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POP-8300 Free

Chlorine/ClO2 /pH/TEMP Online

Analysis Dosing & Control

Integration System

Instruction Manual

V1.2

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Introduction

Thanks for choosing POP-8300 Free Chlorine/ClO2/ pH/TEMP Online

Analysis Dosing &Control Integration System manufactured by Hebei Create

Instrumentation Technologies Co., Ltd. Proper sensor installation and parameter setting would give maxium performance and advantage of this

instrument for your good usage. So please carefully read this manual before

installation.

This instrument is a precise electrochemical analysis Dosing &Control

Integration System, which should be operated by technicians with relevant

 professional knowledge.

Please contact technical backup of CREATE when you meet any

 problems during installation and usage.

Check the actual product with complete set after you receive the package,

and contact us if any missing or damage.

Our serious promise:

1. The indicator’s quality guarantee is one year from the date of 

 purchasing. During this period, if the meter has quality problems,

manufacturer is responsible for maintenance for free or replacement.

2. We provide lifelong maintenance service for the product whatever you

 purchase from us or distributors.

3. If the damage of the meter is caused by the following reasons, it is out

of the maintenance service:

A).The meter is burned caused by misconnection with high voltage power 

supply or soggy.

B).The meter is refitted or misused without permission.

C).The meter is damaged under the condition out of use environment.

D).The relevant damage caused by choosing the wrong type.

E).The physical damage caused by ultimate load

F).The meter is out of operation caused by improper storage and

transportation (refer to SJ/T10463-93 standard)

G).Consumable material is out of maintenance service.

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Content

I GENERAL INFORMATION..........................................................................  1

I GENERAL..........................................................................................................................1II SYSTEM CHARACTERISTICS.............................................................................................1

III APPLICATIONS................................................................................................................1

IV TECHNICAL INDEX.........................................................................................................2

Ⅱ.INTRODUCTION TO SYSTEM................................................................... 3

I OUTLINE...........................................................................................................................3

II CABINET I NSTALLATION.................................................................................................4

III FLOW CELL PARTS......................................................................................................... 4

IV CHECK BEFORE POWER SUPPLY.....................................................................................5

Ⅲ. OPERATION................................................................................................ 8

I OUTLINE DIMENSION OF CABINET....................................................................................8

II K EY INTRODUCTION........................................................................................................8

III SETTING AND OPERATION..............................................................................................9

IV MAINTENANCE............................................................................................................ 13

V. TROUBLE SHOOTING.............................................................................. 14

VI. COMPLETE SET....................................................................................... 15

VII. ORDER DIRECTORY.............................................................................  15

APPENDIX I.......................................................................................................................16

APPENDIX II..................................................................................................................... 16

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I General information

i General

POP-8300 Free Chlorine/ClO2/pH/TEMP Online analysis dosing &control

integration system comes together intelligent control meter, Free Chlorine/ClO2

sensor, pH sensor, Temp probe and matching constant flow device and other 

relative accessories, with tight structure, easy transportation and installation and

free of maintenance features.

ii System characteristics

1. The indicator, sample treatment and flow devices are integrated to build a good

environment condition for parameter measurement. Complex on-site problems to be collected and eliminated much uncertain factors during application procedure.

2. Wall mounted protection type , sealed cabinet, transparent panel design, system

integration.

3. Build-in filter, constant level and constant flow rate (patent technology) to

ensure the water sample flow constant and measurement data stable.(free

chlorine)

4. Automatic exhausting and anti-siphon device ensure the equal circulation and

always infiltration for all the sensors. (free chlorine)

5. Measurement circuit embedded in the rotor flow meter indicator. Flow rate is

visible. (free chlorine)

iii Applications

1）It is widely used for free chlorine, ClO2, pH, temperature measurement and

time management of municipal water, potable water, food.

2 ） It is widely used for swimming pool, SPA, water-fun facilities and

circulating water systems that have to be monitored on-line.

3) It is widely used for disinfection of impounding reservoir and pollution

water, or other disinfection process concerned with free chlorine and

ClO2.

