Manual - Extech Instruments
Contents
1. 18 17 8 24 2011 15 12 16 0 8 m s 28 8 AMTempC 6 SDL350 EU EN V1 4 07 13 RS 232 USB PC Interface For streaming of data to a PC via the RS232 Output jack the optional 407001 USB kit RS232 to USB cable and driver CD along with the 407001 software available free at www extech com sdl350 are required Setup Mode Basic settings at a glance To view the current configuration of the meter with regard to time date thermocouple type and datalogging sampling rate press the SET CLOCK ICON key momentarily The meter will now display the configuration in quick succession Repeat as necessary to observe all of the information Accessing the Setup mode 1 2 3 Press and hold the SET key for at least 1 5 seconds to access the Setup menu Press the SET key momentarily to step through the available parameters The parameter type is shown on the bottom of the LCD and the current selection for that type is shown above it When a parameter is displayed that is to be changed use the arrow keys to change the setting Press the ENTER key to confirm a change Press and hold the SET key for at least 1 5 seconds to exit the Setup mode Note that the meter automatically switches out of the Setup mode if no key is pressed in 7 seconds while in the Setup mode The available Setup parameters are listed below Additional detailed information is provided below this list dAtE Set the clock time Year Month Date Hour Minute Second SP4 Set the2. US F EU parameter Use the arrow keys to select US or EU US represents CFM cubic feet per minute and EU represents CMM cubic meters per minute Press ENTER to confirm setting Press and hold the SET key for at least 1 5 seconds to exit to the normal operation mode or simply wait 7 seconds for the meter to automatically switch to the normal operating mode Set the Area value for the air duct under test for Air Flow Volume measurements only 1 2 Access the ArEA parameter Use the arrow keys set the area of the duct the equation L W is used for rectangular ducts 3 14 R is used for circular ducts Note that the value must be set in square feet or square meters therefore if the measurement is made in square inches the area value must be converted to square feet The setting range is 0 01 to 322 93 Press ENTER to confirm setting Press and hold the SET key for at least 1 5 seconds to exit to the normal operation mode or simply wait 7 seconds for the meter to automatically switch to the normal operating mode Battery Replacement and Disposal When the low battery icon appears on the LCD the batteries must be replaced Several hours of accurate readings are still possible in this condition however batteries should be replaced as soon as possible 1 Remove the two 2 Phillips screws from the rear of the meter directly above the top of the tilt stand Remove and safely place the battery compartment and
3. screws where they will not be damaged or lost Replace the six 6 1 5V AA batteries observing polarity Replace the battery compartment cover with the two 2 Phillips screws All EU users are legally bound by the Battery Ordinance to return all used batteries to community collection points or wherever batteries accumulators are sold Disposal in household trash or refuse is prohibited Disposal Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle Other Battery Safety Reminders Never dispose of batteries in a fire Batteries may explode or leak Never mix battery types Always install new batteries of the same type 9 SDL350 EU EN V1 4 07 13 Specifications General Specifications Display Sensor types Measurement Units Datalogger Sampling Rate Memory Card Temperature Compensation Data Hold Memory Recall Display update rate Data Output Operating Temperature Operating Humidity Auto Power OFF Power Supply Power Consumption Weight Dimensions Backlit LCD LCD size 52 x 38mm 2 x 1 5 Hot wire thermistor for air velocity and air flow measurements Thermistor for temperature sensor built into hot wire probe Thermocouple for remote temperature measurements Air velocity m S meters per second Km h kilometers per hour Ft min FPM feet per minute Knots nautical miles per hour Mile h mph miles per hour Air temperature C F Ai
