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Introduction

Principle & Structure

Conductivity sensors are glass platinum electrodes. The measuring principle of the instrument is to put two discs (conductive discs) in the sample solution, and add a voltage to the two discs to measure the current. Generally, the voltage is in the form of a sine wave. Conductivity is determined from voltage and current values ??by Ohm's formula.

Features

● Has good repeatability and stability

● Simple cleaning and activation, and fast balancing;

● Automatic temperature compensation function

● Digital sensor, strong anti-interference ability, long transmission distance;

● Standard digital signal output, special transmitter-free industrial and mining can realize integration and networking with other equipment;

● The on-site installation of the sensor is convenient and fast, realizing plug and play;

● A visual alarm system is set up to provide important alarm functions;

● English and Chinese display can be switched, and it is more convenient to use Chinese.

application

Conductivity monitoring in tap water, municipal sewage, aquaculture and other industries;

On-line monitoring of electrical conductivity of various industrial production process water and sewage treatment processes.

technical parameter


Sensor technical parameters

Type A
Pressure range:≤6bar
Measure ambient temperature:0...80℃
Response time:≤10 seconds (reaching 95% of the end value) (after stirring)
Measuring range:10-2,000 μs/cm (electrode constant k=1.0) (range can be customized)

The main material:Black polypropylene housing, glass platinum electrodes
measurement accuracy:±1.5%(FS)
cable length:Standard: 6 meters, can be extended up to 20 meters
size:Diameter 30mm*Length 195mm
weight:0.2KG
waterproof level:IP68/NEMA6P
Type B
Conductivity cell:bipolar
Temperature compensation:NTC10K
Medium temperature:0 to 50°C
Measuring range:0.1~200 μs/cm (electrode constant k=0.1)
0.5~2000 μs/cm (electrode constant k=1.0; range can be customized)
The main material:Body material 316L, measuring part 316L, mounting part ABS
Storage environment:Temperature: -20 to 60℃, Humidity: ≤90%RH (non-condensing)
Sensor size:Diameter 12.8mm*Length 123mm
Pressure resistance:≤3bar
Protection class:IP68/NEMA6P
cable length:5 meters, can be extended up to 30 meters
Type C
Conductivity cell:bipolar
Temperature compensation:NTC10K
Medium temperature:0 to 50°C
Measuring range:20~20000 μs/cm (cell constant k=10)
The main material:Main body material polysulfone, measuring part platinum pole piece, mounting part ABS

Storage environment:Temperature: -20 to 60℃, Humidity: ≤90%RH (non-condensing)
Sensor size:Diameter 23.3mm*Length 123mm
Pressure resistance:≤3bar
Protection class:IP68/NEMA6P
cable length:5 meters, can be extended up to 30 meters
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℃
waterproof level:IP65/NEMA4X
size:145mm*125mm*162mm (L*W*H)
weight:1.3KG
Show output:128*64 graphic dot matrix LCD, with strong LED backlight, can be operated under direct sunlight
output:Two-way 4...20mA analog output (conductivity 1 + conductivity 2 or conductivity + temperature), program setting response parameters and corresponding ranges, maximum load 500 ohms
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

Transmitter Specifications

Selection table

AC35A-Conductivity sensor

Probe material

Black polypropylene housing, glass platinum electrodes

Body material 1.4435 (316L), measuring part 1.4435 (316L), mounting part ABS

Main body material polysulfone, measuring part platinum pole piece, mounting part ABS

Measuring range

0.1...200 μs/cm Micro West per cm

10...2000 μs/cm micros/cm

20...20000 μs/cm Micro West per cm

cable length

Standard matching cable length 5 meters

M stands for meters, followed by items to represent the actual cable length, up to 30 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.
AC35B-Conductivity Transmitter

Power supply

DC24V

AC220V,50HZ,5W

output signal

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

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

Alternatives: Additional Equipment

No additional accessories

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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