LP002 SEN0165 series analog ORP meter redox potentiometer water detection

SEN0165 series analog ORP meter redox potentiometer water detection


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Size : -
Type : -
Style : -
Output Type : -
Model Number : -
DIY Supplies : ELECTRICAL
Certification : NONE
Origin : Mainland China


Special warm reminder:

Now the ORP meter electrodes are changed from black to yellow. Later, the default ment of yellow electrodes is yellow. Please inform each other. Thank you! Welcome to our next visit!

Product Description:

ORP
(also known as redox potential) composite electrodes, composed of gold or platinum electrodes and reference electrodes, are used to measure redox potential of solution.
ORP is the abbreviation of English Oxidation-Reduction Potential, that is, oxidation-reduction potential. ORP is a measurement index of redox capacity, which characterizes the relative degree of redox or reducibility, and its unit is mV. The measuring element is ORP composite electrode, which is composed of gold or platinum electrodes and reference electrodes to measure the redox potential of solution.

Main technical parameters:

At ORP
standard solution
MV
Value:
222
+
15mV (25
Centigrade
)

ORP
Testing in standard solution:

take
ORP
Electrode bonding
PH/mV
The electronic unit is set at
MV
Measuring gear.

take
ORP
The composite electrodes are immersed in standard solution, stirred and stationary, and read after the display value is stabilized, which should conform to the above technical standards.

Technical specifications:

Module power: +5.00V

Module size: 40mmX27mm

Measurement range: -2000mV - 2000mV

Applicable temperature: 5-70 Centigrade

Accuracy: +10mV (25 Centigrade)

Response time: less than 20sec

BNC interface ORP electrode

XHTwo54 interface (3patch)

Zero calibration button

Power indicator lamp

Usage and maintenance:

One

ORP
The composite electrode can be directly used in the instrument without calibration. Only when the of the electrode or the test results are in doubt, standard solution can be used to test its MV value as a method to judge whether the electrode is good or bad.

Two

There is an appropriate amount of electrode immersion solution in the protective bottle of the front end of the electrode. The electrode head is immersed in it. Measure the pronation, loosen the bottle cap, pull out the electrode, wash it with pure water and dry it, then use it (pay attention not to friction the surface of the sensitive element). When measuring, the take electrode should be stirred in the solution and placed statically to accelerate the response. After measuring, take it. The electrodes are washed with pure water, inserted into the protective bottle and tightened to prevent the leaching of the immersion solution. If it is found that the soaking solution in the protective bottle is turbid and mildewed, it should be washed in time and replaced with soaking solution.

Three

Configuration of electrode immersion solution: Take a bag of buffer at pH Four00, dissolve in 250ML pure water, add 56 grams of analytic pure potassium chloride, heated properly in electric furnace, stirring to dissolve completely.

Four

ORP
Cleaning and activation of electrodes: After long-term use of ORP electrodes, contamination of sensitive elements will lead to inaccurate measurement and slow response. At this time, the following methods can be used for cleaning and activation:

A.

For inorganic contamination, the take electrode can enter 0.1 mol/L dilute hydrochloric acid for 30 minutes, wash it with pure water, and then immerse it in the immersion solution of the electrode for 6 hours.

B.

For organic oil contamination and oil film contamination, the sensitive components can be cleaned with detergent, washed with pure water, and then immersed in the electrode immersion solution for 6 hours.

C.

The surface of the sensitive element is seriously polluted. It can be polished with fine metallographic sandpaper. The surface of the sensitive element is washed with pure water and then immersed in the electrode immersion solution for 6 hours.

ping list:

ORP electrode (BNC interface):1

ORP meter circuit board
: 1

Analog connector: 1

Arduino
Program source code

VOLTAGE 5 //system voltage

OFFSET 0 //zero drift voltage

LED 13 //operating instructions

Double orpValue;

ArrayLenth 40 //times of collection

orpPin 1 //orp meter output, connect to Arduino controller ADC
Int orpArray[ArrayLenth];

Int orpArrayIndex=0;

Double avergearray (int* arr, int number) {

Int i;

Int max, min;

Double AVG;

Long amount=0;

If (numbermax){

Amount+=max; //arr> max

Max=arr[i];

}else{

Amount+=arr[i]; //min = orpTimer)

{

OrpTimer=millis () +20;

OrpArray[orpArrayIndex++]=analogRead