MRC HT-3027SD Operation Manual
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MRC HT-3027SD Operation Manual

Precision hygrometer, sd card real time data recorder %rh, welt bulb, dew point, type k/j temp
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SD card real time data recorder
%RH, Welt bulb, Dew point, Type K/J Temp.
PRECISION HYGROMETER
Model : HT-3027SD
OPERATION MANUAL
Your purchase of this
PRECISION
HYGROMETER marks a
step forward for you
into the field of
precision measurement.
Although this Meter is a
complex and delicate
instrument, its durable
structure will allow
many years of use if
proper operating
techniques are
developed. Please read
the following
instructions carefully
and always keep this
manual within easy
reach.

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Summary of Contents for MRC HT-3027SD

  • Page 1 SD card real time data recorder %RH, Welt bulb, Dew point, Type K/J Temp. PRECISION HYGROMETER Model : HT-3027SD Your purchase of this PRECISION HYGROMETER marks a step forward for you into the field of precision measurement. Although this Meter is a...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. FEATURES........................ 1 2. SPECIFICATIONS......................3. FRONT PANEL DESCRIPTION......................4. MEASURING PROCEDURE......................4-1 Function selection ........................ 4-2 Data Hold............................. 4-3 Data Record ( Max./ Min. reading )..............10 4-4 LCD Backlight ON/OFF......................5. DATALOGGER..........................5-1 Preparation before execute datalogger function................5-2 Auto Datalogger ( Set sampling time ≧...

  • Page 3: Features

    1. FEATURES * Humidity/Temp., Dew point ( Humidity ), Wet bulb ( Humidity ), Type K/J thermometer, 4 kinds measurement are combined into one meter, intelligent and professional. * Type K, Type J thermocouple thermometer. * Fast humidity measuring response time. * Real time SD memory card Datalogger, it Built-in Clock and Calendar, real time data recorder , sampling time set from 1 second to 3600 seconds.

  • Page 4: Specifications

    2. SPECIFICATIONS 2-1 General Specifications Circuit Custom one-chip of microprocessor LSI circuit. Display LCD size : 52 mm x 38 mm LCD with green backlight ( ON/OFF ). Measurement Humidity/Temp. : %RH/℃ or ℉. Unit Dew point ( Humidity ) : ℃ or ℉. Wet bulb ( Humidity ) : ℃...
  • Page 5 Data Hold Freeze the display reading. Memory Recall Maximum & Minimum value. Sampling Time Approx. 1 second. of Display Data Output RS 232/USB PC computer interface. * Connect the optional RS232 cable UPCB-02 will get the RS232 plug. * Connect the optional USB cable USB-01 will get the USB plug.
  • Page 6 Optional SD Card ( 4 GB ) Accessories Type K thermocouple probe. AC to DC 9V adapter. USB cable, USB-01. RS232 cable, UPCB-02. Data Acquisition software,SW-U801-WIN. Hard carrying case, CA-06 2-2 Electrical Specifications (23±5 ℃ ℃ ℃ ℃ ) Humidity/ Temperature Range 5 % to 95 % R.H.
  • Page 7 Wet bulb ( Humidity ) ℃ Range -21.6 ℃ to 50.0 ℃ Resolution 0.01 ℃ ℉ Range -6.9 ℉ to 122.0 ℉. Resolution 0.01 ℉. Remark : * Wet bulb display value is calculated from the Humidity/Temp. measurement automatically. * The Welt bulb accuracy is sum accuracy value of Humidity &...

  • Page 8: Front Panel Description

    3. FRONT PANEL DESCRIPTION Fig. 1 3-1 Display 3-11 Reset Button 3-2 Power Button ( Backlight Button ) 3-12 DC 9V Power Adapter Input Socket 3-3 Hold Button 3-13 Battery Compartment/Cover 3-4 REC Button 3-14 Battery Cover Screws 3-5 ▲ Button 3-15 Stand 3-6 ▼...

  • Page 9: Measuring Procedure

    4. MEASURING PROCEDURE 4-1 Function selection 1) Turn on the meter by pressing the " Power Button " ( 3-2, Fig. 1 ) > 1.5 seconds continuously. Pressing the " Power Button " ( 3-2, Fig. 1 ) continuously and > 1.5 seconds again will turn off the meter.
  • Page 10 3) Humidity / Temperature and Dew point and Wet bilb measurement a. Plug the " Probe Plug " ( 3-17, Fig. 1 ) into the " Probe Input Socket " ( 3-21, Fig. 1 ). b. Power on the meter by pressing the " Power Button " ( 3-2, Fig.

