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AQT400 User Guide

M211930EN-A

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Summary of Contents for AQT400

Page 1: ...M211930EN A User Guide Air Quality Transmitter AQT400...

Page 2: ...egulations applicable at any given time and hereby disclaims any and all responsibilities related thereto This manual does not create any legally binding obligations for Vaisala towards customers or e...

Page 3: ...ables 17 5 3 Measuring Units 17 5 4 Impact of Ambient Conditions 17 6 Configuration and Operation 19 6 1 Installing AQT Configuration Tool 19 6 2 Using AQT Configuration Tool 19 6 3 Connecting to Mana...

Page 4: ...Index 45 Technical Support 47 Warranty 47 Recycling 47 AQT400 User Guide M211930EN A 2...

Page 5: ...List of Figures Figure 1 Structure of AQT410 8 Figure 2 Pin out of M12 Connector 14 List of Figures 3...

Page 6: ...33 Table 9 Electrical Specifications 34 Table 10 Environmental Specifications 34 Table 11 Data Connection Specifications 34 Table 12 Mechanical Specifications 34 Table 13 Measuring Specifications 35...

Page 7: ...ing alerts you to a serious hazard If you do not read and follow instructions carefully at this point there is a risk of injury or even death WARNING Caution warns you of a potential hazard If you do...

Page 8: ...Indicates that you need to take some notes during the task AQT400 User Guide M211930EN A 6...

Page 9: ...You can send the measuring data from the air quality transmitter to local systems through a serial interface AQT400 is enclosed in an IP65 rated weatherproof casing and can be installed outdoors The u...

Page 10: ...3 Main electronics board 4 Combined temperature and humidity sensor 5 Radiation shield 6 Integrated pressure sensor 2 2 Safety This product has been tested for safety Note the following precautions Do...

Page 11: ...e components on a properly grounded and protected ESD workbench or by grounding yourself to the equipment chassis with a wrist strap and a resistive connection cord If you are unable to take either pr...

Page 12: ...AQT400 User Guide M211930EN A 10...

Page 13: ...adjustment and compensation system which guarantees accurate ppb measurements The particle sensor technology of laser particle counter in AQT420 is based on the scattering of laser light caused by pas...

Page 14: ...AQT400 User Guide M211930EN A 12...

Page 15: ...ransmitter from its cardboard package and check that no visible damage has occurred during transport If you detect any damage immediately contact your carrier and Vaisala technical support 4 3 Install...

Page 16: ...aintain the cable screen integrity in places where the cables are cut and re connected such as junction boxes plugs and sockets Do not exceed the specified input voltage range CAUTION In case of power...

Page 17: ...fault value is 9600 bps 7E1 7 data bits even parity one stop bit 120 termination Change the serial interface and protocol settings through a control connection The interface supports the following dat...

Page 18: ...AQT400 User Guide M211930EN A 16...

Page 19: ...umber of particles sampled over a period of sixty seconds You can set the measuring interval to 1 1440 minutes for both gas and particle measuring 5 3 Measuring Units AQT400 reports the gas measuremen...

Page 20: ...AQT400 User Guide M211930EN A 18...

Page 21: ...sk whether you trust the program Click Run 3 The installer window opens The installer recommends you to close all other applications before the installation To start the installation click Next 4 Acce...

Page 22: ...tabilization period 24 hours the window displays a red text Device is warming up Once the stabilization period is over and the measurements are reliable the windows displays a green text Device is rea...

Page 23: ...the air quality transmitter to a PC with a USB RS 232 adapter You can also use the RS 232 interface on your PC if available 2 Open a terminal window for example PuTTY 3 Establish a connection with the...

Page 24: ...splays comma separated values in ppm units csm displays comma separated values in metric units protect Disables password protection if it is enabled password reboot Reboots the device really is a mand...

Page 25: ...aud R W Modbus baud rate 4800 115200 bps rs485_mode R W Modbus in use 0 ASCII CSV 1 Modbus ASCII 2 AQT interconnect 3 Vaisala WXT co_zero R W CO zero correction 10000 10000 ppb co_span R W CO span cor...

