MRC PS-9303SD User manual

TABLE OF CONTENTS
1. FEATURES..................................................................1
2. SPECIFICATIONS........................................................
.
2
2-1 General Specifications............................................2
2-2 Electrical Specifications......................................... 5
3. FRONT PANEL DESCRIPTION.......................................7
4 SENSOR TYPE SELECTION........................................... 9
5 MEASURING PROCEDURE............................................
.
10
6. OTHER FUNCTION......................................................11
6-1 Data Hold.............................................................
.
11
6-2 Record ( Max./ Min. reading ).................................11
6-3 LCD Backlight ON/OFF...........................................
.
12
7. DATALOGGER.............................................................12
7-1 Preparation before execute datalo
gg
er function....................12
7-2 Auto Datalo
gg
er ( Set samplin
g
time 1 second )..............≧13
7-3 Manual Datalo
gg
er ( Set samplin
g
time = 0 second )...........
.
14
7-4 Check time information.......................................................15
7-5 Check samplin
g
time information.........................................15
7-6 SD Card Data structure.......................................................16
8. Saving data from the SD card to the computer..............17
9. ADVANCED SETTING...................................................19
10. POWER SUPPLY from DC ADAPTER............................25
11. BATTERY REPLACEMENT...........................................25
12. SYSTEM RESET.........................................................26
13. RS232 PC SERIAL INTERFACE....................................26
14. OPTIONAL PRESSURE SENSOR..................................
.
28
15. OTHER OPTIONAL ACCESSORIES...............................29
16. PATENT....................................................................30

1. FEATURES
* Meter can cooperate optional pressure sensor with 2,
5, 10, 20, 50, 100, 200, 400 Bar, new calibration
procedures are not necessary when change the new
sensor .
* When change the new pressure sensor, just select
pressure type ( 2, 5, 10, 20, 50, 100, 200, 400 bar )
on the front panel button. The sensor type will
memorize into the circuit permanently.
* 10 kinds pressure units ( Bar, Psi, Kg/cm^2, mm Hg,
inch Hg, meter H20, inch H20, Atmosphere, hPA, kPA )
, unit select by push button on the front panel.
* Full line optional pressure sensors are available.
* Cooperate the external pressure sensor that its output
signal is 100 mV for full scale.
* Zero button on the front panel, easy adjust the zero
value of pressure sensor.
* Separate pressure sensor, easy for remote measurement.
* Microprocessor circuit assures maximum possible accuracy,
provides special functions and features,
* Real time SD memory card Datalogger, built-in Clock
and Calendar, sampling time can set from 1 sec to 8
hour 59 min. 59 sec.
* Manual datalogger is available, during execute the
manual datalogger function, it can set the different
location no. ( position 1 to position 99 ).
* Innovation and easy operation, computer is not need to
setup extra software, after execute datalogger, just take
away the SD card from the meter and plug in the SD card
into the computer, it can down load the all the measured
value with the time information ( year/month/date/
hour/minute/second ) to the Excel directly, the user can
make the further data or graphic analysis by themselves.
1

* SD card capacity : 1 GB to 16 GB.
* LCD with green light backlight, easy reading.
* It can default auto power off or manual power off.
* Data hold, record max. and min. reading.
* Microcomputer circuit, high accuracy.
* Power by UM3/AA ( 1.5 V ) x 6 batteries or DC 9V adapter.
* RS232/USB PC computer interface.
* Wide applications : Measure pneumatic pressures,
measure automobile engine pressures, pressure for
super heat measurements, hydraulic servo controls,
refrigeration, air conditioning, food processing.
2. SPECIFICATIONS
2-1 General Specifications
Circuit Custom one-chip of microprocessor LSI
circuit.
Display LCD size : 52 mm x 38 mm
LCD with green backlight ( ON/OFF ).
Sensor type Can cooperate with optional 2, 5, 10, 20,
50, 100, 200, 400 bar sensor, new
calibration are not necessary when
change the new sensor .
Display units Bar, Psi, Kg/cm^2, mm Hg, inch Hg,
meter H20, inch H20, Atmosphere,
hPA, KPA.
Accuracy ± ( 0.5% + 1 d )
* Under the signal from the sensor is at
full scale ( 100 mV ).
* Meter only.
* Within 23± 5 .℃
Pressure Cooperate the optional external pressure
sensor sensor that its output signal is 100 mV
for full scale. ref. page 28.
Zero adjust Push button on the front panel.
Span adjust Push button gain adjustment, usage for
calibration precisely if necessary.
2

