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Introduction

Principle & Structure

The ORP online analyzer is a composite electrode composed of a glass indicator electrode and a reference electrode. The measurement of ORP is based on the potential difference measured in the solution of the working battery composed of the measuring electrode and the reference electrode, and the linear relationship between the ORP value of the solution to be measured and the potential of the working battery is used to realize the online monitoring of ORP.

Features

● Simple cleaning and activation, and fast balancing;

● Visual alarm system;

● Sensor connection status display (online/offline);

● Built-in self-diagnosis function to ensure accurate data;

● The distance between the sensor and the transmitter can reach over 100 meters;

● Standard digital signal output;

● Modular installation of sensors to achieve plug and play;

● English and Chinese display can be switched, and the use of Chinese is more convenient;

application

Online monitoring of ORP in the process flow of sewage treatment plant inlet and outlet, sedimentation tank, biochemical reaction tank, etc.;

ORP monitoring in municipal water supply industry, surface water, aquaculture and other industries;

On-line monitoring of ORP for various industrial process water and wastewater treatment processes.

technical parameter

sensor

Measuring range:﹣2000 mV~+2000mV
measurement accuracy:±5 mV
Pressure range:≤6 bar
Zero mV value:86±15mV (25℃) (in pH7.00 solution containing saturated quinhydrone)
Very poor:≥170mV (25℃) (in pH4 solution containing saturated quinhydrone)
Response time:≤10 seconds (reaching 95% of the end value, stirring state)
Sensor main material:Black polypropylene, Ag/Agcl reference gel
Medium temperature:0~80℃
size:Diameter 30mm*Length 195mm
weight:0.2KG
Protection class:IP68/NEMA6P
cable lengthStandard cable length: 10 meters, can be extended

transmitter

power supply
AC power supply:AC220V、50HZ
DC power supply:DC24V
Main material:PA66+GF25+FR (upper cover) aluminum alloy spray (lower case)
storage temperature:-20~70℃
Operating temperature:-15~60℃
Installation method:Pinch Pipe/Wall Mount/Panel
waterproof level:IP65/NEMA4X
size:145mm*125mm*162mm (L*W*H)
weight:1.3KG
output:Two-way 4-20mA analog output, program setting response parameters and corresponding ranges
Relay:Set three-way relays, program setting response parameters and response values
Digital communications:Equipped with MODBUS RS485 communication function, which can transmit measured values ??in real time

Selection table

AP35A-Redox Potential (ORP) Sensors

Probe Material

polypropylene
Measuring range

-2000...2000mV

cable length

Standard matching cable length 10 meters

M stands for meters, followed by items to represent the actual cable length, up to 100 meters.
The above selection table does not contain selection codes. For selection, please contact the sales staff or email to sales@kewill-auto.cn to obtain a complete sample.
AP35B-Redox Potential ORP Transmitter

Power supply

DC24V

AC220V,50HZ,5W

output signal

Standard configuration: ORP 4...20mA output * 2 outputs + relay output * 3

Standard configuration: ORP 4...20mA*1 output + temperature 4...20mA*1 + relay output*3

Alternatives: Additional Equipment

No additional accessories

Additional configuration: MODBUS-RTU RS485 communication function, which can transmit measured values ??in real time

Matching ABS material instrument protection box

Matching 1.4301 (304) material instrument protection box (indoor)

Matching 1.4435 (316L) material instrument protection box (outdoor)
The above selection table does not contain selection codes. For selection, please contact the sales staff or email to sales@kewill-auto.cn to obtain a complete sample.
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