MRC BCT-4308 Manuale utente

Your purchase of this

BENCH TYPE

CONDUCTIVITY 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

PLEASE READ THIS MANUAL CAREFULLYBEFORE OPERATION

Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 [email protected]

MRC.1.22

Bench type, RS232/USB computer interface

TDS ( Total Dissolved Solids )

CONDUCTIVITY METER

Model : BCT-4308

TABLE OF CONTENTS

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

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

2-1 General Specifications..........................................2

2-2 Electrical Specifications........................................ 4

3. FRONT PANEL DESCRIPTION.....................................5

4. CONDUCTIVITY/TDS MEASURING and

CALIBRATION PROCEDURE.......................................7

4-1 uS, mS measurement..........................................

4-2 TDS ( PPM ) measurement...................................9

4-3 Calibration.......................................................... 10

5. DATA HOLD, DATA RECORD, DATA LOGGER

LCD BACKLIGHT ON/OFF..........................................11

6. ADVANCED ADJUSTMENT PROCEDURE......................

6-1 Check memory space...........................................15

6-2 Clear Memory......................................................15

6-3 Set Date/Time ....................................................16

6-4 Set sampling time ...............................................16

6-5 Auto power OFF management..............................17

6-6 Select the Temp. unit to or ..........................℃℉ 17

6-7 Set CD temperature compensation factor..............18

6-8 ESC....................................................................

7. SEND THE DATA OUT FROM THE METER...................

8. RS232 PC SERIAL INTERFACE....................................21

9. BATTERY REPLACEMENT...........................................23

10. SYSTEM RESET.......................................................23

11. OPTIONAL ACCESSORIES........................................24

1. FEATURES

* Professional bench type meter with large size

LCD display with green color backlight, easy reading.

* One meter for two purpose operation :

Conductivity and TDS ( Total dissolved solids ),

measurement.

*Conductivity : 200 uS/2 mS/20 mS/200 mS.

* Measurement unit can select uS/mS ( conductivity )

or ppm ( TDS )

* Conductivity measurement can select Temp. Coefficient

of measurement solution.

*ATC for the conductivity/TDS measurement.

* Real time data logger ( record year, month, date,

hour, minute, second ), 16,000 data logger.

* Auto data record, 16,000 Data logger no.

* Wide sampling time adjustment range from one

second to 8 hours 59 minutes 59 seconds.

* Auto data logger, manual data logger.

* RS232 computer interface.

* Max., Min., Data hold.

* Can default auto power off or manual power off.

* DC 1.5V ( UM-3, AA ) x 8 PCs or DC 9V adapter in.

* Separate probe, easy for operation of different

measurement environment.

* Wide applications: water conditioning, aquariums,

beverage, fish hatcheries, food processing,

photography, laboratory, paper industry, plating

industry, quality control, school & college, water

conditioning.

2. SPECIFICATIONS

2-1 General Specifications

Circuit Custom one-chip of microprocessor LSI

circuit.

Display LCD size : 82 mm x 61 mm.

* with green color backlight.

Measurement * Conductivity ( uS, mS )

* TDS ( Total Dissolved Solids, PPM )

* Temperature ( , )℃℉

Temperature Automatic from 0 to 60 (32 - 140 ),℃℉

Compensation with temperature compensation factor

variable between 0 to 5.0% per C.

Sampling Time

Auto data logger :

of Data Logger 1 sec to 8 hour 59 min. 59 sec.

Manual data logger :

Set sampling time to 0 second.

Data Hold Freeze the display reading.

Memory Recall Maximum & Minimum value.

Power off Auto shut off saves battery life or

manual off by push Button.

Can default auto power or manual

power off.

When default auto power function,

power will off automatically after

10 minutes, if no Button be pressed.

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 Main instrument 0 to 50 .℃

Temperature Probe 0 to 60 .℃

Operating Less than 80% R.H.

Humidity

Power Supply DC 1.5 V battery ( UM3 ) x 8 PCs,

( Heavy duty type ).

DC 9V adapter input.

@ AC/DC power adapter is optional.

Power Operation ( LCD backlight ON ) :

Consumption Approx. DC 23 mA

Operation ( LCD backlight OFF ) :

Approx. DC 8 mA

Power OFF ( only internal clock running ) :

Approx. DC 1.8 uA.

Weigh

* meter

1049 g/2.3 LB.

Dimension

Meter

225 X 125 X 64 mm

@ Meter Probe

( 8.86 X 4.92 X 2.52 inch )

Accessories Instruction manual.....................

1 PC

Included Conductivity/TDS probe..............

