Tenmars TM-188 User Manual
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Tenmars TM-188 User Manual

Heat stress wbgt meter
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HEAT STRESS WBGT
METER
TM-188 / TM-188D
User's
Manual
HB2TM1880002
TENMARS ELECTRONICS CO., LTD

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Summary of Contents for Tenmars TM-188

  • Page 1 HEAT STRESS WBGT METER TM-188 / TM-188D User’s Manual HB2TM1880002 TENMARS ELECTRONICS CO., LTD...

  • Page 3: Table Of Contents

    Preface ............. 2 General Description ........2 Specifications (23℃±5℃) ......4 Instrument Description ......8 LCD Description........9 Power On/Off .......... 10 Auto Power Off........10 Alarm On/Off ........... 10 Disable Auto Power Off......11 LED Backlight ..........11 Temperature Unit ........11 Mode............

  • Page 4: Preface

    Accurate measurement for wet bulb globe temperature(WBGT), black globe temperature(TG), humidity(%RH), air temperature(TA),wet bulb(WET)and dew point(DEW).  Max/Min and data hold.  Low battery indication “ ”.  LCD display with LED backlight.  Single data record (TM-188 is able to record 50 data).
  • Page 5 TM-188/TM-188D  Viewing data records.  Switch the temperature unit to ℃ or ℉.  Brass black ball in 50mm diameter.  WBGT alarm setting.  Auto power off with disable function.  Interface: USB PC serial interface. (TM-188D)  Data logging capacity :12000 records. (TM-188D) ...

  • Page 6: Specifications (23℃±5℃)

    TM-188/TM-188D 3. Specifications (23℃±5℃) Wet bulb globe temperature (WBGT) Accuracy at 15~ Unit Range Resolution 40℃ indoor ℃ 0~59.0 ±1.0 & Outdoor 32.0~ without ℉ ±1.8 138.0 sunlight ℃ 0~56.0 ±1.5 Outdoor With 32.0~ ℉ ±2.7 sunlight 132.0 ※indoor & outdoor without sunlight: WBGT = (0.7×WET)+(0.3×TG)
  • Page 7 TM-188/TM-188D Black globe temperature (TG) Accuracy Unit Range Resolution at 15~40℃ ℃ 0~80.0 ±0.6 ℉ 32.0~176.0 ±1.1 Relative Humidity (%RH) Measurement 1%~99% Range ±3.0%RH(20~80%) at 25℃ Accuracy ±5.0%RH(<20%,>80%) at 25℃ Resolution 0.1% Dew point temperature (DEW) Unit Range Resolution ℃...
  • Page 8 TM-188/TM-188D  Dimension : 243 x 70 x 50mm (L x W x H).  Weight : 220g. (Without batteries).  Sampling Rate : one times per second.  Power supply : 006P 9V,or AC100~240V DC 9V/ 0.5A(9mm).  Battery life : 200 hours.
  • Page 9 TM-188/TM-188D WARNING Please plac e the meter in the environment of high temperature and low humidity for 24 hours after us ed the meter in the humid environment. WARNING In order to ensure the accuracy of this meter, we strongly recommend send the meter back to original factory for maintenance every year.

  • Page 10: Instrument Description

    TM-188/TM-188D 4. Instrument Description 1. UP/MAX/MIN 9. SEL/Alarm 2. MODE/SET 10. Down/REC 3. Power/Auto power off 11. Battery holder 4. UNIT/HOLD 12. Battery cover 5. LCD 13. 5 pin mini USB socket. 6. Temp & humidity 14. DC power jack sensor 7.

  • Page 11: Lcd Description

    TM-188/TM-188D 5. LCD Description 1. Alarm symbol 13. Relative Humidity 2. HOLD symbol 14. Secondary display 3. WBGT 15. Read & memory 4. MAX symbol 16. Time symbol 5. Air temperature 17. Date symbol 6. Black globe temp 18. Record symbol 7.

  • Page 12: Power On/Off

    TM-188/TM-188D 6. Power On/Off  Press button to turn on or turn off the meter.  Display all the symbol: press button more than 1 second to turn on the meter the firmware version will soon be displayed for one second.

  • Page 13: Disable Auto Power Off

    TM-188/TM-188D 9. Disable Auto Power Off  When the power is on, press the button for more than 2 second, to cancel or recovery automatically shutdown. Automatic shutdown feature is enabled If shows on the screen. ※ The auto power off will be disable if the SET function, USB function, Alarm is enabled.

  • Page 14: Mode

    TM-188/TM-188D 12. Mode  Press button for less than 1 second to change the mode. Units switch in order of WBGT=>TA=>%RH=>TG=>WET=>DEW.  Press button for less than 1 second to change the IN/OUT when the LCD displays WBGT mode. ※ The mode function will be unavailable if the...

