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Page 31 of 42 

 

 

 

 

 

 

 

 

 

CHAPTER 11 

 

MAINTENANCE 

 

The SI-AQ VOC Indoor Air Quality Monitor is a sophisticated analytical instrument designed to perform 

accurate air quality measurements. However, because the monitor is a portable, field/lab used 

instrument that can be used in many environments, care must be taken to prevent physical and 
environmental abuse to help maintain trouble-free operation. 

 

There are some components that will require periodic inspection and/or replacement. 

 

 

*Note: These stated intervals are dependent on the unit’s usage and applications  

 
 

A. Sensor Replacement 

 

Send to Sauermann service center  

 

 

B. Printer Paper Replacement 

 
The external printer uses a high quality 2" thermal paper. Keep any 

spare paper rolls in a cool dark place to prevent paper discoloration.

  

 

1)

 

Press the open key on the printer to open the paper cover 

2)

 

Insert the paper as shown in the image.  Remove any remaining 

core of a used paper roll. 

3)

 

Make sure to align the paper roll Properly. 

4)

 

Pull the paper out as shown in the image and close the cover. 

5)

 

Tear off any excess paper in the direction of the side of the 

printer. 

INTERVAL* 

ITEM 

PROCEDURE 

Weekly 

ZERO Check of ALL Gas Sensors 

Zero Gas sensors (see Chapter 9) 

Every 6 months 

SPAN Calibration of ALL Gas Sensors 

Send to Sauermann service center 

Содержание SI-AQ VOC

Страница 1: ...SI AQ VOC USER MANUAL MULTIFUNCTIONAL PORTABLE INDOOR AIR QUALITY MONITOR www sauermanngroup com...

Страница 2: ...CHAPTER 5 SENSORS TECHNICAL 12 CHAPTER 6 SI AQ VOC SETUP 17 CHAPTER 7 INTERNAL DATA STORAGE 19 CHAPTER 8 WIRELESS REMOTE PRINTER 21 CHAPTER 9 CALIBRATION 23 CHAPTER 10 SI AQ PCSOFT SOFTWARE 26 CHAPTE...

Страница 3: ...resolution high speed graphic thermal printer with charger prints A current set of data B stored data C periodic data printouts D calibration history and external messages 5 INTERNAL INSTRUMENT PUMP C...

Страница 4: ...ION DETECTOR PID SENSORS SENSOR RANGE RESOLUTION Min Detection ACCURACY VOCs LOW Std Range 0 20 000 ppb 0 46 000 g m3 1 ppb 1 g m3 5 ppb 10 rdg 20 ppb VOCs HIGH 0 200 ppm 0 460 mg m3 1 ppm 1 mg m3 10...

Страница 5: ...t in the rain or high moisture areas to prevent water droplets on the black external Temp RH and Pressure Sensor Remember to have the monitor checked and calibrated at least once a year to ensure sens...

Страница 6: ...wing the product safety instructions in Section A above C ESD Protection In extreme cases or abnormal applications Electrostatic Discharge can potentially cause serious and immediate damage to the ele...

Страница 7: ...Thumb Drive includes SI AQ PCSOFT Software for Windows Instruction Manual USB Cable for connecting to a PC Vinyl Carrying Case Internal Wireless Bluetooth module Calibration Certificate B PROPER SAFE...

Страница 8: ...arts of pollutant per billion mg m3 Milligrams per Cubic meter g m3 Micrograms per Cubic meter F Temperature Measurement in Fahrenheit C Temperature Measurement in Celsius WC Inches of water pressure...

Страница 9: ...rameters displayed simultaneously Note The SI AQ VOC allows the user to ZOOM in and out of the screen by changing from Small to Large Fonts using the MEASURE key Press Measure key again to zoom back o...

Страница 10: ...e that the plug icon appears on the MEASURE screen This ensures a proper power connection and charging of the batteries 5 If you are using the monitor for the first time press the SETUP key to set the...

Страница 11: ...ry pack in three hours You can check the condition of the batteries at any time 1 By pressing the MEASURE key small font screen and observing the battery icon located at the bottom of the display 2 By...

Страница 12: ...NDIR infrared gas sensors CO2 3 One 1 Photo ionization detector PID gas sensor VOC 4 Non gas sensors Temperature Humidity Pressure Velocity and Barometric pressure sensors The main section of the mon...

Страница 13: ...ires a constant bias voltage for proper operation This is supplied by the monitor s battery If the battery voltage drops below a certain value the monitor will turn off automatically to maintain the s...

Страница 14: ...r is measuring both H2S and Formaldehyde the Formaldehyde readings could be inaccurate as the levels of H2S increase Relative measurements could be appropriate in these situations 2 NDIR INFRARED SENS...

Страница 15: ...rature sensor This is a NTC sensor located on the front panel of the monitor The ambient temperature is displayed on the MEASURE screen in either F or C The dew point is calculated from the ambient te...

Страница 16: ...tion optional separate L type Pitot tube and pressure tubing the internal pressure sensor is a very low range pressure sensor The Velocity measurements are displayed on the MEASURE screen only as VEL...

Страница 17: ...is displayed in the format month day year hour minute second Hours are always displayed using a 24 hour clock format 2 TEMPERATURE UNITS The UP DOWN keys toggle between F Fahrenheit and C Celsius The...

Страница 18: ...uare inches in2 and set this value to obtain automatic accurate Air Flow measurements in m s or m3 min NOTE When using the Velocity Feature on the SI AQ VOC it is recommended to ZERO the readings BEFO...