  • Page 11: Data Hold

    5) Humidity and Temperature measurement a. Plug the " Probe Plug " ( 3-17, Fig. 1 ) into the " Probe Input Socket " ( 3-20, Fig. 1 ). b. Power on the meter by pressing the " Power Button " ( 3-2, Fig.

  • Page 12: Data Record ( Max./ Min. Reading )

    4-3 Data Record ( Max., Min. reading ) 1) The data record function records the maximum and minimum readings. Press the " REC Button " ( 3-4, Fig. 1 ) once to start the Data Record function and there will be a " REC. " symbol on the display. 2) With the "...

  • Page 13: Datalogger

    5. DATALOGGER 5-1 Preparation before execute datalogger function a. Insert the SD card Prepare a " SD memory card " ( 1 G to 16 G, optional ), insert the SD card into the " SD card socket " ( 3-9, Fig. 1). The front panel of the SD card should face against the the down case.

  • Page 14: Manual Datalogger ( Set Sampling Time = 0 Second )

    Remark : How to set the sampling time, refer to Chapter 7-2, page 18 . How to set the beeper sound is enable, refer to Chapter 7-4, page 19. b. Pause the datalogger During execute the Datalogger function , if press the "...

  • Page 15: Check Time And Sampling Time Information

    Remark : During execute the Manual Datalogger, It can use the " ▲ Button " ( 3- 5 , Fig. 1) or " ▼ Button " ( 3-6, Fig. 1 ) to set the measuring position (1 to 99, for example room 1 to room 99 ) to identify the measurement location , the Top Display will show P x ( x = 1 to 99 ).
  • Page 16 4) The file's route structure : HTC01\ HTC01001.XLS HTC01002.XLS ..... HTC01099.XLS HTC02\ HTC02001.XLS HTC02002.XLS ..... HTC02099.XLS HTCXX\ .......... Remark : XX : Max. value is 10.

  • Page 17: Saving Data From The Sd Card To The Computer

    6. Saving data from the SD card to the computer ( EXCEL software ) 1) After execute the Data Logger function, take away the SD card out from the " SD card socket " ( 3-9, Fig. 1 ). 2) Plug in the SD card into the Computer's SD card slot ( if your computer build in this installation ) or insert the SD card into the "...
  • Page 18 EXCEL graphic screen (for example )

  • Page 19: Advanced Setting

    7. ADVANCED SETTING Under do not execute the Datalogger function, press the " SET Button " ( 3-7, Fig. 1 ) continuously at least two seconds will enter the " Advanced Setting " mode. then press the " SET Button " ( 3-7, Fig. 1 ) once a while display will show : DATE..

  • Page 20: Set Sampling Time

    2) After set all the time value ( Year, Month, Date, Hour, Minute, Second ), the screen will jump to " SD card Decimal character " setting screen ( Chapter 7-5 ). Remark : After the time value is setting, the internal clock will run precisely even Power off if the battery is under normal condition ( No low battery power ).

  • Page 21: Set Beeper Sound On/Off

    7-4 Set beeper sound ON/OFF When the lower display show " BEEP " 1) Use the " ▲ Button " ( 3-5, Fig. 1 ) or " ▼ Button " ( 3-6, Fig. 1 ) to select the upper value to " YES " or "...

  • Page 22: Sd Memory Card Format

    7-6 SD memory card Format When the lower display show " SD F " 1) Use the " ▲ Button " ( 3-5, Fig. 1 ) or " ▼ Button " ( 3-6, Fig. 1 ) to select the upper value to " YES " or "...

  • Page 23: Power Supply From Dc Adapter

    K - Type K thermometer J - Type J thermometer 2) After Display unit is selected to " K " or " J ", press the " Enter Button " ( 3-8, Fig. 1 ) will save the setting function with default. 8.

  • Page 24: System Reset

    10. SYSTEM RESET If the meter happen the troubles such as : CPU system is hold ( for example, the key button can not be operated... ). Then make the system RESET will fix the problem. The system RESET procedures will be either following method : During the power on, use a pin to press the "...
  • Page 25 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 26: Optional Type K Temp. Probe

    Germany Nr. 20 2008 016 337.4 JAPAN 3151214 TAIWAN M 358970 M 359043 CHINA ZL 2008 2 0189918.5 ZL 2008 2 0189917.0 Patent pending 3, Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 mrc@mrclab.com MRC. 7.18...

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