Products

ACCELEROMETER 10MV/G

Model 621C40

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High freq ceramic shear ICP® accelerometer, 10 mV/g, 1.6 to 30k Hz, SS case, top exit, 5-44 connector, frequency sweep ISO 17025 acc cal

Sensitivity: (±10%)10 mV/g (1.02 mV/(m/s²))
Frequency Range: (±3dB)96 to 1800000 cpm (1.6 to 30000 Hz)
Sensing Element: Ceramic
Measurement Range: ±500 g (±4905 m/s²)
Weight: 0.167 oz (4.75 gm)

Specification Notes

[1] Conversion Factor 1g = 9.81 m/s².
[2] Zero-based, least-squares, straight line method.
[3] The high frequency tolerance is accurate within ±10% of the specified frequency.
[4] Typical value.
[5] Frequency response with adhesive base.
[6] Mounted resonance (nominal) without magnet.
[4] Typical value.
[7] Typical.
[8] See PCB Declaration of Conformance PS023 for details.

	English:	SI:
Performance
Sensitivity (±10 %)	10 mV/g	1.02 mV/(m/s²)	[1]
Measurement Range	±500 g	±4905 m/s²
Frequency Range (±10 %)	204 to 1080000 cpm	3.4 to 18000 Hz	[3] [5]
Frequency Range (±3 dB)	96 to 1800000 cpm	1.6 to 30000 Hz	[3] [5]
Resonant Frequency	5100 kcpm	85 kHz	[4] [6]
Broadband Resolution (1)	1.2 mg rms	1176 µm/sec²	[4]
Non-Linearity	±1 %	±1 %	[2]
Transverse Sensitivity	≤5 %	≤5 %
Environmental
Overload Limit (Shock)	10000 g pk	98100 m/s² pk
Temperature Range	-65 to +250 °F	-54 to +121 °C
Temperature Response	See Graph %/°F	See Graph %/°F	[4]
Electrical
Settling Time (within 1% of bias)	≤3.0 sec	≤3.0 sec
Discharge Time Constant	≥0.1 sec	≥0.1 sec
Excitation Voltage	18 to 28 VDC	18 to 28 VDC
Constant Current Excitation	2 to 20 mA	2 to 20 mA
Output Impedance	<100 Ohm	<100 Ohm
Output Bias Voltage	8 to 12 VDC	8 to 12 VDC
Spectral Noise (10 Hz)	100 µg/√Hz	980 (µm/sec²)/√Hz	[4]
Spectral Noise (100 Hz)	30 µg/√Hz	294 (µm/sec²)/√Hz	[4]
Spectral Noise (1 kHz)	10 µg/√Hz	98.1 (µm/sec²)/√Hz	[4]
Physical
Size - Hex	3/8 in	9.6 mm
Size - Height	0.70 in	17.78 mm
Weight	0.167 oz	4.75 gm	[7]
Mounting Thread	5-40 Male	5-40 Male
Mounting Torque	7 to 8 in-lb	79 to 90 N-cm
Sensing Element	Ceramic	Ceramic
Sensing Geometry	Shear	Shear
Housing Material	Stainless Steel	Stainless Steel
Sealing	Welded Hermetic	Welded Hermetic
Electrical Connection Position	Top	Top
Electrical Connections	5-44 Coaxial Jack	5-44 Coaxial Jack