MRC CD-4309 User manual

CONDUCTIVITY METER
Model : CD-4309
Your purchase of this
CONDUCTIVITY METER
marks a step forward for you
into the field of
precision measurement.
Although this meter 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: [phone], Fax: [phone]
[email protected]
MRC. 10.18

TABLE OF CONTENTS
1. FEATURES.........................................................................................
1
2. SPECIFICATIONS.........................................................................................
2
2-1 General Specifications................................................................
2
2-2 Electrical Specifications........................................................................
4
3. FRONT PANEL DESCRIPTION...........................................................................
6
4. FUNCTION SELECTION.......................................................................
7
5. CONDUCTIVITY/TDS MEASURING and
CALIBRATION PROCEDURE....................................................................
8
5-1 Conductivity measurement..........................................................
8
5-2 TDS ( PPM ) measurement..................................................................
9
5-3 Calibration................................................................................ 9
6. SALT MEASURING and calibration PROCEDURE............................
12
6-1 Salt measurement..........................................................................
12
6-2 Hardness measurement..........................................................................
12
6-3 Resistance measurement..........................................................................
13
6-4 Calibration............................................................................................
13
7. OTHER FUNCTION.....................................................................................
14
7-1 Data Hold.........................................................................................
14
7-2 Record ( Max./ Min. reading )....................................................................
14
7-3 LCD Backlight ON/OFF....................................................................
15
8. ADVANCED SETTING...............................................................................
16
9. POWER SUPPLY from DC ADAPTER.....................................................
19
10. BATTERY REPLACEMENT.............................................................
19
11. SYSTEM RESET.................................................................................
20
12. RS232 PC SERIAL INTERFACE.....................................................
20
13. OPTIONAL ACCESSORIES..........................................................................
22

1. FEATURES
* One meter for multi purpose operation : Conductivity,
TDS (Total dissolved solids), Salt , Hardness , Resistance measurement.
* Conductivity : 20 uS/ 200 uS/2 mS/20 mS/200 mS.
* Salt : 0 to 12 % salt ( % weight ).
* Hardness : 0 to 100,000 ppm .
* Resistance : 5 ohm to 99.99 M ohm .
* Conductivity measurement can select Temp. Coefficient
of measurement solution.
* ATC for the conductivity measurement.
* Separate probe, easy for operation of different measurement environment.
* LCD with green light backlight, easy reading.
* It can default auto power off or manual power off.
* Data hold, record max. and min. reading.
* Microcomputer circuit, high accuracy.
* Power by UM3/AA ( 1.5 V ) x 6 batteries or DC 9V adapter.
* RS232/USB PC COMPUTER interface.
* 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 : 52 mm x 38 mm
LCD with green backlight ( ON/OFF ).
Measurement * Conductivity ( uS, mS )
Function * TDS ( Total Dissolved Solids, PPM )
* Salt ( % Weight )
* Temperature ( ℃,℉)
Temperature Automatic from 0 to 60 ℃(32 - 140 ℉),
Compensation with temperature compensation factor
variable between 0 to 5.0% per C.
Conductivity Pt glass electrode for long life. Hight performance
Probe for the low conductivity ( pure water ) measurement.
Advanced * Set clock time (Year/Month/Date,Hour/Minute/ Second )
setting * Set sampling time
* Auto power OFF management
* Set beep Sound ON/OFF
* Set temperature unit to ℃or ℉
* Set CD temperature compensation factor
* Set probe CELL K Value
Data Hold Freeze the display reading.
Memory Recall Maximum & Minimum value.
2

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 Meter 0 to 50 ℃.
Temperature Probe 0 to 60 ℃.
Operating Less than 85% R.H.
Humidity
Power Supply
* AC/DC power adapter is optional.
Alkaline or heavy duty DC 1.5 V battery
( UM3, AA ) x 6 PCs, or equivalent.
* AC/DC power adapter is optional.
DC 9V adapter input. ( AC/DC power
adapter is optional ).
Power Current Normal operation ( w/o SD card save
data and LCD Backlight is OFF) :
Approx. DC 6 mA.
* AC/DC power adapter is optional.
If LCD backlight on, the power
consumption will increase approx.
12 mA.
Weight 489 g/1.08 LB.
Dimension Meter 177 x 68 x 45 mm
(7.0 x 2.7x 1.9 inch)
Probe Round,
22 mm Dia. x 120 mm length.
Accessories *
Instruction manual.....................................................
1 PC
Included * Conductivity/TDS/Salt pt glass probe,
CDPB-04...........................................................
1 PC
*
Hard carrying case ( CA-06 )..................................
1 PC
3

