Lutron Electronics HT-305 Operation Manual Download Page 9

5. ADVANCED MEASURING 

    PROCEDURE

When execute the following Advanced
Measuring Procedure should cancel the " Hold
function " and the " Record function " first.  The
display will not show the " HOLD " and the " REC "
marker.

a. Hold the " Set Button " ( 3-11, Fig. 1 ) at least two

seconds until the lower display show " COde ", then
release the " Set Button ", the 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 the following b.
procedures.

 * If push the " ESC Button " ( 3-3, Fig. 1 ) will escape

the selecting function and return to the normal
measuring display.

b. One by one to press the " Set Button " ( 3-11, Fig. 1 )

once a while to select the two main function that show
on the lower display as :

 .......

Change the Temp  ,   unit

℃ ℉

OFF.......Auto power ON/OFF management

7

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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