setpoints for ambient temperature humidity and IRT surface temperature Once you have chosen your data logging parameters click Setup A window will appear advising that The device is set up successfully Clicking Setup also synchronizes the HT50 s internal clock with your computer s clock giving all data logs to be captured an absolute time reference You can now unplug the HT50 from your computer s USB port The unit is in standby mode ready to begin logging data 13 OPERATING INSTRUCTIONS DEPLOY THE UNIT The HT50 is particularly easy to deploy on a job site because the unit does not need to be plugged into a computer to be activated ready to start logging data Working toge
5. the IRT press and hold the Meas button Fig 1a Callout H while aiming the laser pointer at the surface of interest The measured temperature will instantly appear on the LCD in the currently selected unit along with the indication IRT in the upper right corner When you release the Meas button the Hold icon a lock see Fig 1b will also appear on the display to indicate that the displayed value is being held The reading will be held for 10 seconds At that time the HT50 will exit IRT mode and resume displaying temperature humidity or working status on its LCD The HT50 s IRT has a distance to spot D S ratio of 2 1 and assumes that its target has an emissivity of 0 95 a valid assumption for most materials Include these specifications when considering how close you must be to a target to measure its temperature accurately without including the temperature of its surroundings 17 OTHER INDICATIONS As mentioned earlier the SET and STO buttons and the LCD can be used together to display real time temperature and humidity measurements and to indicate the current working status of the HT50 Circuitry inside the HT50 automatically shuts down the LCD to conserve battery life if the SET or STO button has not been pressed within the past 60 seconds That is the case even when the unit is logging data In other words the LCD is normally asleep To wake up the LCD briefly press the SET or STO button This firs
6. CD will wake up and begin displaying real time readings If the SET or STO button is not pressed within 60 seconds the LCD will be automatically powered off Note If the battery is removed from a unit before it has been set up from software or while it is recording the unit must be reconfigured before it can be reactivated If it is not reconfigured the unit will remain in standby mode INSTALL SOFTWARE AND DRIVERS 1 Place mini disc in tray of CD DVD drive shiny side down Close tray 2 When the AutoPlay window appears click on Open folder to view files using Windows Explorer 3 Windows Explorer will indicate that there are two Files Currently on the Disc One is actually a folder containing a PDF of the HT50 user s manual as well as PDFs of the manuals for the HT10 and HT20 versions of the HT50 without an IR thermometer Copy the HT50 manual to your computer s hard drive for permanent storage The other file is a Windows Installer Package msi file named ELUSB V1 0 Double click its Ed icon 4 A window titled Welcome to the ELUsb Setup Wizard will appear Click Next to continue 5 Within the window that appears next click the box next to accept the terms in the License Agreement Then click Next to continue 6 The next window advises that the ELUSB application will be installed in your computer s C Program Files folder in a new subfolder named lt ELUSB gt If you want to install the softw
7. Click Yes to stop recording and import all data recorded to that point in time Click No to continue to Setup without importing recorded data meaning it will be lost Click Cancel to go back and unplug the unit from the USB port You can now use the software to configure your HT50 Configuring the device means choosing five key parameters e Sampling time How often it makes and stores humidity and temperature measurements Temperature unit degrees Fahrenheit or Celsius F or C High and low ambient temperature alarm setpoints High and low humidity alarm setpoints High and low surface IR temperature setpoints To begin click on Set up the USB Data Logger in the window shown in the figure above Doing so will cause the following window to appear eoo EL USB v1 0 beta C Temp Scale Gc OF Sample Rate 10Sec Temp High Alarm Y 90 Temp Low Alarm Y 35T Hum High Alarm Y 90 Hum Low Alarm Y 10 IRT High Temp Alarm y 250 IRT Low Temp Alarm 25 C aL LJ cane Device HT50 is connected Fig 3 The HT50 configuration Setup window Using your mouse trackball or touchpad first choose your Temp Scale and Sample Rate sampling time With regard to sampling time using the shortest setting of 10 seconds may 12 result in too much essentially identical data being stored in memory potentially limiting its capacity to capture important events such as an unexpected excursion
