·It's rugged design with pigtail structure and winding coil on the difference direction
　·ensure stability of all the parameter.
　·Spurious frequency greater than 200HZ

Maintain consistency of parameters after  falling 5000 times.
　·Main parameters are controlled with ±5%

Specifications(at  20℃):

20DX8 20DX10 20DX14 20DX28 20DX35 20DX40 20DX60 20DX100 Natural Frequency(Hz) 8±5% 10±5% 14±5% 28±5% 35±5% 40±5% 60±5% 100±5% Open Circuit Damping 0.38±5% 0.30±5% 0.22±5% 0.27±5% 0.39±5% 0.369±5% 0.503±5% — Damping with Shunt Resistance 0.71±5% 0.70±5% 0.51±5% 0.552±5% 0.612±5% 0.57±5% 0.60±5% 0.63±5% Intrinsic Voltage Sensitivity(V/cm·s-1) 0.28±5% 0.28±5% 0.28±5% 0.39±5% 0.41±5% 0.415±5% 0.351±5% — Sensitivity with Shunt Resistance (V/cm·s-1) 0.23±5% 0.20±5% 0.20±5% 0.28±5% 0.296±5% 0.30±5% 0.27±5% 0.25±5% Shunt Resistance (Ω) 1000 1000 1000 1000 1500 1500 2000 1100 Coil Resistance (Ω) 395±5% 395±5% 395±5% 395±5% 575±5% 575±5% 600±5% 820±5% Distortion(%) ＜0.2 ＜0.2 ＜0.2 ＜0.2 ＜0.2 ＜0.2 ＜0.2 ＜0.2 Typical Spurious Frequency (Hz)  ≥180  ≥200  ≥250  ≥350  ≥380  ≥500  ≥550  ≥600 Suspending Mass (g) 11.0±5% 11.0±5% 11.0±5% 11.0±5% 8.2±5% 8.2±5% 6.5±5% 7.6±5% Case to Coil Motion p-p (mm) 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.0 Maintains Specification to Tilt 20° 20° 20° 90° 90° 90° 90° 90° Basic Unit Diameter (mm) 25.4 25.4 25.4 27.0 27.0 27.0 27.0 27.0 Basic Unit High (mm) 33.5 33.5 33.5 33.5 33.5 33.5 33.5 33.5 Basic Unit Weight (g) 87 87 87 100 95 95 95 95 Operating Temperature(℃) -40—+90 -40—+90 -40—+90 -40—+90 -40—+90 -40—+90 -40—+90 -40—+90 Warranty(year) 3 3 3 3 3 3 2 2