MRC DO-5519 Manuale utente

1,600 point data logger, RS232, AC/DC adapter

auto calibration

DISSOLVED

OXYGEN METER

Model : DO-5519 Your purchase of this

DISSOLVED OXYGEN

METER marks a step

forward for you into the

field of precision

measurement.

Although this METER is

a complex and delicate

instrument, its durable

structure will allow

many years of use if

proper operating

techniques are

developed. Please read

the following

instructions carefully

and always keep this

manual within easy

reach.

OPERATION MANUAL

3, Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 mrc@mrclab.com

MRC.11.21

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

Probe's Electrolyte at first.

` Probe-fillin

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. FEATURES.............................................................................. 1

2. SPECIFICATIONS.................................................................... 2

3. FRONT PANEL DESCRIPTION..................................................

3-1 Display............................................................................. 4

3-2 Power/ESC/Send button.................................................... 4

3-3 FUNC/HOLD button ( Send quit/ button )........................▲4

3-4 REC/Enter button..............................................................4

3-5 Settin

/Lo

er button ( button )...................................

▼4

3-6 Probe input socket............................................................ 4

3-7 DC 9V adapter socket.......................................................

3-8 RS-232 output terminal..................................................... 4

3-9 Battery compartment/Cover.............................................. 4

3-10 Battery cover screws....................................................... 4

3-11 Oxy

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

3-12 Temperature sensor........................................................ 4

3-13 Probe head with diaphra

m set........................................4

3-14 Protection cover for probe head....................................... 4

3-15 Oxy

en probe plu

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

4. MEASURING PROCEDURE....................................................... 6

4-1 Calibration........................................................................6

4-2 Dissolved Oxy

en ( DO) measurement .............................. 7

4-3 Oxy

en in Air ( O2) measurement .....................................9

4-4 Temperature measurement...............................................

4-5 Data Hold......................................................................... 9

4-6 Data Record ( Max., Min. readin

)....................................

4-7 Data Lo

er.....................................................................

5. ADVANCED ADJUSTMENT PROCEDURE....................................12

5-1 Hei

ht Value Settin

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

5-2 Salt Value Settin

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

5-3 Chan

e the Temp , unit.............................................℃℉ 14

5-4 Auto power ON/OFF..........................................................14

5-5 Chan

e the data lo

er samplin

time...............................

5-6 To show the balance data numbers in the memory.............

5-7 Clear the existin

savin

data from the memory.................

5-8 Code enterin

for the further calibration usa

e...................16

6. SEND THE DATA OUT FROM THE METER................................. 16

7. RS232 PC SERIAL INTERFACE.................................................

8. PROBE MAINTENANCE............................................................19

9. BATTERY REPLACEMENT........................................................ 21

10. OPTIONAL ACCESSORIES......................................................22

1. FEATURES

* 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...

* Heavy duty dissolved oxygen probe, probe head size

can connect with BOD bottle

* Separate probe with 4 meters cable.

* Automatic Temp. compensation from 0 to 50 for sensor.℃

* Build in advanced setting procedures, it can adjust the

" % SALT " & " Height " compensation value.

* Microprocessor circuit assures high accuracy and provides

special functions and features.

* Multi-display, show Dissolved oxygen & Temp. at the

same time.

*RS 232 PC serial interface.

* Build in temperature , measurement.℃℉

*LCD with two display, easy readout.

*Manual and auto data logger, with flexible sampling

time selection, can save max. 1,600 reading data.

*Power function can default to auto off or manual off.

*Temperature unit can default to or .℃℉

*Microcomputer circuit, intelligent function, high accuracy.

*Records Maximum and Minimum readings with recall.

*Data hold function for freezing the desired value.

*Build in the input socket for DC 9V power adapter.

*RS232 PC serial interface.

* Use the durable, long-lasting components, including a

heavy duty & compact ABS-plastic housing case.

2. SPECIFICATIONS

Display LCD size : 44 mm x 29 mm.

Dual function LCD

Circuit Custom one-chip of microprocessor LSI

circuit.

Measurement Dissolved Oxygen 0 to 20.0 mg/L ( liter ).

& Range Oxygen in Air 0 to 100.0 %.

emperature 0 to 50 .℃

Dissolved Oxygen 0.1 mg/L.

Resolution Oxygen in Air 0.1 % O2 .

emperature 0.1 .℃

ccuracy Dissolved Oxygen ± 0.4 mg/L.

