Amprobe TMA40-A User manual

TMA40-A
Airflow Anemometer
Users Manual
For detailed specifications and ordering info go to www.TestEquipmentDepot.com
For detailed specifications and ordering info go to www.TestEquipmentDepot.com
For detailed specifications and ordering info go to www.TestEquipmentDepot.com

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English
TMA40-A
Airflow Anemometer
Users Manual
TMA40-A_Rev002
© 2009 Amprobe Test Tools.
All rights reserved.

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Limited Warranty and Limitation of Liability
Your Amprobe product will be free from defects in material and workmanship for 1 year from the
date of purchase. This warranty does not cover fuses, disposable batteries or damage from accident,
neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling.
Resellers are not authorized to extend any other warranty on Amprobe’s behalf. To obtain service
during the warranty period, return the product with proof of purchase to an authorized Amprobe
Test Tools Service Center or to an Amprobe dealer or distributor. See Repair Section for details.
THIS WARRANTY IS YOUR ONLY REMEDY. ALL OTHER WARRANTIES - WHETHER EXPRESS, IMPLIED
OR STAUTORY - INCLUDING IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR
MERCHANTABILITY, ARE HEREBY DISCLAIMED. MANUFACTURER SHALL NOT BE LIABLE FOR ANY
SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, ARISING FROM ANY
CAUSE OR THEORY. Since some states or countries do not allow the exclusion or limitation of an
implied warranty or of incidental or consequential damages, this limitation of liability may not apply
to you.
Repair
All test tools returned for warranty or non-warranty repair or for calibration should be accompanied
by the following: your name, company’s name, address, telephone number, and proof of purchase.
Additionally, please include a brief description of the problem or the service requested and include
the test leads with the meter. Non-warranty repair or replacement charges should be remitted in the
form of a check, a money order, credit card with expiration date, or a purchase order made payable
to Amprobe® Test Tools.
In-Warranty Repairs and Replacement – All Countries
Please read the warranty statement and check your battery before requesting repair. During the
warranty period any defective test tool can be returned to your Amprobe® Test Tools distributor for
an exchange for the same or like product.
Non-Warranty Repairs and Replacement – US and Canada
Non-warranty repairs in the United States and Canada should be sent to a Amprobe® Test Tools
Service Center. Call Amprobe® Test Tools or inquire at your point of purchase for current repair and
replacement rates.

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➊Fan probe with built-in temperature and
humidity sensors
➋Tripod mounting screw
➌LCD display
➍DC adaptor jack
➎USB port
➏Function Keys
F1: Press for measurement mode
F2: Press to access the memory
F3: Press to access the log files
F4: Press to enable/disable auto
power off, set data and time, and set
parameters to record.
➐Keypad
1SYM stands for ”1,*,.,:,$,+,-,=”
2ABC stands for ”2,a,b,c,A,B,C”
3DEF stands for”3,d,e,f,D,E,F”
4GHI stands for”4,g,h,i,G,H,I”
5JKL stands for”5,j,k,l,J,K,L”
6MNO stands for”6,m,n,o,M,N,O”
7PQRS stands for”7,p,q,r,s,P,Q,R,S”
8TUV stands for”8,t,u,v,T,U,V”
9WXYZ stands for”9,w,x,y,z,W,X,Y,Z”
0 |__| stands for”0 and space”
: Press to turn on and off the backlight
: Press to shift the cursor to previous
: Press to shift the cursor to next
ON/OFF: Press to turn the unit on and
off
F1 F2 F3 F4
1 SYM. 2 ABC DEF 3
4 GHI 5 JKL MNO 6
7 PQRS 8 TUV WXYZ 9
ON/OFF
0
MEAS: Normal (Single)
measurement
MEM : Manual record(99 points)
measurement
LOG : Automatic record (Logger)
measurement
SET : Logger, Unit, real time,
other setting
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5
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TMA40-A
Airflow Anemometer
CONTENTS
Introduction.........................................................................................................................................5
Unpacking and inspection .................................................................................................................5
Operation ............................................................................................................................................5
Meter setting: SET (See Fig.2) .......................................................................................................5
Meter Screen Description (See Figs 2&3)......................................................................................5
Single Measurement: MEAS (See Fig. 3).......................................................................................6
Multiple Measurement: MEM (See Fig. 4)....................................................................................6
Automatic Logging: LOG (See Fig. 5) ...........................................................................................6
Comparison Table................................................................................................................................7
Technical Specifications ....................................................................................................................8
Software Operation ............................................................................................................................8
Troubleshooting..................................................................................................................................9

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INTRODUCTION
This meter is designed with three measurement modes:
Single point measurement
1.
Multiple points measurement (Manual record)2.
Automatic Logging3.
Measuring/programming anywhere at any time•
User friendly interface•
USB cable and software enable to link with PC for downloading and uploading•
Backlight function•
Tripod mountable for long time use•
Power off time selectable•
Big Dot matrix LCD•
Powered by 4-pcs AAA batteries or 9V adaptor (not included) (Plug: outer:5.5mm;•
Inner:2.1mm; Center positive) 0.05mA minimum
UNPACKING AND INSPECTION
Your shipping carton should include:
1 x TMA40-A Airflow Anemometer
4 x AAA Battery
1 x USB Cable
1 x CD Download Suite
1 x Carrying case
OPERATION
Meter setting: SET (See Fig.2)
Press F4 to enter the meter setting•
Press• or key to shift the cursor
Press EDIT to enter modification mode•
Press NEXT/BACK to enter the next or previous page.•
Press EXIT to return to main menu.•
Meter Screen Description (See Figs 2&3)
LCD Cont.(1-5): LCD brightness. From darkest 1 to brightest 5.1.
Auto Off: Selectable 1 to 20 minutes.2.
Set clock: Choose date and time. Press EDIT to enter the month. Press NEXT to accept or3.
ABORT to cancel. Repeat for day, year, hour, minute and second.
Set ID: Press EDIT to enable or disable ID.4.