8. USB RH TEMPERATURE DATA LOGGER with LCD DISPLAY and IR THERMOMETER USER S MANUAL HT50 Please read this manual carefully and thoroughly before using this product TABLE OF CONTENTS Introduction ziii Pee ee eae eee vum 3 4 Key Features 0 0 0 0 cece cee eee eee nee 4 5 Safety Instructions 0 ccc cece eee eee 5 What s in the Blister Pack 000 00 cee eaeee 5 Product OvervieW 000s cece eee e eee e ees 6 7 Setup Instructions 0 c cece ce eee 8 13 Installing Replacing the Battery 8 Install Software and Drivers 8 9 Configure the Unit 0 000 10 13 Operating Instructions llle 14 19 Deploy the Unit 0 0 ccc eee eee 14 Stop Logging and Import Logs 15 Viewing Printing and Exporting Data Logs 15 17 Using the IR Thermometer 05 17 Other Indications 00005 18 19 Specifications 0 0 ccc cece eee 19 20 Maintenance TipS 0 cece enn 21 Warranty Information 0 0 cece eee eee 21 Return for Repair Policy 0000 c eee anaana 22 INTRODUCTION Thank you for purchasing General Tools amp Instruments HT50 USB RH Temperature Data Logger with LCD Display and IR Thermometer Please read this user s manual carefully and thoroughly before using the instrument The HT50 is a low cost compact battery powered thermo hygrometer capable of
9. are elsewhere click Browse and choose another location After selecting either the default location or another location click Next to continue 7 When the Ready to install ELUsb window appears click Install to continue Before the installation begins a User Account Control window may appear and ask Do you want to allow ELUSB V1 0 msi to make changes to this computer Click Yes to continue 9 The ELUsb Setup Wizard will now install the program on your computer On the next window that appears click Finish 10 At the bottom of the Device Driver Installation Wizard that appears next click Next to continue 11 The next window to appear is a Windows Security window Click on Install this driver software anyway to continue 12 The next Device Driver Installation Wizard window will advise you that an HT10 20 50 driver from General Tools or Kecheng Laboratories was successfully installed and that your device is now Ready to use Click Finish to continue co CONFIGURE THE UNIT Note that the software installation has added a Bi icon to your desktop To facilitate access to the program right click on the icon and pin it to both your Start button and the Quick Start area at the left of your taskbar You can now eject the installation mini disc and store it with your other important software Plug the HT50 into an available USB port of your computer If your computer is a laptop and the only available USB jack
10. attorneys fees expenses or losses alleged to be a consequence of damage due to failure of or defect in any product including but not limited to any claims for loss of profits 21 RETURN FOR REPAIR POLICY Every effort has been made to provide you with a reliable product of superior quality However in the event your instrument requires repair please contact our Customer Service to obtain an RGA Return Goods Authorization number before forwarding the unit via prepaid freight to the attention of our Service Center at this address General Tools amp Instruments 80 White Street New York NY 10013 212 431 6100 Remember to include a copy of your proof of purchase your return address and your phone number and or e mail address 22 NOTES 23 Specialty Tools amp Instruments GENERAL TOOLS amp INSTRUMENTS 80 White Street New York NY 10013 3567 PHONE 212 431 6100 FAX 212 431 6499 TOLL FREE 800 697 8665 e mail sales generaltools com www generaltools com HT50 User s Manual Specifications subject to change without notice 2012 GENERAL TOOLS amp INSTRUMENTS NOTICE WE ARE NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS MAN HT50 3 16 12
11. does not have enough vertical clearance to accommodate the HT50 without mechanically stressing its USB plug do not plug the HT50 directly into the jack You do not want the plug of the HT50 to support any of the weight of the laptop If that is the case plug the HT50 into the jack of the included USB extension cable and insert the plug of the extension cable into the computer s USB jack The first time you plug the HT50 into your computer your system tray will notify you that the computer is Installing Device Driver Software When the notification disappears open the ELUSB program by selecting it via your Start button clicking on its icon on your taskbar or double clicking its desktop icon If the software has installed correctly and you have plugged the HT50 into a working USB port of your computer the following screen should appear on your computer s display 10 eo O EL USB v1 0 beta c Set up the USB Data Logger Gu Stop the USB Data Logger and download data o View previously saved data Device HT50 is connected Fig 2 The three options made available by plugging the HT50 into a USB port Note If you have already used your HT50 to log data and it is still in recording mode plugging the unit in will cause the following window to appear Warning The device is logging data choose YES to download data first NO to continue anyway BUT you will lost previous data CANCEL to return
