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            Level Sensors

            liquid level sensor

                Soway Technology has a large number of liquid level sensor products, including reed continuous liquid level sensors, magnetostrictive liquid level sensors, LVDT liquid level sensors, capacitive liquid level sensors and ultrasonic liquid level sensors, which can measure continuous changes in liquid level. Realize the real-time, continuous and high-precision measurement of the liquid level, and realize the functions of measurement, control and measurement.
                There are also float type liquid level switches and capacitive liquid level switches for detecting high and low liquid level points, which can realize high and low liquid level detection, limit and alarm functions in various liquid level containers.
                Widely used in petroleum, chemical, water conservancy, environmental protection, beverage, home appliances, medical and other industries.
             

             

             

            Soway Technology has a large number of liquid level sensor products, including reed continuous liquid level sensors, magnetostrictive liquid level sensors, LVDT liquid level sensors, capacitive liquid level sensors and ultrasonic liquid level sensors, which can measure continuous changes in liquid level. Realize the real-time, continuous and high-precision measurement of the liquid level, and realize the functions of measurement, control and measurement.
            There are also float type liquid level switches and capacitive liquid level switches for detecting high and low liquid level points, which can realize high and low liquid level detection, limit and alarm functions in various liquid level containers.
            Widely used in petroleum, chemical, water conservancy, environmental protection, beverage, home appliances, medical and other industries.

            Magnetostrictive Level Sensor

             

            Explosion-proof magnetostrictive liquid level sensor

            model Power supply

            output signal

            measurement object

            Displacement range(mm)

            linearity error Repeat error
            hysteresis

            resolution(um)

            Temperature Coefficient Operating temperature

            http://www.sowaysensor.com/admin/editor/uploadfile/20151210175017263.jpg

            SFM40S series analog output Default 24V DC (optional 12V DC)

            Voltage

            0~5V or 0~10V

            Liquid level or interface (up to one liquid level and one interface can be measured at the same time)

            80-3000mm

             

            Flexible series3m~23m

             

            ≤±0.05%F.S(minimum ±50μm) ≤±0.002%F.S ≤0.002%F.S

            Adopt 16bit D/A conversion, 0.0015%F.S

            ≤0.007%F.S/℃ -40℃~+85℃
            electric current0~20mAor 4~20mA
            SFM40S Series Digital Output

            Modbus

             

            Liquid level or interface (up to one liquid level and two interfaces can be measured simultaneously)

            5μm

               

            SFMS double float type magnetostrictive liquid level sensor

            model

            output signal measurement object

            Displacement range(mm)

            linearity error Repeat error hysteresis Operating temperature

            resolution(um)

            http://www.sowaysensor.com/admin/editor/uploadfile/20131017164016316.jpg

            SFMS series analog output

            Voltage

            0~5V or 0~10V

             

            Liquid level or interface (up to one liquid level and one interface can be measured at the same time)

            80-3000

             

            ≤±0.05%F.S(minimum ±50μm) ≤±0.002%F.S ≤0.002%F.S -40℃~+85℃

            Adopt 16bit D/A conversion, 0.0015%F.S

            electric current0~20mA or 4~20mA

            SFMS series digital output

            Modbus Liquid level or interface (up to one liquid level and two interfaces can be measured simultaneously)

            5μm

               

            SFM20T Universal Magnetostrictive Liquid Level Sensor

            model Power supply measurement object Displacement range

            output signal

            linearity error Repeat error hysteresis Operating temperature

            SFM20T series analog output Default 24V DC (optional 12V DC) liquid level or interface 80~3000mm

            Voltage
            0~5V or 0~10V

            ≤±0.05%F.S(Minimum±50μm) ≤±0.002%F.S ≤0.002%F.S -40℃~+85℃
            electric current0~20mA or 4~20mA
            SFM20T series digital output Modbus
              

            SFM21T Universal Magnetostrictive Liquid Level Sensor

            model Power supply measurement object Displacement range

            output signal

            linearity error

            Repeat error hysteresis Operating temperature

            SFM21T series analog output Default 24V DC (optional 12V DC) liquid level or interface 80~3000mm Voltage
            0~5V or 0~10V

            ≤±0.05%F.S(minimum ±50μm)

