Lutron Electronics HT-315 Manual
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Lutron Electronics HT-315 Manual

Humidity meter
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Humidity + Temp. + Dew Point
Pocket size
HUMIDITY METER
Model : HT-315

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Summary of Contents for Lutron Electronics HT-315

  • Page 1 Humidity + Temp. + Dew Point Pocket size HUMIDITY METER Model : HT-315...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. FEATURES.............. 1 2. SPECIFICATIONS............ 2 3. FRONT PANEL DESCRIPTION........5 3-1 Display................3-2 Power Button..............3-3 Hold Button ( Esc Button )..........3-4 REC Button ( Enter Button )..........3-5 Function Button ( Send Button )........3-6 Set Button ( Logger Button )..........3-7 Battery Compartment/Cover..........

  • Page 3: Features

    1. FEATURES * Humidity + Temperature + Dew point are combined into one meter, intelligent and professional. * 0.01 %RH resolution for the humidity reading, 0.01 degree resolution for the Temp. reading. * Pocket size with Separate humidity & temp. probe, easy operation.

  • Page 4: Specifications

    2. SPECIFICATIONS 2-1 General Specifications Circuit Custom one-chip of microprocessor LSI circuit. Display LCD size : 44 mm x 29 mm dual function LCD display. Measurement Humidity : %RH ( Relative Humidity ) Unit Temperature : ℃ ℉ Dew point : ℃...
  • Page 5 Power Current Approx. DC 4.6 mA. Weight 264 g/0.67 LB. @ Battery is included. Dimension Main instrument : 135 x 60 x 33 mm, ( 5.3 x 2.4 x 1.3 inch ). Humidity Sensor Probe : 197 mm ( 7.8 inch ) in length. Accessories Instruction manual......1 PC Included...
  • Page 6 2-2 Electrical Specifications (23± 5 ℃ Humidity/ Temperature Range 0 % to 95 % R.H. Humidity Resolution 0.01 % R.H. Accuracy 70% RH ≧ ± (3% reading + 1% RH). < 70% RH - 3% RH. ± 3% RH. Range to 50 to 122 ℃...

  • Page 7: Front Panel Description

    3. FRONT PANEL DESCRIPTION Fig. 1 3-1 Display 3-2 Power Button 3-3 Hold Button ( Esc Button ) 3-4 REC Button ( Enter Button ) 3-5 Function Button ( Send Button ) 3-6 Set Button ( Logger Button ) 3-7 Battery Compartment/Cover 3-8 RS-232 Output Terminal 3-9 Probe Input Socket 3-10 Probe Plug...

  • Page 8: General Measuring Procedure

    4. GENERAL MEASURING PROCEDURE The meter default value are : * The temperature reading unit is ℃ * The auto power off. 4-1 Humidity and Temperature measurement 1)Plug the " Probe Plug " ( 3-10, Fig. 1 ) into the " Probe Input Socket "...

  • Page 9: Data Hold

    4-3 Data Hold During the measurement, press the " Hold Button " ( 3-3, Fig. 1 ) once will hold the measured value & the LCD will display a " HOLD " symbol. * Press the " Hold Button " once again will release the data hold function.

  • Page 10: Advanced Measuring Procedure

    5. ADVANCED MEASURING PROCEDURE Before executing advanced adjustment procedures, exit the " Hold function " and the " Record " function. a. Hold the " Set Button " ( 3-6, Fig. 1 ) at least two seconds until the lower display show " COde ", then release the "...

  • Page 11: Change The Temp ℃ ℉ , Unit

    5-1 Change the Temp unit ℃ ℉ Use the " Set Button " 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 ℃...

  • Page 12: Rs232 Pc Serial Interface

    After the function is determined, press the " Enter Button " ( 3-4, Fig. 1 ) to save the selection function into memory IC permanently. Press the " Esc Button " ( 3-3. Fig. 1 ) will revert to normal display screen. 6.
  • Page 13 The 16 digits data stream will be displayed in the following format : D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Each digit indicates the following status : End Word D1 & D8 Display reading, D1 = LSD, D8 = MSD For example : If the display reading is 1234, then D8 to...

  • Page 14: Battery Replacement

    7. BATTERY REPLACEMENT 1)When the left corner of 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)Slide the "...

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