Lutron Electronics CD-4318SD User manual

SD card real time data logger

TDS ( Total dissolved solids ), Salt

'20 uS/200 uS/2 mS/20 mS/200 mS

CONDUCTIVITY METER

Model : CD-4318SD

our purchase of this

CONDUCTIVITY METER

with SD CARD

DATA LOGGER marks a

step forward for you

into the field o

precision measurement.

Although this meter a

complex and delicate

instrument, its durable

structure will allow

many years of use i

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

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

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

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

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

4. FUNCTION SELECTION.......................................................................

5. CONDUCTIVITY/TDS MEASURING and

CALIBRATION PROCEDURE....................................................................

5-1 Conductivity measurement..........................................................

5-2 TDS ( PPM ) measurement................................................. 9

5-3 Calibration................................................................................ 9

6. SALT MEASURING and calibration PROCEDURE............................

6-1 Salt measurement..........................................................................

6-2 Calibration............................................................................................

7. OTHER FUNCTION.................................................................... 13

7-1 Data Hold.........................................................................................

7-2 Record ( Max./ Min. reading )....................................................................

7-3 LCD Backlight ON/OFF....................................................................

8. DATALOGGER................................................................................ 14

8-1 Preparation before execute datalogger function...............................................................................

8-2 Auto Datalogger ( Set sampling time ≧

1 second ).......................

8-3 Manual Datalogger ( Set sampling time = 0 second ).....................

8-4 Check time annd sampling time information...............................................................................

8-5 SD Card Data structure...............................................................................

9. Saving data from the SD card to the computer............................ 18

10. ADVANCED SETTING...............................................................................

11. POWER SUPPLY from DC ADAPTER.....................................................

12. BATTERY REPLACEMENT.............................................................

13. SYSTEM RESET.................................................................................

14. RS232 PC SERIAL INTERFACE.....................................................

15. OPTIONAL ACCESSORIES......................................................... 28

16. PATENT..................................................................................... 29

1. FEATURES

* One meter for multi purpose operation :

Conductivity, TDS ( Total dissolved solids ), Salt measurement.

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

* Salt : 0 to 12 % salt ( % weight ).

* Conductivity measurement can select Temp. Coefficient

of measurement solution.

* ATC for the conductivity measurement.

* Separate probe, easy for operation of different

measurement environment.

* Real time SD memory card Datalogger, built-in Clock

and Calendar, sampling time can set from 1 sec to 3600 seconds

* Manual datalogger is available, during execute the

manual datalogger function, it can set the different

location no. ( position 1 to position 99 ).

* Innovation and easy operation, computer is not need to

setup extra software, after execute datalogger, just take

away the SD card from the meter and plug in the SD card

into the computer, it can down load the all the measured

value with the time information ( year/month/date/

hour/minute/second ) to the Excel directly, thenuser can

make the further data or graphic analysis by themselves.

* SD card capacity : 1 GB to 16 GB.

* 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.

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.

Datalogger Auto 1 sec to 3600 sec.

Sampling Time @ Sampling time can set to 1 second,

Setting range but memory data may loss.

Manual Push the data logger button

once will save data one time.

@ Set the sampling time to

0 second.

@ Manual mode, can also select the

1 to 99 position ( Location ) no.

Memory Card SD memory card. 1 GB to 16 GB.

Advanced * Set clock time (Year/Month/Date,Hour/Minute/ Second )

setting * Set sampling time

* Auto power OFF management

* Set beep Sound ON/OFF

* Decimal point of SD card setting

* SD memory card Format

* 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.

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.

When SD card save the data and LCD

Backlight is OFF) :

Approx. DC 37 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

Optional * 1.413 mS Conductivity Standard

Accessories Solution................................ CD-14

SD memory card ( 2 GB )

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℃

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

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

3-15 Reset Button 3-18 Probe Handle

3-16 RS-232 Output Terminal 3-19 Sensing head

3-17 SD card socket 3-20 Probe Plug

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 3 kind Mode as :

Conductivity measurement

TDS measurement

Salt measurement

pressing and holding the " FUNCTION Button " ( 3-6, Fig. 1 )

continuously , Display will show the following text in sequence :

Conductivity measurement

TDS measurement

SAL

Salt measurement

Until the Display show the desired mode the meter will

execute this FUNCTION with default.

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.

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