MRC DO-5510 Bedienungsanleitung
PLEASE READ THIS MANUAL CAREFULLY BEFORE OPERATION
3, Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529
INSTRUCTION MANUAL FOR
DO-5510
DIGITAL OXYGEN METER
ATTENTION :
Fill the Probe's Electrolyte at first.
Intend to keep the DO probe under
the best condition, when user receive
the DIGITAL OXYGEN METER along
the PROBE, it should fill the the
Probe's Electrolyte at first.
Probe-filling Electrolyte
`
Probe head with Diaphragm set
The procedures that to fill the Probe's
Electrolyte, refer the chapter 8
" PROBE MAINTENANCE ", page 13 .
TABLE OF CONTENTS
1. GENERAL DESCRIPTIONS.......................................................
.
1
2. FEATURES.............................................................................
.
1
3. SPECIFICATIONS....................................................................2
4. FRONT PANEL DESCRIPTION..................................................
.
4
4-1 Display...........................................................................4
4-2 Power Off/On button......................................................
.
4
4-3 Data Hold button............................................................4
4-4 / button...................................................................℃℉ 4
4-5 LCD Contrast Ad
j
ust VR..................................................
.
4
4-6 Memory Record button...................................................
.
4
4-7 Memory Call button........................................................
.
4
4-8 Factor Ad
j
. button...........................................................4
4-9 Zero button....................................................................4
4-10 % Salt button................................................................ 4
4-11 DO/O2 Selector..............................................................
.
4
4-12 O2 Cal. button................................................................4
4-13 MT. ( Mountain Hei
g
ht ) button.......................................
.
4
4-14 Battery Compartment/Cover............................................ 4
4-15 Probe Input Socket ........................................................
.
4
4-16 RS-232 Output Terminal..................................................4
4-17 Oxy
g
en Probe handle......................................................4
4-18 Temperature sensor........................................................4
4-19 Probe head with diaphra
g
m set.......................................
.
4
4-20 Protection cover for probe head.......................................4
4-21 Oxy
g
en probe plu
g
.........................................................
.
4
5. MEASURING PROCEDURE.......................................................
.
5
5-1 Calibration................................................................... 5
5-2 Dissolved Oxygen ( DO) measurement ..............................6
5-3 Oxy
g
en in Air ( O2) measurement .....................................8
5-4 Temperature measurement .............................................. 8
6. AUTO POWER OFF DISABLE and LCD CONTRAST
ADJUSTMENT.........................................................................11
7. RS232 PC SERIAL INTERFACE................................................. 12
8. PROBE MAINTENANCE............................................................14
9. BATTERY REPLACEMENT....................................................... 16
1. GENERAL DESCRIPTIONS
This Digital Oxygen Meter is supplied with a
polarographic type probe with an incorporated Temp.
sensor which serves for precise Dissolved Oxygen ( DO )
and Temp. measurement.
Applications for Aquarium, Medical research, Agriculture,
Fish hatcheries, Laboratory, Water conditioning, Mining
industry, Schools & Colleges, Quality control...
2. FEATURES
* The polarographic type oxygen probe with an incorpo-
rated Temp. sensor, high precision measurement for
Dissolved Oxygen ( DO ) and Temp. measurement.
* Heavy duty dissolved oxygen probe, probe head can
connect with BOD bottle
* Automatic Temp. compensation from 0 to 50 for sensor.℃
* Build in " % SALT " & " Mountain Height " compensation,
adjust the factor by push the button on the front panel.
* Microprocessor circuit assures high accuracy and provides
special functions and features.
* Super large LCD display with contrast adjustment for best
viewing angle.
* Multi-display, show oxygen & Temp. at the same time.
* Records Maximum, Minimum and Average readings with
recall, data hold.
1
* Auto power off saves battery life.
* Powered by 006P DC 9V battery.
* RS 232 PC serial interface.
* Build in temperature , measurement.℃℉
* Use the durable, long-lasting components, including a
heavy duty & compact ABS-plastic housing case.
3. SPECIFICATIONS
Circuit Custom one-chip of microprocessor LSI
circuit.
Display Dual function meter's display, 13 mm ( 0.5" ).
Super large LCD display with contrast
adjustment for best viewing angle.
Measurement Dissolved Oxygen 0 to 20.0 mg/L ( liter ).
& Range Oxygen in Air 0 to 100.0 %.
Temperature 0 to 50 .℃
Dissolved Oxygen 0.1 mg/L.
Resolution Oxygen in Air 0.1 % O2 .
Temperature 0.1 .℃
Accuracy Dissolved Oxygen ± 0.4 mg/L.
(23± 5 )℃Oxygen in Air ± 0.7% O2.
Temperature ± 0.8 /1.5 .℃℉
Sensor The polarographic type oxygen probe with
Structure an incorporated temperature sensor.
Probe Temperature 0 to 50 ,℃
Compensation Automatic
& Adj. Salt 0 to 39 % Salt
Height ( M. T.) 0 to 3900 meter
Memory Records Maximum, Minimum and
Recall Average readings with recall.
2
Power off Auto power off saves battery life, or manual off
by push button.
Data Output RS 232 PC serial interface.
Over input Indication of "- - - -".
indication
Operating 0 to 50 (32 to 122 ).℃℃℉ ℉
Temperature
Operatin
g
Max. 80% RH.
Humidity
Sample Time Approx. 0.4 sec.