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iv Technical index

System Model POP-8300A POP-8300B

Meter ModelPOP-8803A POP-8803B

Free Chlorine/pH/Temp.   ClO2/Temp.

Measurement

range

Free Chlorine (0.01~2.00)mg/L（ ppm）(0.01~20.00)mg/L（ ppm）

ClO2   (0.01~2.00)mg/L（ ppm）(0.01~20.00)mg/L（ ppm）

 pH 2.00 ~ 12.00（Free Chlorine）

Temp (0.0~99.9)℃(Temp. compensation component Pt1000）

Resolution

Free Chlorine 0.01mg/L

ClO2   0.01mg/L

 pH 0.01

Temp. 0.1℃

Accuracy

Free Chlorine 90% confidence interval±10％FS

ClO2   90% confidence interval±10％FS

 pH 0.1

Temp. ±0.5℃

Medium pH 6.0~8.0(only for Free Chlorine application)

Temp.   (0.0~40.0)℃

（4~20）mA

Output

Channels Doubles channels

characteristics  Reversible, fully adjustable, instrument/transmitter mode for 

selectionChannels

confi uration  Programmable for free chlorine, ClO2, Temp, pH

Loop

resistance  400Ω(max)，DC24V

Accuracy ±0.1mA

Control port

channels Triple channels

Contact mode Photoelectric semiconductor relayLoad capacity Load current 50mA（max），AC/DC 30V

Functions

selection

Programmable( free chlorine, ClO2, Temp, pH, timing)output；

Communicati

on ort  RS485 MODBUS RTU RS485

Working

 power 

Power supply

voltage  System AC 220V /50Hz

Power 

consum tion  ≤5.5W

Workingenvironment

  temperature：(0~50 )℃；humidity：≤85% RH（none condensation）

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Storage

environment  Temperature：（0~60）℃; humidity：≤85%RH（none condensation）

Protection

level  IP65（ plastic protection cabinet, integration system）

Cabinet

material  PC

Cabinet size   460mm×350mm×165mm（H*W*D）

installation Wall mounted

Cabinetwei ht

  ≤10kg

Pipeline flow   （250-350）   ml/min

 

.Introduction to System

i Outline

POP-8300A /POP-8300B

POP-8300A/POP-8300B

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ii Cabinet Installation

Picture A.

Procedures of installation

A. Please open 4 pcs holes on the wall, reference picture A, recommended hole size

Φ10mm

B. Tighten the screws of rear cover (of cabinet)

C. Fix the cabinet on the wall by setscrew

D. Pull out plug of drain pipe of cabinet.

Make sure the installation horizontally and choose the firm facade plate

where is away from light.

iii Flow cell parts

A. There should be drainage pipe to

lead water from main pipeline. Ball

valve is needed to connect the

drainage pipe with main pipeline.

B. Drainage pipe should use 1/4  〞

 plastic pipe, inlet flow should be less

than 300mL/min.

C. Connect drainage pipe with cabinet. Firstly, take drain plug from drainage pipe

outlet , insert drainage pipe with hose clamp into Outlet of cabinet. , then screwon.

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D. Drain pipe should be led to low level place, and

avoid any knot on pipe.

E. Inlet 1 is for inlet water measurement under normal status.

Note Inlet 2 is for inlet water measurement under testing status.

Inlet 1 is for inlet water measurement under normal status. The system will

measure water from Inlet 1 during normal operation. Press Enter for 10 seconds,system will switch water sample from Inlet 1 to Inlet 2. Meanwhile, system will

shut down all control output, only show measuring value. Inlet 2 is usually used

for testing pre-ACF water (activated carbon filter process)

Please make sure the working environment is in accordance with the

technique requirement.

Flow-chart of Flow Part

1）   If there are so much impurities in water, PP filter is needed (as above

 picture) .

2) Do not use the filter which can absorb Free chlorine; Seriously choose

filter capacity since too big filter may cause lag of measurement data.

