Large Vane CFM/CMM Thermo-Anemometer
Contents
1. EXTECH USER GUIDE INSTRUMENTS Large Vane CFM CMM Thermo Anemometer Model AN300 Introduction Congratulations on your purchase of the Extech AN300 Vane Airflow Anemometer This instrument measures Air Velocity Air Flow volume and Air Temperature The large easy to read backlit LCD includes primary upper and secondary lower displays plus numerous status indicators The optional cone and funnel airflow adaptors allow for quick volume measurements This meter 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 Product Updates and Customer Support CAUTIONS e Improper use of this meter can cause damage to the meter and personal injury Read and understand this user manual before operating the meter e Inspect the condition of the probe and the meter for any damage before operating the meter Repair or replace damage before use e If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired e This device should not be made available to children It contains hazardous objects as well as small parts that can be accidentally swallowed The meter s batteries and packing material can also be dangerous to children e Inthe event that the meter is to be unused for an extended p2. dix for area calculations and then enter the area value in the meter s SETUP mode in in or cm After the area value has been entered press the L mode button to switch the lower display from Air Temperature to Air Volume Place the meter in the air stream to measure volume 8 Optionally measure Air Volume with an airflow cone adaptor by first attaching one of the adaptors to the meter the optional cone adaptor kit includes a round and a square cone kit part number AN300 C The meter will automatically recognize the adaptor and the INSERT Cone Shape prompt will appear on the LCD the adaptor icon will also appear Select round or square using the meter s keypad Note that regardless of the AREA setting in the SETUP mode the meter will default to the dimensions of the attachment Square 356 x 346mm 13 6 x 13 6 Round 210mm 8 3 diameter NOTE Ensure that the airflow adaptor is well mounted and locked before taking measurements LCD backlight Press the U mode button to switch ON the LCD backlight The backlight will automatically switch OFF after approximately 10 seconds to conserve battery power Note that the backlighting switches ON automatically when the meter is switched ON by the user 6 AN300 en GB_v1 3 11 15 Data Hold Mode 1 2 3 Press the HOLD button from the normal operating mode to freeze the current measurement The HOLD icon will appear at the top of the LCD display Press HOLD again
3. e m s ft min knots km h MPH 1 m s 1 196 87 2 24 1 ft min 0 00508 1 0 01138 1 knot 0 5144 101 27 1 1523 1km h 0 2778 54 69 0 6222 1 MPH 0 4464 87 89 0 8679 1 6071 1 Copyright 2014 2015 FLIR Systems Inc All rights reserved including the right of reproduction in whole or in part in any form www extech com 12 AN300 en GB_v1 3 11 15
4. eriod of time remove the batteries to protect against battery leakage e Expired or damaged batteries can be hazardous if allowed to come in contact with skin Use suitable hand protection in such cases e Do not short circuit batteries or put batteries in fire 2 AN300 en GB_v1 3 11 15 Descriptions Meter Description front Top line LCD display reading Bottom line LCD display reading U mode AVG and up arrow button L mode and down arrow button ON OFF Power and SET button HOLD MAX MIN and left arrow Enter button Unit of measure symbol for lower display row Unit of measure symbol for upper display row SON 008 MO Ge en Re Air Velocity Vane Meter Description rear 10 Air temperature sensor 11 Battery compartment 3 AN300 en GB_v1 3 11 15 Brief Keypad Description SET HOLD MAX MIN U mode AVG L mode v Press momentarily to switch the meter ON or OFF Press and hold this button for 2 seconds to enter or exit the Setup mode refer to SETUP mode section for details o Press momentarily to freeze the displayed reading HOLD icon switches ON press again momentarily to exit the HOLD mode HOLD icon switches OFF o Press and hold for 2 seconds to display the MIN minimum reading press and hold again to display the MAX maximum reading Press and hold a third time to exit o This button is also used in the AVERAGE mode for recording readings one at a time or for a
5. is known to be within the specified range limits Send the unit to Extech for repair if the E03 error message persists Air volume E03 Reading exceeds the meter s display limit Check that the AREA setting is correct in the Setup Mode E04 Air velocity error Return the meter to Extech if the error message persists Other Errors E32 Memory IC error Reboot the meter and check it again send it to Extech Instruments for repair if the error message persists No display 1 Check that the batteries are making good contact and are aligned for correct polarity 2 Replace batteries Display switches OFF automatically This symptom could be the normal Sleep Mode which switches the meter OFF after 20 minutes of in activity If this is not the Sleep Mode check whether the low battery indicator appears before the LCD attempts to switch ON if yes replace the batteries 11 AN300 en GB_v1 3 11 15 Appendix Useful Equations and Conversions Area equation for rectangular or square ducts Height H Area A Width W x Height H Width W Area equation for circular ducts Area A pi x r Where pi 3 14 and r radius x radius Cubic equations CFM ft min Air Velocity ft min x Area ft CMM m min Air Velocity m sec x Area m x 60 NOTE Measurements made in inches or centimeters must be converted to feet or meters before using these formulae Unit of Measure Conversion Tabl
