832 Series Accelerometer

The Model 832 is a low cost, board mountable triaxial accelerometer.

832 Series Accelerometer

Description: The Model 832 is a low cost, board mountable triaxial accelerometer. Featuring stable piezo-ceramic crystals, the accelerometer incorporates full power and signal conditioning with a maximum current consumption of 4 micro-amps. The model 832 is available in ±25g to ±500g ranges and provides a flat frequency response up to 2kHz. The model 832M1 provides an extended frequency range to 6kHz.

Features:

  • Low Cost Triaxial Piezoelectric Accelerometer
  • <4µA Current Consumption
  • ±25g to ±500g Dynamic Range
  • Circuit Board Mountable
  • Hermetically Sealed
  • Full Power and Signal Conditioning
  • -20° to 80°C Operating Range

Parameters
DYNAMIC Notes
Range (g): ±25 ±50 ±100 ±200 ±500
Sensitivity (mV/g): 50.0 25.0 12.5 6.25 2.5 ±30%
Frequency Response (Hz)1: 2-2000 2-2000 2-2000 2-2000 2-2000 ±2dB
Natural Frequency (Hz): >10000 >10000 >10000 >10000 >10000
Non-Linearity (%FSO): ±2 ±2 ±2 ±2 ±2
Transverse Sensitivity (%): <10 <10 <10 <10 <10
Shock Limit (g): 5000 5000 5000 5000 5000

ELECTRICAL
Bias Voltage (Vdc): Exc Voltage / 2 Exc Voltage / 2 Exc Voltage / 2 Exc Voltage / 2 Exc Voltage / 2
Total Supply Current (µA): <4 <4 <4 <4 <4
Excitation Voltage (Vdc)3: 3.3 to 5.5 3.3 to 5.5 3.3 to 5.5 3.3 to 5.5 3.3 to 5.5
Output Impedance (Ω): <100 <100 <100 <100 <100
Insulation Resistance (MΩ): >100 >100 >100 >100 >100 @100Vdc
Broadband Noise (µV): 300 210 160 150 160 2Hz-10kHz
Spectral Noise (µg/√Hz): 120 120 120 120 400 @ 10Hz
Spectral Noise (µg/√Hz): 80 80 80 80 320 @ 100Hz
Spectral Noise (µg/√Hz): 40 40 40 40 160 @ 1000Hz
Warm-Up Time (msec): 30
Shielding: 100%
Ground Isolation: Isolated from Mounting Surface

ENVIRONMENTAL
Temperature Response (%): -10/ 20 from -20°C to 80°C
Operating Temperature (°C): -20 to 80
Storage Temperature (°C): -20 to 80

PHYSICAL
Sensing Element: Ceramic (shear mode)
Case Material: Ceramic Base, Nickel Silver Cover
Weight (grams): 3.6

1A wider frequency response of 2-6000Hz is available on model 832M1
2The model 832 is not to be reflow soldered at high temperature, manual soldering is recommended. See application note.
3The model 832 can be operated with 2.8V excitation but the full-scale range will be limited.

Calibration supplied: CS-SENS-0100 NIST Traceable Amplitude Calibration at 100Hz

 

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