Amprobe TMA10A Manual de usuario

TMA10A

Anemometer

User Manual

ENG FRE SPA

GER ITA

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TMA10A

Anemometer

User Manual

6/2018, 6011186 Rev B

English

www.GlobalTestSupply.com

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Limited Warranty and Limitation of Liability

Your Amprobe product will be free from defects in material and

workmanship for one year from the date of purchase unless local

laws require otherwise. 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 the

behalf of Amprobe. To obtain service during the warranty period,

return the product with proof of purchase to an authorized Amprobe

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 STATUTORY

- 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 Amprobe 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.

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 distributor for an exchange for the

same or like product. Please check the “Where to Buy” section on

amprobe.com for a list of distributors near you. Additionally, in the

United States and Canada, in-warranty repair and replacement units

can also be sent to an Amprobe Service Center (see address below).

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TMA10A Anemometer/Thermometer

Contents

USING THE PUSHBUTTONS..................................................... 2

DISPLAY INDICATORS.............................................................. 3

MAKING MEASUREMENTS ..................................................... 4

Air Velocity Measurements ................................................ 4

Air Flow Measurements ..................................................... 4

Single Point MIN/MAX/AVG Recording ............................. 5

Multi Point Average Recording ......................................... 5

Data Hold Feature .............................................................. 6

Changing the Units of Measure......................................... 6

AUTO POWER OFF .................................................................. 7

ERROR MESSAGE DISPLAY......................................................7

USEFUL EQUATIONS AND CONVERSIONS ............................. 7

Cubic Equations .................................................................. 7

Units Conversion Table....................................................... 7

REPLACING THE BATTERY....................................................... 7

SPECIFICATIONS....................................................................... 8

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USING THE PUSHBUTTONS

VELOCITY

FREE AREA

VOLUMES

Please See Manual

For Operation

ON /OFF MODEHOLD

MIN MAX AVERAGE

SINGLE

POINT

MULTI-

POINT

ANEMOMETER THERMOMETER

Button Description

ON/OFF Turns the meter on and off.

MODE Toggle between velocity, free area, and volume.

HOLD Captures a reading. Sets digit to the desired value.

MIN MAX View the minimum or maximum. Average or record

value.

AVERAGE Display the average of all the measurements. Select

the next digit for editing.

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DISPLAY INDICATORS

Vel Air velocity measurement.

FLOW Air flow/air volumen.

AREA Free area default setting.

Hold Freezes the reading.

knots 1850 meters per hour.

ft/m Feet per minute.

ft2 Square feet.

m/s Meters per second.

m2 Square meters.

mil/h Miles per hour.

cfm Cubic feet per minute.

km/h Kilometers per hour.

cms Cubic meters per second.

Primary display Numerical display for air velocity, air volume, and

free area digit.

°C Celsius units.

°F Fahrenheit units.

Secondary display Temperature display or record number.

MIN Minimum data.

MAX Maximum data.

REC Record and saved.

AVG Average data.

- Polarity indicator for negative temperature.

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MAKING MEASUREMENTS

Air Velocity Measurements

Air velocity and temperature measurements can be displayed on this

meter in the following units of measure: ft/m (feet per minute) or m/s

(meters per second) for air velocity and °F or °C for temperature.

1. Connect the sensor to the sensor input jack on top of the meter.

2. Turn on the meter using the ON/OFF button.

3. The 'Vel' indicator should appear on the upper left on the LCD. If

not, press and hold the MODE button until a beep is heard. Repeat

this procedure until 'Vel' appears on the display.

4. Place the sensor in the air current to be measured.

5. View the air velocity and temperature readings on the LCD Display.

The upper display shows the air velocity reading. The lower display

shows the temperature.

Air Flow Measurements

In order to take air flow measurements, the area of the duct under test (in

ft2 or m2) must first be determined (check with the duct manufacturer if

necessary). Once the area is known, enter the value as follows:

1. Turn on the meter with the ON/OFF button.

2. Press and hold the MODE button until a beep is heard. “AREA”

appears on the display and one digit will be blinking indicating that

value can be changed.

3. Press the HOLD button to adjust the digit to the value needed.

4. Press the AVERAGE button to select the next digit for editing.

5. When the area is correctly entered, press the MIN MAX button

once. A beep will sound and the digits will stop blinking.