            ≤±0.002%F.S ≤0.002%F.S -40℃~+85℃
            Current 0~20mA or 4~20mA
            SFM21T series digital output Modbus

             

            SFM51F Anti-corrosion Magnetostrictive Level Transmitter (Acid Resistant)

            model Power supply measurement object Displacement range

            output signal

            linearity error Repeat error hysteresis Operating temperature pressure material

            SFM51F series analog output Default 24V DC (optional 12V DC) The liquid level or interface of lye 80~3000mm

            Voltage
            0~5V或0~10V

            ≤±0.05%F.S(minimum ±50μm) ≤±0.002%F.S ≤0.002%F.S -20℃~+85℃ ≤1MPa PFA(strong acid)
            Current 0~20mA or 4~20mA
            SFM51F series digital output The liquid level or interface of lye Modbus

             

            SFM50P Anti-corrosion Magnetostrictive Liquid Level Transmitter
            (alkali resistance)
            model Power supply measurement object Displacement range

            output signal

            linearity error Repeat error hysteresis Operating temperature pressure material

            SFM50P series analog output Default 24V DC (optional 12V DC) The liquid level or interface of lye 80~3000mm

            Voltage
            0~5V or 0~10V

            ≤±0.05%F.S

            (minimum ±50μm)

            ≤±0.002%F.S ≤0.002%F.S -20℃~+85℃ ≤1MPa PP(strong base)
            Current 0~20mA or 4~20mA
            SFM50P series digital output Modbus

             

             

            SFMLE Explosion Proof Flexible Magnetostrictive Liquid Level Sensor

            model Power supply Liquid level range output signal linearity error Repeat error hysteresis Operating temperature Temperature Coefficient

            http://www.sowaysensor.com/admin/editor/uploadfile/20131017164016316.jpg

            SFMSLE Series Analog Output
            Default 24V DC (optional 12V DC)
            3000~23000mm Voltage 0~5V or 0~10V ≤±0.05%F.S(minimum ±50μm) ≤±0.002%F.S ≤0.002%F.S -40℃~+85℃ ≤0.007%F.S/℃
            electric current0~20mA or 4~20mA
            SFMSLE series digital output Modbus

             

            Pressure level sensor

             

            SFP423 Series Pressure Type Liquid Level Sensor

            model Power supply Measurement range

            output signal

            Comprehensive measurement accuracy Temperature measurement range Temperature Measurement Accuracy Temperature Compensation Range Operating temperature storage temperature installation interface Enclosure rating

            SFP series pressure liquid level sensor 5~36 VDC 0~2000mm

            (Range can be customized)

             0.5~4.5V ±1%F.S -40℃~+85℃ ±1℃ -40℃~+85℃ -40℃~+85℃ -55℃~+100℃ Threaded connection (suitable for oil tank drain screw specification) IP65
            RS485(F3 protocol)
            CAN
            PWM signal output

             

             

            SFP423 Series Pressure Type Liquid Level Sensor

            model Power supply Displacement range

            output signal

            Accuracy of liquid level measurement

            Temperature measurement range

            Temperature measurement accuracy Temperature Compensation Range Operating temperature Medium of measurement Probe material enclosure protection class

            SFP series pressure level sensor 5~12VDC 0~1000mm

            (Range can be customized)

             RS485(F3协议) ±0.5%F.S

            -40℃~+85℃

            ±1℃ 0℃~+70℃ -40℃~+85℃ diesel
             
            stainless steel IP65

             

            Submersible liquid level sensor

             

            SYP265L series

            Input pressure sensor
            Measuring medium Power supply Measuring range

            output signal

            overload pressure Medium temperature ambient temperature Storage temperature Relative humidity Rise Time Accuracy Temperature Compensation Range Medium contact material /

            Shell material

            Water and general non-corrosive liquids 9 ~ 36V DC (two-wire system), 24±5V DC (three-wire system) 0~0.01MPa (0~1m water) to 0~1MPa (0~100m water)  0 ~ 5V DC overload pressure -30 ~ +85℃ -20 ~ +85℃ -40 ~ +90℃ ≤ 95% (40℃ ) ≤ 5 milliseconds
            Up to 90% FS
            0.5 class, 0.25 class
            (comprehensive error including non-linearity, repeatability and hysteresis)
            0 ~ 70℃ 304 or

