Model
Digital Manometer
R3002
Instruction
Manual
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Table of Contents
Features ......................................................................................... 3
Specications .............................................................................3-4
Instrument Description ...............................................................4-5
Operating Instructions ................................................................5-7
Turning the unit on ...................................................................... 5
Zero Adjust and Oset ................................................................ 5
Data Hold ................................................................................... 5
Record ........................................................................................ 6
Backlight Display ......................................................................... 6
Automatic Power O ................................................................... 6
Units ........................................................................................... 6
Error Codes ................................................................................7
Battery Replacement ..................................................................... 7
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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2
Features
• Measures gauge and dierential pressure from 0 to 5 psi
• 11 selectable units of measure: psi, inH2O, bar, mbar, kPa,
inHg, mmHg, ozin2, ftH2O, cmH2O, kgcm
2
• Dual LCDs with backlighting
• Max/Min/Avg record with time stamp
• Data Hold freezes the displayed reading
• Low battery indication with auto power o
• Push button zero adjust and oset readings
• USB output
Specifications
Function Range Resolution Function Range Resolution
0 138.3 0.1 ozin
inH
2
psi 5.000 0.001 ftH20 11.53 0.01
mbar 344.7 0.1 cmH20 351.5 0.1
kPa 34.47 0.01 kgcm
inHg 10.18 0.001 bar 0.344 0.001
mmHg 258.5 0.1
Display: Dual LCD
Accuracy: ±0.3% f.s (25ºC)
Repeatability: ±0.2% (Max.+/-0.5% f.s)
Linearity/Hysteresis: ±0.29% f.s
Pressure Range: 5 psi
Maximum Pressure: 20 psi
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2
80.00 0.01
0.351 0.001
continued ...
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3
Response Time: 0.5 seconds
Low Battery Indicator: Yes
Over range Indicator: Err1
Under range Indicator: Err2
Software: Yes (included)
Software OS
Compatibility: Windows XP, 7, 8, 10, 11
Operating Conditions: 0 to 50ºC
Storage Conditions: -10 to 60ºC
Serial format: Baud rate: 9600 Baud, 8 Data Bits
Power Supply: Single 9V alkaline battery
Includes:
Optional Accessories: Tripod (model BS-6)
USB cable, tubing, hard carrying case & battery
Instrument Description
1. UNITS
2. DIF
3. REC
4. HOLD
5. BACKLIGHT
6. ON/OFF
4
1
2
3
5
6
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4
Display Description
1. Hold Function
2. Dierential Mode
3. Primary Data screen
4. Record Mode
5. MAX/MIN/AVG
6. Low Battery indicator
7. Pressure Unit indicator
8. Relative Time Clock
9. Data output from USB
Operating Instructions
Turning the unit on
Press the ON/OFF button to turn power on or o. The meter will perform
a short self-test when turned on. The meter will default to the last setting
used during operation.
Zero Adjust and Offset
To Zero Adjust and Oset the meter, turn the meter on, without any tting
attached. Press the HOLD button for about 2 seconds to zero the meter.
The meter will reset displaying “0 0 0 0” on the LCD screen, changing to
“0.000”. If you want to oset the meter and display, press the DIF button
while taking a measurement. Subsequent readings will be the
dierence between the current measurement and the measurement that
was on the display when the DIF button was pressed.
Data Hold
Press the HOLD button momentarily to freeze the displayed reading. The
‘HOLD’ icon will appear on the upper left-hand side of the display. If the
pressure value is over the range, error codes will show on the screen.
Press the HOLD button again to return to normal operation.
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Record
The MAX/MIN mode allows the user to view only the highest (MAX),
lowest (MIN) or average (AVG) readings with a relative time stamp.
1. Press the REC button once, and the REC symbol will appear on
the display. All other functions will be locked out except for Power
& Backlight. The relative time clock also appears in the secondary
display and will start counting.
2. Press the REC Button a second time and MAX will appear on the
display. The display will show maximum pressure and relative time
that it was recorded.
3. Press the REC button a third time to display the minimum (MIN)
reading with the relative time.
4. Press the REC button a fourth time to display the average value
(AVG) reading with the relative time.
5. Press the REC button a fth time to continue recording MAX/MIN/
AVG measurements.
6. To exit the MIN/MAX/AVG mode, press the REC button for 3 seconds to return to normal operation.
Backlight Display
Press the Backlight button to turn on the backlight. It will remain on for 40
seconds.
Automatic Power Off
The meter will automatically shut o after 20 minutes to conserve battery
life. To disable Auto Power O, when the meter is o, hold down the
HOLD button and turn on the meter on. An “n” will appear in the display
indicating that Auto Power O mode is disabled. The meter will return to
normal operation when it is turned o.
Units
Press the Unit button and the meter will cycle through the 11 available
units of measurement as indicated by the cursor on the bottom of the
display.
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Error Codes
If the meter fails its internal diagnostic test all button functions will cease
and an error message will appear on the display.
1. Err1: Pressure value is over the range.
2. Err2: Pressure value is below the range.
3. Err3: DIF function, the dierential pressure value is over range.
4. Err4: DIF function, the dierential pressure value is below range.
Battery Replacement
When the battery power falls low, “BAT” will appear on the display screen.
Immediately replace the 9V battery.
1. Turn unit o
2. Carefully open battery compartment at the back of the instrument
3. Remove old battery
4. Replace with new battery observing the correct polarity
5. Close battery compartment
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