Страница 19: ...atically advance to the next available tag If you want to store data in a different location use the UP DOWN OK keys to select a new tag As you scroll up and down tags containing data show their date...

Страница 20: ...sym and press OK The arrows in the corner will move the cursor forward or backward through the tag s name 8 ERASE BUFFER This option is used to erase stored data Data that has been stored in the monit...

Страница 21: ...ide VOCs etc LOG INTERVAL This selects the interval between each log entry The interval can be set between 1 and 60 seconds PRINT BUFFER This option is used to print data stored in the monitor s memor...

Страница 22: ...ess OK to select the letter or number For lower case letters highlight shift and press OK for symbols highlight sym and press OK The arrows in the corner will move the cursor forward or backward throu...

Страница 23: ...g the last zero countdown ZERO TIME This is the countdown time for the zero Procedure The zero cycle time should set at 20 60 seconds SPAN TIME When carrying out a span calibration you must introduce...

Страница 24: ...stabilize If the sensor is used on a daily basis the user should let it stabilize before use In order to zero the gas sensors except CO2 in Ambient Air insert the Si AQ VOC Zero Filter filter into the...

Страница 25: ...seconds At the end of the zero period the AQ Expert reads the output of all gas sensors with the exception of the CO2 sensor and sets them all to zero with the exception of the Oxygen O2 that it sets...

Страница 26: ...from the computer to the monitor you should hear a small da ding sound indicating that the USB connection has been made If you have the FTDI USB driver already installed in your computer the computer...

Страница 27: ...it will appear on the screen after a few moments Select it from the list and click Next 2 On the next screen select Enter the device s pairing code and click Next 3 Enter the pairing code 1234 or 0000...

Страница 28: ...be needed to open an SI AQ PCSOFT session You can find the comport associated with your SAUERMANN in the Windows Device Manager To open the Device Manager Go to the Windows START menu click RUN and t...

Страница 29: ...ng options 4 Retrieve stored data 5 Set alarms for every air quality parameter including recording the time duration that alarms have been exceeded 6 Plot bar graphs and time plots of all air quality...

Страница 30: ...rt 3 On the SI AQ PCSOFT window click on Connections then click on Add Port 4 Enter the COM port number which appeared in the Device Manager and click OK 5 The COM port with its number should appear o...

Страница 31: ...plications A Sensor Replacement Send to Sauermann service center B Printer Paper Replacement The external printer uses a high quality 2 thermal paper Keep any spare paper rolls in a cool dark place to...

Страница 32: ...d NDIR sensor 0 5000 ppm Carbon Monoxide CO electrochemical sensor 0 200 ppm Oxygen O2 electrochemical sensor 0 25 Nitrogen Dioxide NO2 electrochemical sensor 0 20 ppm Nitrogen Oxide NO electrochemica...

Страница 33: ...s for either 1 single positive pressure connection one 1 single negative pressure connection or 2 hoses for differential pressure using both connections simultaneously The hoses connect to the and or...

Страница 34: ...discharged sensor has destabilized Charge battery wait up to 24 hours for sensors to stabilize and re zero Sensor cell life has expired Call for a replacement Temperature Thermocouple Thermocouple is...

Страница 35: ...Si AQ CO2 Sensor 0 5000 ppm NDIR CO2 Sensor 0 5000 ppm Si AQ VOC Cell 20k ppb PID VOC Sensor 0 20 ppm Si AQ VOC Cell 200 ppm PID VOC Sensor 0 200 ppm Si AQ Calibration Kit Calibration KIT ZERO AIR Cyl...

Страница 36: ...Bromine 10 54 Bromobenzene 8 98 Bromochloromethane 10 77 Bromoform 10 48 Butane 10 63 Butyl mercaptan 9 15 cis 2 Butene 9 13 m Bromotoluene 8 81 n Butyl acetate 10 01 n Butyl alcohol 10 04 n Butyl ami...

Страница 37: ...chlorobenzene 9 12 N N Diethyl acetamide 8 6 N N Diethyl formamide 8 89 N N Dimethyl acetamide 8 81 N N Dimethyl formamide 9 12 o Dichlorobenzene 9 06 p Dichlorobenzene 8 95 p Dioxane 9 13 trans Dichl...

Страница 38: ...9 Methyl alcohol 10 85 Methyl amine 8 97 Methyl bromide 10 54 Methyl butyl ketone 9 34 Methyl butyrate 10 07 Methyl cellosolve 9 6 Methyl chloride 11 28 Methyl chloroform 1 1 1 trichloroethane 11 Met...

Страница 39: ...9 47 Trichlorofluoromethane Freon 11 11 77 Trichloromethane 11 42 Triethylamine 7 5 Trifluoromonobromo methane 11 4 Trimethyl amine 7 82 Tripropyl amine 7 23 V o Vinyl toluene 8 2 Valeraldehyde 9 82...

Страница 40: ...tan 0 6 methyl methacrylate 1 5 methyl tert butyl ether 0 86 methylamine 1 2 methylene chloride 11 7 lamp 0 85 m xylene 0 53 naphtalene 0 37 n n dimethylacetamide 0 73 n n dimethylformamide 0 8 n hexa...

Страница 41: ...Page 41 of 42...

Страница 42: ...aracteristics of our products without prior notice BE CAREFUL Material damages can happen so please apply the precautionary measures indicated Once returned required waste collection will be assured i...

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