            316 stainless steel
            0 ~ 10V DC
            4 ~ 20mA
            Modbus

            (RS485 or RS232)

             

            float level switch
               

            Level Switch

            model

            Maximum Switching Power

            Maximum Switching Voltage(DC) Maximum Switching Voltage(AC) Maximum switching current(DC)

            Maximum switching current(AC)

            Maximum load current Operating temperature pole length(mm) Float(mm)

            Plastic vertical installation type

            SF112

            1

            10W

            200V 140V 500mA

            500mA

            1.75A -40℃~+80℃ 31.0 Φ24.0×17.0
            2 70W 250V 1000mA 1000mA 2.25A
            3 5W 175V 125V 400mA 280mA 0.5A

             

            Level Switch

            model

            Maximum Switching Power

            Maximum Switching Voltage(DC) Maximum Switching Voltage(AC) Maximum switching current(DC)

            Maximum switching current(AC)

            Maximum load current Operating temperature pole length(mm) Float(mm)

            http://www.sowaysensor.com/admin/editor/uploadfile/20151210191842412.jpg

            Plastic vertical installation type

            SF112S

            1

            10W

            200V 140V 500mA

            500mA

            1.75A -40℃~+80℃ 31.0 Φ19.0×16.5
            2 70W 250V 1000mA 1000mA 2.25A
            3 5W 175V 125V 400mA 280mA 0.5A

             

            Level Switch

            model

            Maximum Switching Power

            Maximum Switching Voltage(DC) Maximum Switching Voltage(AC) Maximum switching current(DC)

            Maximum switching current(AC)

            Maximum load current Operating temperature pole length(mm) Maximum load current(mm)

            http://www.sowaysensor.com/admin/editor/uploadfile/20151210192004258.jpg

            Plastic vertical installation type

            SF113

            1

            10W

            200V 140V 500mA

            500mA

            1.75A -40℃~+80℃ 24.5 Φ18.0×8.2
            2 70W 250V 1000mA 1000mA 2.25A
            3 5W 175V 125V 400mA 280mA 0.5A

             

            Level Switch

             

            Maximum Switching Power

            Maximum Switching Voltage(DC) Maximum Switching Voltage(AC) Maximum switching current(DC)

            Maximum switching current(AC)

            Maximum load current Operating temperature

            http://www.sowaysensor.com/admin/editor/uploadfile/201512101920362.jpg

            Plastic vertical installation type

             

            1

            10W

            200V 140V 500mA

            500mA

            1.75A -40℃~+80℃
            2 70W 250V 1000mA 1000mA 2.25A
            3 5W 175V 125V 400mA 280mA 0.5A
               

            Level Switch

            model

            Rod length (mm)(mm)

            Float(mm)

            http://www.sowaysensor.com/admin/editor/uploadfile/201512101920362.jpg

            Plastic vertical installation type

            SF119

            42.0

            Φ24.0×17.0

            SF11B

            52.0

            Φ24.0×22.0

            SF11D

            85.0

            Φ24.0×22.0

               

            Level Switch

            model

            Maximum Switching Power

            Maximum Switching Voltage(DC) Maximum Switching Voltage(AC) Maximum switching current(DC)

            Maximum switching current(AC)

            Maximum load current Operating temperature pole length(mm) Float(mm)

            http://www.sowaysensor.com/admin/editor/uploadfile/20151210192608198.jpg

            Plastic horizontal installation type

            SF121

            1

            10W

            200V 140V 500mA

            500mA

            1.0A -40℃~+80℃

            64.9

             

            Φ17.0
            2 70W 250V 1000mA 1000mA 1.75A
            3 5W 175V 125V 400mA 280mA 0.5A

             

                  

            Level Switch

            model

            Maximum Switching Power

            Maximum Switching Voltage(DC) Maximum Switching Voltage(AC) Maximum switching current(DC)

            Maximum switching current(AC)

            Maximum load current Operating temperature pole length(mm) Float(mm)

            http://www.sowaysensor.com/admin/editor/uploadfile/20151210191533614.jpg

            Plastic horizontal installation type

            SF122

            1

            10W

            200V 140V 500mA

            500mA

            1.0A -40℃~+80℃

            80

             

