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SMP858-NSF Flush diaphragm differential pressure transmitter

Brief introduction

SMP858-NSF Monosilicon pressure transmitter is the best hygienic 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.


Fully-welded structure to reduce the leakage point at utmost.

Without any hygiene residue, meet the highest hygiene standards.

Central diaphragm overload protection structure, the highest overload pressure up to 42MPa.

Available for low range with high overload pressure and high accuracy.

Hygiene design to meet the standard FDA and GMP.

Material and roughness of surface meet the Hygiene standard.


Pressure type: differential pressure

Range: 4kPa~1MPa

Output signal: 4-20mA, 4-20mA+HART

Reference accuracy: ±0.2% URL, ±0.5% URL

Medium: Pharmacy, food, milk, beer, beverage, juice…

Industry application

Pressure, level, differential pressure, flow, interface, density


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