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ID: Press EDIT to enter the user id. Use the keypad to enter the information.5.
Note: To calculate air volume, first enter the value of the air source area. Three choices are
available: length X width (rectangle); Diameter(Circle); and Area.
Range from 0~300cm (Rectangle and Circle and 0~90000sq.cm for area.
Single Measurement: MEAS (See Fig. 3)
Press F1 to enter the single measurement mode.•
Press F2 to select the type of input•
Press ESC to return to previous menu•
Multiple Measurement: MEM (See Fig. 4)
In this mode, you can manually record what you measure in real time and attach a file name
with the recording. There is a total of 99 memory locations in this mode.
Press F2 to enter the multiple measurement mode.•
Press F2(MEAS) to start a measurement.•
Press ABORT(F1) to cancel the measurement .•
Press SAVE(F4) to save the recording.•
Press F3(EDIT) to edit the file name of the recorded value. Use the keys to enter the name.•
Press and hold to move from one character to another. Release the key to select the desired
character.
Press CLR(F2) to delete a selected character.•
Press and hold CLR(F2) for over 2 seconds to delete the whole memory.•
Automatic Logging: LOG (See Fig. 5)
In this mode, you can automatically record what you have set up before a real time
measurement.
Press F3(LOG) to enter the LOG mode.•
Press SET(F3) to set up the parameters for the recording.•
Press• keys to select a parameter.
Press EDIT to modify begin date, start time, End date, suspend time, and the rate ( 1 to 200•
seconds).
Expect is 2400 points(total memory) and remain (remaining memory) will be calculated•
according to your setting.
Press NEXT•
Press START to begin the logging session•
Press VIEW to see the recording data•
Press MEAS to see the real time data measurement.•
Press ESC to return to previous screen.•
Press STOP to suspend the logging session.•

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Press NEXT•
Press P-PG(previous page) or N-PG (next page) to see the previous or the next 100 points.•
Press BACK•
Press EXIT to return to the main screen•
COMPARISON TABLE
Measurement Description Memory Point
Single point Single point measurement No Memory
Multi-Point File name editable
Multi-point measurement 99 points
Automatic Logging Programmable
Data logging function 2400 points
Multi-point measurement Data Logging
Record 99 points 2400 points
File Name Editable or Default with date
and time (Note 1) Default (Note 2)
Measuring/Sampling Press MEAS Key to measure
and store
Automatically measure and
store according to preset
parameters (Note 3)
Note 1: The recording file name will show current date and time as file name if the user doesn’t
edit any.
Example: ”05-06 09:21:51” means the recording was made on May 6th at 09:21:51 or June 5th
at 09:21:51 depending on your date mode setting.
Note 2: Each recording file will take the current date and time as file name.
Note 3: The meter will start and stop recording at the preset dates and times. If the preset time
is less than 24-hour and the end date is in the future, the meter will stop at the ending time
and restart again the next day until the ending date or until the memory is full.
a) Set the date and start time
b) Set the date and stop time
c) Set the sample rate
d) In order to record 24-hour a day, you must set START for 00:00:00 and SUSPEND for
23:59:59

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TECHNICAL SPECIFICATIONS
Temperature resolution 0.1°C (0.1°F)
Temperature response 30 seconds
Relative Humidity range 0 to 100%
RH accuracy ± 3% at 10% to 99%; ± 5% at all others
RH resolution 0.1%
RH response time 15 seconds
Wet Bulb range -22 to 70°C (-7.6°F to 158°F)
Wet Bulb resolution 0.1
Air Velocity range 0.4 to 32 m/s ( 1.3 to 105 ft/s)
Air Velocity accuracy ± 3%
Air Velocity Resolution 0.1 m/s (0.1 ft/s)
Air Velocity response time 1 second
Air Volume range 0 to 99999 (CFM or CMM)
Air Volume accuracy ± 3%
Air Volume resolution 0.1
Measurement with memory 99 points
Datalogging measurement 2400 points
Dimensions 165 X 70 X 53 mm ( 6.5 X 2.57 X 2.1 in)
SOFTWARE OPERATION

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-Insert the software CD into CD-ROM driver
-Install the USB driver first
-Install the software follow the on-screen instructions
-Open the program
-Click the “Port” from main screen and input the right comm. port.
-Click as follow to download the memory
Click to download manually recorded data.
1.
Click to download automatically recorded data2.
Click to download both manually & automatically recorded data3.
TROUBLESHOOTING
Power on but no display
Make sure the time of pressing ”ON/OFF” key is more than 0.2 seconds.•
Check the batteries are in place and make sure they are at good contact and correct polarity.•
Replace the batteries and try again .•
Display disappear
Check whether the low battery indicator is displayed on or before display disappears. If yes,•
replace the batteries .
Error code:
E2. Problem : Meter value is underflow .•
E3. Problem : Meter value is overflow.•
E4. Problem: Calculated source value occurs error.•