Introduction
The sensor adopts rotary shear force measurement, which has the advantages of high signal sensitivity and strong resistance to zero drift and changes in pulp flow velocity, impact vibration, and the like. S990C internal rotation pulp concentration sensor is the most reliable and stable pulp concentration sensor in application. The sensor adopts the method of pipeline measurement, the installation is simplified, and it is easy to use with the controller and DCS. The sensor has a solid structure and good measurement repeatability, and can give a full range of pulp concentration values. It is suitable for all kinds of pulp measurement, and the measurement is not affected by fiber composition, beating degree, filler, air bubbles, pressure, vibration and so on. The S990C pulp concentration sensor uses a microchip processor to directly convert the shear force signal into the pulp concentration, and considers the compensation of various influencing factors. The sensor uses a built-in conversion curve, pre-calibrated at the factory, one-point calibration on site, easy and accurate installation and adjustment. The sensor can give the absolute value of pulp concentration in the full range. The sensor can be connected to the controller or DCS using standard 4-20mA signals or digital communication. The sensor converter is equipped with a keyboard and a digital display, and the setting operation can be completed directly on the converter without using other auxiliary equipment.
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Advantage
1.The shear force measurement principle and the mature concentration measurement method are suitable for most types of pulp.
2. Sensitive torque sensor, stable and reliable.
3.It is widely used in pipeline measurement.
4.It is used for the measurement and control of pulp concentration in various parts, and also for the ratio and measurement management of pulp.
5.Accurate, stable, reliable and repeatable.
6.Widely used to prove that the maintenance workload is low. Low installation requirements.
Performance
Concentration measurement range 1.0% ~ 16.0% by weight
Sensitivity 0.02% concentration value
Concentration measurement accuracy Measured value × 0.5% or 0.03% concentration value
Repeatability of concentration measurement Measured value × 0.2% or 0.02% concentration value
Concentration measurement response time 10 seconds
Concentration control accuracy measured value × 1.0% (mean square deviation)
Signal output 4-20mA and RS-485
Medium pressure 1MPa \ 1.6MPa \ 2.5MPa Sensor material 0Cr18Ni9 (AISI 304) / 00Cr17Ni14Mo2 (AISI 316L) Medium temperature 5-100 ºC
Sensor operating temperature 0-60 ºC
Instrument operating temperature 0-50 ºC
Operating environment humidity 10-85%
Working voltage AC380V50Hz
Power consumption is less than 400W
Reliability 25000 hours (mean time to failure)
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