Input signal DC 100 mV for full Scale.
from sensor
Datalogger Auto 1 sec to 8 hour 59 min. 59 sec.
Sampling Time
@ Sampling time can set to 1 second,
Setting range but memory data may loss.
Manual Push the data logger button
once will save data one time.
@ Set the sampling time to
0 second.
@ Manual mode, can also select the
1 to 99 position ( Location ) no.
Data error no. 0.1% of total saved data max.
Memory Card SD memory card. 1 GB to 16 GB.
Advanced * SD memory card Format
setting * Set clock time ( Year/Month/Date,
Hour/Minute/Second )
* Set sampling time
* Auto power OFF management
* Set beep Sound ON/OFF
* Decimal point of SD card setting
* Select sensor type.
Data Hold Freeze the display reading.
Memory Recall Maximum & Minimum value.
Sampling Time Approx. 1 second.
of Display
Data Output RS 232/USB PC computer interface.
* Connect the optional RS232 cable
UPCB-02 will get the RS232 plug.
* Connect the optional USB cable
USB-01 will get the USB plug.
Operating 0 to 50 . ( 32 to 122 ).℃℉
Temperature
Operating Less than 80% R.H.
Humidity
3

Power Supply *
A
Alkaline or heavy duty DC 1.5 V battery
( UM3, AA ) x 6 PCs, or equivalent.
*
A
DC 9V adapter input. ( AC/DC power
adapter is optional ).
Power Current Normal operation ( w/o SD card save
data and LCD Backlight is OFF) :
Approx. DC 5 mA.
When SD card save the data and LCD
Backlight is OFF) :
Approx. DC 25 mA.
*
A
If LCD backlight on, the power
consumption will increase approx.
12 mA.
Weight 350 g/0.77 LB.
Dimension 177 x 68 x 45 mm
(7.0 x 2.7x 1.9 inch)
* Meter only
Accessories Instruction manual...........................1 PC
Included
Optional Pressure sensor, PS100-xxBAR,
Accessories
* Refer to page
Hard carrying case, CA-06.
Soft carrying case, CA-05A.
SD memory card ( 1 GB )
SD memory card ( 2 GB )
AC to DC 9V adapter.
USB cable, USB-01.
RS232 cable, UPCB-02.
Data Acquisition software, SW-U801-WIN.
4

2-2 Electrical Specifications (23±5 )℃
Sensor type 2 bar 5 bar 10 bar
Max. Reso- Max. Reso- Max. Reso-
range lution range lution range lution
bar 2 0.002 5 0.005 10 0.01
Psi 29 0.02 72.5 0.1 145 0.2
Kg/cm^2 2.040 0.002 5.095 0.005 10.19 0.01
mm Hg 1500 2 3750 5 7500 10
inch Hg 59.05 0.05 147.6 0.1 295.2 0.2
meter H20 20.40 0.02 50.95 0.05 101.9 0.1
inch H20 802 1 2006 2 4010 5
Atmosphere 1.974 0.002 4.935 0.002 9.87 0.01
hPA 2000 2 5000 5 10000 10
kPA 200.0 0.2 500.0 0.5 1000 1
Sensor type 20 bar 50 bar 100 bar
Max. Reso- Max. Reso- Max. Reso-
range lution range lution range lution
bar 20 0.02 50 0.05 100 0.1
Psi 290 0.2 725 1 1450 2
Kg/cm^2 20.40 0.02 50.95 0.05 101.9 0.1
mm Hg 15000 20 37500 50 75000 100
inch Hg 590.5 0.5 1476 1 2952 2
meter H20 204.0 0.2 509.5 0.5 1019 1
inch H20 8020 10 20050 20 40100 50
Atmosphere 19.74 0.02 49.35 0.05 98.7 0.1
hPA 20000 20 50000 50 10000 100
kPA 2000 2 5000 5 1000 10
5

