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AN100-en-GB_V3.6   6/18 

Introduction 

Congratulations on your purchase of the Extech AN100 CFM/CMM Thermo Anemometer. This 
instrument measures Air Velocity, Air Flow (volume) and Temperature. The large, easy-to-read 
backlit LCD includes primary and secondary displays plus numerous status indicators. The 
meter is shipped fully tested and calibrated and with proper use will provide years of reliable 
service. 

 

Descriptions 

 

 

 

1.

 

LCD Display 

2.

 

Vane Probe 

3.

 

Rubber Meter Jacket 

4.

 

Meter 

5.

 

Power On/Off Button 

6.

 

Area Button 

7.

 

AVG (Average) Button 

8.

 

Backlight Button 

9.

 

Temperature Buttons (see 11 & 12) 

10.

 

Airflow/Velocity Buttons (see 13 - 16) 

11.

 

MAX-MIN button for TEMPERATURE mode 

12.

 

°C °F units and HOLD for TEMPERTAURE functions

 

13.

 

MAX-MIN button for AIR VELOCITY/AIR FLOW (also used as left arrow button) 

14.

 

UNITS for AIR VELOCITY/AIR FLOW mode (also used as up arrow button) 

15.

 

HOLD for AIR VELOCITY/AIR FLOW mode (also used as right arrow button) 

16.

 

NEXT button for AIR VELOCITY/AIR FLOW mode 

 

 

See next section for additional keypad description information. 

 

Battery compartment is located on rear of instrument, rubber meter jacket must be removed to 
access battery compartment 

 

www.

GlobalTestSupply

.com

Find Quality Products Online at:

[email protected]

Summary of Contents for AN100

Page 1: ...USER MANUAL CFM CMM Thermo Anemometer Model AN100 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 2: ...verage Button 8 Backlight Button 9 Temperature Buttons see 11 12 10 Airflow Velocity Buttons see 13 16 11 MAX MIN button for TEMPERATURE mode 12 C F units and HOLD for TEMPERTAURE functions 13 MAX MIN button for AIR VELOCITY AIR FLOW also used as left arrow button 14 UNITS for AIR VELOCITY AIR FLOW mode also used as up arrow button 15 HOLD for AIR VELOCITY AIR FLOW mode also used as right arrow bu...

Page 3: ...in to unlock display This button also functions as the RIGHT scroll button in AREA mode and RECALL mode AREA Press and hold to manually enter the area of a duct in CFM or CMM mode NEXT In AREA mode used to select memory locations 1 8 Press to turn the backlight on off MAX MIN Temperature Used to record and store the highest lowest readings for air temperature C F HOLD Temperature Press to freeze t...

Page 4: ...emperature function and RH function oC oF Temperature units of measure CFM CMM airflow units of measure Ft2 m2 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...

Page 5: ...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 2 Take a measurement and press the AVG button A single beep will sound and the HOLD icon will ap...

Page 6: ...ity 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 AREA button until meter beeps twice A memory location number will appear in the top right of the display indicating the memory location 2 Push the NEXT button to scroll thru ...

Page 7: ...user to record and view the highest MAX lowest MIN and average AVG readings 1 Press the Airflow Velocity MAX MIN button The MAX indicator and RECORD indicator along with the Max reading will appear on the LCD display and the meter will begin keeping track of the MAX MIN and Average values 2 Press the MAX MIN button again to view the minimum reading The MIN indicator along with the minimum reading ...

Page 8: ...e remove the battery and store separately Never dispose of used batteries or rechargeable batteries in household waste As consumers users are legally required to take used batteries to appropriate collection sites the retail store where the batteries were purchased or wherever batteries are sold Disposal Do not dispose of this instrument in household waste The user is obligated to take end of life...

Page 9: ...ing rate 1 reading per second approx Sensors Air velocity flow sensor Conventional angled vane arms with low friction ball bearing Temperature sensor NTC type precision thermistor Automatic Power off Auto shut off after 20 minutes to preserve battery life Operating Temperature 0 C to 50 C 32 F to 122 F Storage Temperature 10 to 60oC 14 to 140oF Operating Humidity 80 RH Storage Humidity 80 RH Opera...

Page 10: ...Table m s ft min knots km h MPH 1 m s 1 196 87 1 944 3 6 2 24 1 ft min 0 00508 1 0 00987 0 01829 0 01138 1 knot 0 5144 101 27 1 1 8519 1 1523 1 km h 0 2778 54 69 0 54 1 0 6222 1 MPH 0 4464 87 89 0 8679 1 6071 1 Width W Height H Area A Width W x Height H CFM ft3 min Air Velocity ft min x Area ft2 CMM m3 min Air Velocity m sec x Area m2 x 60 Radius Area A π x r2 Where π 3 14 and r2 radius x radius w...

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