3）   Floater should be at scale（250~350） , if isn’t , please increase pressure

to promote flow speed.

4）  Discharged water should be put into where lower than cabinet; Do not

connect drainage pipe into pipe with positive or negative pressure.

iv Check before power supply

1) There is no need to active sensor, because the sensor keep in wet all the

time.

2) Connect with power supply AC 220V/50Hz.

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3) Adjust inlet water ball valve, so the floater can reach target standard.

4)   This equipment can be used directly after ex-factory.（   free chlorine

 buffer solution pH   （ 6.2~6.4）when ex-factory. Please calibrate the

sensor when testing free chlorine, please reference   MEASURMENT CALIBRATION.

5) Please follow the below diagram to connect   （4~20）mA transmitting

/control /RS485 communication (Remove the four screws from the

upper plate, then carefully remove the back cover from the meter )

Wire connection 

24VA   Power input port, DC24V, no polarity connection

24VB

Power input port, DC24V, no polarity

connection

EARTHElectromagnetic compatibility ground

 protection terminal(connect the earth)

SWITCH1   Semiconductor photoelectric Bilateral switch

I outputSWITCH1’

SWITCH2   Semiconductor photoelectric Bilateral switch

II outputSWITCH2’

SWITCH3Semiconductor photoelectric Bilateral switch

SWITCH3’

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III output pH-IN   p pH sensor center line

 pH-ref    pH sensor shielding line

CELL-PFree Chlorine/ ClO2   sensor shielding

line(Green)

CELL-V   Free Chlorine/ ClO2 control line (Red)

CELL-G   Free Chlorine/ ClO2 measuring line (White

TEMP-I   Red wire of Temperature sensor 

TEMP-B   Yellow wire of temperature sensor 

TEMP-G   Green wire of temperature sensor 

RS485A   RS485 port.

RS485B   RS485 port

T1+/T1-First channel mA transmitting mode， powered by

conditioning module

I1+/I1-First channel mA instrument mode， powered by

instrument

T2+/T2-Second channel mA transmitting mode， powered by

conditioning module

I2+/I2-Second channel mA instrument mode， powered by

instrument[note]：System with power supply AC 220V, then AC/DC electric transducer will

convert it to low voltage.

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 . Operation

i Outline dimension of cabinet

POP-8803A main interface POP-8803B main interface

ii Key introduction

Key Name Functions

Back 

key

1.back to previous menu after setting and saving

 parameter 

2.cancel the current setting

3.switch between main monitor and check interface

Select

key

1.cursor movement key

2.left or right option key in parameter setting mode

ADD

key

1.select number 0~9 circularly

2.up and down option key in parameter setting mode

Enter 

key

1.enter into password setting menu

2.confirm parameter saved and enter into the next

menu

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iii Setting and Operation

Press in main display interface and enter into engineer mode, select

engineering authority and input password 1000, then enter into the setting menu.

【 NOTE】：1 Normal user ex-factory password 0000， which can be revised. Please remember 

the new one.

2. ESC can back to checking transmitting status and control status during running.

3. Configuration: this can configure any value.

4. SWITCH3 output is for switching inlet water sample (factory defaults).

iv Measurement calibration

Free Chlorine /ClO2/pH/TEMP is electrochemical sensor, which its sensitivity is

 persistent attenuated with time increased and measured media. It’s determined by

the natural law of the sensor. Calibrating the probe slope to make sure the accuracy

measurement and the calibration period is determined by media.

Soft keyboard

（ prompt）  Function

Cancel the current setting and back to the previous menu

1.scan the upward menu

2. select the number 0~9 circularly

1.scan the downward menu

2.check the parameter setting when enter into the

 parameter checking interface，

1.right-move operation

2.to enter into the parameter reading interface after enter into the parameter checking interface.

Save parameter and enter into the next menuOK

Esc

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Item Menu name Menu functions

1  System

calibration

Free chlorine/ClO2, zero calibration and knownconcentration calibration; pH calibration; calibrated

according to menu prompt (the meter has been calibrated

 before leaving factory). More detail information, pleasecheck the part five.

