Model
Anemometer/Manometer
R3001
Instruction
Manual
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Table of Contents
Features .........................................................................................3
Specications .............................................................................3-4
Instrument Description ...............................................................5-6
Operating Instructions ..............................................................7-10
Measuring Pressure .................................................................... 7
Measuring Velocity ...................................................................... 7
Measuring Flow .......................................................................... 8
Measuring Temperature .............................................................. 8
Hold Function ............................................................................. 8
Minimum, Maximum, and Average Readings ............................... 9
Saving Data ................................................................................ 9
Recalling Saved Data .................................................................. 9
Deleting Saved Data ................................................................. 10
Option Setup ..........................................................................10-12
Error Codes ................................................................................. 12
Battery Replacement ................................................................... 12
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2
Features
• Measure and display air velocity, air ow volume, pressure and
ambient temperature with a single, compact unit
• Air velocity displayed in m/s, fpm, km/h, mph or knots
• Air ow displayed in cfm or cmm
• Pressure displayed in psi, mbar, inH2O, mmH2O or Pa
• Temperature displayed in °C or °F
• Max., Min. and Avg. readings
• Real time clock provides for time-stamped measurements
• Push button calculation of rectangular or circular duct areas
• Large LCD display with backlight
• Auto power off and low battery indication
• USB interface
Specifications
Pressure Range: ±5000 Pa; 0.752 psi; 50.00mbar;
20.07 inH2O; 509.8 mmH2O
Pressure Resolution: 1 Pa; 0.0001 psi; 0.01 mbar;
0.01 inH2O; 0.1 mmH2O
Pressure Accuracy: ±0.3% FSO
Repeatability: ±0.2% FSO
Linearity/Hysteresis: ±0.29% FSO
Air Velocity Range: 1.00 to 80.00 m/s; 200 to 15,733 fpm;
3.6 to 288.0 km/h; 2.24 to 178.66 mph;
2.0 to 154.6 knots
Air Velocity Resolution: 0.01 m/s; 1 fpm; 0.1 km/h; 0.01 mph; 0.1 knots
Air Velocity Accuracy: ±2.5% rdg.
Air Flow Range: 0 to 99.999 ft3/min; 0 to 99.999 m3/min
Air Flow Resolution: 0.0001 to 100 ft3/min; 0.001 to 100 m3/min
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Air Flow Accuracy: Function of air velocity and duct size
Software: Yes (included)
Software OS
Compatibility: Windows XP, 7, 8, 10, 11
Temperature Range: 0 to 50.0°C; 32.0 to 122.0°F
Temperature Resolution: 0.1‚C; 0.1°F
Temperature Accuracy: ±1.0°C; ±2°F
Power Supply: Single 9V battery
Dimensions: 203 x 75 x 50mm
Includes: Black and white silica tubes, Pitot tube, power
adapter, USB cable, 9V battery, CD software
and hard carrying case
For service on this or any other REED product or information on other
REED products, contact REED Instruments at info@reedinstruments.com
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Instrument Description
1. Input ( - ) port
2. Ref ( + ) port
3. Average/Recall button
4. Up button
5. Down button
6. Setup/Backlight button
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7. Save/Clear button
8. Hold/Zero button
9. P/V/F measurement button
10. Max/Min button
11. Power button
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Display Description
1. Time display setting
2. Measurement mode
3. Primary display
4. Air velocity unit
5. Pressure unit
6. PC connection indicator
7. Auto power off indicator
8. Duct shape
9. Low battery indicator
10. Data hold indicator
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11. Dimension unit
12. Setup mode indicator
13. Clear memory
14. Saved data number
15. Memory indicator
16. REC, MAX, MIN and AVG indicators
17. Temperature unit of primary display
18. Air ow unit
19. Temperature unit of second display
20. Temperature/time display
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Operating Instructions
Measuring Pressure
1. Press the power button to turn the meter on. Press the P/V/F
button to enter Pressure Measurement mode. Press the Down
button to select the unit of measurement.