Optional * 1.413 mS Conductivity Standard
Accessories
Solution.......................................................
CD-14
AC to DC 9V adapter.
USB cable, USB-01.
RS232 cable, UPCB-02.
Data Acquisition software,SW-U801-WIN.
2-2 Electrical Specifications (23±5
℃
℃℃
℃
)
Conductivity ( uS, mS )
Range Measurement Resolution Accuracy
20 uS 0 to 20.00 uS 0.01 uS
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. -
200 mS 20 to 200.0 mS 0.1 mS full scale
* 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
20 PPM 0 to 13.20 PPM 0.01 PPM
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. -
200,000 PPM 13,200 to 132,000 PPM 100 PPM full scale
* 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℃
4

Temperature
Function Measuring Range Resolution Accuracy
℃0 ℃to 60 ℃0.1 ℃±0.8 ℃
℉32 ℉to 140 ℉0.1 ℉±1.5 ℉
* @ 23±5℃
Salt
Measurement 0 to 12 % salt ( % weight ).
Range
Resolution 0.01 % salt.
Accuracy ± 0.5 % salt value
Hardness
Range Measurement Resolution Accuracy
10 PPM 0 to 10.00 PPM 0.01 PPM
100 PPM 0 to 100 PPM 0.1 PPM
1,000 PPM 100 to 1,000 PPM 1 PPM ±(2% F.S.+1d)
10,000 PPM 1,000 to 10,000 PPM 10 PPM * F.S. -
100,000 PPM 10,000 to 100,000 PPM 100 PPM full scale
Resistance
Range Measurement Resolution Accuracy
automatic Range 5 ohm to 99.99 M ohm 1 ohm ±(2% F.S.+1d)
0.01 M ohm * F.S. -full scale
5

3. FRONT PANEL DESCRIPTION
Fig.1
3-1 Display
3-2 Power Button ( Backlight Button )
3-3 Hold Button
3-4 REC Button
3-5 Range Button ( ▲Button )
3-6 Function Button ( ▼Button )
3-7 Time Button (SET Button)
3-8 Enter Button ( Logger Button )
3-9 Stand
3-10 Battery Compartment/Cover
3-11 Battery Cover Screw
3-12 Tripod Fix Nut
3-13 Probe Socket
3-14 DC 9V Power Adapter Input Socket 3-18 Probe Handle
3-15 Reset Button 3-19 Sensing head
3-16 RS-232 Output Terminal 3-20 Probe Plug
6

4. FUNCTION SELECTION
1) Power ON the meter by pressing and holding the " Power
Button " ( 3-2, Fig. 1 )for at least 1.5 seconds .
*Pressing the " Power Button " ( 3-2, Fig. 1 )
continuously and > 1.5 seconds again will turn off the
meter.
2) The meter can select 5 kind Mode as :
a.
Conductivity measurement
b.
TDS measurement
c.
Salt measurement
d.
Hardness measurement
e.
R
esistance
measurement
pressing and holding the " FUNCTION Button " ( 3-6, Fig. 1 )
continuously , Display will show the following text in sequence :
C
D
Conductivity measurement
TD
S
TDS measurement
SAL
T
Salt measurement
HD
Hardness measurement
R
Resistance
measurement
Until the Display show the desired mode the meter will
execute this FUNCTION with default.
7

5. 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 disable.
* The sampling time of data logger function is
2 seconds.
Fig. 2
5-1 Conductivity measurement
1) Prepare the Conductivity Probe ( CDPB-04, standard
accessory, included ), install the " Probe Plug " ( 3-20,
Fig. 1) into the " Probe Socket " ( 3-13, Fig. 1 ).
2) Power on the meter by pressing and holding " Power Button "
( 3-2, Fig. 1 ) for at least 1.5 seconds .
Select the Meter's measurement FUNCTION to " CD "
( Conductivity measurement ), refer to chapter 4, page 7 .
3) Hold the " Probe Handle " ( 3-18, Fig. 1 ) by hand
and let the " Sensing head " ( 3-19, Fig. 1 )
immersed wholly into the measured solution. Shake
the probe to let the probe's internal air bubble drift
out from the sensing head.
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. by pressing and holding the " Range Button " ( 3-5, Fig. 1 )
continuously in sequence will change the range from 20uS ,
200 uS, 2 mS , 20 mS, 200 mS and auto range.
8

