Lutron Electronics CD-4322 User manual
1,600 point data logger, RS232, AC/DC adapter
2,000 uS 20 mS, 100 mS, auto range, auto calibration
CONDUCTIVITY
METER
Model : CD-4322
Your purchase of this
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
TABLE OF CONTENTS
1. FEATURES....................................................................... 1
2. SPECIFICATIONS............................................................. 2
3. FRONT PANEL DESCRIPTION...........................................
.
4
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
g
/Lo
gg
er button ( button ).............................▼4
3-6 Probe input socket.....................................................
.
4
3-7 DC 9V adapter socket.................................................4
3-8 RS-232 output terminal..............................................
.
4
3-9 Battery compartment/Cover........................................4
3-10 Battery cover screws................................................
.
4
3-11 Probe Handle........................................................... 4
3-12 Sensin
g
Electrode.....................................................4
3-13 Probe Plu
g
............................................................... 4
4. MEASURING PROCEDURE.................................................6
4-1 Conductivity Measurement..........................................6
4-2 TDS Measurement......................................................6
4-3 Data Hold..................................................................7
4-4 Data Record ( Max., Min. readin
g
)..............................7
4-5 Data Lo
gg
er...............................................................8
5. ADVANCED ADJUSTMENT PROCEDURE.............................10
5-1 Temp. compensation factor settin
g
.............................
.
11
5-2 Chan
g
e the Temp , unit......................................℃℉ 11
5-3 Auto power ON/OFF...................................................12
5-4 Chan
g
e the data lo
gg
er samplin
g
time........................
.
12
5-5 To show the balance data numbers in the memory......
.
12
5-6 Clear the existin
g
savin
g
data from the memory..........
.
13
5-7 Code enterin
g
for the further calibration usa
g
e............
.
13
6. SEND THE DATA OUT FROM THE METER.......................... 13
7. RS232 PC SERIAL INTERFACE..........................................
.
15
8. BATTERY REPLACEMENT..................................................17
9. CALIBRATION..................................................................17
10. OPTIONAL ACCESSORIES...............................................19
1. FEATURES
* * 3 measurement range, 2,000 uS, 20 mS, 100 mS with
auto range.
* Function : Conductivity, TDS.
* Separate probe, easy for operation of different
measurement environment.
* Automatic temperature compensation range : 0 to 50 .℃
* Carbon rod electrode for long life.
* Innovative feature with built-in automatic temperature
compensation factor adjustable between 0 to 5.0% per .℃
* Selecting " 0% per " of Temp. Coefficient Adjust,℃
allows you to take uncompensated conductivity
readings ( absolute conductivity measurement ).
* Microprocessor circuit assures high accuracy and provides
special functions and features.
* Multi-display, show Conductivity and Temp. value at the
same time.
* Data hold function for freezing the desired value.
* Records max. and min. value with recall.
* Build in temperature , measurement with default.℃℉
*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.
*Build in the input socket for DC 9V power adapter.
* Use the durable, long-lasting components, including a
heavy duty & compact ABS-plastic housing case.
* RS232/USB PC serial interface.
* Applications for Aquarium, Medical research, Agriculture,
Fish hatcheries, Laboratory, Water conditioning, Mining
industry, Schools & Colleges, Quality control...
industry, quality control, school & college, water
conditioning.
1
2. SPECIFICATIONS
Display LCD size : 44 mm x 29 mm.
Dual function LCD
Circuit Custom one-chip of microprocessor LSI
circuit.
Function : Conductivity, TDS.
Ran
g
es and
Conductivity ran
g
e :
Resolution 2000 uS/20.00 mS/100 mS.
Conductivity resolution :
* three ran
g
e
s
1 uS/0.01 mS/0.1 mS.
* auto ran
ge
T
DS ran
g
e :
1200 ppm/12,000 ppm/66,000 ppm.
T
DS resolution :
1 ppm/10 ppm/100 ppm.
Accuracy ± ( 2% FS + 1 d )
* 23 ± 5
℃
* FS : full scal
e
Temperature Automatic from 0 to 50 (32 - 122 ),℃℉
Compensation with temperature compensation factor
variable between 0 to 5.0% per C.
