Lutron Electronics HT-3015 Operation Manual
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Lutron Electronics HT-3015 Operation Manual

Humidity meter
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Temp., Dew point, RS232
HUMIDITY METER
Model : HT-3015
Your purchase of this HUMIDITY METER 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 carefully and
always keep this manual within easy reach.
OPERATION MANUAL

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Summary of Contents for Lutron Electronics HT-3015

  • Page 1 Temp., Dew point, RS232 HUMIDITY METER Model : HT-3015 Your purchase of this HUMIDITY METER 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 carefully and always keep this manual within easy reach.

  • 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. * Fast humidity measuring response time. * High accuracy and high precision. * Dew point measurement.

  • Page 4: Specifications

    2. SPECIFICATIONS 2-1 General Specifications Circuit Custom one-chip of microprocessor LSI circuit. Display LCD size : 61 mm x 35 mm dual function LCD display. Measurement Humidity : %RH ( Relative Humidity ) Unit Temperature : ℃ ℉ Dew point : ℃...
  • Page 5 Power Current Approx. DC 8 mA. Weight 306 g/0.67 LB. @ Battery is included. Dimension Main instrument : 180 x 72 x 32 mm (7.1 x 2.8 x1.3 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 10 % to 95 % R.H. Humidity Resolution 0.01 % R.H. Accuracy 70% RH : ≧ ± (3% reading + 1% RH). < 70% 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 sampling time of data logger function is 2 seconds. 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: Data Logger

    4-5 Data Logger The data logger function can save 1000 measuring data ( Humidity/Temp. value or Dew point/Temp. value ) The data logger procedures are as following : a) Press the " REC Button " ( 3-4, Fig. 1 ) once to start the Data Record function and there will be a "...

  • Page 11: Advanced Measuring Procedure

    Memory full If Press the " Logger Button " ( 3-6, Fig. 1 ) once, both the mark " A ", upper display and lower display are flashed, it indicate the memory data already over 1000 no. and the memory is full. c) During the Data Logger function is executed, press the "...
  • Page 12 a. Hold the " Set Button " ( 3-6, 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.

  • Page 13: 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 14: To Show The Balance Data Numbers In The Memory

    @ Press the " Function Button ", if the upper display value show " 10 ", the default Data Logger sampling time is 10 seconds. @ Press the " Function Button ", if the upper display value show " 30 ", the default Data Logger sampling time is 30 seconds.

  • Page 15: Clear The Existing Saving Data From The Memory

    5-4 Clear the existing saving data from the memory 1)Use the " Set Button " to select the main function to " CLr " ( CLEAR ), at the same time the upper display will show the Data Logger counts no. that already save into the memory.

  • Page 16: How To Send The Data Out From The Meter

    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 17: Rs232 Pc Serial Interface

    7. RS232 PC SERIAL INTERFACE The instrument has RS232 PC serial interface via a 3.5 mm terminal ( 3-8, Fig. 1 ). The data output is a 16 digit stream which can be utilized for user's specific application. A RS232 lead with the following connection will be required to link the instrument with the PC serial port.
  • Page 18 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 D1 is : 00001234 Decimal Point(DP), position from right to the left 0 = No DP, 1= 1 DP, 2 = 2 DP, 3 = 3 DP Polarity...

  • Page 19: Battery Replacement

    8. 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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