200155-21-05 Bently Nevada | New Accelerometer

Overview of Bently Nevada 200155-21-05 Accelerometer

This 200155-21-05 Low Frequency Trendmaster Pro Accelerometer combines fin-fan monitoring accuracy with a dual-diameter stud adapter, backed by a 1-year warranty.

Mounting Stud & Suffix Details

The “21” suffix denotes a 3/8-24 outer diameter to M6×1 inner diameter adapter, 1.375″ hex plate stud. The “05” indicates low-frequency acceleration-to-velocity channel type.

Electrical Performance

Sensitivity @ 80 Hz: 10.2 mV/(m/s²) (100 mV/g)

Measurement Range: ±196 m/s² (±20 g)

Line Frequency Rejection: ≥ 40 dB at 50/60 Hz

RFI Immunity: ≥ 60 dB at 1 MHz

Mechanical & Stability

Resonant Frequency: > 20 kHz

Amplitude Linearity (1–10 g pk): ± 2 %

Transverse Sensitivity: ≤ 7 %

Shock Recovery Time: ≤ 5 ms after 5 000 g shock

MTBF: 120 000 hours

Environmental Specifications

Operating: – 40 °C to + 105 °C

Survival: – 55 °C to + 125 °C

Axial Shock Limit: 49 050 m/s² (5 000 g)

Pressure Range: 0.1 to 2 bar

Humidity: 100 % condensing

Physical & Materials

Size: 17.5 mm hex × 45.7 mm height

Weight: 58 g

Housing: 316L stainless steel; Element: Shear ceramic

Seal Integrity: ≤ 5×10⁻⁸ atm·cc/s