User's Manual CFM/CMM Thermo Anemometer
Contents
1. Note In the standard velocity measuring mode press the AVG button once to recall the previous average The average will be cleared when you enter the Averaging Mode again 5 AN100 EU V3 0 11 07 Data Hold Air Velocity Air Flow 1 While taking measurements press the HOLD button to freeze the air velocity air flow reading 2 The HOLD indicator will appear in the bottom of the LCD display 3 Press HOLD again to return to normal operation MAX MIN AVG Record Air Velocity Air Flow This allows the user to record and view the highest MAX lowest MIN and average 6 AN100 EU V3 0 11 07 Battery Replacement When E appears on the LCD the 9V battery must be replaced Disconnect the sensor Remove the meter s rubber protective jacket Use a Phillips screwdriver to open the rear battery compartment Replace the 9V battery Close the battery compartment and replace the meter s protective jacket ot Ra e You as the end user are legally bound Battery ordinance to return all used batteries and accumulators disposal in the household garbage is prohibited You can hand over your used batteries accumulators gratuitously at the collection points for our branches in your community or wherever batteries accumulators are sold Disposal Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle WARNING To avoid electric shock do not operate the meter until the battery cover2. Note In the standard velocity measuring mode press the AVG button once to recall the previous average The average will be cleared when you enter the Averaging Mode again 4 AN100 EU V3 0 11 07 Air Flow Measurements CMM CFM 1 2 Turn on the meter using the O ON OFF button Press the UNITS button to select the desired air flow units CMM cubic meters per minute or CFM cubic Side view of Vane feet per minute NOTE At power up the meter will Arrow display the last unit of measure previously entered a To begin entering the area in m or ft press and lt airflow hold the AREA button until it beeps twice The leftmost digit of the bottom display will begin to flash Use the A UP button to change the flashing digit Use the lt LEFT button to move the decimal Use gt RIGHT button to select the other digits After all of the digits are entered press and hold the AREA button until meter beeps twice to save the area into memory and return to CFM or CMM measuring mode Place the sensor in the air stream Ensure that the air enters the vane as indicated by the arrow sticker placed inside the vane Refer to the diagram The large main LCD display shows the Air Velocity reading The upper right LCD sub display shows the temperature reading The meter has 16 memory locations 8 for CFM and 8 for CMM that can be used to store commonly used area sizes that you can recall at anytime 1 Press the ARE
3. is in place and fastened securely NOTE If your meter does not work properly check the fuses and batteries to make sure that they are still good and that they are properly inserted 7 AN100 EU V3 0 11 07 Specifications Air Velocity Resolution Range Accuracy m s meters per sec km h kilometers hour ft min feet per minute mph miles per hour knots nautical MPH CFM cubic ft min Air Temperature CMM cubic meters min 0 40 30 00 m s 1 4 108 0 km h 80 5900 ft min 0 9 67 0 mph 0 8 to 58 0 knots 0 01 m s 3 0 20 m s 0 1km h 3 0 8 km hr 1 ft min 3 40 ft m 3 0 4 MPH 0 1 knots 3 0 4 knots Resolution 0 9999 m min 1 0 9999 ft min 1 Resolution 0 1 F C 0 to 9 999m 0 to 9 999 ft Accuracy 4 0 F 2 0 C 14 140 F 10 60 C Circuit Display Sampling rate Sensors Automatic Power off Operating Temperature Storage Temperature Operating Humidity Storage Humidity Operating Altitude Battery Battery life Battery Current Weight Dimensions Custom LSI microprocessor circuit Dual function 0 5 13 mm 4 digit LCD 1 reading per second approx Air velocity flow sensor Conventional angled vane arms with low friction ball bearing Temperature sensor NTC type precision thermistor Auto shut off after 20 minutes to preserve battery
4. life 32 F to 122 F 0 C to 50 C 14 to 140 F 10 to 60 C lt 80 RH lt 80 RH 2000 meters 7000ft maximum One 9 volt NEDA 1604 battery 80 hours approx if the Backlight is used continuously battery life will be reduced significantly 8 3 mA DC approx 1 6 Ibs 725g including battery amp probe Main instrument 7 0 x 2 9 x1 2 178 x 74 x 33mm Sensor Head 2 75 70mm Diameter Copyright 2007 Extech Instruments Corporation All rights reserved including the right of reproduction in whole or in part in any form 8 AN100 EU V3 0 11 07 Useful Equations and Conversions Area equation for rectangular or square ducts Area A Width W x Height H Area equation for circular ducts Area A N xr X Cubic equations NOTE Measurements made in inches must be converted to feet or meters before using the above formulae Unit of Measure Conversion Table m s ft min knots km h MPH airc ncern Extech AN100 Phone 01235 838 555 E mail cs OC airconcern co uk web www airconcern co uk