2. Connect a single hose to the Input Port, leaving the Ref Port empty.
3. To ensure accuracy, zero out the unit before taking a measurement.
With the input hose open to ambient conditions, press and hold the
Hold/Zero button until the display states “0”.
4. Place the input hose in the desired measurement location. Be sure
to place the meter away from the measurement location or
readings will not be accurate.
5. The meter will display the differential pressure of the input zone
with respect to the reference zone. For example, a positive reading
means that the input zone is positively pressured in respect to the
meter location or its reference zone.
Measuring Velocity
1. Press the power button to turn the meter on. Press the P/V/F
button twice to enter Velocity Measurement mode. Press the Down
button to select the unit of measurement.
2. Connect the white hose to the Input Port on the meter and the total
pressure connection on the pitot tube. Connect the black hose to
the Ref Port on the meter and the static pressure connection on the
pitot tube.
3. To ensure accuracy, zero out the unit before taking a measurement.
With the Input and Ref hoses open to ambient conditions, press
and hold the Hold/Zero button until the display states “0”.
4. To take a measurement, face the pitot tube tip against the
measured area. Ensure that the axis of the duct is aligned with the
ow at ±10°. If the readings come out negative and “Error” appears
on the display, check that the hoses are attached to the correct
ports on the meter and the pitot tube.
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Measuring Flow
1. Press the power button to turn the meter on. Press the P/V/F
button three times to enter Flow Measurement mode. Press the
Down button to select the unit of measurement.
2. The screen will display the duct size and shape. The meter stores
the last used duct size and shape. To change these settings refer to
the Option Setup section.
3. Hold the meter up to the desired measurement location & read the
measurements on the display screen.
4. Connect the white hose to the Input Port on the meter and the total
pressure connection on the pitot tube. Connect the black hose to
the Ref Port on the meter and the static pressure connection on the
pitot tube.
5. To ensure accuracy, zero out the unit before taking a measurement.
With the Input and Ref hoses open to ambient conditions, press
and hold the Hold/Zero button until the display states “0”.
6. To take a measurement, face the pitot tube tip against the
measured area. Ensure that the axis of the duct is aligned with the
ow at ±10°. If the readings come out negative and “Error” appears
on the display, check that the hoses are attached to the correct
ports on the meter and the pitot tube.
Measuring Temperature
Ambient temperature is shown on the second display as a reference.
The temperature can be displayed in either °C or °F. Press the Up button
to select the unit °C or °F.
Hold Function
1. While taking a measurement, press the Hold/Zero button to freeze
the display. The HOLD indicator will also appear on the display.
2. Press the Hold/Zero button again to turn off the Hold function.
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Minimum, Maximum, and Average Readings
1. Press the Max/Min button to scroll through the maximum (MAX),
minimum (MIN), or the average (AVG) readings. The elapsed time
since entering MAX/MIN/AVG mode, or the time at which the
minimum or maximum reading occurred will appear on the screen.
2. Press the P/V/F button to show the maximum, minimum, and
average of the ambient temperature value and the pressure,
velocity, or ow value.
3. Press and hold the Max/Min button for 2 seconds to exit MAX/MIN/
AVG mode.
Saving Data
1. While taking a measurement, press the Save/Clear button to save
the current data.
2. The meter can save up to 99 samples on each of the three
measurement modes. If the memory is full, the meter will beep and
display “FU” on the screen.
Recalling Saved Data
1. Press the P/V/F button to select what mode to recall saved data
from.
2. Press and hold the Avg/Rec button to view saved data. The last
measurement will appear rst. Use the Up and Down buttons to
scroll through the saved data.
3. Press the Avg/Rec button to view the average of all of the saved
data.
4. Press and hold the Avg/Rec button to resume normal measuring.
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Deleting Saved Data
1. Press the P/V/F button to select what mode to recall saved data
from.