4. 38 8 knots 0 1 FPM Ft min 40 3940 ft min 1 5 rdg x or 1 FS x whichever is greater for x see below x 0 1 m S 0 3 km h 0 2 mph 0 2 knots or 20 ft min Air temperature via probe s built in thermistor Measurement Range Resolution Accuracy C F 0 to 50 C 32 to 122 F 0 1 C 0 1 F 0 8 C 1 5 F Air Flow CFM CMM Volume Measurement unit Range Resolution CMM m minute 0 to 54 000 CMM 0 001 to 1 CMM CFM ft minute 0 to 1 907 000 CFM 0 001 to 100 CFM Air Temperature via Type K or Type J Thermocouple Sensor Type Resolution Range Accuracy 0 1 C 50 0 to 1300 0 C 0 4 rdg 0 5 C Type K j 100 0 to 50 1C 0 4 rdg 1 C 0 1 F 58 0 to 2372 0 F 0 4 rdg 1 F i 148 0 to 58 1 F 0 4 rdg 1 8 F 0 1 C 50 0 to 1200 0 C 0 4 rdg 0 5 C Type J i 100 0 to 50 1 C 0 4 rdg 1 C 0 1 F 58 0 to 2192 0 F 0 4 rdg 1 F A 148 0 to 58 1 F 0 4 rdg 1 8 F Note Above specifications tested under an environmental RF Field Strength lower than 3 V M and a frequency lower than 30 MHz Copyright 2013 FLIR Systems Inc All rights reserved including the right of reproduction in whole or in part in any form www extech com 11 SDL350 EU EN V1 4 07 13
5. EXTECH USER GUIDE INSTRUMENTS Hot Wire Thermo Anemometer with Datalogger Model SDL350 10 0 er Hot Wire SDL350 Thermo Anemometer loco Introduction Congratulations on your purchase of the Extech SDL350 Hot Wire Thermo Anemometer Datalogger This meter displays and stores air velocity and temperature readings Temperature readings from the thermometer built into the probe or from an externally connected type K or J thermocouple temperature probe can be displayed and recorded Data is stored on an SD card for transfer to a PC This instrument is shipped fully tested and calibrated and with proper use will provide years of reliable service Please visit the Extech Instruments website www extech com to check for the latest version of this User Guide Extech Instruments is an ISO 9001 certified company Safety International Safety Symbols This symbol adjacent to another symbol or terminal indicates the user must refer to the manual for further information Description METER AND HOT WIRE PROBE 1 Thermocouple input 2 Hot Wire input plug 3 Display for air velocity and air flow readings 4 Units of measure 5 HOLD Backlight w key 6 7 8 9 MAX MIN key SET and Clock key PC interface jack 18 Reset key 10 Power Adaptor jack 11 SD card slot 12 ENTER and LOG key 13 Down Warrow and FUNCTION key 14 Up A arrow and UNIT key 15
6. Power ON OFF key 16 Temperature reading with units of measure 17 Hot Wire probe cable 18 Telescoping probe handle 19 Protective cover sensors underneath 20 Colored dot must face air flow HOT WIRE PROBE TOP detail 1 Air stream must face into colored dot 2 Air velocity sensor 3 Sliding protective cover OPEN position 4 Sliding protective cover CLOSED position 5 Temperature sensor NOTES Battery compartment tilt stand and tripod mount are located on the rear of the instrument Items 8 9 and 10 are located behind the snap off compartment cover on right side of meter gt OANDAH O Oo 2 SDL350 EU EN V1 4 07 13 Operation Power ON OFF Power the meter ON or OFF by pressing and holding the power key h for at least 1 5 seconds Meter Functions This meter has three modes of operation Air velocity with temperature thermocouple temperature and Air Volume CFM CMM Press and hold the FUNCTION key for at least 1 5 seconds to switch from one mode to the other Air Velocity plus Temperature mode meter displays An icon Type K or J thermocouple temperature mode meter displays tP icon Air Flow Volume CFM CMM meter displays F US or F EU depending how the meter is set up for units of measure for area refer to the SETUP mode for details Air Velocity plus Temperature Mode 1 2 3 4 Select the Air Velocity and Temperature mode as described above Connect the vane probe to the me
7. ast 1 5 seconds to exit to the normal operation mode or simply wait 7 seconds for the meter to automatically switch to the normal operating mode SD Card FORMATTING 1 2 Access the Sd F parameter Use the arrow keys to select YES to format the card select NO to abort Note that all data on the card will be lost if formatting is attempted Press ENTER to confirm selection Press ENTER again to re confirm The meter will automatically return to the normal operating mode when formatting is complete If not press and hold the SET key for at least 1 5 seconds to exit to the normal operation mode 8 SDL350 EU EN V1 4 07 13 Set the Temperature Units of Measure C or F Al 2 3 4 Access the t CF parameter Use the arrow keys to select C or F Press ENTER to confirm setting Press and hold the SET key for at least 1 5 seconds to exit to the normal operation mode or simply wait 7 seconds for the meter to automatically switch to the normal operating mode Set the Temperature Thermocouple Type J or K A 2 3 4 Access the tYPE parameter Use the arrow keys to select J or K Press ENTER to confirm setting Press and hold the SET key for at least 1 5 seconds to exit to the normal operation mode or simply wait 7 seconds for the meter to automatically switch to the normal operating mode Set the Air Flow Volume measurement units to CFM F US or CMM F EU 1 2 3 4 Access the SET F