(23± 5 )℃Oxygen in Air ± 0.7% O2.

* For reference only

emperature ± 0.8 /1.5 .℃℉

Sensor

he polarographic type oxygen probe with

Structure an incorporated temperature sensor.

Probe

emperature 0 to 50 ,℃

Compensation

* Automatic adj.

and Adjustment Salt

* Manual adj.

0 to 39 %Salt (% Weight)

Height

* Manual adj.

0 to 3,900 meter

Memory Records Maximum, Minimum readings with

Recall recall.

Power of

uto power off saves battery life, or manual

off by push button.

Data Output RS 232 PC serial interface.

Sampling Time Manual Push the data logger button once

of Data Logger will save data one time.

* Set sampling time to 0 second.

Auto 1, 2, 5, 10, 30, 60, 600, 1800,

3600 seconds.

Data Logger Max. 1,600-point Data logger

number

Data Hold Freeze the display reading.

Sampling Time Approx. 1 second.

of display

Data Output RS 232 PC serial interface.

Operating 0 to 50 .℃

Temperature

Operating Less than 80% RH.

Humidity

Power Supply 006P DC 9V battery ( Alkaline or Heavy duty

type ) or DC 9V adapter input.

* AC/DC power adapter is optional.

Power Current Approx. DC 6.2 mA.

Weight 446 g/0.98 LB.

* Include probe and batterry.

Dimension

Main instrument:

135 x 60 x 33 mm.

Oxygen probe :

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

Probe's cable length : 4 meters.

Accessories Oxygen probe ( OXPB-11 )..............1 PC.

Included Soft carrying case ( CA-05A )..........1 PC.

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

Spare Probe head with Diaphragm

OXHD-04....................................... 2 PCs.

Probe-filling Electrolyte

OXEL-03........................................ 1 PC.

Optional * Oxygen probe..................... OXPB-11

probe and * Spare Probe head with

accessories Diaphragm set....................

OXHD-04

*Probe-filling Electrolyte........OXEL-03

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

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

*Data Acquisition software....

SW-U801-WIN

*Data logger software...........SW-DL2005

*Hard carrying case..............

CA-06

*AC to DC 9V adapter

3. FRONT PANEL DESCRIPTION

Fig. 1

Fig. 2

3-1 Display

3-2 Power/ESC/Send button

3-3 FUNC/Hold button ( Send quit/ button )▲

3-4 REC/Enter button

3-5 Setting/Logger button ( button )▼

3-6 Probe input socket

3-7 DC 9V adapter socket

3-8 RS-232 output terminal

3-9 Battery compartment/Cover

3-10 Battery cover screws

3-11 Oxygen Probe handle

3-12 Temperature sensor

3-13 Probe head with diaphragm set

3-14 Protection cover for probe head

3-15 Oxygen probe plug

4. MEASURING PROCEDURE

4-1 Calibration

Before the measurement, the meter should be processed

the following calibration procedures :

1)Connect the " Oxygen probe plug " ( 3-15, Fig. 2 )

into the " Probe input socket " ( 3-6, Fig. 1 ).

2)Power on the instrument by pushing the " Power Off/On

button " ( 3-2, Fig. 1 ).

The " Display " ( 3-1, Fig. 1 ) will show the

" O2% " and the " Temp. " value as example :

21.4

26.4 ℃% O2

The upper display ( %O2 display ) value will

increase, wait for approx. 3 minutes at least

until the upper display reading values become

stable & no fluctuation.

Press the " Hold button " ( 3-3, Fig. 1 ) once, the

" Display " ( 3-1, Fig. 1 ) will show the " Hold "

indicator, then following press the " REC button "

( 3-4, Fig. 1 ) once, the Display will show :

30 Count down from

CAL 30 to 0 and " End "

The text " CAL " will flash, the upper value will

count down from 30 to 0 and " End " , then show as :

20.9

26.4 ℃% O2

The upper 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).

Now the calibration procedures are finished !

Calibration Consideration :

Please process calibration procedures

under wide and ventilating

environment for best effect.

4-2 Dissolved Oxygen ( DO) measurement

1)After the meter be calibrated ( above procedure 4-1 ),

the meter is ready for measurement.

2)Press the " FUNC button " ( 3-3, Fig. 1 ) continuously

at least two seconds, the display indicator will change

from " % O2 " change to " mg/L ".

3)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 automatic temperature

compensation circuit..

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