  • Page 15: Data Hold

    TM-188/TM-188D 13. Data Hold  Press button for more than 2 seconds to enable hold function. ※ The HOLD function will be unavailable if SET function is enabled. 14. Single Data Record  Press button for less than 1 second to record the current measured result and the “REC”...

  • Page 16: Viewing Data Records

    TM-188/TM-188D 15. Viewing Data Records  Press button for more than 2 seconds to turn on or off the viewing data records.  Press button to view the number of records.  Press button to change the mode. (IN/OUT WBGT、TA、%RH、TG、WET、DEW) ...

  • Page 17: Auto Data Logger(Tm-188D)

    TM-188/TM-188D Ex: TM-188 TM-188D ※ The viewing data records mode will be unavailable if the HOLD, SET function is enabled. 16. AUTO DATA LOGGER(TM-188D)  Press button for more than 2 seconds to turn on Auto Data logger mode, and the “REC”, “R”...

  • Page 18: Maximum/Minimum (Max/Min)

    TM-188/TM-188D 17. Maximum/Minimum (MAX/MIN)  Press button for more than 2 seconds to enter MAX/MIN mode, and the LCD will display the maximum temperature data and the “MAX” symbol.  Press button for less than 1 second to change maximum or minimum.

  • Page 19: Setting And Calibration

    TM-188/TM-188D 19. Setting and Calibration  Press button for more than 2 seconds to enter into setting mode Fig.A~L(see Table 1): Fig. A or B setting: WBGT alarm High/Low setting:  If you want to setup High, press button to select Fig.A.
  • Page 20 TM-188/TM-188D Fig. C setting year (TM-188D):  z setting. Fig. D setting month, date (TM-188D):  Press button to select the Fig. D.  Press button to start setting , LCD displays will flashing.  Press button to select the digit you want to adjust.
  • Page 21 TM-188/TM-188D Fig. F setting second (TM-188D):  Press button to select the Fig.F.  Press button to start setting, LCD displays will flashing.  Press button to select the digit you want to adjust.  Press button to increase or decrease the second, the second of the maximum value is 59 and the minimum is 00.
  • Page 22 TM-188/TM-188D  Press button to save setting. Fig. H setting sampling interval in second (TM-188D):  Press button to select the Fig.H.  Press button to start setting, LCD displays will flashing.  Press button to select the digit you want to adjust.
  • Page 23 TM-188/TM-188D Fig. J setting air temperature offset calibration:  Press button to select the fig.J.  Press button to start setting LCD displays will flashing.  Press button to select the digit you want to adjust.  Press button to increase or decrease the digit, the digit of the maximum value is 9.9 and...
  • Page 24 TM-188/TM-188D  Press button to increase or decrease the digit, the digit of the maximum value is 9.9 and the minimum is -9.9.  Press button to save setting. Fig. L setting black globe temperature offset calibration  Press button to select the Fig .L.
  • Page 25 TM-188/TM-188D Fig.A Fig.B Fig.C Fig.D Fig.E Fig.F Fig.G Fig.H Fig.I Fig.J Fig.K Fig.L Table 1...

  • Page 26: Thermal Hazard Prevention Standards

    TM-188/TM-188D Thermal hazard prevention standards  Screening Criteria for Heat Stress Exposure (WBGT values in℃)  Example of activities within Metabolic Rate Categories Categories Examples Activities Sitting quietly Resting Sitting with moderate arm movements Sitting with moderate arm and leg...

  • Page 27: Precautions

    TM-188/TM-188D According to the American Conference of Governmental Industrial Hygienists.[ACGIH](2005) 21. Precautions  Keep the meter away from electromagnetic interference (EMI) which may cause erratic readings.  The measured values will be inaccurate if you touch the black ball during the test.

  • Page 28: External Dc Power

    TM-188/TM-188D 23. External DC power External AC to DC adapter : Voltage 9 V (8~14 V Max)/500mW. Socket: Pin positive, Ground casing negative. External diameter 5.5mm internal diameter 2.1mm . 24. Safety and maintenance standards  Do not put this device in direct sunlight or where it is hot and/or damp.

  • Page 29: Battery Replacement

    TM-188/TM-188D 25. Battery replacement WARNING 1. If the LCD displays “ ”symbol, please replace the battery immediately. 2. If not used for a long time or more than 1 month, please remove the battery to prevent battery leakage and corroding the internal components.

  • Page 30: End Of Life

    TM-188/TM-188D 26. End of life WARNING If not using the meter, please remove the battery to avoid possible damage. Caution: This symbol indicates that equipment and its accessories shall be subject to a separate collection and correct disposal.
  • Page 32 Clamp meter, Multimeter, Phase Rotation test, Digital Insulation teste Our products of high quality are selling well all over the world TENMARS ELECTRONICS CO., LTD 6F, 586, RUI GUANG ROAD, NEIHU, TAIPEI 114, TAIWAN. E-mail : service@tenmars.com http : //www.tenmars.com...

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Tm-188d

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