8. datalogger sampling rate 1 3600 Second PoFF Automatic power off management bEEP Set beeper sound ON OFF dEC Set SD card Decimal character comma for European format Sd F SD memory card Format t CF Select the Temperature unit of measure to C or F tYPE Select the thermocouple type to K or J F US F EU Select F US for CFM cubic feet per minute or F EU for CMM cubic meters per minute regarding Air Flow Volume measurements ArEA For CFM CMM Air Flow Volume measurements the user enters the area of the duct or other air passageway in units of square feet or square meters Setting the Clock Time 1 2 3 4 Access the dAtE parameter Use the arrow keys to change a value Use the ENTER button to step through the selections Press and hold the SET button for at least 1 5 seconds to exit to the normal operation mode or simply wait 7 seconds for the meter to automatically switch to the normal operating mode The clock will keep accurate time even when the meter is switched off However if the battery expires the clock will have to be reset after fresh batteries are installed 7 SDL350 EU EN V1 4 07 13 Setting the Datalogger Sampling Time Rate fiy 2 Access the SP t parameter Use the arrow keys to select the desired sampling rate The available settings are 0 1 2 5 10 30 60 120 300 600 1800 and 3600 seconds Press the ENTER key to confirm the entry Press and hold the SET key for at least 1 5
9. efer to the Setup Mode section for SD card formatting and time date setting instructions e European and USA numerical formats differ The data on the SD card can be formatted for either format The meter defaults to USA mode where a decimal point is used to separate units from tenths i e 20 00 The European format uses a comma i e 20 00 To change this setting refer to the Setup Mode section Manual Datalogging In the manual mode the user presses the LOG key to manually log a reading onto the SD card 1 Set the sampling rate to 0 seconds 2 Press and hold the LOG key for at least 1 5 seconds the lower portion of the display will show p n n memory position number 1 99 3 Press the LOG key momentarily to log a reading into memory The REC icon will flash each time a data point is stored the SCAN SD icon will appear when the meter accesses the card 4 Use the A and Y keys to select one of the 99 data memory positions in which to record 5 To exit the manual datalogging mode press and hold the LOG key for at least 1 5 seconds 5 SDL350 EU EN V1 4 07 13 Automatic Datalogging In automatic datalogging mode the meter takes and stores a reading at a user specified sampling rate onto SD card The meter defaults to a sampling rate of one second To change the sampling rate refer to the Setup Mode section the sampling rate cannot be 0 for automatic datalogging 1 2 To begin an automatic Datalog session press and
10. hold the LOG key for at least 1 5 seconds The meter will scan for an SD card and verify that it can be used to store data If a card is not inserted or if the card is defective the meter will display SCAN SD indefinitely In this case switch the meter OFF and try again with a valid SD card If the SD card is valid the display will show the LOG icon or the LOG icon alternating with the temperature display and then the REC icon will flash each time that a reading is stored To pause the datalogger press the LOG key momentarily The REC icon will stop flashing To resume logging simply press the LOG key again momentarily To terminate the datalogging session press and hold the LOG key for at least 1 5 seconds When an SD card is used for the first time a folder is created on the card and named AHB01 Up to 99 spreadsheet documents each with 30 000 readings can be stored in this folder When datalogging begins a new spreadsheet document named AHB01001 xls is created on the SD card in the AHB01 folder The data recorded will be placed in the AHB01001 xls document until 30 000 readings are reached If the measurement session exceeds 30 000 readings a new document will be created AHB01002 xls where another 30 000 readings can be stored This method continues for up to 99 documents after which another folder is created AHB02 where another 99 spreadsheet documents can be stored This process continues in this same fashion with folders AHB03 t
