multicomp pro MP780649 User manual

Function Range
inH2O 138.3
osi 5.000
mbar 344.7
kPa 34.47
inHg 10.18
mmHg 258.5
Resolution
0.1
0.001
0.1
0.01
0.001
0.1
Function Range Resolution
ozin280.00 0.01
ftH2O 11.53 0.01
cmH2O 351.5 0.1
kgcm2 0.351 0.001
bar 0.344 0.001
Software (Disk & PC cable).
Manometer
MP780649
1.lntroduction
The device measures Gauge/Differential Pressure from O to 5 psi, it features
11 selectable units of measure: inH2O, psi, bar, mbar, kPa, inHg, mmHg, ozin2,
ftH2O, cmH2O, kgcm2.
Additional features include Data Hold. Auto Power Off disabled, and a USB
connector for capturing readings to a PC using optional software.
Careful use of this meter will provide years of reliable service.
2.Specifications
Dual LCD
±0.3%FSO (25°C)
±0.2% (Max.±0.5% FSO)
±0.29% FSO
±5 psi
20psi
0.5 Seconds typical
Yes
Err.1
Err.2
0 to 50°C
-10 to 60°C
1 x 9V Battery or external 9VDC
Display
Accuracy
Repeatability
Linearity/Hysteresis
Pressure Range
Maximum Pressure
Response Time
Low Battery Indicator
Over range Indicator
Under range Indicator
Operating Conditions
Storage Conditions
Power Supply

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3.Buttons
The meter has six buttons
1- UNITS
2- DIF
3- REC
4- HOLD
5- BACKLIGHT
6- 0N/OFF
4.Display Description
1- Hold Function
2- Differential Mode
3- Primary Data screen
4- Record Mode
5- MAXIMIN/AVG
6- Low Battery indicator
7- Pressure Unit indicator
8- Relative time clock
9- Data output USB socket
2
LDATALOGGER-- 9
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H/M/S
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6 
 
5.0peration
5-1. Power
Press the ON/OFF button to turn power on or off. The meter will perform a short
self-test when turned on. The meter defaults to the setting used during the last
operation.
5-2. Zero Adjust and Offset
Before use and without fittings attached to the meter, press the HOLD button
for more than 2 seconds to zero the meter. The meter will reset and display "o
o oo" from right to left then 0.000 will be displayed.
If it is desired to offset the meter and display, press the DIF button while taking
a measurement. Subsequent reading will be the difference between the
current measurement and the measurement that was on the display before the
DIF button was pressed.
5-3. 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.
5-4. Record
The MAX/MIN mode allows the user to view only the highest (MAX), lowest
(MIN) or average (AVG) readings with relative time stamp.
Press the REG button once and REG appears on the display (all other
functions are locked out except for Power & Backlight). The relative time clock
also appears in the secondary display and starts counting.
Press the REG Button again and MAX appears on the display .The display is
now showing the maximum pressure and relative time that it was recorded.
Press the REG button to display the minimum MIN reading with the relative
time.
Press the REG button to display the average value AVG reading with the
relative time.
Press the REC button again to continue recording MAX/MIN /AVG
measurements.
To exit the MIN/MAX/AVG mode, press the REC button for 3 seconds to
return to normal operation.
1
2
3
6
5
4
7

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5-5. Backlight Display
Press the Backlight button to turn on the backlight.
It will remain on for 40 seconds.
5-6. Automatic Power Off
The meter will automatically shut off after 20 minutes to conserve battery life.
To disable Auto Power Off , hold down the HOLD button and turn on the meter on,
An "n" will appear in the display indicating that Auto Power Off mode is disabled.
The meter will return to normal operation when it is turned off.
5-7. Units
Press the Unit button momentarily and the meter will cycle through the 11 available
units of measure as indicated by the cursor on the bottom of the display.
USB
To collect readings to a PC using included software.
6. Error Codes
An error message will appear on the display if the meter fails an internal diagnostic
test. And it will freeze all the buttons.
•Err.1: Pressure value is over the range.
•Err.2: Pressure value is below the range.
•Err.3: DIF function, the differential pressure value is over range.
•Err4: DIF function, the differential pressure value is below range.
7. Battery Replacement
When the battery power falls low "BAT" will appear on the LCD.
Replace the 9V battery noting polarity.
INFORMATION ON WASTE DISPOSAL FOR CONSUMERS
OF ELECTRICAL & ELECTRONIC EQUIPMENT
These symbols indicate that separate collection of Waste Electrical and Electronic
Equipment (WEEE) or waste batteries is required. Do not dispose of these items with
general household waste. Separate for the treatment, recovery and recycling of the
materials used. Waste batteries can be returned to any waste battery recycling point
which are provided by most battery retailers. Contact your local authority for details of
the battery and WEEE recycling schemes available in your area
Made in China. LS12 2QQ
Man Rev 1.0