Change the Temp. unit to
℉
℉℉
℉
If intend to change the Temp. unit from ℃to ℉, please
refer to chapter 10-7 page 23.
Change the Temp. Coefficient Factor
The default Temp. compensation factor value of the
measurement solution is to 2.0% per ℃. If intend to
change it, please refer to chapter 10-8, page 24 .
Zero adjustment
If the probe not immerse the measurement solution and
display not show zero value, pressing the " HOLD Button "
( 3-3, Fig. 1 ) continuously at least 10 seconds will let
display show zero. The zero function only valid for the
20 uS range and the not zero value is < 2.0 uS.
5-2 TDS ( PPM ) measurement
The measuring procedures are same as above
5-1 Conductivity ( uS, mS ) measurement,
except to change the display unit from uS, mS to PPM.
The detail procedures please refer chapter 4, page 7 .
5-3 Calibration
conductivity Calibration
1) Prepare the standard conductivity solution ( optional )
For example :
2 mS range calibration solution :
1.413 mS Conductivity Standard Solution, CD-14
200 uS range calibration solution :
80 uS Conductivity Standard Solution
20 mS range calibration solution :
12.88 mS Conductivity Standard Solution
or other Conductivity Standard Solution
2) Install the " Probe Plug " ( 3-20, Fig. 1 ) into the
" CD Socket " ( 3-13, Fig. 1 ).
9

3) Power on the meter by pressing " Power Button "
( 3-2, Fig. 1 ) once.
4) Hold the " Probe Handle " ( 3-18, Fig. 1) by hand
and let the " Sensing head " ( 3-19, Fig. 1 )
immersed wholly into the measured solution. Shake
the probe to let the probe's internal air bubble drift
out from the sensing head.
Display will show the conductivity mS ( uS ) values.
5) Use the two fingers to press the " ▲Button " ( 3-5, Fig. 1 ) " ,
and " ▼Button " ( 3-6, Fig. 1 ) at the same
time. the display will show the following screen as
example(Fig. a), release the both fingers , then Press the
" Enter Button " ( 3-8, Fig. 1 ) , the display will show
the following screen as example (Fig. b).
CD
CAL Fig. a CAL Fig. b
6) Press the " Enter Button " ( 3-8, Fig. 1 ), the measuring
value will present on both upper and lower Display.
Use "▲Button " ( 3-5, Fig. 1 ), " ▼Button " ( 3-6, Fig. 1 )
to adjust the up display value exact same as the standard
conductivity value. Press the " Enter Button " ( 3-8. Fig. 1 )will
save the calibration data and finish the calibration procedures.
Standard value
1.318 1.413
1.318 1.318
*
If only intend to make the one point calibration,
just execute the 2 mS range ( 1.413 mS Cal. )
is enough.
*
Multi-points calibration procedures should
execute the 2 mS range ( 1.413 mS Cal. )
calibration at first, then make other ranges
(20 uS range, 20 mS range or 200 mS range )
calibration procedures following if necessary.
10

Temprature Calibration
1) Install the " Probe Plug " ( 3-20, Fig. 1 ) into the
" CD Socket " ( 3-13, Fig. 1 ).
2) Power on the meter by pressing " Power Button "
( 3-2, Fig. 1 ) once.
3) Hold the " Probe Handle " ( 3-18, Fig. 1) by hand
and let the " Sensing head " ( 3-19, Fig. 1 )
immersed wholly into the measured solution. Shake
the probe to let the probe's internal air bubble drift
out from the sensing head.
Display will show the conductivity mS ( uS ) and Temprature values.
5) Use the two fingers to press the " ▲Button " ( 3-5, Fig. 1 ) " ,
and " ▼Button " ( 3-6, Fig. 1 ) at the same time. the display
will show the following screen as example(Fig. a), release the
both fingers , then Press the " Enter Button " ( 3-8, Fig. 1 ) ,
the display will show the following screen as example (Fig. b).
and press the " ▲Button " ( 3-5, Fig. 1 ) once . the display will
show the following screen as example (Fig. c).
CD TC
CAL CAL CAL
Fig. a Fig. b Fig. C
6) Press the " Enter Button " ( 3-8, Fig. 1 ), the measuring
value will present on both upper and lower Display.
Use "▲Button " ( 3-5, Fig. 1 ), " ▼Button " ( 3-6, Fig. 1 )
to adjust the up display value exact same as the standard
Temprature value. Press the " Enter Button " ( 3-8. Fig. 1 )will
save the calibration data and finish the calibration procedures.
24.5 25.0 Standard value
24.5 24.5
11

