General-tools-and-instruments HT20 Manuel d'utilisateur Page 1

USB RH/TEMPERATUREDATA LOGGER with LCD DISPLAYUSER’S MANUALHT20Please read this manual carefully and thoroughly before using this product.HT20 - Manua

CONFIGURE THE UNITNote that the software installation has added a icon toyour desktop. To facilitate access to the program, right-clickon the icon and

Note: If you have already used your HT20 to log dataand it is still in recording mode, plugging the unit inwill cause the following window to appear.C

You can now use the software to “configure” your HT20.Configuring the device means choosing four key parameters:• Sampling time—How often it makes and

memory, potentially limiting its capacity to capture importantevents such as an unexpected excursion of temperature orhumidity. Conversely, using the

That leaves only two things to be sure of when choosing aplace to deploy the HT20:• The temperature and humidity sensor window (Fig. 1a, Callout A) is

for uploading (importing) data logs is identical. Just click onthe middle selection—Stop the USB Data Logger anddownload data—to instantly execute bot

There are several features shown in Fig. 4 worth noting:• To mark the position of every recorded data point on thecurve, check the “Mark Points” box a

pressed within the past 60 seconds. That is the case evenwhen the unit is logging data. In other words, the LCD isnormally “asleep”.To wake up the LCD

SPECIFICATIONSTemperature Measurement Range -4° to 158°F (-20° to 70°C)Temperature Measurement Accuracy ±0.7°F (0.4°C)Temperature Measurement ±0.2°F

MAINTENANCE TIPS• Avoid dropping the unit. Do not subject it to violent shock orvibration or expose it to strong electromagnetic fields (forexample, n

TABLE OF CONTENTS Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 –4Key Features . . . . . . . . . . . . . . . . .

RETURN FOR REPAIR POLICYEvery effort has been made to provide you with a reliable product of superior quality. However, in the event your instrument r

INTRODUCTIONThank you for purchasing General Tools & Instruments’ HT20 USB RH/Temperature Data Logger with LCD Display.Please read this user’s man

Applications for the HT20 include:• Water damage restoration—Because the HT20 isdesigned to be deployed and left in place over theduration of the job,

• One-click exporting of logs to Excel or Word• Long battery life (up to one year)• Includes USB extension cable• One-year warrantySAFETY INSTRUCTIOND

6ABCDEFFig. 1a. The components, controls and connector of the HT20PRODUCT OVERVIEWFig. 1a below shows the main components, controls andconnectors of t

Display Legend▲: indicates reading is higher than high alarm setpointfor that parameter▼: indicates reading is lower than low alarm setpointfor that p

(left photo on previous page). Push back the cover (middlephoto), remove the old battery (right photo) and insert a freshbattery in the correct orient

6. The next window advises that the ELUSB application will be installed in your computer’s C:\Program Files folder ina new subfolder named <ELUSB&g