Differential pressure transmitter / membrane / piezoresistive / HART
SMP858-NSF Shanghai LEEG Instruments Co.,Ltd.


  • Pressure type:


  • Technology:

    membrane, piezoresistive

  • Output signal:


  • Mounting:


  • Other characteristics:

    stainless steel, CE, sanitary, with diaphragm seal, high-overpressure, for medical applications, IP67

  • Pressure range:

    Min.: 4000 Pa (0.58 psi)

    Max.: 1000000 Pa (145.04 psi)


SMP858-NSF piezoresistive silicon pressure transmitter is the best sanitary pressure transmitter meticulously designed by LEEG Instrument, with the world’s most advanced silicon pressure sensor technology and patent encapsulation process.
SMP858-NSF adopts full isolation seal structure to eliminate the humidity effects, suitable for severe wet cleaning occasion.
Double diaphragm overload protection structure to achieve the highest overload pressure 42MPa, is suitable for severe pressure overload situations.

1.Fully-welded structure to reduce the leakage point at utmost.
2.Without any hygiene residue, meet the highest hygiene standards.
3.Central diaphragm overload protection structure, the highest overload pressure up to 42MPa.
4.Available for low range with high overload pressure and high accuracy.
5.Hygiene design to meet the standard FDA and GMP.
6.Material and roughness of surface meet the Hygiene standard.

1.Pressure type: pressure, differential pressure
2.Range: 4kPa~1MPa
3.Output signal: 4-20mA, 4-20mA+HART
4.Best Accuracy: 0.2%F.S.
5.Medium: Pharmacy, food, milk, beer, beverage, juice…
6.Application: pressure, level, differential pressure, flow, interface, density


Other Shanghai LEEG Instruments Co.,Ltd. products