VARIOHM EPT3100-A-0-50Mb-B-1-A pressure sensor

Automotive and engineering: low-pressure system monitoring

HVAC and refrigeration

Industrial processing and safety systems

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The Variohm EPT3100‑A‑0–50 mB‑B‑1‑A is a stainless steel, piezoresistive pressure transducer with ASIC electronics, designed for low-pressure applications (0–50 mbar) in gas and liquid environments. It offers precise and stable measurements.

Measurement Range: 0–50 mbar (0–0.05 bar)
Accuracy: ±0.5 % FS (gauge); BFSL ≤ 0.15 % FS
Linearity: ≤ 0.15 % FS
Repeatability: ≤ 0.10 % FS
1-Year Stability: ≤ 0.10 % FS
Temperature Coefficients: ≤ 0.15 % FS / 10 K (compensated range)
Overpressure / Burst: 2× / 5× rated (~100 mbar / ~250 mbar)
Pressure Cycles: >10 million
Response Time: ~1 ms (10–90 %)
Shock & Vibration: 1000 G, half-sine 11 ms; 25 G, 20–2000 Hz
Operating Temp: –40 °C to +125 °C (media); –40 °C to +105 °C (ambient)
Ingress Protection: IP66, optionally IP69K

Electrical:

Supply / Output: 12–32 VDC with 0–10 V analog output
Output Impedance: < 100 Ω
Current Draw: < 10 mA
Protections: Reverse polarity and short-circuit

Mechanical:

Housing: 304 stainless steel
Wetted Parts: 17‑4PH stainless; silicone-free; no internal O-rings
Pressure Port: B-type (SAE, UNF thread according to ordering)
Electrical Connection: A-type – 600 mm cable
Weight: ~60 g

Data Sheet