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  • Gia Tốc Kế 3991B1120KG PCB Piezotronics Việt Nam

Gia Tốc Kế 3991B1120KG PCB Piezotronics Việt Nam

Mô tả:

MEMS Shock Accelerometer, 20 Kg, thru hole mount, 096 integral cable

  • Độ nhạy: (±50%) 0,010 mV/g (0,001 mV/(m/s²))
  • Phạm vi đo: ±0 đến 20000 g (±0 đến 196100 m/s² pk)
  • Dải tần số: (1dB) 0 đến 10000 Hz
  • Hình học cảm biến: Hoạt động đầy đủ
  • Gắn: Qua lỗ (2)
  • Trọng lượng: 0,045 oz (1,28 gm)

Thông số kỹ thuật:

PERFORMANCE
Sensitivity (±50 %) (at 10 VDC excitation) 0.010 mV/g 0.001 mV/(m/s²) [2]
Sensitivity 0.001 mV/V/g 0.0001 mV/V/(m/s²) [3]
Measurement Range ±0 to 20000 g ±0 to 196100 m/s² pk  
Frequency Range (1 dB) 0 to 10000 Hz 0 to 10000 Hz  
Resonant Frequency >60 kHz >60 kHz  
Damping Ratio 5 % Critical 5 % Critical [1]
Non-Linearity (per 10,000 g (98,100 m/s²)) ≤1 % ≤1 %  
Transverse Sensitivity ≤3 % ≤3 %  
ENVIRONMENTAL
Overload Limit (Shock) ±60000 g pk ±588400 m/s² pk [5]
Overload Limit (Mechanical Stops) ≥30000 g ≥294200 m/s² pk  
Temperature Range (Operating) -65 to 250 °F -54 to 121 °C  
Temperature Coefficient of Sensitivity -0.11 %/°F -0.20 %/°C [1]
Zero g Offset Temperature Shift ±10 mV ±10 mV [4]
Base Strain Sensitivity 0.10 g/µε 0.98 (m/s²)/µε [1]
ELECTRICAL
Excitation Voltage (Maximum) 15.0 VDC 15.0 VDC  
Current Consumption <3 mA <3 mA  
Input Resistance (±2000 Ohm) 6000 Ohm 6000 Ohm [1] [2]
Output Resistance (±2000 Ohm) 6000 Ohm 6000 Ohm [1] [2]
Offset Voltage ±40 mVDC ±40 mVDC [2]
Settling Time 0.01 sec 0.01 sec [6]
Electrical Isolation (Case) ≥10000000 Ohm ≥10000000 Ohm [7]
PHYSICAL
Sensing Element Piezoresistive MEMS Piezoresistive MEMS  
Sensing Geometry Full Active Full Active  
Housing Material Titanium Titanium  
Sealing Epoxy Epoxy  
Size - Height 0.12 in 3.05 mm  
Size - Length 0.56 in 14.22 mm  
Size - Width 0.28 in 7.11 mm  
Weight (without cable) 0.045 oz 1.28 gm [1]
Electrical Connector Integral Cable Integral Cable  
Electrical Connection Position Side Side  
Cable Type 096 4-cond silicone jacket 096 4-cond silicone jacket  
Cable Termination Pigtail Ends Pigtail Ends  
Cable Length 10 ft 3.05 m  
Mounting Through Holes (2) Through Holes (2)

[1] Typical.
[2] Verified with test data provided on supplied calibration certificate.
[3] Sensitivity is proportional to excitation voltage, and at other excitation values, sensitivity can be predicted from the 10VDC calibrated value with a small (<~.5%) increase in uncertainty.
[1] Typical.
[4] -65 to +250 °F, ref. 75 °F (-54 to +121 °C, ref. 24 °C)
[5] Half-sine pulse duration, >= 20 µsec.
[1] Typical.
[6] Settling Time is the maximum time after power-up for the Offset Voltage to be within +/-2% of Measurement Range output of the final offset value. Mounting surface must be at thermal equilibrium.
[2] Verified with test data provided on supplied calibration certificate.
[7] Individually tested to ensure compliance with specified value.
[1] Typical.
[8] See PCB Declaration of Conformance PS165 for details.

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