Intrinsically safe 4-20 mA velocity transducer with internal Faraday cage ATEX & IECEx Group II approved

The Monitran MTN/2285I Series is an ATEX & IECEx Group II approved, top-entry, velocity transducer designed for continuous vibration monitoring in harsh industrial environments. Built entirely from stainless steel and sealed to IP67, it delivers a two-wire 4–20 mA DC output proportional to sensor range. The internal electronics are enclosed in a Faraday cage and isolated to minimise noise.  Due to its output signal, the sensor can directly be connected to PLCs, DCS systems, and other industrial controllers without the need for additional signal conditioning. The sensor comes with an integral heavy duty stainless steel overbraided ETFE cable (MTN/2285IC), 4-pin M12 connector (MTN/2285I-4P), and 2-pin MS connector (MTN/2285I-2P) and is available with a wide range of mountings and accessories. 

The transducer covers a frequency response of 2 Hz to 1 kHz (±10%) with a dynamic range of 50g peak and transverse sensitivity of less than 5%. Base isolation is included as standard, mounted base resonance is 5 kHz, and temperature sensitivity is just 0.08%/°C across an operating range of −25°C to +90°C. An integral stainless steel overbraided ETFE cable is supplied as standard at 5 m, with a maximum cable run of 100 m. Supply voltage is 12–32 V DC. Weight is approximately 150 g.

Three mounting configurations are available — ¼" UNF Female, Quick-Fit Female, and ½" NPT Male — each offered across five velocity ranges. A wide range of mounting studs, quick-fit adapters, mounting adapters, and isolation adapters is also available separately.

Typical applications include air handling units, building services, and fans.

Browse through the corresponding datasheet for the various ordering options and accessories.