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TM-802 

Formaldehyde Meter 

User’s Manual 

 

 

HB2TM802000 

 

 

Содержание TM-802

Страница 1: ...TM 802 Formaldehyde Meter User s Manual HB2TM802000 ...

Страница 2: ...erage 5 5 5 Switch the SETL or TWA Expression of Formaldehyde 5 5 6 Read value holding function 6 5 7 Alarm setting 6 5 8 Manual recording 7 5 9 Record reading 7 5 10 Clear record 8 5 11 Calibration 8 6 FORMALDEHYDE HAZARDS 12 7 GENERAL SPECIFICATIONS 15 8 ELECTRICAL SPECIFICATIONS 17 8 1 Formaldehyde 17 8 2 Humidity 17 8 3 Temperature 17 9 SAFETY AND MAINTENANCE STANDARDS 17 10 BATTERY REPLACEMEN...

Страница 3: ...Note Please refer to this manual Improper use may damage the meter and its components Complies with European Directive Do not operate in environments with flammable gas or humid environments Operating altitude up to 2000M Operating environment Indoor use Pollution degree 2 Clean with soft cloth when dirty such as glasses cloth Do not clean with chemicals and other solvents EMC EN61326 1 CISPR 11 G...

Страница 4: ...ty sensor 8 Left button REC record button 3 LCD display 9 Settings function button 4 Power switch button 10 DC voltage input jack 5 Data hold button 11 Tripod 6 Back light button 12 Battery cover 5 OPERATION 1 Press button for more than 2 seconds to turn power on 2 After the warm up time about 5 minute the measurement screen will display ...

Страница 5: ...ower off When any operation stopped for about 15 minutes it will shut down automatically Turn off the auto power off function at shutdown mode press button and then press button to boot LCD will display n SL indicating that the automatic shutdown function has been turned off Restart to restore the automatic shutdown function ...

Страница 6: ...lues of the maximum the minimum and the average Press button to start the function press button once again to select the modes of maximum MAX minimum MIN or average AVG displayed on the LCD sequentially Press button for 2 seconds to turn this function off 5 5 Switch the SETL or TWA Expression of Formaldehyde Press button to select the modes of SETL TWA or normal ...

Страница 7: ... update every 3 minutes STEL the total average value in 15 minutes Summarize and average the values every 15 minutes and update every 15 minutes 5 6 Read value holding function Press button to start or stop the data holding function 5 7 Alarm setting Press button for 2 seconds to enter the alarm mode ...

Страница 8: ...ss button after the alarm value determined finish the setting of alarm and turn on it Under the alarm mode the automatic shutdown function will be canceled 5 8 Manual recording In the normal state press and button simultaneously to record a data the screen will display the icon and the number of records 5 9 Record reading In the normal state press and button simultaneously to enter the reading mod...

Страница 9: ... the manual reading state press button for 2 seconds to clear the records 5 11 Calibration As calibrating please keep away from the organic gases such as alcohol to avoid to interfere the concentration of formaldehyde At shutdown status press and button simultaneously then press button to enter the calibration mode As entering the calibration mode you may decide whether to reset as the factory def...

Страница 10: ...ess to exit Press button you may select the items sequentially formaldehyde 0PPM calibration formaldehyde 0 5PPM calibration 33 RH calibration 75 RH calibration temperature calibration or press button to exit Formaldehyde 0PPM calibration Press button to select the 0PPM calibration screen ...

Страница 11: ...nish the calibration after 8 minutes Or press button to exit 0PPM calibration state without calibration Formaldehyde 0 5PPM calibration Press button to select the 0 5PPM calibration screen Press button and input formaldehyde of 0 5PPM with flow rate 0 8 l min to the meter The detection will stop after 8 minutes ...

Страница 12: ...o select the 33 RH calibration screen Place the meter in the environment of 33 RH After the humidity stable press button wait for 8 seconds and complete the calibration Humidity 75 RH calibration Press button to select the 75 RH calibration screen Place the meter in the environment of 75 RH After the humidity stable press button wait for 8 seconds and complete the calibration ...

Страница 13: ...utton or button to adjust the value of main window to be same as the standard part After adjusted wait for 30 seconds without pressing any button to complete the calibration 6 FORMALDEHYDE HAZARDS Formaldehyde concentration Human response International standard 0 03 ppm General outdoor environment value 0 08 ppm Tasteless no sensation for the human 0 1 ppm Standard recommended value Limiting value...

Страница 14: ...5 0 3 ppm It may cause the symptoms of asthma allergies cough etc 0 5 ppm It may cause abnormal immune function and oncogenic risk Limiting value of OSHA for workplace 0 75ppm It may cause Chromosomal abnormalities and affecting fertility and cause cancer easily Limiting value of OSHA and TWA for workplace 2 0ppm It may cause cancer and chronic respiratory Limiting value of OSHA and TWA for workpl...

Страница 15: ...TM 802 14 disease ...

Страница 16: ... 15 minutes Battery life is about 75 hours under continuous use Power LR03 AAA 1 5V 6 batteries AC to DC Adaptor Optional External AC 100 240V to DC 9V 0 5A power supply About the DC plug the inner side of the extension lead shall be connected to the positive electrode and the outer is the negative electrode The inside diameter I D of the extension lead is 5 5mm and the outside diameter O D is 2 1...

Страница 17: ...por 0 0 carbon dioxide 0 0 acetone 0 0 ethyl methyl ketone 0 0 benzene 0 0 terephthalate 0 0 toluene 0 0 methane 0 0 ethyl acetate 0 0 hydrogen 0 1 chlorine 3 carbon monoxide 1 phenol 8 sulfur dioxide 12 ethanol methanol 50 Note within the specified range The step change of RH will cause a short term transient response ...

Страница 18: ... Humidity Range 5 0 to 95 0 RH Resolution 0 1 RH Accuracy 5 0 RH 20 to 80 8 0 RH 20 80 8 3 Temperature Range 20 to 50 4 to 122o F Resolution 0 1 0 1 F Accuracy 1 0 1 8 F 9 SAFETY AND MAINTENANCE STANDARDS 1 When the LCD shows the symbol it means that the electric quantity is low please replace with batteries immediately to ensure accuracy 2 When the meter is dirty please wipe it with a soft cloth ...

Страница 19: ...the period shall not be more than ten minutes after testing it shall be placed in the environment of clean air for more than half an hour before and then shut down If not it will accelerate the aging of the sensor 10 BATTERY REPLACEMENT 1 Turn off the power 2 Open the battery cover on the back of meter and remove the batteries 3 Install new batteries and comply with the polarity positions of posit...

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