Conductivity Carbon rod electrode for lon
g
life.
Probe
Structure
Memory Records Maximum, Minimum readin
g
s with
Recall recall.
Power of
f
Auto power off saves battery life, or manual
off by push button.
* Auto power off :
Power will off automatically after 10 min., if no button
be pressed.
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
2
Data Hold Freeze the display reading.
Sampling Time Approx. 1 second.
of display
Data Output RS 232/USB PC serial 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 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 5.7 mA.
Weight 295 g/0.65 LB.
* Include probe and batterry.
Dimension
Main instrument :
135 x 60 x 33 mm.
Conductivity Probe :
Round, 22 mm Dia. x 120 mm length.
Accessories Conductivity probe..........................1 PC.
Included Operation manual...........................1 PC.
Optional * 1.413 mS Conductivity Standard
Accessories Solution..............................
.
CD-14
* RS232 cable........................UPCB-02
* USB cable...........................
.
USB-01
* Data Acquisition software.....SW-U801-WIN
* Data lo
gg
er software...........
.
SW-DL2005
* Hard carryin
g
case...............CA-06
* Soft carryin
g
case................CA-05A
* AC to DC 9V adapter
3
3. FRONT PANEL DESCRIPTION
Fig. 1
4
Fig. 2
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 Probe Handle
3-12 Sensing Electrode
3-13 Probe Plug
5
4. MEASURING PROCEDURE
4-1 Conductivity measurement
1)Turn on the meter by pressing the " Power Button "
( 3-2, Fig. 1 ) momentarily.
* Press the " Power Button " ( 3-2, Fig. 1 )
momentarily again will turn off the meter.
Connect the " Probe Plug " ( 3-13, Fig. 2 ) into the
" Probe input socket " ( 3-6, Fig. 1 ).
The " Display " ( 3-1, Fig. 1 ) will show the unit as :
0
xx,x ℃uS
Now the meter is ready for the conductivity measurement.
2)Hold the " Probe Handle " ( 3-11, Fig. 2 ) by hand and
immerse the " Sensing Electrode " ( 3-12, Fig. 2 )
immersed wholly into the measured solution. Shake the "
Sensing Electrode " to let the electrode's internal air
bubble drift out from the sensing Electrode.
" Display " ( 3-1, Fig, 1 ) will show the conductivity
mS ( uS ) values, at the same time the left bottom
display will show the Temp. value of the measured
solution.
*
The method to change the Temp. unit from
" " to " " or " " to " ", please refer to :℃℉℉℃
Chapter 5-2 Change the Temp , unit, page 11.℃℉
6
When make the
measurement should
immerse the " Sensing
Electrode " immersed
wholly into the measured
solution.
4-2 TDS measurement
1)During the above 4-1 Conductivity measurement, if
press the " Hold button " ( 3-3, Fig. 1 ) continuously at
least two seconds will enter into the function of TDS
measurement with default, the display will show as :
0
xx,x ℃PPM
Other TDS measurement procedures are similar as Conductivity
measurement
2)During the TDS measurement, if press the " Hold
button " ( 3-3, Fig. 1 ) continuously at least two
seconds again will enter into the function of
Conductivity measurement with default, refer
section 4-1.
7
4-3 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.
4-4 Data Record ( Max., Min. reading )
* 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.
* With the " REC " symbol on the display :
a)Press the " REC button " ( 3-4, Fig. 1 ) once, the
" REC MAX " symbol along with the maximum value
will appear on the display.
If intend to delete the maximum value, press the
" Hold button " ( 3-3, Fig. 1 ) once, the display will
show the " REC " symbol only & execute the
memory function continuously.
b)Press the " REC button " ( 3-4, Fig. 1 ) again, the
" REC MIN. " symbol along with the minimum value
will appear on the display.
If intend to delete the minimum value, press the
" Hold button " ( 3-3, Fig. 1 ) once, then the display
will show the " REC " symbol only & execute the
memory function continuously.
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.
4-5 Data Logger
The data logger function can save 1,600-point measuring
data.
8
Table of contents
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