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cryogenic, industrial, quartz shear icp accel, 25 mv/g, 4 to 1.5khz side exit, 2-pin conn.

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Model 638A06

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Cryogenic, industrial, quartz shear ICP accel, 25 mV/g, 4 to 1.5kHz side exit, 2-pin conn.

Sensitivity: (±10%)25 mV/g (2.54 mV/(m/s²))
Frequency Range: (±3dB)240 to 90000 cpm (4 to 1500 Hz)
Sensing Element: Quartz
Measurement Range: ±200 g (±1962 m/s²)
Weight: 6.4 oz (181 gm)

Specification Notes

[1] Conversion Factor 1g = 9.81 m/s².
[2] 1Hz = 60 cpm (cycles per minute).
[3] Zero-based, least-squares, straight line method.
[4] Typical.
[5] 1/4-28 has no equivalent in S.I. units.
[4] Typical.
[6] Design hydro tested to 1450 psi [10,000 kPa].
[7] See Models's "Instructions for use" (IFU) for North American Conformity and Certification Statements

	English:	SI:
Performance
Sensitivity (±10 %)	25 mV/g	2.54 mV/(m/s²)	[1]
Measurement Range	±200 g	±1962 m/s²
Frequency Range (±5 %)	600 to 24000 cpm	10 to 400 Hz	[2]
Frequency Range (±3 dB)	240 to 90000 cpm	4 to 1500 Hz
Filter Type	Low Pass	Low Pass
Electrical Filter Corner Frequency	1.5 kHz	1.5 kHz
Electrical Filter Roll-off	12 dB/octave	12 dB/octave
Resonant Frequency	≥1200 kcpm	≥20 kHz	[4]
Broadband Resolution (1)	1 mg rms	0.01 m/s² rms	[4]
Non-Linearity	±1 %	±1 %	[3]
Transverse Sensitivity	≤5 %	≤5 %
Environmental
Overload Limit (Shock)	1000 g pk	9810 m/s² pk
Temperature Range	-320 to +250 °F	-196 to +121 °C
Temperature Response	See Graph %/°F	See Graph %/°F	[4]
Electrical
Settling Time (within 1% of bias)	≤3 sec	≤3 sec
Discharge Time Constant	0.05 to 0.5 sec	0.05 to 0.5 sec
Excitation Voltage	18 to 28 VDC	18 to 28 VDC
Constant Current Excitation	1.6 to 20 mA	1.6 to 20 mA
Output Impedance	≤100 Ohm	≤100 Ohm
Output Bias Voltage	7 to 12 VDC	7 to 12 VDC
Spectral Noise (1 Hz)	600 µg/√Hz	5890 (µm/sec²)/√Hz
Spectral Noise (10 Hz)	120 µg/√Hz	1180 (µm/sec²)/√Hz	[4]
Spectral Noise (100 Hz)	36 µg/√Hz	355 (µm/sec²)/√Hz	[4]
Spectral Noise (1 kHz)	25 µg/√Hz	250 (µm/sec²)/√Hz	[4]
Spectral Noise (10 kHz)	6 µg/√Hz	59 (µm/sec²)/√Hz
Electrical Isolation	≥100000000 Ohm	≥100000000 Ohm
Physical
Size - Length	2.25 in	57.4 mm
Size - Width	1 in	25.4 mm
Size - Height	1 in	25.4 mm
Weight	6.4 oz	181 gm	[4]
Mounting Thread	1/4-28 UNF	1/4-28 UNF	[5]
Mounting Torque	2 to 5 ft-lb	2.7 to 6.8 Nm
Sensing Element	Quartz	Quartz
Sensing Geometry	Shear	Shear
Housing Material	Stainless Steel	Stainless Steel
Sealing	Hermetic	Hermetic	[6]
Electrical Connector	2-Pin MIL-C-5015	2-Pin MIL-C-5015
Electrical Connection Position	Side	Side