VARIOHM EPT3100-E-00250-A-4-A pressure sensor

Automotive, industrial hydraulic/pneumatic systems

Refrigeration and HVAC

Agriculture, construction, off‑road and general industrial processes

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The Variohm EPT3100‑E‑00250‑A‑4‑A is a stainless steel, piezoresistive pressure transducer with ASIC electronics. It measures absolute pressure in the 0–2.5 bar range, delivering high accuracy, long-term stability, and robust performance.

Pressure Range: 0–2.5 bar (code “00250”)
Pressure Type: Absolute
Accuracy: <0.5 % FS (gauge BFSL ≤0.125 %)
Linearity: ≤0.15 % FS
Repeatability: ≤0.10 % FS
1-Year Stability: ≤0.10 % FS
Temp Coefficients: ≤0.15 % FS/10 K (compensated)
Overpressure/Burst: 2× / 5× nominal (~5 bar / ~12.5 bar)
Pressure Cycles: >10 million
Response Time: ~1 ms
Shock/Vibration: 1000 G (0.5 ms); 25 G, 20–2000 Hz
Operating Temperature: –40 °C to +125 °C (ambient +105 °C)
Ingress Protection: IP66 (optional IP69K)

Electrical:

Supply Voltage: 5 VDC (ratiometric)
Output Signal: 0.5–4.5 V (code “4”)
Connection: 600 mm cable (code “A”)
Output Impedance: <100 Ω; Current Draw: <10 mA
Protections: Reverse polarity & short‑circuit protection

Mechanical:

Housing: 304 stainless steel
Wetted Parts: 17‑4PH stainless steel — silicone-free, no O‑rings
Pressure Port: B-type, 3/8″‑24 UNF male
Weight: ~60 g

Data Sheet