Sensor type 200 bar 400 bar
Max. Reso- Max. Reso-
range lution range lution
bar 200 0.2 400 0.5
Psi 2900 2 5800 5
Kg/cm^2 204.0 0.2 408.0 0.5
mm Hg 150000 200 300000 500
inch Hg 5905 5 11810 10
meter H20 2040 2 4075 5
inch H20 80200 100 160600 200
Atmosphere 197.4 0.2 394.5 0.5
hPA 200000 200 400000 500
kPA 20000 20 40000 50
6

3. FRONT PANEL DESCRIPTION
Fig. 1
7

3-1 Display
3-2 Power Button ( Backlight Button )
3-3 Hold Button ( ESC Button )
3-4 REC Button ( Enter Button )
3-5 Unit Button ( Button )▲
3-6 Sensor type Button ( Button )▼
3-7 Zero Button ( Time Button )
3-8 Logger Button ( SET Button, Sampling check )
3-9 Stand
3-10 Battery Compartment/Cover
3-11 Battery Cover Screw
3-12 Tripod Fix Nut
3-13 Probe Socket
3-14 DC 9V Power Adapter Input Socket
3-15 Reset Button
3-16 RS-232 Output Terminal
3-17 SD card socket
3-18 Port Connector of Pressure Sensor
3-19 Pressure Sensor Main body
3-20 Plug of Pressure Sensor
8

4. SENSOR TYPE SELECTION
The meter can cooperate with optional 2, 5, 10, 20, 50,
100, 200, 400 bar sensor, new calibration are not necessary
when change the new sensor .
Those different optional pressure sensor are :
* 2 bar pressure sensor, Model : PS100-2BAR
* 5 bar pressure sensor, Model : PS100-5BAR
* 10 bar pressure sensor, Model : PS100-10BAR
* 20 bar pressure sensor, Model : PS100-20BAR
* 50 bar pressure sensor, Model : PS100-50BAR
* 100 bar pressure sensor, Model : PS100-100BAR
* 200 bar pressure sensor, Model : PS100-200BAR
* 400 bar pressure sensor, Model : PS100-400BAR
When chan
g
e the different sensor ( 2 Bar, 5
Bar, 10 Bar, 20 Bar, 50 Bar, 100 Bar, 200 Bar,
400 Bar ), it should accordin
g
the procedures
that mentioned in Section 9-7, pa
g
e 23 to
select the convenient pressure sensor at first.
After already select the convenient pressure sensor type,
press Sensor type Button ( 3-6, Fig. 1 ) once, the Display
will show the sensor type to confirm.
For example, if the pressure type already select 2 bar
pressure sensor ( Model : PS100-2BAR ), then if press
Sensor type Button ( 3-6, Fig. 1 ) once, the Display will
show :
2
bAr 9

5. MEASURING PROCEDURE
1)Plug in the " Plug of Pressure Sensor " ( 3-20, Fig. 1 )
to meter's " Probe Input Socket " ( 3-13, Fig. 1 )
2)Power on the meter by pushing the " Power Button "
( 3-2, Fig. 1 ) once.
3)Press the " Sensor Type Button " ( 3-6, Fig 1 ) once to
check if the meter's sensor type is same as the
external pressure sensor.
4)Press the " Unit Button " ( 3-5, Fig. 1 ) once in sequence
to select the measuring unit as : Bar, Psi, Kg/cm^2,
mm Hg, inch Hg, meter H20, inch H20, Atmosphere, hPA,
kPA.
Unit Display indicator
Psi PSI
inch Hg In Hg
inch H20 In H2O
hPA hPA
KPA _PA
Bar bAr
Kg/cm^2 _g C2
mm Hg -- Hg
meter H2O -t H20
Atmosphere AtP
Remark
:
After select the desired unit, power off th
e
meter then power on again, the meter circui
t
memory will save the selected unit wit
h
default.
10