6. SALT and Hardness and Resistance
MEASURING and CALIBRATION
6-1 Salt measurement
1) Prepare the Probe ( CDPB-04, same probe as the
conductivity measurement, refere to Fig. 1, page 6 ),
install the " Probe Plug " ( 3-20, Fig. 1 ) into the "
Probe Socket " ( 3-13, Fig. 1 ).
2) Power on the meter by pressing and holding " Power Button "
( 3-2, Fig. 1 ) for at least 1.5 seconds .
Select the Meter's measurement FUNCTION to " SALT", refer
to Chapter 4, page 7 .
3) Hold the " Probe Handle " ( 3-18, Fig. 1 ) by hand
and let the " Sensing head " ( 3-19, Fig. 1 )
immersed wholly into the measured solution. Shake
the probe to let the probe's internal air bubble drift
out from the sensing head.
Display will show the Salt values ( % weight ).
6-2 Hardness measurement
1) Prepare the Probe ( CDPB-04, same probe as the
conductivity measurement, refere to Fig. 1, page 6 ),
install the " Probe Plug " ( 3-20, Fig. 1 ) into the "
Probe Socket " ( 3-13, Fig. 1 ).
2) Power on the meter by pressing and holding " Power Button "
( 3-2, Fig. 1 ) for at least 1.5 seconds .
Select the Meter's measurement FUNCTION to " HD", refer
to Chapter 4, page 7 .
3) Hold the " Probe Handle " ( 3-18, Fig. 1 ) by hand
and let the " Sensing head " ( 3-19, Fig. 1 )
immersed wholly into the measured solution. Shake
the probe to let the probe's internal air bubble drift
out from the sensing head.
Display will show the Hardness values ( ppm ).
12

6-3 Resistance measurement
1) Prepare the Probe ( CDPB-04, same probe as the
conductivity measurement, refere to Fig. 1, page 6 ),
install the " Probe Plug " ( 3-20, Fig. 1 ) into the "
Probe Socket " ( 3-13, Fig. 1 ).
2) Power on the meter by pressing and holding " Power Button "
( 3-2, Fig. 1 ) for at least 1.5 seconds .
Select the Meter's measurement FUNCTION to " R ", refer
to Chapter 4, page 7 .
3) Hold the " Probe Handle " ( 3-18, Fig. 1 ) by hand
and let the " Sensing head " ( 3-19, Fig. 1 )
immersed wholly into the measured solution. Shake
the probe to let the probe's internal air bubble drift
out from the sensing head.
Display will show the Resistance values ( ohm , K ohm , M ohm ).
Remark:
The test function is automotic range
6-4 Calibration
If the conductivity range already make the calibration
completely then the Salt measurement is not necessary to
make the calibration again.
13

7. OTHER FUNCTION
7-1 Data Hold
During the measurement, press the " Hold Button " ( 3-3,
Fig. 1 ) once will hold the measured value & the LCD will
display a " HOLD " symbol.
Press the " Hold Button " once again will release the data
hold function.
7-2 Data Record ( Max., Min. reading )
1) The data record function records the maximum and
minimum readings. Press the " REC Button " ( 3-4, Fig.
1 ) once to start the Data Record function and there
will be a " REC. " symbol on the display.
2) With the " REC. " symbol on the display :
a)
Press the " REC Button " ( 3-4, Fig. 1 ) once, the
" REC. MAX. " symbol and the maximum value
will appear on the display.
b)
Press the " REC Button " ( 3-4, Fig. 1 ) again, the
" REC. MIN. " symbol and the minimum value
will appear on the display.
b)
Press the " REC Button " ( 3-4, Fig. 1 ) again, the
" REC. " symbol and the REC value will appear
on the display.
c)
To exit the memory record function, just press the
" REC " button for 2 seconds at least. The display will
revert to the current reading.
14

7-3 LCD Backlight ON/OFF
After power ON, the " LCD Backlight " will light
automatically. During the measurement, press the
" Backlight Button " ( 3-2, Fig. 1 ) once will turn OFF the
" LCD Backlight ".
Press the " Backlight Button " once again will turn ON the
" LCD Backlight " again.
15

