A pressure transmitter turns pressure into an electrical signal your PLC can read. Replacing one means matching both how it connects to the process and how it talks to the controller.
Pressure range and reference
- Range: e.g. 0–100 psi, 0–10 bar — match it to the measured pressure (ideally the working pressure sits in the middle of the range).
- Reference: gauge (vs atmosphere), absolute (vs vacuum), or sealed — pick the same type as the original.
- Accuracy class if the application is precise.
Output signal (must match the PLC input)
- 4–20 mA (most common, noise-immune over distance), 0–10V, or ratiometric.
- 2-wire (loop-powered) vs 3-wire; supply voltage (often 24V DC).
- Or a digital protocol (IO-Link, HART) if the system uses one.
Mechanical and material
- Process connection: 1/4 NPT, G1/4, or a sanitary fitting — must thread into your port.
- Wetted material compatible with the media (stainless, ceramic) — important for chemicals and food.
- Electrical connection: M12 connector, DIN 43650, or cable.
Send us the specs
Tell us the range, output, connection and media (or the old part number), and we'll cross-reference a transmitter from brands like WIKA, IFM, Endress+Hauser or Honeywell and quote it.