11. hrough AHB10 last allowable folder SD Data Card to PC Data Transfer 1 Complete a datalogging session as covered above For the first test simply record a small amount of test data in order to gain some confidence and experience with the procedure With the meter switched OFF remove the SD Card Plug the SD Card directly into a PC SD card reader If the PC does not have an SD card slot use an SD card adaptor available at most outlets where computer accessories are sold Power the PC and run a spreadsheet software program Open the saved documents in the spreadsheet software program see example of a spreadsheet display below Spreadsheet data example A A B c D E F G 1 Position Date Time Value Unit Value Unit 2 8 24 2011 15 12 00 0 8 m s 28 8 AM Temp 3 2 8 24 2011 15 12 01 0 8 m s 28 8 AM Temp 4 3 8 24 2011 15 12 02 0 8 m s 28 8 AMTempc a 8 24 2011 15 12 03 0 8 m s 28 8 AM Temp C 6 5 8 24 2011 15 12 04 0 8 m s 28 8 AMTempC 7 6 8 24 2011 15 12 05 0 8 m s 28 8 AMTempC 8 7 8 24 2011 15 12 06 0 8 m s 28 8 AMTempC 9 8 8 24 2011 15 12 07 0 8 m s 28 8 AMTempc 10 9 8 24 2011 15 12 08 0 8 m s 28 8 AMTempc 11 10 8 24 2011 15 12 09 0 8 m s 28 8 AM Temp C 12 11 8 24 2011 15 12 10 0 8 m s 28 8 AMTempC 13 12 8 24 2011 15 12 11 0 8 m s 28 8 AM Temp C 14 13 8 24 2011 15 12 12 0 8 m s 28 8 AM Temp C 1 14 8 24 2011 15 12 13 0 8 m s 28 8 AM Temp C 16 15 8 24 2011 15 12 14 0 8 m s 28 8 AMTempC 17 16 8 24 2011 15 12 15 0 8 m s 28 8 AMTempC
12. ion 3 SDL350 EU EN V1 4 07 13 Air Flow Volume CFM CMM A First measure and note the area of the duct or other passageway under test in square feet or square meters For rectangular ducts area is calculated using Length Width for circular ducts use 3 14 R 2 Enter the area value in the SETUP mode refer to SETUP mode section for details 3 Select the Air Volume mode on the meter as described earlier using the FUNCTION key 4 Connect the hot wire probe to the meter s probe jack top right of meter and slide open the probe s protective cover to expose the hot wire sensor Close the protective cover when the probe is not in use 5 Hold the probe by its handle and allow the air flow to pass through the sensor area Note that the air flow must face the probe s colored dot Refer to the meter and probe diagram section 6 The meter will display the air volume measurement in the upper display area and the selected unit of measure US or EU in the lower display area F US for CFM F EU for CMM CFM represents cubic feet per minute and CMM represents cubic meters per minute Data Hold To freeze a measurement on the display press the HOLD key momentarily The meter will emit a beep the reading will hold and the HOLD display icon will switch on Press the HOLD key again to release the display and exit the Data Hold mode returning the meter to the normal operating mode MAX MIN Readings For a given measurement session
13. nder the snap off compartment cover 2 After pressing the Reset button switch the instrument ON by pressing and holding the POWER key for at least 1 5 seconds If using the power adaptor unplug the adaptor and then plug it in again to power the meter AC Power Adaptor This meter is normally powered by six 6 1 5V AA batteries However an optional AC 9V power adaptor is available To use the adaptor insert the power adaptor plug into the jack on the bottom right side of the meter under the snap off compartment cover plug the other end of the adaptor into an AC power source The meter will now be permanently powered as long as the adaptor is used and the power key will be disabled Datalogger Types of Data Recording e Manual Datalogging Manually log up to 99 readings onto an SD card via push key press e Automatic Datalogging Automatically log data onto an SD memory card where the number of data points is limited only by the card size Readings are logged at a rate specified by the user SD Card Information e Insert an SD card from 1G size up to 16G into the SD card slot at the bottom of the meter With regard to orientation the card should be inserted with the front of the card label side facing toward the rear of the meter e Ifthe SD card is being used for the first time it is recommended that the card be formatted and the logger s clock set to allow for accurate date time stamping during datalogging sessions R
14. r Flow Volume CFM or CMM Type K Type J thermocouple C F AUTO 1 2 5 10 30 60 120 300 600 1800 3600 seconds Note that a one 1 second sampling rate can cause some data loss on slower computers MANUALLY Set the sampling rate to 0 SD memory card 1G to 16GB size Automatic temperature compensation for the Anemometer function and the type K J thermometer function Freeze the display reading Record and Recall the Maximum and Minimum readings Approx 1 second RS 232 USB PC computer interface 0 to 50 C 32 to 122 F 85 R H max After 10 minutes of inactivity can be disabled Six 6 1 5VDC batteries optional 9V AC adaptor Normal operation backlight amp datalogger OFF Approx 30 mA dc With backlight OFF and datalogging ON Approx 50 mA dc 347g 0 76 Ibs meter only Main instrument 182 x 73 x 47 5mm 7 1 x 2 9 x 1 9 Telescoping probe 12mm 0 5 diameter x 280mm 11 min length 12mm 0 5 diameter x 940mm 37 max length Cable length 2 1m 7 10 SDL350 EU EN V1 4 07 13 Electrical Specifications Ambient Temperature 23 C 5 C Air velocity Measurement Range Resolution Accuracy 0 2 5 0 m s 0 01 m s meters second 5 1 25 0 m s 0 1 0 7 18 00 km h 0 01 Km h kilometers hour 18 0 72 0 km h 0 1 i 0 5 11 20 mph 0 01 mph miles hour 11 2 44 7 mph 0 1 0 40 9 70 knots 0 01 Knots 9 7