5)Zero adjustment :
If the Display is not show zero value, push the " Zero
Button " ( 3-7, Fig. 1 ), > 10 seconds continuously, the
Display value will change to zero value.
6)Connect the " Port Connector of Pressure Sensor "
( 3-18, Fig. 1 ) to the installation that intend to measure
the pressure value.
7)Apply the pressure, meter will show the pressure value.
6. OTHER FUNCTION
6-1 Data Hold
During the measurement, press the " Hold Button " ( 3-3,
Fig. 1 ) once will hold the measured value & the LCD will
display a " HOLD " symbol.
Press the " Hold Button " once again will release the data
hold function.
6-2 Data Record ( Max., Min. reading )
1)The data record function records the maximum and
minimum readings. Press the " REC Button " ( 3-4, Fig.
1 ) once to start the Data Record function and there
will be a " REC " symbol on the display.
2)With the " REC " symbol on the display :
a)Press the " REC Button " ( 3-4, Fig. 1 ) once, the
" REC MAX " symbol along with the maximum value
will appear on the display.
If intend to delete the maximum value, just press
the " Hold Button " ( 3-3, Fig. 1 ) once, then the
display will show the " REC " symbol only & execute
the memory function continuously.
11

b)Press the " REC Button " ( 3-4, Fig. 1 ) again, the
" REC MIN " symbol along with the minimum value
will appear on the display.
If intend to delete the minimum value, just press
the " Hold Button " ( 3-3, Fig. 1 ) once, then
the display will show the " REC " symbol only &
execute the memory function continuously.
c)To exit the memory record function, just press the
" REC Button " for 2 seconds at least. The display will
revert to the current reading.
6-3 LCD Backlight ON/OFF
After power ON, the " LCD Backlight " will light
automatically. During the measurement, press the
" Backlight Button " ( 3-2, Fig. 1 ) once will turn OFF the
" LCD Backlight ".
Press the " Backlight Button " once again will turn ON the
" LCD Backlight " again.
7. DATALOGGER
7-1 Preparation before execute datalogger function
a. Insert the SD card
* It recommend use memory card 4 GB.≦
Prepare a " SD memory card " ( 1 GB to 16 GB, optional ),
insert the SD card into the " SD card socket " ( 3-17, Fig. 1 ).
The front panel of the SD card should face against the
down case.
b. SD card Format
If SD card just the first time use into the meter, it
recommend to make the " SD card Format " at first. ,
please refer chapter 9-1, page 20.
*
It recommend strongly, do not use memory cards that
have been formatted by other meter or by a computer.
Reformat the memory card with your meter.
12

c. Time setting
If the meter is used at first time, it should to adjust the
clock time exactly, please refer chapter 9-2, page 20.
d. Decimal format setting
The numerical data structure of SD card is
default used the " . " as the decimal, for
example "20.6" "1000.53" . But in certain
countries ( Europe ...) is used the " , " as the
decimal point, for example " 20, 6 "
"1000,53". Under such situation, it should
change the Decimal character at first, details
of setting the Decimal point, refer to Chapter
9-6, page 23.
7-2 Auto Datalogger ( Set sampling time 1 second )≧
a. Start the datalogger
Press the " REC Button ( 3-4, Fig. 1 ) once , the LCD will
show the text " REC ", then press the " Logger Button "
( 3-8, Fig. 1 ), the bottom text " DATALOGGER " will
flashing, at the same time the measuring data along the
time information will be saved into the memory circuit.
Remark :
*
How to set the sampling time, refer to Chapter 9-3
page 21.
*
How to set the beeper sound is enable, refer to
Chapter 9-5, page 22.
13

