MRC DO-5510 Manuale utente

PLEASE READ THIS MANUAL CAREFULLY BEFORE OPERATION

3, Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529

[email protected] MRC.5.18

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.......................................................

2. FEATURES.............................................................................

3. SPECIFICATIONS....................................................................2

4. FRONT PANEL DESCRIPTION..................................................

4-1 Display...........................................................................4

4-2 Power Off/On button......................................................

4-3 Data Hold button............................................................4

4-4 / button...................................................................℃℉ 4

4-5 LCD Contrast Ad

ust VR..................................................

4-6 Memory Record button...................................................

4-7 Memory Call button........................................................

4-8 Factor Ad

. button...........................................................4

4-9 Zero button....................................................................4

4-10 % Salt button................................................................ 4

4-11 DO/O2 Selector..............................................................

4-12 O2 Cal. button................................................................4

4-13 MT. ( Mountain Hei

ht ) button.......................................

4-14 Battery Compartment/Cover............................................ 4

4-15 Probe Input Socket ........................................................

4-16 RS-232 Output Terminal..................................................4

4-17 Oxy

en Probe handle......................................................4

4-18 Temperature sensor........................................................4

4-19 Probe head with diaphra

m set.......................................

4-20 Protection cover for probe head.......................................4

4-21 Oxy

en probe plu

.........................................................

5. MEASURING PROCEDURE.......................................................

5-1 Calibration................................................................... 5

5-2 Dissolved Oxygen ( DO) measurement ..............................6

5-3 Oxy

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.

* 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.

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

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

ht 335

/0.74 LB ( batteries & probe included )

Size Main instrument:

180 x 72 x 32 mm ( 7.1 x 2.8 x1.3 inch ).

Oxy

en probe :

190 mm x 28 mm Dia. ( 7.5" x 1.1" Dia. )

Accessories Oxy

en probe( OXPB-11 )................... 1 PC.

included Carryin

case..................................... 1 PC.

Operation manual...............................1 PC.

Spare Probe head with Diaphra

OXHD-04...........................................

2 set

Probe-fillin

Electrolyte

OXEL-03............................................

1 set

Optional * Oxy

en probe.................................OXPB-11

Accessories * Spare Probe head with Diaphra

m set

..................................................... OXHD-04

* Probe-fillin

Electrolyte...................

OXEL-03

* RS232 cable................................... UPCB-02

* USB cable.......................................USB-01

* Data Acquisition software

.............................................

SW-U801-WIN.

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.

5-2 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. :

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.

a.Push the " MT ( Height) button " ( 5-13, Fig. 1 ) first,

then the display will show

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.

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