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

ICP® Accelerometer

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

* All specifications are at room temperature unless otherwise specified.

TempChart

Accessories
Supplied
081A73 1/4-28 x 1.34" hex head captive thru bolt 1
ICS-6 NIST-traceable single axis amplitude response cal from 10 Hz to upper 3 dB point 1

Optional Versions

(M) Metric Mount
Accessories:
Supplied 081M260 Accessory for Vibration Division Product 1