Page 26: ...AQT400 User Guide M211930EN A 24...

Page 27: ...nts in g m 0 023 0 067 26 2 105 7 CONF Specifies the printing order of the measurements in the MEAS field Always includes T H P temperature humidity and pressure T H P NO2 SO2 PM2 5 PM10 UPTIME Device...

Page 28: ...ad only in ppb A5 O3 0x06 Read only in ppb A6 NO 0x07 Read only in ppb A7 VOC 0x08 Read only in g m 10 P0 PM2 5 raw 0x09 Read only in g m 10 P1 PM10 raw 0x0A Read only in C 10 or F 10 Air temperature...

Page 29: ...nsor configuration word 1 0x1E Read only 0xFFFF Sensor configuration word 2 0x1F Read only 0 100 Device health percent 0x20 Read only year Time stamp year 0x21 Read only month Time stamp month 0x22 Re...

Page 30: ...AQT400 User Guide M211930EN A 28...

Page 31: ...integrated sensor elements The sensors have been calibrated at the factory and must be recalibrated every 12 24 months depending on the gas type To have the sensors replaced and calibrated contact Vai...

Page 32: ...AQT400 User Guide M211930EN A 30...

Page 33: ...vice is different from the host Connect the serial cable and check the serial port settings of the device with AQT Configuration Tool or terminal program 9 1 Writing Problem Report When troubleshootin...

Page 34: ...AQT400 User Guide M211930EN A 32...

Page 35: ...0 mbar Pressure resolution 1 mbar Pressure accuracy 1 FS Sampling interval 1 1440 minutes Response time 60 seconds Factory calibration 12 24 months depending on the local measurement conditions The ga...

Page 36: ...000 4 2 3 4 5 6 CISPR 22I Ingress protection rating IP65 Table 11 Data Connection Specifications Property Description Value Data protocols Modbus ASCII Serial data interface RS 485 Console interface R...

Page 37: ...essure resolution 1 mbar Pressure accuracy 1 FS Sampling interval 1 1440 minutes Response time 60 seconds Factory calibration 12 24 months depending on the local measurement conditions The gas measuri...

Page 38: ...16 Electrical Specifications Property Description Value Operating voltage 8 30 VDC Power consumption Typically 0 5 W maximum 2 W Table 17 Environmental Specifications Property Description Value Operat...

Page 39: ...ons Property Description Value Dimensions H W D 185 128 128 mm 7 3 5 0 5 0 in Weight 1 3 kg 2 8 lb Enclosure material Anodized aluminium stainless steel Power and data connector Standard 8 pin M12 mal...

Page 40: ...AQT400 User Guide M211930EN A 38...

Page 41: ...air or preferably zero air with continuous flow 0 05 1 0 l min Keep the humidity of the zero air stable between 30 60 RH You can use for example Nafion membrane tube or a special calibrator with humi...

Page 42: ...that creates a correct mixture from a higher concentration gas source and a zero air source Connect the calibrator output to the calibration adapter and use the regulator to adjust the flow rate 4 Mai...

Page 43: ...dded after span adjustment The zero values can vary between 10000 10000 Use the show command to read the concurrent values before using the set command to replace them If AQT400 has an offset adjustme...

Page 44: ...AQT400 User Guide M211930EN A 42...

Page 45: ...Appendix B Accessories For a list of accessories contact Vaisala Technical Support at helpdesk vaisala com Appendix B Accessories 43...

Page 46: ...AQT400 User Guide M211930EN A 44...

Page 47: ...selecting location 13 unpacking 13 L laser particle counter 7 11 M maintenance 29 calibration 29 performance check 29 management console 21 commands 22 configuration parameters 22 measurements measuri...

Page 48: ...AQT400 User Guide M211930EN A 46...

Page 49: ...mation see www vaisala com servicecenters Warranty For standard warranty terms and conditions see www vaisala com warranty Please observe that any such warranty may not be valid in case of damage due...

Page 50: ...AQT400 User Guide M211930EN A 48...

Page 51: ......

Page 52: ...www vaisala com...

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