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..........................................
.
8
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......................
.
14
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....................................................................
.
18
7. SEND THE DATA OUT FROM THE METER...................
.
19
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.
1
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.
2
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
t
* 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.
3
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℃
4
3. FRONT PANEL DESCRIPTION
Fig. 1-1
5
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
6
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.
7
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.
8
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