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4.13.2 Reading the Measurement Data Mode ......9 4.13.3 Delete the stored data ............9 5 Check before Using ..............10 6 Measurement Method .............10 7 CAUTIONS ................11...
TM-183/TM-183P 1 PREFACE Thank you for your patronage. Please read these operating instructions carefully so that you may correctly operate the Temperature / Humidity Meter, allowing it to perform all its intended functions at optimum level. The Temperature /Humidity Meter uses a highly accurate sensor chip to measure relative humidity and temperature.
TM-183/TM-183P 4 OPERATING INSTRUCTIONS 4.1 LCD Display Functions: Data Hold 14. Day/Hour MAX Data Hold 15. Secondary Display MIN Data Hold 16. Alarm Indicator AVG Reading 17. Low Alarm Indicator Primary Display 18. High Alarm Indicator °C Temperaure Scale 19. Relative Subtraction °F Temperture Scale...
TM-183/TM-183P 4.2 Button function: 1. Hold or Set to turn upward Button. 2. DEW-POINT/WET-BULB/ Temperature/Relative Humidity Switch Button. 3. Backlight or Set to turn downward button. 4. On/Off Button. 5. REL/Alarm Set/Time Display Switch Button. 6. MAX/MIN/AVG Reading Button. 7. °C/°F Temperature Scale Switch and Store Reading Record Button.
TM-183/TM-183P display shows the recorded time; in the MAX/MIN mode, press the button more than 1 second will exit the MAX/MIN mode. In the MAX/MIN mode, press the button repeatedly less than one second, the LCD primary display loop shows the MAX → MIN → AVG →current measured value.
TM-183/TM-183P 4.7 Power ON/OFF Press the button to turn on or turn off the meter. button uses as the combination button to operate other functions while the thermometer on, the power off function is useless while the other button and Power button are pressed at the same time, that mean it executes other functions.
TM-183/TM-183P 4.9 Relative Deduction Value(REL): In normal mode, press the button less than one second to turn on or turn off REL function; when the REL function is turned on, the temperature/humidity meter will store current measured readings and reset the LCD display to 0 and will take the stored reading as the reference value and subtract it form subsequent readings.
TM-183/TM-183P 4.11 Alarm Setting Mode When it ring an alarm, if the temperature is over the setting value, the ℃ or ℉ on LCD will be flickering; if the humidity is over the setting value, the “ %RH ” on LCD will be flickering, if you want to cancel the sound function of the alarm, please press the “...
TM-183/TM-183P seconds then disappeared, saving the current measuring of displayed. The instrument can save at most 200 sets of data. When the data are full of 200 sets and can save the data again, the latest data will cover the earliest data, it just only can save the latest 200 sets of data.
TM-183/TM-183P 5 Check before Using Make sure the battery is installed properly. If the LCD displays , please replace the battery. When turning on the thermometer, all LCD displayed items will be lighted about 1 second. Make sure all the function switches are positioned correctly.
TM-183/TM-183P 7 CAUTIONS Please avoid using the Temperature / Humidity Meter in an environment with drastic temperature and humidity changes. Do not put the thermometer in an environment prone to high temperature, high humidity, or vigorous vibrations. Avoid exposing the thermometer in a chemical-contaminated environment.
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