Extech Instruments AN340 User Manual Download Page 13

AN340-EU-EN V1.3    4/13 

13

Battery

 

Replacement

 

When

 

the

 

low

 

battery

 

icon

 

(B)

 

appears

 

on

 

the

 

LCD,

 

the

 

six

 

(6)

 

AAA

 

batteries

 

must

 

be

 

replaced.

 

The

 

battery

 

cover

 

is

 

located

 

on

 

the

 

back

 

of

 

the

 

meter.

 

1.

 

Open

 

the

 

rear

 

battery

 

compartment

 

by

 

first

 

removing

 

the

 

five

 

(5)

 

lower

 

screws.

 

2.

 

The

 

battery

 

compartment

 

cover

 

should

 

be

 

completely

 

removed

 

before

 

proceeding.

 

3.

 

Replace

 

the

 

six

 

(6)

 

1.5V

 

‘AAA’

 

batteries

 

ensuring

 

proper

 

polarity.

 

4.

 

Close

 

and

 

secure

 

the

 

battery

 

compartment

 

with

 

the

 

screws

 

before

 

attempting

 

to

 

use

 

the

 

meter.

 

 

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

 

devices

 

to

 

a

 

designated

 

collection

 

point

 

for

 

the

 

disposal

 

of

 

electrical

 

and

 

electronic

 

equipment.

  

 

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.

 

Shop for Data Logging products online at:   

www.

DataLoggerStore

.com   

1.877.766.5412

Summary of Contents for AN340

Page 1: ...USER GUIDE Mini Vane CMM CFM Anemometer Psychrometer Datalogger Model AN340 Shop for Data Logging products online at www DataLoggerStore com 1 877 766 5412 ...

Page 2: ...Please visit our website www extech com to check for the latest version of this User Guide Product Updates and Customer Support CAUTIONS Improper use of this meter can cause damage to the meter and personal injury Read and understand this user manual before operating the meter Inspect the condition of the probe and the meter for any damage before operating the meter Repair or replace damage before...

Page 3: ... 10 LW D A and down arrow button 11 Mini Vane impeller 12 Temperature and humidity sensors 13 Telescoping sensor arm Note Battery compartment not shown is located on rear of instrument Meter Top Description 1 Sensor connection jack 2 AC power adaptor jack 3 USB PC interface jack Keypad Description POWER ON OFF and SET button Press momentarily to power meter ON or OFF Press and hold for two 2 secon...

Page 4: ... In the Air Volume mode press this button to begin programming the AREA value for the duct under test This button is also used to move DOWN a menu list MEM RECALL button In the normal mode of operation press this button to manually record a reading into the meter s 99 location memory Press and hold for two 2 seconds to recall and review the manually recorded data one reading at a time and With the...

Page 5: ...ents o C F Temperature units TA Air Temperature RH Relative Humidity DP Dew point WBT Wet bulb VEL Velocity VOL Volume HOLD Display HOLD feature rh Relative Humidity unit of measure m s Meters per second ft m Feet per minute CFM Cubic feet per minute CMM Cubic meters per minute REC Record RECALL Recall AM PM Morning Evening time B Low Battery 8888 8 Main larger and upper display digits 88 88 88 Ti...

Page 6: ... temperature Note that for air volume measurements the user must first enter the area value for the duct under test before accurate readings can be made Refer to the AREA section of this guide for programming details and to the Appendix for additional information on area measurements calculations and unit conversions 7 When measuring air must enter the vane on the side of the sensor with the print...

Page 7: ...ng encountered since the mode was accessed 2 Press AVG MAX MIN again to display the maximum reading encountered The MAX icon will appear on the LCD and the reading displayed indicates the highest reading encountered 3 Press AVG MAX MIN again to display the average of all reading encountered The AVG icon will appear on the LCD 4 Press AVG MAX MIN again and the display will return to displaying real...

Page 8: ...d software program in order for the readings to be read and analyzed 1 Press and hold the START ESC button for two 2 seconds to start the datalogger Readings will be logged at the sampling rate selected by the user in the SETUP mode The REC icon will flash while the meter is automatically logging 2 All parameters velocity volume dew point wet bulb and humidity will be logged regardless of which pa...

Page 9: ... more information From the normal operating mode use the MODE button to scroll to the Air Volume mode Use the LW D A button to select the method LW LENGTH x WIDTH for rectangular ducts D DIAMETER for circular ducts or A AREA if the area value is known The display icons L D and A inform the user as to which mode is selected LENGTH x WIDTH Area Mode When the L is shown at the top of the LCD the mete...

Page 10: ...rate air volume flow in CMM CFM units Entering the AREA Value Manually When the A is shown at the top of the LCD the meter is ready to accept an Area value directly in square centimeters or square inches cm 2 or inch 2 Note Use the LW D A button from the Air Volume measurement mode to access the A screen if necessary Use the button ONLY to change the value of the flashing digit pressing the down a...

Page 11: ...ow keys to step to another parameter or press ESC to exit the SETUP mode P20 CLR 99 Reading Memory Clear 1 Once in the setup mode at the P20 CLR display momentarily press the ENTER button to access the P20 menu 2 The word NO or YES will be flashing Use the arrow keys to select NO do not erase data or YES erase data When the desired command is shown press the ENTER button to execute the command If ...

Page 12: ...w RTC again and the lower display the time in HH MM SS format The HH digits should now be flashing Use the arrow buttons to select the current hour and then press ENTER to confirm 7 The MM digits should be flashing Use the arrow buttons to select the current minute and then press ENTER to confirm 8 The SS digits should now be flashing Use the arrow buttons to select the seconds and then press ENTE...

Page 13: ...ver 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 devices to a designated collection point fo...

Page 14: ... F 32 to 122 F 2 2 F below 32 F above 122 F Circuit Custom LSI microprocessor Display Dual function 32 5 H x 54 W mm 1 3 x 2 1 LCD Sampling rate 1 reading per second approx Air velocity flow sensor Angled mini vane arms with low friction ball bearing Sensors NTC type precision thermistors Automatic Power off Auto shut off after 20 minutes to preserve battery life sleep mode Operating Temperature 0...

Page 15: ...w range limit Test the meter in an environment known to be within acceptable meter limits If error persists send the unit to Extech for repair E3 Error No field solution Return the unit to Extech Instruments for repair E4 Error The reading is higher than the high range limit Test the meter in an environment known to be within acceptable meter limits If error persists send the unit to Extech for re...

Page 16: ...508 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 Copyright 2013 FLIR Systems Inc All rights reserved including the right of reproduction in whole or in part in any form ISO 9001 Certified www extech com Area A Length L x Width W CFM ft 3 min Air Velocity ft min x Area ft 2 CMM m 3 min Air Velocity m sec x Area m...

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