ONOSOKKIAccelerometer with built-in amplifier NP-3121Structure Shear type Model NP-3121 Appearance Product Photo (NP-3121 Acceleration Detector) Sensitivity*1 1.0 mV/(m/s2) ±1 dB Resonance frequency Approx. 50 kHz Frequency range 5 Hz to 5 kHz ±0.5 dB 5 Hz to 10 kHz ±3 dB Maximum measurable acceleration 2,200 m/s2 Shock resistance 10,000 m/s2 Operating temperature range -20 to +110 °C Output impedance 100 Ω or less Body noise 20 μVrms or less 0.02 m/s2 rms or less Drive power 15 to 25 VDC 0.5 to 5 mA Constant current drive (CCLD) Weight 34 g Grounding/Insulation Installation surface insulation