2  Measurement

 parameter 

Sensor 

 parameter 

The default value is Free chlorine/ClO2

zero /slope parameter ，or set zero/slope

value manually

Unit setting

Free chlorine/ClO2 unit could be selected

 ppm or mg/L，Celsius or Fahrenheit unit

for temperature unit selection

Measurement

rangeselection

0.01-2.00mg/L（ ppm）or 0.01-20.00mg/L

（ ppm）

Filter depth  Adjust the filter depth for optimizing the

measurement parameter.

 pH

temperature

compensation

Manual temperature compensation or 

auto temperature compensation for 

selection（POP8803B no this function）

Running

compensation

setting

Running the compensation adjustment

for parameter measurement error caused

 by uncertain factors of on-siteRestore the

factory default

Restore the missing data caused by

disoperation

3  Control

 parameter 

Three channels photoelectric switch parameter setting:control output configuration for measured parameter /high

/low limit alarm control

4  Transmitting

 parameter 

Two channels transmitting parameter setting, controloutput configuration for measured parameter and improve

the measurement accuracy

5   Communication parameter  setting of RS485 baud rate and address code. Refer toappendix1 for communication protocol.

6  password

setting

Engineer user and common user for secondary permission

setting, sensor permission downward compatibility

7 Time setting Set and modify the clock 

8  Backlight

setting  Remain ON, delay off, brightness adjustment for selection

9  Language

selection

Chinese and English for selection under engineer 

 permission

10  Manufacturer 

informationCheck manufacturer information and website, getcustomer service information

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【 NOTE】：Calibration buffer solution is pH (6.2~6.4) before leaving factory.

Free

Chlorine/ClO2calibrationinterface Calibration process steps

SartSkip

Zero calibration

Put the sensor in water which

without CHL.

0%

1. Please calibrate this sensor regularly due

to keep measurement accuracy.

2. Prepare water which without any

chlorine: Boiled tap water, then after 

cool, please put free chlorine sensor in

the water.

3. Enter normal user interface, choose

SYSTEM CALIBRATION , then enter 

the Calibration term, then calibrate the

sensor by following pictures.

Low concentration medium of free chlorine

calibration: select the suitable buffer solution

according to medium range to calibrate the

sensor; and choose “Free Chlorine pH

Compensation” and adjust pH value of buffer 

solution.

If high ClO2   concentration is known, just

calibrate the sensor within the range which

already indicated in the item

After zero calibration of Free Chlorine and ClO2 probes, put the probes into Free Chlorine or 

ClO2   solution of known concentration. Press

Enter key for Free Chlorine and ClO2 calibration

according to left diagram.

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This interface means the calibration is failed. We

recommend to replace a new probe and

re-calibrate.

If the calibration is succeed, press ESC key and

return to main menu.

 pH calibration interface  Calibration process steps（suitable for 

POP8803A）

1.Do pH slope calibration for the probe when the

 probe is used for a long time or long time no use.

2. Select normal User and enter into SystemCalibration, press Enter key and enter into

calibration options. Operate pH slope calibration

according to left diagram.

3.There are on-line and off-line modes for pH

calibration.

4.On-line calibration, means putting the probe

into the prepared solution for  

calibration(10.00/7.00/4.00 or select acid/neutral

or alkali/ neutral two points).

1. Select on-line mode and press Enter key to

enter into the current temperature setting

interface.

2. Press digit select key and add key to enter into

the current temperature of buffer solution. Then

 press Enter key to save.

1. Please choose buffer solution from 10.00,7.00, 4.00 by order, or 9.18, 6.86, 4.01 by

order.

2. Confirm to continue if pH value is according

with buffer solution

3. Skip to continue if pH value is not

according with buffer solution

4. Press ENTER to confirm whether past or not

after setting.

5. If failed, please re-calibrate.

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According to left diagram, put the cleaned probe

into the prepared buffer solution. Press enter to

save and enter into the next menu.