            Φ17.5
            2 70W 250V 1000mA 1000mA 1.75A
            3 5W 175V 125V 400mA 280mA 0.5A

             

            Level Switch

            model

            Maximum Switching Power

            Maximum Switching Voltage(DC) Maximum Switching Voltage(AC) Maximum switching current(DC)

            Maximum switching current(AC)

            Maximum load current Operating temperature pole length(mm) Float(mm)

            http://www.sowaysensor.com/admin/editor/uploadfile/2015121019173084.jpg

            Plastic horizontal installation type

            SF126

            1

            10W

            200V 140V 500mA

            500mA

            1.0A -40℃~+80℃ 41.5 Φ26.0×10.0
            2 70W 250V 1000mA 1000mA 1.75A
            3 5W 175V 125V 400mA 280mA 0.5A
            Floating ball level gauge, floating ball level gauge, floating ball level switch 

            Level Switch

            model

            Maximum Switching Power

            Maximum Switching Voltage(DC) Maximum Switching Voltage(AC) Maximum switching current(DC)

            Maximum switching current(AC)

            Maximum load current Operating temperature pole length(mm) Float(mm)

            http://www.sowaysensor.com/admin/editor/uploadfile/20151210193508224.jpg

            Stainless Steel Horizontal Mounting Type

            SF141

            1

            10W

            200V 140V 500mA

            500mA

            1A -40℃~+125℃ 86.0 Φ17.0
            2 70W 250V 1000mA 1000mA 2.25A
            3 5W 175V 125V 400mA 280mA 0.5A

              

            Level Switch

            model

            Maximum Switching Power

            Maximum Switching Voltage(DC) Maximum Switching Voltage(AC) Maximum switching current(DC)

            Maximum switching current(AC)

            Maximum load current Operating temperature pole length(mm) Float(mm)

            http://www.sowaysensor.com/admin/editor/uploadfile/20151210193621702.jpg

            Stainless Steel Horizontal Mounting Type

            SF142

            1

            10W

            200V 140V 500mA

            500mA

            1A -40℃~+125℃ 73.0 Φ17.0
            2 70W 250V 1000mA 1000mA 2.25A
            3 5W 175V 125V 400mA 280mA 0.5A
               

            Level Switch

            model

            Maximum Switching Power

            Maximum Switching Voltage(DC) Maximum Switching Voltage(AC) Maximum switching current(DC)

            Maximum switching current(AC)

            Maximum load current Operating temperature pole length(mm) Float(mm)

            http://www.sowaysensor.com/admin/editor/uploadfile/20151210193949831.jpg

            Stainless Steel Horizontal Mounting Type

            SF131

            1

            10W

            200V 140V 500mA

            500mA

            1A -40℃~+125℃

            46.0

            (customizable by user)

             

            Φ28.6×28.0
            2

            70W

            250V 1000mA 1000mA 2.25A
            3

            5W

            175V 125V 400mA 280mA 0.5A

             

            Dual Point Level Switch

            model

            Maximum Switching Power

            Maximum Switching Voltage(DC) Maximum Switching Voltage(AC) Maximum switching current(DC)

            Maximum switching current(AC)

            Maximum load current Operating temperature pole length(mm) Float(mm)

            http://www.sowaysensor.com/admin/editor/uploadfile/20151210194146667.jpg

            Stainless Steel Vertical Mount Type

            SF131

            1

            10W

            200V 140V 500mA

            500mA

            1A -40℃~+125℃

            187.0

            (customizable by user)

             

            Φ24.0×22.0
            2 70W 250V 1000mA 1000mA 2.25A
            3 5W 175V 125V 400mA 280mA 0.5A
               

            Level Switch

            model

            Maximum Switching Power

            Maximum Switching Voltage(DC) Maximum Switching Voltage(AC) Maximum switching current(DC)

            Maximum switching current(AC)

            Maximum load current Operating temperature pole length(mm) Float(mm)

            http://www.sowaysensor.com/admin/editor/uploadfile/20151210193916327.jpg

            Stainless Steel Vertical Mount Type

            SF132

            1

            10W

            200V 140V 500mA

            500mA

            1A -40℃~+125℃

            81.0

            (customizable by user)

             