8. ADVANCED SETTING
Under do not execute the Datalogger function,
press the " SET Button " ( 3-7, Fig. 1 ) continuously at
least two seconds will enter the " Advanced Setting " mode.
then press the " SET Button " ( 3-7, Fig. 1 ) once a while
in sequence to select the eight main function, the
display will show :
DAT
E.....
.................
Set clock time ( Year/Month/Date, Hour/Minute/
Second )
PO
FF......
....................
Auto power OFF management
BEEP.......................
Set beeper sound ON/OFF
T CF......................
Select the Temp. unit to ℃or ℉
PCNT
......
............
Set CD temperature compensation factor
CELL
......
...........
CELL K Value setting
Remark :
During execute the " Advanced Setting " function,
if press " HOLD Button " ( 3-3, Fig. 1 ) will exit the
" Advanced Setting " function, the LCD will return
to normal screen.
8-1 Set clock time ( Year/Month/Date,
Hour/Minute/ Second )
When the upper display show " DATE "
1) Use the " ▲Button " ( 3-5, Fig. 1 ) or " ▼Button "
( 3-6, Fig. 1 ) to adjust the value ( Setting start from
Year value ). After the desired value is set, press the
" Enter Button " ( 3-8, Fig. 1 ) once will going to
next value adjustment ( for example, first setting
value is Year then next to adjust Month, Date, Hour,
Minute, Second value ).
Remark :
The adjusted value will be flashed.
16

2) After set all the time value ( Year, Month, Date, Hour,
Minute, Second ), press the " SET Button " ( 3-7, Fig.
1 ) once will save the time value, then the screen will
jump to Sampling time " setting screen ( Chapter 10-2 ).
Remark :
After the time value is setting, the internal clock will
run precisely even Power off if the battery is under
normal condition ( No low battery power ).
8-2 Auto power OFF management
When the lower display show " POFF "
1) Use the " ▲Button " ( 3-5, Fig. 1 ) or " ▼Button "
( 3-6, Fig. 1 ) to select the upper value to "YES " or "NO ".
YES - Auto Power Off management will enable.
N
O
- Auto Power Off management will disable.
2) After select the upper text to " YES " or " NO ", press the
" Enter Button " ( 3-8, Fig. 1 ) will save the setting
function with default.
8-3 Set beeper sound ON/OFF
When the lower display show " BEEP "
1) Use the " ▲Button " ( 3-5, Fig. 1 ) or " ▼Button "
( 3-6, Fig. 1 ) to select the upper value to " YES " or " NO ".
YES - Meter's beep sound will be ON with default.
NO - Meter's beep sound will be OFF with default.
is power ON.
2) After select the upper text to " YES " or " NO ", press the
" Enter Button " ( 3-8, Fig. 1 ) will save the setting
function with default.
17

8-4 Select the Temp. unit to ℃
℃℃
℃or ℉
℉℉
℉
When the lower display show " T CF "
1) Use the " ▲Button " ( 3-5, Fig. 1 ) or " ▼Button "
( 3-6, Fig. 1 ) to select the upper Display text to " C " or " F ".
C - Temperature unit is
℃
℃℃
℃
F - Temperature unit is
℉
℉℉
℉
2) After Display unit is selected to " C " or " F ", press the
" Enter Button " ( 3-8, Fig. 1 ) will save the setting
function with default.
8-5 Set CD temperature compensation factor
When the lower display show " PCNT "
1) This function only for the Conductivity ( PCNT ) mode of
adjusting the probe's Temp.compensation value in
%/per ℃unit. The default value is 2 %/ per ℃.
2) Use the " ▲Button " ( 3-5, Fig. 1 ) or " ▼Button "
( 3-6, Fig. 1 ) to select the upper value to the desired
Temp. compensation value ( %/per ℃), then press the
" Enter Button " ( 3-8, Fig. 1 ) will save the setting
value temporally.
8-6 CELL K Value setting
When the display show " CELL "
When the Display show the text " CELL ", Use the
" ▲Button " ( 3-5, Fig. 1 ) or " ▼Button " ( 3-6, Fig. 1 ) Adjustment
CELL(Probe) K Value setting, than press the " Enter Button "
( 3-8, Fig. 1 ) will save the setting.
18