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Table of Contents
- 1 Table of Contents
- 2 Introduction
- 3 Features
- 4 Specification
- 5 Front Panel and Button Description
- 6 Power on or Power off
- 7 Measurement Mode
- 8 Particlecounter Measurement Mode
- 9 HCHO Measurement Mode(the DT-9881 Has the Unique Function)
- 10 CO Measurement Mode(the DT-9881 Has the Unique Function)
- 11 Strorage File Browser
- 12 System Settings
- Download this manual
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Summary of Contents for CEM DT-9881
- Page 1 Particle Counter User Manual MODEL: MODEL: DT-9881 DT-9881 MODEL: MODEL: DT-9880 DT-9880 Please read this manual before switching the unit on. Important safety information inside.
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Page 2: Table Of Contents
1.Introduction......................... 2.Features........................3.Specification....................... 4.Front Panel And Button Description................5.Power on or Power off....................6.Measurement Mode..................... 7.Particle Counter measurement mode................8.HCHO Measurement mode(The DT-9881 has the unique function)....... 9.CO Measurement mode(The DT-9881 has the unique function)........10.Strorage File Browser....................11.System Settings...................... -
Page 3: Introduction
Particle Counter User Manual 1.Introduction Thank you for purchasing this 4 in 1 Particle Counter instrument.This instrument is Particle Counter with 2.8’’ color TFT LCD display & a MicroSD memory card for capturing imags(JPEG) or video (3GP) for viewing on your PC. Proving fast,easy and accurate readings for particle counter, GAS (HCHO,CO) detectors,air temperature &... - Page 4 Video Borescope User Manual Particle Counter User Manual Air temperature and Relative humidity measurement Air Temperature Range 0°C to 50°C(32°F to 122°F) Dewpoint Temperature Range 0°C to 50°C(32°F to 122°F) Relative Humidity Range 0 to 100%RH Air temperature Accuracy ±0.5°C(0.9°F) 10°C to 40°C ±1.0°C(1.8°F) others Dewpoint temp.
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Page 5: Front Panel And Button Description
Particle Counter User Manual 4. Front Panel And Button Description Particle Sensor TEMP .%RH Sensor Camera Sensor CO Sensor USB Interface Color LCD Display AC/D adapter Particle Counter HCHO Sensor Function button Page up button Measure button Back up button ENTER STOP STOP... - Page 6 Video Borescope User Manual Particle Counter User Manual Items Description Particle Counter measurement HCHO Detector measurement CO Detector measurement Memory Set System Set Help file Symbols Symbol Symbol Description Description Cumulative mode Differential mode Concentration mode Scan HOLD Alarm working CAM mode CO detection mode Video mode...
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Page 7: Particlecounter Measurement Mode
Particle Counter User Manual 7. ParticleCounter measurement mode On the power on mode,you can use the or button to select ,then press the ENTER button to enter the Particle Counter mode, Start to measure and display temperature and humidity. Press RUN/STOP button to start detection of particles,when the sample time is up,the particle measurement will automatically stop,and the data will automatically save.You can also,press RUN/STOP button to stop the measurement when the sample time is not up. - Page 8 Video Borescope User Manual Particle Counter User Manual Sample time You can adjust the sample time use the button to control the volume of measured gas. Start Delay You can adjust the time use the button to control start time. Size &...
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Page 9: Hcho Measurement Mode(The Dt-9881 Has The Unique Function)
Interval Set the time between samples for the sampling period is greater than one times. 8. HCHO Measurement mode(The DT-9881 has the unique function) On the power on mode,you can use the button to select, then press ENTER button to enter the HCHO measure mode,Start to measure HCHO,air temperature and humidity after clearing a few seconds.Press RUN/STOP button to stop or open the measurement.This mode can... - Page 10 Video Borescope User Manual Particle Counter User Manual 8.1 Take picture function On the HCHO mode,you can see icon,and these icon corresponding to F1,F2,F3 button,press F1 can enter picture taking mode. Icon will appear,you can press F2 button to take picture.Press ESC button to exit this mode. 8.2 Take video function On the HCHO mode,you can see icon,and these icon corresponding to...
- Page 11 Particle Counter User Manual HCHO Alarm Set the alarm value of HCHO.Optional alarm off and turn the alarm function.You can set the size of the alarm parameters. Max/Min Set whether to display the measured maximum,minimum. Average/Dif Set whether to display the value of average or different. Ambient Temp/%RH Set whether to display the air temperature and relative humidity.
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Page 12: Co Measurement Mode(The Dt-9881 Has The Unique Function)
Video Borescope User Manual Particle Counter User Manual 9.CO Measurement mode(The DT-9881 has the unique function) On the power on mode,you can use the button to select ,then press ENTER button to enter the CO measure mode, Start to measure CO,air temperature and humidity after clearing a few seconds.Press RUN/STOP button to stop or open the measurement. - Page 13 Particle Counter User Manual Start Delay Set the waiting time before the start of measurement.Press ENTER button to select the time and adijust the time with the button. CO Alarm Set the alarm value of CO. Optional alarm off and turn the alarm function.You can set the size of the alarm parameters.
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Page 14: Strorage File Browser
Video Borescope User Manual Particle Counter User Manual Max/Min Set whether to display the measured maximum,minimum. Average/Dif Set whether to display the value of average or different. Ambient Temp/%RH Set whether to display the air temperature and relative humidity. Dewpoint/Wetbulb Set whether to display the dewpoint and wetbulb. -
Page 15: System Settings
Particle Counter User Manual 11.System Settings Turn the instrument on,below the LCD has a bar icon.Click on the icon to enter the System Set Mode via the F2 button. Items Descriptions Date/Time Set date and time Font Colour Select the font colour Brightness Brightness adjustment Auto Power Off... - Page 16 Video Borescope User Manual Particle Counter User Manual 11.2 Font Colour Press the button to select the color, press the ESC button to esc and save. 11.3 Brightness Press the button to select the backlight brightness, press the ESC button to esc and save.
- Page 17 Particle Counter User Manual 11.5 Display Timeout Press the button to select the Display auto off time or never Display auto off, press the ESC button to esc and save. 11.6 Memory Status Press the button to select the memory (flash or microSD). Press the ESC button to esc and save.
- Page 18 Video Borescope User Manual Particle Counter User Manual 11.7 Factory Setting Press the button to select yes or no restore factory settings. Press the ESC button to esc and save. 11.8 Units(°C/°F ) Press the button to select the unit, press the ESC button to esc and save...
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