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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: SOWAY
  • Model Number: SDMA series
  • Usage: Position Sensor
  • Theory: Magnetostrictive
  • Output: Digital Sensor
  • Communication: EIA-RS485/RS422

Packaging & Delivery

Packaging Details Caton with polybag and epispastic
Delivery Time confirmed after getting order

Technical Parameter


Outputs:Digital—SSI, Modbus, Analog—voltage, current

Measured position: SSI—1 position Modbus—1~3 position Analog—1~2 position

Range: 50~76000mm

Power supply: 24V

Communication: EIA-RS485/RS422

Update time: SSI, Modbus: length       300  750  1000  2000  5000

Frequency                                            3.7   3.0     2.3    1.2    0.5KHz

Operating temperature: -40°to +85°C Storage temperature: 0°to +70°C

Probe endure pressure: less than 34MPa

Insulation: 500VDC


Performance Parameter  



Hysteresis: SSI: 4μm(max, 24- or 25-bit), 2μm(max, 26-bit)  Modbus: 4μm(max) Analog: 0.002%F.(max)

Resolution: SSI: 4μm(max, 24- or 25-bit), 2μm(max, 26-bit) Modbus: 4μm(max) Analog: 16bit D/A output

Temperature coefficient: ±0.007%F.S./°C

System resolution: SSI:1μm,2μm,5μm,10μm,20μm,50μm,100μmselectable 
                               Modbus: 4μm(max) Analog: depends on indicatedcontroller

Zero range: 100%F.S.

Physical Specifications


Probe:          304SS wetted parts or 316SS 
Cover:    Anodized aluminum

Mounting:       threaded flange

Flange standard: GB9115.1-2000

Cable:          integral cable, mating connector, integral connector

Environmental Protection:        IP65

Explosion Proof:  ExdIIBT5 (Flameproof), ExiaIIBT5 (Intrinsic safety)


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