Y-91

What This Data Means — Quick Selection Guidance

  • Pencil form factor = ideal for space-restricted OEM panels
    Fits inside compressor casings, dosing blocks, AHU manifolds, and dairy nitrogen panels. 
  • Fast (<5 ms) response = accurate PLC loop control
    Great for pneumatic dump valves, pressure cutoff protection, MAP packaging gas skids. 
  • ±1% FS accuracy = utility grade
    Suitable for continuous monitoring, but not for custody transfer or ultra-critical pharma calibration loops. 
  • SS316L wetted parts = corrosion tolerant
    Compatible with industrial air, N₂, CO₂, refrigerants, and non-aggressive liquids. 
  • IP65 = protected against washdown splashes
    Appropriate for dairy utility corridors, compressor rooms, beverage CO₂ lines.
  • Piezoresistive design = stable low-drift feedback

Minimal recalibration for nitrogen, compressed air, and pneumatic actuators.

Description

Baumer Y91 is a pencil-type micro pressure transmitter designed for tight-space industrial environments such as nitrogen panels, pneumatic skids, compressor heads, dairy utility loops, and packaging lines. The slim stainless-steel probe, compact electronics, and fast response ensure stable feedback for PLC loops where accuracy + minimal footprint are required.

Y91 — Key Technical Data & Selection Parameters

Parameter Specification / Details
Measuring Range 0…1 bar to 0…400 bar
Accuracy ±1.0% FS
Output Signal 4–20 mA (2-wire)
Process Connection G¼, ¼ NPT, M10
Electrical Connector DIN EN 175301 or cable
Body / Wetted Material SS316 / SS316L
Media Temp. Range −20 °C to +100 °C
IP Rating IP65
Response Time < 5 ms
Shock / Vibration 100 g shock / 15 g vibration
Sensor Principle Piezoresistive thin-film cell
Application Category OEM pneumatics, nitrogen skids, small hydraulic modules, blow-molding lines, packaging automation

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