12. ession later without uploading logged data to your computer in the interim If you allow logging to continue and you do not upload your data to your computer soon you risk filling up the HT50 s memory A simpler and safer way to stop data logging is to plug the HT50 into your computer s USB port immediately after completing a logging session and then use the ELUSB software to stop logging Each time you plug the HT50 into the USB port the window shown in Fig 2 will appear When you plug in the unit it makes no difference whether it is still logging the procedure for uploading importing data logs is identical Just click on the middle selection Stop the USB Data Logger and download data to instantly execute both functions The data will be imported as a txt file A Save As window will appear asking you to identify where you want the file to be stored and what you want to name it VIEWING PRINTING AND EXPORTING DATA LOGS Immediately after you close the Save As window by clicking on Save the uploaded data log will automatically be displayed as a set of curves representing all loggable values Fig 4 is a typical example The initial display includes all parameters including dew point which the software automatically calculates and alarm setpoints that you may 15 have entered during Setup To remove any parameter or horizontal and vertical grid lines from the overall plot uncheck its box at right mon Ioue MG OR d
13. gging and check unit s working status H Meas button when pressed and held activates IR thermometer and laser pointer Ambient temperature and humidity sensor window 6 20 Fig 1b All possible y 071 r1 display indications i on the HT50 TL IE E 0 Ui SED a a Display Legend A indicates reading is higher than high alarm setpoint for that parameter V indicates reading is lower than low alarm setpoint for that parameter RH relative humidity unit C Celsius temperature unit F Fahrenheit temperature unit IRT Indicates operation in IRT mode Hold Indicates that IRT measurement is being held on the display 888 8 Humidity or temperature value or one of the following four working status indications LOG Unit is logging data Unitis in standby mode ready to log data FUL Internal memory is full and logging has been stopped CON Unit needs to be configured by software SETUP INSTRUCTIONS INSTALLING REPLACING THE BATTERY The HT50 uses a 3 6VDC 1 2 AA Lithium ion battery To open the battery compartment turn the unit over and slide the battery compartment cover which is clearly marked toward the front of the unit in the direction opposite the arrow on the cover Remove the old battery and insert a fresh battery in the correct orientation Then replace the cover pushing it forward until you feel and hear a click After you replace the battery the L
14. h alarm setpoint If a down arrow appears at the left of the reading it is lower than the low alarm setpoint for that parameter SPECIFICATIONS Ambient Temperature 4 to 158 F 20 to 70 C Measurement Range Ambient Temperature 0 7 F 0 4 C Measurement Accuracy Ambient Temperature Measurement 0 2 F 0 1 C Resolution and Repeatability Relative Humidity RH 10 to 90 Measurement Range RH Measurement Accuracy 3 RH Measurement Resolution 0 1 and Repeatability IR Surface Temperature 4 to 482 F 20 to 250 C Measurement Range IR Temperature 5 F 3 C Measurement Accuracy 19 IR Temperature 0 2 F 0 1 C Measurement Resolution Distance to Spot D S Ratio 2 1 Emissivity 0 95 fixed Internal Storage Capacity 8 000 pairs of RH Temp readings or 5000 sets of ambient temperature humidity and IR surface temperature readings Display 3 1 2 digit LCD with 60 second auto power off Temperature Response Time Humidity Response Time 0 5 seconds 5 seconds Interface Length of USB Extension Cable Dimensions Weight USB 1 0 2 0 7 9 in 200mm 4 92 x 1 69 x 0 94 in 125 x 43 x 24 mm lt 7 02 2009 Power Source Current Consumption Battery Life typical 20 3 6V non rechargeable 1 2 AA 1200mAh Lithium ion battery 1mA laser off lt 20mA laser on 1 year MAINTENANCE TIPS Avoid dropping the unit Do
15. rocess control The HT50 enables simplifies and cuts the cost of environmental monitoring of office buildings greenhouses food and equipment storage facilities wineries freezers shipping containers HVAC R installations computer rooms labs libraries museums and saunas e Electronics manufacturing Alerts provided by the low humidity alarm function of the HT50 can mitigate the risk of damaging high voltage static discharges KEY FEATURES One button starts stops data logging without a PC e Plug and play USB 2 0 interface no need for cables cradles or docks e Large storage capacity Up to 8000 pairs of humidity and temperature readings or 5000 sets of humidity ambient temperature and surface temperature readings e 3 1 2 digit LCD displays real time temperature and humidity readings also indicates device working status and memory full Built in IR thermometer with 2 1 Distance to Spot ratio and measurement range of 4 to 482 F 20 to 250 C e Included software is used to set Sampling time from 10 seconds to 12 hours Hi Lo alarm setpoints for humidity ambient temperature and surface temperature Temperature unit F or C A e Software also calculates dew point and displays data logs as time based graphs synchronized to your PC s clock e One click exporting of logs to Excel or Word e Long battery life up to one year e Includes USB extension cable One year warranty SAFETY INSTRUCTIONS CAUTION