15. seconds to exit to the normal operation mode or simply wait 7 seconds for the meter to automatically switch to the normal operating mode Enabling Disabling the Auto Power OFF Feature 1 2 Access the PoFF parameter Use the arrow keys to select ON enable or OFF disable With the Auto Power OFF feature enabled the meter will automatically switch OFF after 10 minutes of inactivity Press ENTER to confirm setting Press and hold the SET key for at least 1 5 seconds to exit to the normal operation mode or simply wait 7 seconds for the meter to automatically switch to the normal operating mode Set the Beeper Sound ON or OFF T 2 3 4 Access the bEEP parameter Use the arrow keys to select ON enable or OFF disable Press ENTER to confirm setting Press and hold the SET key for at least 1 5 seconds to exit to the normal operation mode or simply wait 7 seconds for the meter to automatically switch to the normal operating mode Numerical Setting comma or decimal European and USA numerical formats differ The meter defaults to USA mode where a decimal point is used to separate units from tenths i e 20 00 European formats use a comma i e 20 00 to separate units from tenths To change this setting 1 2 3 4 Access the dEC parameter as described in the Accessing Setup Mode section above Use the arrow keys to select USA or EUro Press ENTER to confirm setting Press and hold the SET key for at le
16. ter s probe jack top right of meter via the probe plug Hold the probe by its handle and allow the air flow to enter the sensor area Note that the air flow must face the probe s colored dot The meter will display the air velocity measurement upper display area and the air temperature lower display area Changing the Air Velocity Unit of Measure This meter offers five 5 units of measure selections for air velocity m s meters per second FPM feet per minute Km h kilometers per hour knots and mph miles per hour Al 2 Press and hold the UNIT key for at least 1 5 seconds to switch from one unit of measure to another Note that pressing and holding the UNIT key continuously allows for quicker scrolling Release the key when the desired unit of measure is displayed Thermcouple Type J or K Temperature Mode 1 2 a Select the Thermocouple Temperature mode using the FUNCTION button as described above The meter will display a J or a K on the left side of the display indicating the selected type To change the thermocouple type refer to the Setup Mode section Connect a Type J or Type K thermocouple to the meter s sub miniature thermocouple jack top of meter on the left Hold the thermocouple in the air in the area to be tested The meter will display the thermocouple temperature in the main display area To change the temperature unit of measure C and F refer to the Setup Mode sect
17. this meter can record the highest MAX and the lowest MIN readings for later recall 1 2 3 Press the MAX MIN key momentarily to access this mode of operation REC icon appears The meter is now recording the MAX and MIN readings Press the MAX MIN key again to view the current MAX reading MAX icon appears The reading on the display is now the highest reading encountered since the REC icon was switched on when the MAX MIN key was first pressed Press the MAX MIN key again to view the current MIN reading MIN icon appears The reading on the display is now the lowest reading encountered since the REC icon was switched on when the MAX MIN key was first pressed To exit the MAX MIN mode press and hold the MAX MIN key for at least 1 5 seconds The meter will beep the REC MAX MIN icons will switch off the memory will clear and the meter will return to the normal operating mode Display Backlight To turn the display backlight ON or OFF press and hold the backlight w key for at least 1 5 seconds The meter will beep when switching the backlight ON or OFF unless the beeper is disabled as described in the Setup Mode section of this user guide 4 SDL350 EU EN V1 4 07 13 System Reset If the meter s keys become inoperable or if the display freezes the Reset button can be used to reset the instrument 1 Use a paper clip or similar item to momentarily press the reset button located on the lower right side of the instrument u
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