Power Supply 006P DC 9V battery ( Heavy duty type ).
Power Current Approx. DC 6.6 mA.
Wei
g
ht 335
g
/0.74 LB ( batteries & probe included )
Size Main instrument:
180 x 72 x 32 mm ( 7.1 x 2.8 x1.3 inch ).
Oxy
g
en probe :
190 mm x 28 mm Dia. ( 7.5" x 1.1" Dia. )
Accessories Oxy
g
en probe( OXPB-11 )................... 1 PC.
included Carryin
g
case..................................... 1 PC.
Operation manual...............................1 PC.
Spare Probe head with Diaphra
g
m
OXHD-04...........................................
.
2 set
Probe-fillin
g
Electrolyte
OXEL-03............................................
.
1 set
Optional * Oxy
g
en probe.................................OXPB-11
Accessories * Spare Probe head with Diaphra
g
m set
..................................................... OXHD-04
* Probe-fillin
g
Electrolyte...................
.
OXEL-03
* RS232 cable................................... UPCB-02
* USB cable.......................................USB-01
* Data Acquisition software
.............................................
.
SW-U801-WIN.
3
4. FRONT PANEL DESCRIPTION
Fig. 1
4-1 Display 4-12 O2 Cal. button
4-2 Power Off/On button 4-13 MT. ( Mountain Height ) button
4-3 Data Hold button 4-14 Battery compartment/cover
4-4 / button℃℉ 4-15 Probe input socket
4-5 LCD Contrast Adjust VR 4-16 RS-232 input terminal
4-6 Memory record button 4-17 Oxygen Probe handle
4-7 Memory call button 4-18 Temperature sensor
4-8 Factor Adj. button 4-19 Probe head with diaphragm
4-9 Zero button 4-20 Protection cover for probe head
4-10 % Salt button 4-21 Oxygen probe plug
4-11 DO/O2 selector 4
5 MEASURING PROCEDURE
5-1 Calibration
Before the measurement, the meter should be processed
the following calibration procedures:
1)Disconnect the " OXYGEN PROBE plug " ( 4-21, Fig. 1 )
from the " Probe input socket " ( 4-15, Fig. 1 ).
2)Power on the instrument by pushing the " Power Off/On
button " ( 4-2, Fig. 1 ).
3)Slide the " O2/DO selector " ( 4-11, Fig. 1 ) to the " O2 "
position.
Push the " Zero button " ( 4-9, Fig. 1 ) and the display
will show zero value.
4)Connect the " Oxygen probe plug " ( 4-21, Fig. 1 ) with
the " Probe input socket " ( 4-15, Fig. 1 ). Wait for
approx. 5 minutes at least until the display reading
values become stable & no fluctuation. Push the " O2
Cal. button " ( 4-12, Fig. 1 ) and the display will show
the values exactly same as 20.9 or 20.8. (As the
oxygen in air is 20.9 % typically, so use the
environment air 02 value for quick & precise
calibration).
Calibartion Consideration :
Please process calibration procedures under
wide and ventilating environment for best effect.
5
5-2 Dissolved Oxygen ( DO) measurement
1)After the meter be calibrated ( above procedure 5-1 ),
the meter is ready for DO measurement.
2)Slide the " O2/DO selector " ( 4-11, Fig. 1 ) to the " DO "
position.
3)"% Salt" compensation of the probe :
a.Push the " % Salt button " ( 4-10, Fig. 1 )
first, and the display will show. :
0%
S
b.Push the " Factor Adj. button " ( 4-8, Fig. 1 ) once
will add " 1 % " to the original salt % value until the
adjusting reading reach the desired salt values.
Then push the " % Salt button " ( 4-10, Fig. 1 )
again to finish the adjusting procedures. At this
moment the new % salt values will be executed.
c. If the measured liquid is the pure water or the
factor of salt % can be neglected, then adjust %
salt compensation value to 0%.
4)"Height" compensation of the probe :
Bear in mind that the DO measurement is considered
to be taken at sea level. However if the measuring
environment is not at sea level ( 0 meter ), then
should adjust the " Height " values for the probe
compensation when make the DO measurement.
6
a.Push the " MT ( Height) button " ( 5-13, Fig. 1 ) first,
then the display will show
0
H
b.Push the " Factor Adj. button " ( 4-8, Fig. 1 ) once
will add " 100 meters " to the original height values
until the adjusting reading reach the desired height
values ( meters ). Then push the " MT ( Height)
button " (4-13, Fig. 1) again to finish the adjusting
procedures. At this moment the new height values
(display unit is the " meters ") will be executed.
5)a.Immersed the probe to a depth at least 10 cm of
the measured liquid in order for the probe to be
influenced by the temperature & automatic
temperature compensation to take place.
b.As for the thermal equilibrium to occur between the
probe & the measurement sample must be allowed
to pass, which usually amounts to a few minutes if
the Temp. difference between the two is only
several Celsius degrees.
6)a.In order to measure the dissolved oxygen content in
any given liquid, it is sufficient to immerse the tip of
the probe in the solution, making sure that velocity
of the liquid coming into contact with the probe is at
least 0.2 - 0.3 m/s or to shake the probe.
b.During laboratory measurements, the use of a
magnetic agitator to ensure a certain velocity in the
fluid is recommended. In this way, errors due to the
diffusion of the oxygen present in the air in the
solution are reduced to a minimum.
7
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