6. Press the HOLD button once to store the area value.

7. The meter is now ready to measure air flow. Place the sensor in the air

current and view the air flow and temperature readings on the LCD.

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Single Point MIN/MAX/AVG Recording

This meter can record and display the lowest (MIN), highest (MAX), and

average (AVG) air velocity, air flow, and temperature readings.

1. Follow the instructions for starting air velocity or air flow

measurements detailed on the previous page.

2. Press the MIN MAX button. The REC and AVG (average) indicators

will appear on the display and the meter will begin recording data.

When the measurement session is complete (up to 2 hours

maximum), press the HOLD button until the beep sounds.

4. To view the MIN reading, press the MIN MAX button twice or until

the MIN indicator appears. The minimum reading will be displayed

on the LCD.

5. Press MIN MAX again to view the maximum value, the MAX indicator

along with the maximum reading will appear on the LCD display.

6. Press MIN MAX again to view the averaged value, the AVG indicator

along with the average reading will appear on the LCD display.

7. To exit this mode, press and hold the MIN MAX button until 2

beeps are heard in rapid succession and the display indicators (REC,

MIN, MAX, AVG) disappear.

Multi Point Average Recording

The meter can take up to 8 separate measurements and average them

automatically.

1. Follow the instructions for starting air velocity or air flow

measurements detailed on the previous page.

2. When the first measurement is taken and is on the display, press and

hold the HOLD button. Release the button when the tone is heard.

3. The reading will hold and the 'HOLD' icon will appear above it on the LCD.

4. Press and hold the MIN MAX button until a tone is heard then

release it. The LCD will briefly indicate a number (1 through 8)

representing the current measurement number.

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5. Repeat this process until up to 8 measurements have been taken.

6. Press the AVERAGE button to display the average of all the

measurements.

7. To display the average air flow, press the MODE button to enter the

area, then MODE again for air flow.

8. To exit this mode and erase all stored readings, press and hold the

AVERAGE button until 2 beeps are heard. To exit without erasing

readings, press the HOLD button.

Data Hold Feature

1. While taking measurements you can freeze the displayed reading by

pressing and holding the HOLD button until a beep is heard.

2. The 'HOLD' indicator will appear on the LCD when the display is in this

mode.

3. Press and hold the HOLD button until a beep is heard to exit this mode.

Changing the Units of Measure

U.S. units of measure are °F, ft/m (feet per minute), and CFM (cubic feet

per minute). Metric units are: °C, m/s (meters per second), and CMS (cubic

meters per second).

1. Turn the meter on by pressing and holding both the ON/OFF and the

AVERAGE buttons simultaneously. Release the ON/OFF button first

then release the AVERAGE button. The units of measure will appear

on the LCD.

2. Press the HOLD button to select Metric and the AVERAGE button to

select U.S.

3. Press the MIN MAX button and an "S" will appear on the LCD.

4. Press the HOLD button to advance to the next selection.

5. The baud rate for PC Interface models will appear (1200 or 2400). Select

the baud rate, if necessary, by pressing the HOLD (1200) or AVERAGE

(2400) button.

6. To return to normal operation, press MIN MAX again (the "S" will

reappear) then press and hold the HOLD button until the beep is heard.

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AUTO POWER OFF

The TMA10A Anemometer turns off automatically after 20 minutes to

conserve battery power. Press the ON/OFF and HOLD buttons to disable

the Auto Power Off feature.

ERROR MESSAGE DISPLAY

If the sensor is not connected to the meter or if the sensor is inoperable,

the meter beeps, the error message "E6" appears on the display, and the

meter shuts down. Connect the sensor or return the meter and sensor for

repair.

USEFUL EQUATIONS AND CONVERSIONS

Cubic Equations

CFM (ft3/min) = Air Velocity (ft/min) x Area (ft2)

CMS (m3/sec) = Air Velocity (m/sec) x Area (m2)

Units Conversion 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

REPLACING THE BATTERY

Replace the 9 V battery when the display is flashing or there is no display.

1. Remove the Phillips head screw on the battery compartment cover.

2. Lift off the rear battery compartment cover.

3. Replace the 9 V battery and secure the battery compartment cover.

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