2. Press and hold the Avg/Rec button to view saved data. The last
measurement will appear rst. Use the Up and Down buttons to
scroll through the saved data to select the reading that you wish to
delete.
3. Press the Save/Clear button to delete the selected data. To delete
all saved data refer to the Option Setup section.
4. Press and hold the Avg/Rec button to resume normal measuring.
Option Setup
1. Press and hold the Setup/Backlight button for 2 seconds to enter
Setup mode. The screen will display SETUP.
2. Press the Up or Down button to scroll to the option you want to
change.
3. Press the Ave/Rec button to select the option you want to adjust.
4. Adjust the setting with the Up and Down buttons, and press the
Avg/Rec button to save.
NOTE: Option Setup is disabled in MIN/MAX/AVG mode.
Duct Dimension Units
1. While in Option Setup mode, scroll to the option displayed as
“UNIT” on the screen.
2. Press the Avg/Rec button to select this option, and press the Up
and Down button to switch between inches and centimeters.
3. Press the Avg/Rec button again to save the setting.
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Duct Shape & Parameters Setting
1. While in Option Setup mode, scroll to the option displayed as “Duct
Shape” on the screen.
2. Press the Avg/Rec button to select this option, and press the Up
and Down button to switch between Rectangle and Circular.
3. Press the Avg/Rec button again to save the setting and to enter the
Parameters Setting.
4. If duct is rectangle, the height of duct will be appear in the primary
display, along with “H=”.
5. Press the Up or Down buttons to adjust the decimal point.
6. To adjust the numbers, press the Save/Clear button to move the
ashing digit. Press Up or Down to change the ashing digit from 0
to 9.
7. Press the Avg/Rec button to save. “W=” will appear in the primary
display indicating you are now adjusting duct width.
8. Press the P/V/F button to select the the decimal point.
9. To adjust the numbers, press the Save/Clear button to move the
ashing digit. Press Up or Down to change the ashing digit from 0
to 9.
10. Press the Avg/Rec button to save the new parameters.
11. If duct is circular, the diameter of duct will be appear in the primary
display, along with “D=”.
12. Press the Up or Down buttons to adjust the decimal point.
13. To adjust the numbers, press the Save/Clear button to move the
ashing digit. Press Up or Down to change the ashing digit from 0
to 9.
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Auto Power Off
1. By default the meter will automatically shut off after 20 minutes of
inactivity. To change this, while in Option Setup mode, scroll to the
option displayed as “SLEEP” on the screen.
2. Press the Avg/Rec button to select this option, and press the Up
and Down button to switch between ON or OFF.
3. Press the Avg/Rec button again to save the setting.
Measurement Mode Setting
1. While in Option Setup mode, scroll to the option displayed as
“TYPE” on the screen.
2. Press the Avg/Rec button to select this option, and press the Up
and Down button to switch between Type 1, Type 2, and Type 3.
• Type 1 displays Pressure and Air Velocity
• Type 2 displays Air Velocity and Air Flow
• Type 3 displays Pressure, Air Velocity, and Air Flow
3. Press the Avg/Rec button again to save the setting.
Clear all Saved Data
1. While in Option Setup mode, scroll to the option indicated by
“CLEAR” on the screen.
2. Press the Save/Clear button to select this option, and press the Up
and Down button to switch between the four options.
• PRESS VEL FLOW: Delete all Pressure, Velocity, and Flow data
• PRESS: Delete all Pressure data
• VEL: Delete all Velocity data
• FLOW: Delete all Flow data
3. Press the Up button to conrm, indicated by “YES”, and press the
Avg/Rec button to delete selected data.
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Error Codes
An error message will appear on the display if the meter fails an internal
diagnostic test, which will also freeze all button function.
• OL: Pressure or air velocity value is over range
• -OL: Pressure value is below range
• Error: air velocity or air ow is below range
Battery Replacement
1. Turn off the meter
2. Loosen the screw on the rear of the meter and remove the battery
door
3. Place new batteries in the battery compartment, replace the battery
door and tighten the screw
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