1 PC

Optional * 1.413 mS Conductivity Standard

Accessories Solution..............................

CD-14

* Carrying case......................

CA-3K

* AC to DC 9V adapter.

* RS232 cable, UPCB-02.

*USBcable,USB-01

* Data Acquisition software,

SW-U801-WIN.

*Data Logger software, SW-DL2005.

2-2 Electrical Specifications (23±5 )℃

Conductivity ( uS, mS )

Range Measurement Resolution Accuracy

200 uS 0 to 200.0 uS 0.1 uS

2 mS 0.2 to 2.000 mS 0.001 mS ± (2% F.S.+1d)

20 mS 2 to 20.00 mS 0.01 mS * F.S. - Full scale

200 mS 20 to 200.0 mS 0.1 mS

* Temperature Compensation :

Automatic from 0 to 60 ( 32 - 140 ), with temperature℃℉

compensation factor variable between 0 to 5.0% per C.

* The accuracy is specified under measurement value 100 mS.≦

* mS - milli Simens * @ 23± 5℃

TDS ( Total Dissolved Solids )

Range Measurement Resolution Accuracy

200 PPM 0 to 132 PPM 0.1 PPM

2,000 PPM 132 to 1,320 PPM 1 PPM ± (2% F.S.+1d)

20,000 PPM 1,320 to 13,200 PPM 10 PPM * F.S. - Full scale

200,000 PPM 13,200 to 132,000 PPM 100 PPM

* Temperature Compensation :

Automatic from 0 to 60 ( 32 - 140 ), with temperature℃℉

compensation factor variable between 0 to 5.0% per .℃

* The accuracy is specified under measurement value 66,000 PPM.≦

* PPM - parts per million * @ 23± 5℃

Temperature

Function Measuring Range Resolution Accuracy

℃0 to 60℃℃ 0.1 ℃±0.8℃

℉32 to 140℉℉ 0.1 ℉±1.5℉

* @ 23± 5℃

3. FRONT PANEL DESCRIPTION

Fig. 1-1

Fig. 1-2

3-1 Display

3-2 Power Button ( LCD Backlight Button )

3-3 HOLD Button ( ESC Button )

3-4 REC Button ( Enter Button )

3-5 Zero Button

3-6 Function Button ( Range Button )

3-7 Send Button ( Clock Button )

3-8 SET Button ( Logger Button )

3-9 Up Button▲

3-10 Down Button

▼

3-11 Probe input Socket

3-12 RS232 socket

3-13 Reset button

3-14 DC 9V power adapter socket

3-15 Stand

3-16 Battery Cover/Battery compartment

4. CONDUCTIVITY/TDS MEASURING

and CALIBRATION PROCEDURE

The meter default function are following :

*The display unit is set to conductivity ( uS, mS ).

*The temperature unit is set to .℃

*Temp. compensation factor is set to 2.0% per C.

*Auto range.

*Auto power off.

*The sampling time of data logger function is

2 seconds.

Fig. 2

If the meter is first time to connect

the conductivity probe, it should

execute the calibration procedures

before operation, the calibration

procedures refer chapter 4-3, page 10.

4-1 uS, mS measurement

1)Prepare the Conductivity Probe ( included, CDPB-03 ),

install the " Probe Plug " ( 4-1, Fig. 2 ) into the

" CD Socket " ( 3-11, Fig. 1 ).

2)Power on the meter by pressing " Power Button "

( 3-2, Fig. 1 ) once.

The Display will show " uS " and " Temp. " indicator.

3)Hold the " Probe Handle " ( 4-2, Fig. 2 ) by hand

and let the " Sensing head " ( 4-3, Fig. 2 )

immersed wholly into the measured solution. Shake

the probe to let the probe's internal air bubble drift

out from the sensing head.

4)Display will show the conductivity mS ( uS ) values.

at the same time the left bottom display will show the

Temp. value of the measured solution.

Manual range operation

The meter is default to be used for the auto range

mode.

If intend to let the meter be used under the

manual range mode, the procedures are following :

Press the " Range Button " once a while, it can

change the range, the range name ( Auto, 200 uS, 2

mS, 20 mS, 200 mS ) will show under the

measurement value.

* If the display shows " ", it indicates an

overload condition, select the next higher range.

* If the display shows " ", it indicates an

out-of-range, select the next lower range.

* If intend to change the operation mode from Manual

range back to Auto Range, press the " Range Button

" ( 3-6, Fig. 1 ) once in sequence until the Display

show the text " Auto ", release the " Range Button ",

the meter is ready for the Auto range mode again.

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