            Φ28.6×28.0
            2 70W 250V 1000mA 1000mA 2.25A
            3 5W 175V 125V 400mA 280mA 0.5A

              

            Dual Point Level Switch

            model

            Maximum Switching Power

            Maximum Switching Voltage(DC) Maximum Switching Voltage(AC) Maximum switching current(DC)

            Maximum switching current(AC)

            Maximum load current Operating temperature pole length(mm) Float(mm)

            http://www.sowaysensor.com/admin/editor/uploadfile/20151210194218691.jpg

            Stainless Steel Vertical Mount Type

            SF132

            1

            10W

            200V 140V 500mA

            500mA

            1A -40℃~+125℃

            80.0

            (customizable by user)

             

            Φ28.6×28.0
            2 70W 250V 1000mA 1000mA 2.25A
            3 5W 175V 125V 400mA 280mA 0.5A

             

            Anti-corrosion type side mounted float level switch

            model

             

            SF132

            1
            2
            3

             Magnetic liquid level switch, magnetic water level switch, magnetic liquid level sensor

              
            capacitance level transducer

             

            Capacitive liquid level sensor SFCZ20

            output signal

            Measuring range(mm)

            accuracy

            http://www.sowaysensor.com/admin/editor/uploadfile/20151210200147397.jpg

            直插式

            analog output

            100-2000

            0.25

            digital output

            100-2000

            0.25

             

            SFC520 Series Capacitive Liquid Level Sensor

            output signal

            supply voltage Repeat error Operating temperature

            Measuring range(mm)

            nonlinear error

            直插式

            0~5VDC或0~10VDC(Three-wire system) 5VDC[1] /12VDC[2] /15 ~28V DC <±0.02%F.S -40℃~+85℃

            100~1500mm(customizable by user)

            ±1%F.S 或 ±2%F.S

             RS485 RS232

             

            Capacitive liquid level sensor SFC308Z

            supply voltage electrical output temperature effect material

            Measuring range(mm)

            accuracy

            直插式

            5-9VDC/12-36VDC RS485 / 0.5-4.5 VDC ±0.03% FS/℃ @ 101kPa SS316L+PFA

            100-300mm

            ±1.5% FS @ 101kPa, water, 25℃

               

            Snap-in capacitive liquid level sensor

            output signal

            Measuring range(mm)

            accuracy

            http://www.sowaysensor.com/admin/editor/uploadfile/20120410152818477.jpg

            analog output

            100-2000

            0.25

            digital output

            100-2000

            0.25

               

            Explosion-proof capacitive liquid level sensor

            output signal

            Measuring range(mm)

            accuracy

            http://www.sowaysensor.com/admin/editor/uploadfile/20151210200752335.jpg

            analog output

            100-2000

            0.25

            digital output

            100-2000

            0.25

               

            SFC312 series capacitive liquid level sensor

            Displacement range

            Power supply output signal nonlinear error

            Repeat error

            Operating temperature

            100~1500mm(用户可定制)

            5VDC[1] /12VDC[2] /15 ~28V DC 0~5VDC or 0~10VDC(Three-wire system) ±1%F.S 或 ±2%F.S

            <±0.02%F.S

            -40℃~+85℃

             RS485 RS232
              

            SFC308 系列电容式液位传感器

            Displacement range

             

            Power supply output signal nonlinear error

            Repeat error

            Operating temperature

            http://www.sowaysensor.com/admin/editor/uploadfile/20130716101600499.jpg

            100~1500mm(用户可定制)

            5VDC[1] /12VDC[2] /15 ~28V DC 0~5VDC或0~10VDC(Three-wire system) ±1%F.S 或 ±2%F.S

            <±0.02%F.S

            -40℃~+85℃

             RS485 RS232

             

            Interruptible capacitive liquid level sensor

            output signal

            Measuring range(mm)

            accuracy

            http://www.sowaysensor.com/admin/editor/uploadfile/20130716102250626.jpg

            analog output

            200-300

            0.25

            digital output

            200-300

            0.25

               

            Static capacitance pipe type liquid level switch liquid level switch

            model

             

            http://www.sowaysensor.com/admin/editor/uploadfile/20151210202018131.jpg

            PCR25P34-11N

             

            PCR25P34-26N

             

             

             

             

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