b. Pause the datalogger
During execute the Datalogger function , if press the
" Logger Button " ( 3-8, Fig. 1 ) once will pause the
Datalogger function ( stop to save the measuring data
into the memory circuit temporally ). In the same time
the text of " DATALOGGER " will be no flashing.
Remark :
If press the " Logger Button " ( 3-8, Fig. 1 ) once again
will execute the Datalogger again, the bottom text of "
DATALOGGER " will flashing .
c. Finish the Datalogger
During pause the Datalogger, press the " REC Button "
( 3-4, Fig. 1) continuously at least two seconds, the " REC "
indication will be disappeared and finish the Datalogger.
7-3 Manual Datalogger ( Set sampling time = 0
second )
a. Set sampling time is to 0 second
Press the " REC Button ( 3-4, Fig. 1 ) once , the LCD will
show the text " REC ", then press the " Logger Button " (
3-8, Fig. 1 ) once, the bottom text " DATALOGGER " will
flashing once and Beeper will sound once, at the same
time the measuring data along the time information will be
saved into the memory circuit. The lower Display will show
the Position ( Location ) no. and saved into the SD card too.
14

Remark :
During execute the Manual Datalogger, press the " ▲
Button " ( 3-5, Fig, 1 ) the lower no. ( position no. ) will
flashing. It can use the " Button " ( 3-5, Fig. 1) or "▲
Button " ( 3-6, Fig. 1 ) to set the measuring Location▼
no. ( 1 to 99, for example room 1 to room 99 ) to
identify the measurement location , the lower Display will
show P x ( x = 1 to 99 ).
b. Finish the Datalogger
Press the " REC Button " ( 3-4, Fig. 1) continuously at
least two seconds, the " REC " indication will be
disappeared and finish the Datalogger.
7-4 To check the time information
During the normal measurement screen ( not execute
the Datalogger ),
1)If press " Time Button " ( 3-7, Fig. 1 ) once , the lower
LCD display will present the time information of
Hour/Minute/Second ( h.m.s ) in the lower Display.
2)If press " Time Button " ( 3-7, Fig. 1 ) once again , the
lower LCD display will present the time information of
Year/Month/Date ( yy.mm.dd ) in the lower Display.
3)If press " Time Button " ( 3-7, Fig. 1 ) once again ,
the LCD will return to normal screen.
7-5 Check sampling time information
During the normal measurement screen ( not execute the
Datalogger ), If press " Sampling Button " ( 3-8, Fig. 1 )
once , the lower LCD display will present the Sampling
time information in second unit.
15

7-6 SD Card Data structure
1)When the first time, the SD card is used into the meter,
the SD card will generate a route :
PSA01
2)If the first time to execute the Datalogger,
under the route PSA01\, will generate a new
file name PSA01001.XLS.
After exist the Datalogger, then execute again,
the data will save to the PSA01001.XLS until
Data column reach to 30,000 columns, then
will generate a new file, for example PSA01002.XLS
3)Under the folder PSA01\, if the total files more
than 99 files, will generate anew route, such as
PSA02\ ........
4)The file's route structure :
PSA01\
PSA01001.XLS
PSA01002.XLS
.....................
PSA01099.XLS
PSA02\
PSA02001.XLS
PSA02002.XLS
.....................
PSA02099.XLS
PSAXX\
.....................
.....................
Remark :
XX : Max. value is 10.
16

8. Saving data from the SD card
to the computer ( EXCEL software )
1)After execute the Data Logger function, take away the
SD card out from the " SD card socket " ( 3-17, Fig. 1 ).
2)Plug in the SD card into the Computer's SD card slot
( if your computer build in this installation ) or
insert the SD card into the " SD card adapter ". then
connect the " SD card adapter " into the computer.
3)Power ON the computer and run the " EXCEL software ".
Down load the saving data file ( for example the file
name : PSA01001.XLS, PSA01002.XLS ) from the SD
card to the computer. The saving data will present into
the EXCEL software screen ( for example as following
EXCEL data screens ) , then user can use those EXCEL
data to make the further Data or Graphic analysis
usefully.
EXCEL data screen ( for example )
17

EXCEL graphic screen ( for example, graphic )
18