PCB Piezotronics IMI SENSORS 638A06, Installation And Operating Manual, Page: 18 / 19

Model Number
638A 06
ICP® ACCELEROMETER
Revision: B
ECN #: 50419
P erfo rm an ce EN G L ISH SI
Sensitivity(± 10 %) 25 mV/g 2.54 mV/(m/s²) [1]
Measurement Range ± 200 g ± 1,962 m/s²
Frequency Range(± 5 %) 600 to 24,000 cpm 10 to 400 Hz [2]
Frequency Range (± 3 dB) 240 to 90,000 cpm 4 to 1,500 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 ≥ 1,200 kcpm ≥ 20 kHz [3]
Broadband Resolution(1 to 10,000 Hz) 1 mg rms 0.01 m/s² rms [3]
Non-Linearity ± 1 % ± 1 % [4]
Transverse Sensitivity ≤ 5 % ≤ 5 %
En viro n m en tal
Overload Limit(Shock) 1,000 g pk 9,810 m/s² pk
Temperature Range -320 to +250 °F -196 to +121 °C
Temperature Response See Graph See Graph [3]
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 11 VDC 7 to 11 VDC
Spectral Noise(1 Hz) 600 µg/√Hz
5,890 (µm/sec
2
)/√Hz
Spectral Noise (10 Hz) 120 µg/√Hz
1,180 (µm/sec
2
)/√Hz
[3]
Spectral Noise (100 Hz) 36 µg/√Hz
355 (µm/sec
2
)/√Hz
[3]
Spectral Noise (1 kHz) 25 µg/√Hz
250 (µm/sec
2
)/√Hz
[3]
Spectral Noise (10 kHz) 6 µg/√Hz
59 (µm/sec
2
)/√Hz
Electrical Isolation
≥ 10
8
Ohm ≥ 10
8
Ohm
P h ysical
Size (Length x Height x Width) 2.25 in x 1 in x 1 in 57.4 mm x 25.4 mm x 25.4
mm
Weight 6.4 oz 181 gm [3]
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
[7]
[8]
All specifications are at room temperature unless otherwise specified.
In the interest of constant product improvement, we reserve the right to change specifications without notice.
ICP
®
is a registered trademark of PCB Piezotronics, Inc.
EX - Hazardous Area Approval- contact factory for
specific approvals
M - Metric Mount
Supplied Accessory: Model 081M260 Thru bolt M6x1.0 (1)
OP TION A L VERSION S
Optional versions have identical specifications and accessories as listed for the standard model except
where noted below. More than one option may be used.
N OTES:
[1]Conversion Factor 1g = 9.81 m/s².
[2]1Hz = 60 cpm (cycles per minute).
[3]Typical.
[4]Zero-based, least-squares, straight line method.
[5]1/4-28 has no equivalent in S.I. units.
[6]Design hydro tested to 1450 psi [10,000 kPa].
[7]See PCB Declaration of Conformance PS023 for details.
[8]See Model's “Instructions For Use” (IFU) for North American Conformity and Certification
Statements.
Date: 02/19/2020 Date: 02/19/2020 Date: 02/19/2020 Date: 02/19/2020 69962
Entered: LK Engineer: gs Sales: MC Approved: BAM Spec Number:
Phone: 800-959-4464
Fax: 716-684-3823
E-Mail: imi@pcb.com
3425 Walden Avenue, Depew, NY 14043
SU P P L IED A C C ESSORIES:
Model 081A73 Captive mounting bolt 1/4-28 x 1.34" (1)
Model ICS-6 NIST traceable single axis amplitude response calibration from 10 Hz to upper +/- 3dB
point. (1)