5. A button until meter beeps twice A memory location number will appear in the top right of the display indicating the memory location Push the NEXT button to scroll thru and select the desired location Once you have selected the desired memory location enter your dimension Use the A UP button to change the flashing digit Use the lt LEFT button to move the decimal Use gt RIGHT button to select the other digits After all of the digits are entered press and hold the AREA button until it beeps twice to save the area into memory and return to CFM or CMM measuring mode To select and use a previously stored dimension press and hold the AREA button until it beeps twice Press NEXT to scroll thru the 8 memory locations Press and hold the AREA button until it beeps twice to return to CFM or CMM measuring mode Air Flow Averaging Mode 1 To enter 20 Point Averaging Mode press and hold the AVG button until it beeps twice The AVG icon will be displayed Take a measurement and press the AVG button A single beep will sound and the HOLD icon will appear in the display The average reading will be displayed and number of readings measured will appear in the upper right hand corner of the display After 5 seconds the display will return to the current reading Repeat steps 2 3 until the desired number of points have been measured To return to standard airflow measuring mode press and hold AVG button until meter beeps twice
6. EXTECH INSTRUMENTS CFM CMM Thermo Anemometer Model AN100 AN100 EU V3 0 11 07 Display Layout ggg CFM gt D CMM ftimin se km h 2 gt Db MPH AULE MAX MIN AVG HOLD MAX top of LCD Max Hold function engaged for the Air Temperature function HOLD top of LCD Data Hold function engaged for the Air Temperature function VEL indicates that meter is in air velocity mode FLOW indicates that meter is in air flow mode MAX bottom of LCD Max Hold for the IR Temperature and RH function HOLD bottom of LCD Data Hold for the IR Temperature function and RH function C F Temperature units of measure CFM CMM airflow units of measure Ft m units for area dimensions m s ft min km h MPH knots air velocity units of measure X10 X100 multipliers for air flow readings AVG air averaging mode RECORD indicates that min max function is running top for temp bottom for air Large LCD digits at center of display for Relative Humidity and IR Temperature Smaller LCD digits at top right of display for Probe Temperature Low battery indicator 3 AN100 EU V3 0 11 07 Operation Connecting the Vane 1 The vane plug is inserted in the meter s sensor jack at the top of the meter The plug and jack are keyed so that the plug can only fit in the jack one way 2 Turn the plug carefully until it lines up with the jack and then f
7. irmly push the plug in place Do not apply undue force or try to twist the plug side to side 3 Ifthe vane is not connected to the meter or if the sensor is defective the LCD display will indicate OL in place of a Temperature reading Air Velocity Measurements Single Point Side view of Vane 1 Turn on the meter using the ONIOFFO button 2 Press UNITS button to select the desired unit of Arrow measure NOTE At power up the meter will display the last unit of measure previously e entered 3 Place the sensor in the air stream Ensure that lt Airflow the air enters the vane as indicated by the arrow sticker placed inside the vane 4 View the readings on the LCD Display The large main LCD display shows the Air Velocity reading The upper right LCD sub display shows the temperature reading Air Velocity Averaging Mode 1 To enter 20 Point Averaging Mode press and hold the AVG button until it beeps twice The AVG icon will be displayed Take a measurement and press the AVG button A single beep will sound and the HOLD icon will appear in the display The average reading will be displayed and number of readings measured will appear in the upper right hand corner of the display After 5 seconds the display will return to the current reading Repeat steps 2 3 until the desired number of points have been measured To return to standard velocity measuring mode press and hold AVG button until meter beeps twice
Download Pdf Manuals
Related Search