6. nsions 0 6 C 20 to 50 C 1 2 C 51 to 60 C 1 1 F 5 to 122 F 2 2 F 123 to 140 F 20 to 60 C 4 to 140 F 0 1 C F Custom LSI microprocessor Dual function 13 mm 0 5 4 digit LCD 1 reading per second approx Conventional angled vane arms with low friction ball bearing NTC type precision thermistor Auto shut off after 20 minutes to preserve battery life sleep mode 0 C to 50 C 32 F to 122 F 10 to 50 C 14 to 122 F lt 80 RH lt 90 RH 2000 meters 7000ft maximum Four 4 AAA 1 5V batteries gt 40 hours 8 3 mA DC approx 725g 1 6 Ibs including battery and probe Main instrument 269 x 106 x 51mm 10 6 x 4 2 x 2 Vane inner diameter 100mm 3 94 inches Optional Air Flow Adaptors Round cone 210mm 8 3 Diameter Square 346 x 346mm 13 6 x 13 6 10 AN300 en GB_v1 3 11 15 Error Messages Error codes and solutions Air Temperature E02 Temperature reading is lower than the low range limit Place the meter in room temperature for 30 minutes If E02 continues send the unit to Extech for repair E03 Temperature exceeds the high range limit Place the meter in room temperature for 30 minutes If E03 continues to appear send the unit to Extech for repair E31 The A to D converter requires replacing Send the meter to Extech Instruments for repair Air velocity E03 Velocity exceeds the high range limit Test the meter using an air velocity that
7. o take and store another reading the memory location number will increment by one and the current reading will be stored in this new memory location The meter can store up to 19 999 points in memory Press U mode momentarily to see the multi point mean average for all of the readings recorded during the session the AVG display icon will flash during this process Press L mode to view the average reading for the other available parameters Press U mode momentarily to return to the normal operating mode Timed Average Mode 1 From the normal operating mode press and hold the U mode button for 2 seconds to enter the Multi Point Average mode first and then press U mode one more time momentarily to enter the Timed Average Mode the AVG and the elapsed timer O icons will switch ON Press HOLD to begin recording The elapsed timer starts as shown on the upper display digits and the clock icon flashes on and off The longest amount of time the meter can operate in Timed Average Mode is 19 999 seconds Press U mode to stop the clock and to calculate the timed average The upper LCD will display the elapsed time and the lower LCD will show the averaged readings The LCD will flash the AVG and the elapsed timer icons Press L mode to view the average for other available measurements Press U mode to return to the normal operating mode 7 AN300 en GB_v1 3 11 15 Setup Mode Entering Setup Mode Press and hold the SET button for 2
8. seconds to enter Setup mode Two options are available P1 0 Unit and P2 0 AREA Use the up down buttons to toggle between P1 0 UNIT and P2 0 AREA options P1 0 Unit Selection 1 Once in setup mode at the P1 0 UNIT display momentarily press the HOLD button to enter the P1 0 UNIT menu Use the down up arrow buttons to switch between metric and imperial units The available units are air velocity m s fom temperature C F air volume CMM CFM and area size cm inch Press HOLD momentarily to return to the P1 0 display Press either arrow button to move to the P2 0 AREA option and follow the steps below P2 0 Area Size Selection enter square inches or square centimeters F In setup mode from the P2 0 AREA display press HOLD to enter the AREA setting menu The LCD will show 99999 in the lower display with the left most digit flashing Use the up arrow button change the flashing digit from 0 through 9 Use the down arrow button to move to the next digit Use the up arrow button again to change the flashing digit Continue in this way until the desired AREA value is displayed Press the Hold button again momentarily to store the value and to return to the P2 0 display Press and hold the POWER SET button for 2 seconds to return to the normal operating mode 8 AN300 en GB_v1 3 11 15 Battery Replacement When the low battery icon q__ appears on the LCD the four 4 1 5V AAA batteries mus
