Lutron Electronics HT-305 Operation Manual Download Page 10

5-1 Change the Temp  ,   unit

℃ ℉

Use the " Set Button " ( 3-11, Fig. 1 ) to select the main
function to "   ", then one by one to press the "

Function Button " ( 3-5, Fig. 1 ) a while will determine
the default Temp. unit to    or   

@ Press the " Function Button ", if the upper display value

show " 0 ", the default Temp. unit is   

@ Press the " Function Button ", if the upper display value

show " 1 ", the default Temp. unit is  . 

After the function is determined, press the " Enter Button "
( 3-4, Fig. 1 ) to confirm and save the selection data into
memory IC permanently. Press the " Esc Button " ( 3-3.
Fig. 1 ) will revert to normal display screen.

5-2 Auto power ON/OFF

Use the " Set Button " ( 3-11, Fig. 1 ) to select the main
function to " OFF ", then one by one to press the "
Function Button " ( 3-5, Fig. 1 ) a while will determine
the default the power management system is Auto
Power Off enable or disable.

@ Press the " Function Button " once, if the upper display

value show " 0 ", it is not Auto Power Off management
( disable ). 

@ Press the " Function Button " once, if the upper display

value show " 1 ", it is the Auto Power Off management
( enable ). 

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Summary of Contents for HT-305

Page 1: ...TER marks a step forward for you into the field of precision measurement Although this METER is a complex and delicate instrument its durable structure developed Please read the following instructions...

Page 2: ...tton 5 3 5 Function Button 5 3 6 Battery Compartment Cover 5 3 7 Probe Input Socket 5 3 8 Probe Plug 5 3 9 Probe handle 5 3 10 Probe head Humidity Temperature 5 4 GENERAL MEASURING PROCEDURE 6 4 1 Hum...

Page 3: ...High accuracy and high precision Dew point measurement Just few panel buttons easy operation Microprocessor circuit assures maximum possible accuracy provides special functions and features LCD with t...

Page 4: ...ity function Data Hold Freeze the display reading Memory Recall Maximum Minimum value Sampling Time Approx 0 8 second Power off Auto shut off saves battery life Operating 0 to 50 Temperature Operating...

Page 5: ...degree Accuracy 0 8 1 5 Dew Point Range 25 3 to 48 9 Resolution 0 1 Range 13 5 to 120 1 Resolution 0 1 Remark Dew Point display value is calculated from the Humidity Temp measurement automatically Th...

Page 6: ...splay 3 2 Power Button 3 3 Hold Button ESC Button 3 4 REC Button Enter Button 3 5 Function Button 3 6 Battery Compartment Cover 3 7 Probe Input Socket 3 8 Probe Plug 3 9 Probe handle 3 10 Probe head H...

Page 7: ...show on the display upper display is Humidity value the lower display is the temperature value 3 The meter Temp display unit is defaulted to If intend to let the meter s temperature unit default to t...

Page 8: ...n 3 4 Fig 1 once the REC MAX symbol along with the maximum value will appear on the display If intend to delete the maximum value just press the Hold Button 3 3 Fig 1 once then the display will show t...

Page 9: ...he upper display will show 1000 1000 is the password code that allow to execute the Advanced Measuring Procedure following After display show COde 1000 push the Enter Button 3 4 Fig 1 once will go to...

Page 10: ...Button 3 4 Fig 1 to confirm and save the selection data into memory IC permanently Press the Esc Button 3 3 Fig 1 will revert to normal display screen 5 2 Auto power ON OFF Use the Set Button 3 11 Fig...

Page 11: ...LCD display show it is necessary to replace the battery However in spec measurement may still be made for several hours after low battery indicator appears before the instrument become inaccurate 2 S...

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