16. t press of the button will cause the LCD to resume displaying the same indication that was on screen when the LCD was last put to sleep Pressing the SET button briefly can produce three possible display indications 1 The current temperature 2 the current humidity level and 3 the HT50 s current working status Each press of the SET button changes the display to the next indication in the sequence pressing the SET button when the LCD is displaying the unit s current working status 3 resets the cycle to 1 There are four possible working status indications e LOG The unit is currently logging data e i The unit is in standby mode ready to log data e FUL The unit s internal memory is full and logging has been stopped e CON The unit needs to be configured by software The STO button has a third function in addition to waking up the LCD and adding IRT readings to sets of temperature and hymidity data logs When the HT50 s LCD is on brief presses of the STO button toggle displayed temperature readings between C and F When the LCD is displaying a temperature or humidity reading it also gives an indication if the reading is outside the acceptable range of readings for that parameter assuming that high and or low alarm setpoints were entered during the Setup procedure If an up arrow appears at the left of the reading see Fig 1b on p 7 the measured value of that parameter is higher than its hig
17. ther the SET and STO buttons and the LCD serve as the control and indicators needed to 1 start and stop data logging and 2 verify and change the unit s working status That leaves only two things to be sure of when choosing a place to deploy the HT50 e The temperature and humidity sensor window Fig 1a Callout I is not covered e The humidity and temperature values at the unit s location are representative of the room The HT50 with its protective cap on can be deployed either by laying it on a horizontal surface or by hanging it vertically within the included plastic mounting bracket The back of the bracket features both a magnet and a hanger hole Once you have deployed the HT50 you can initiate data logging To start logging ambient temperature and humidity data but not IRT measurements press and hold the SET button for at least 3 seconds The LCD will display the word LOG to confirm that logging has begun To start logging ambient temperature and humidity data as well as IRT measurements press the hold the STO button for at least 3 seconds The LCD will display the words LOG and IRT to confirm that logging has begun 14 STOP LOGGING AND IMPORT LOGS To stop data logging press and hold the SET or STO button for at least 3 seconds The LCD will display three dashes to confirm that logging has stopped That is how you should stop data logging if you plan to initiate another logging s
18. unattended logging recording of the ambient temperature and relative humidity RH of an environment for days weeks or months It can also measure and optionally log surface temperatures spot checked by a technician using the unit s integral infrared IR thermometer Data logging can be started or stopped by pushing a button on the unit eliminating the need to bring a laptop to the job site After a data log has been captured and stored it can be uploaded as a txt file to any PC running the Windows 7 or Windows XP operating system after plugging the HT50 into one of the computer s USB ports The HT50 s internal flash memory is large enough to store up to 8000 pairs of humidity and temperature readings or 5000 sets of humidity ambient temperature and surface temperature readings Included with the product is a mini disc with the drivers needed to interface the unit to the computer as well as software that can display a data log file as a table or graph and or export it to Microsoft Excel Exporting to Excel is recommended for sophisticated trending and analysis of humidity and temperature data and easy detection of unexpected excursions Windows 7 and Windows XP are registered trademarks of Microsoft Corporation 3 Applications for the HT50 include e Water damage restoration Because the HT50 is designed to be deployed and left in place over the duration of the job it is always in equilibrium with the environment e P
Download Pdf Manuals
Related Search