9. t be replaced 1 Open the rear battery compartment by carefully pulling down on the compartment s latch 2 The battery compartment cover should be completely removed before proceeding 3 Replace the four 4 1 5V AAA batteries ensuring proper polarity 4 Close the battery compartment before attempting to use the meter EU users are legally bound by the Battery Ordinance to return used batteries to community collection points or wherever batteries accumulators are sold Disposal in household trash or refuse is prohibited ma Disposal Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle Other Battery Safety Reminders o Never dispose of batteries in a fire Batteries may explode or leak o Never mix battery types Always install new batteries of the same type 9 AN300 en GB_v1 3 11 15 Specifications m s meters per second 0 2 30 m s 0 01 m s 1 5 rdg 0 3 m s fpm feet per minute 40 5900 fpm 1 5 rdg 59 fpm 2 CMM cubic meters min CFM cubic ft min 0 1 up to 9999 9 then 1 0 0 99999 m min 0 to 99999cm 0 1 up to 9999 9 y 0 to 99999in 0 99999 ft min then 1 0 Circuit Display Sampling rate Air velocity flow sensor Temperature sensor Automatic Power off Operating Temperature Storage Temperature Operating Humidity Storage Humidity Operating Altitude Battery Power Battery Life Battery consumption Weight Dime
10. t shown Available units of measure icons vary by model 5 AN300 en GB_v1 3 11 15 Operation Air Velocity Volume and Temperature Measurements 1 Switch the meter ON by pressing the POWER button momentarily Press the POWER button again to switch the meter OFF 2 Note that the meter will automatically enter the sleep mode after 20 minutes of inactivity To disable this feature with the meter OFF press and hold the POWER and the U mode buttons for 2 seconds The LCD will display n as the meter switches ON Now the sleep mode is disabled and the user must press the POWER button momentarily to switch the meter OFF 3 When the meter is ON the air velocity reading is displayed on the upper display digits in meters per second m s or feet per minute fpm The lower display area can show Air Volume CMM CFM or Air Temperature C F readings use the L mode button to toggle between the two Note that an area measurement must be programmed into the meter in the SETUP mode before accurate volume measurements can be made 4 Place the meter s vane in the air stream The air must enter the vane from the rear of the meter The temperature sensor is located at the center of the vane on the rear of the meter 5 Read the measurement data on the LCD 6 To change between Imperial and Metric units of measure refer to the SETUP mode section 7 To measure the Air Volume of a duct first measure the duct s area see the Appen
11. timed recording session and in the SETUP mode for configuring the meter Please review the AVERAGE and SETUP mode sections for details Press and hold for 2 seconds to access the Multi Point Average and Timed Average modes the AVG icon switches ON Detailed instructions for these modes are provided later in this guide In the Setup mode press to select a category or to increase a value refer to SETUP mode section Press to toggle the lower display between air temperature and air volume readings Also used in the Multi Point Average Timed Average and Setup modes refer to the AVERAGE and SETUP modes sections later in this guide U mode AVG A With the meter switched OFF press and hold these two buttons to disable Auto Power OFF Detailed AUTO POWER OFF Sleep mode instructions are provided later in this guide 4 AN300 en GB_v1 3 11 15 Display Description 1 Lower Display digits air volume air temperature timer or menu parameter displays 2 Upper Display digits air velocity or menu display parameters 3 Optional Cone and Funnel attachment icons 4 Units of measure for duct area programming 5 Vane indicator flashes very briefly on power up 6 Display HOLD icon 7 8 10 11 12 7 MAX mode icon i 8 MIN mode icon 6 HOLDMAX MIN CAVGLI m s fpm 13 9 Recording icon ppm h RH 10 Elapsed Timer icon ra Guu 11 AVG mode icon CFM z WBT 12 Battery status icon DP 13 Unit of measure icons Full lis
12. to return to normal operation The HOLD icon will switch OFF and the meter will return to displaying readings in real time MAX MIN Mode The MAX MIN feature records the highest MAX and lowest MIN readings captured since the meter was switched ON 1 5 Press and hold the MAX MIN button for 2 seconds to begin displaying the lowest minimum readings encountered since this mode was accessed The MIN icon will appear at the top of the LCD display indicating that the readings shown are the lowest measured Press and hold the MAX MIN button again for 2 seconds to display the maximum readings encountered The MAX icon will appear on the LCD Press and hold this button again for 2 seconds to return to the normal mode of operation the MIN and MAX icons should switch OFF While viewing the MAX or MIN data use the L mode button to switch the display so that the Air Volume MIN and MAX readings can be viewed also Press and hold MAX MIN for 2 seconds to return to the normal operation mode Multi Point Average Mode 1 4 5 From the normal operating mode press the U mode button for 2 seconds to enter Multi Point Average mode the AVG display icon and the associated black dot will switch ON Press the HOLD button momentarily to record one reading The upper display digits will show the reading s memory location number and the lower display will show the measured value Press the HOLD button again t
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