Check the displayed mA value stable or not.

When the value is stable, press Enter key and

start calibration.

1.This interface shows the calibration is succeedand the program switch to the next buffer 

solution calibration interface automatically.

The calibration process is the same as above.

2. If calibration is failed, the interface shows to

Replace pH sensor.

3.If succeed, there will be a small face.

4.Enter next calibration item.

IV Maintenance

i Cabinet maintenance

a. The installed pipeline should be unblocked. Check connection part, filter,

constant flow device, inlet and outlet often to obverse the sedimentation

generated or not. Please clean if there is sedimentation.

 b. Open blow down valve regularly to clean sedimentation.

c. Please clean the cabinet by Neutral Cleaner, acidic and corrosive strong

solution or abrasives are not allowed.

ii pH probe maintenance

a. pH probe will keep in wet environment, it can work directly after powered.

 b. There is not need to calibrate after a long time powered off, sensor will keep

in wet environment.

c. If probe is slicked by suspended matter ，can use 0.01mol/L HCl or NaOH

solution to clean，then use clear water washing up.

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d. If the instrument still can not be calibrated in above methods，it means the

 probe is invalid, and should be replaced；

e. When calibrate the new sensor please keep buffer solution temperature.

f. Except free chlorine/chlorine dioxide, oxidation and other strong reducing

agents of sensor is sensitive to overlapping;

g. The sensor could not be used for measurement of electrolysis brine sodium

hypochlorite. Since the generated hydrogen ion would damage the platinum

layer and form inverse chlorines reverse current. This will harm the sensor and

reduce sensor working life.

iii. Replacement of probes

a. Please use the original sensor, because different manufacturer different sensor.

 b. Please indicate the system which the sensor used in , manufacture will provided

the replacement.

c. Please do not lengthen or cut short the cable length!

V. Trouble shooting

Common fault inspection and trouble shooting:symptom Possible causes Trouble shooting

 No instrument display

Incorrect connection of 

 power supply

Check whether there is

24v between 24V A/B.

Whether press power 

supply switch.

Serious reading error of Free Chlorine and ClO2.

  Check the flow speed

Adjust inlet ball valve for 

stable flow speed or replace the sensor.

Different Transmitting

data

A. Incorrect

corresponding setting

B. Incorrect receiving

transfer.

A. Reset 4-20mA setting

B. Reset receiving data

transfer 

Incorrect pH value  A. Calibrate the sensor 

B. pH sensor failed

A. Calibrate pH slope

B. Replace the sensor 

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VI. Complete Set

Model

name

POP-8300A POP-8300B

Main parts

POP-8803A POP-8803BFree chlorine sensor    ClO2 sensor 

 pH sensor Temperature sensor 

Temperature sensor 

P33 flow device *3 P33 flow derive *3

Filter device Filter device

Stable flow speed device Stable flow speed device

Cabinet Cabinet

Manual Manual

Certificate Certificate

Other parts 1/4" plastic pipe（5 meters）Ball adjustment valve（1 pc）

Drain pipe（1 pc）

Hose clamp（1 pc）

M6 setscrew（4 pcs）

VII. Order Directory

Please indicate the following items before ordering:

1）  Free chlorine or ClO2 measurement should be indicated.

2）The measurement range of Free Chlorine and ClO2

3) Which industry the meter will be used for.

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Appendix I

RS485 communication protocol.

Please set baud rate and ADDRESS of meter to connect with host computer.

 NOTE: Please log on our website for this protocol

Website: http://www.createc.cn

Appendix II

i mA transmitting wiring diagram

Diagram：Internal and external

connection in instrumentation

mode

Diagram: internal and

external connection in

transmitting mode

[Note]  ：  The second mA

transmitting connection is

same as the above diagram.

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ii Electrical wiring connection diagram

With intermediate relay to expand drive high pressure or dynamic load

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 photoelectric switch can control metering pump

iii Control diagram

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High and low limit can control pH