PCB Piezotronics CS640B94, Manual, Page: 14 / 27

Model Number
C S640B94
LOOP POWERED, CURRENT OUTPUT, INDUSTRIAL VIBRATION SENSOR
Revision: NR
ECN #: 51542
P erfo rm an ce EN G L ISH SI
Measurement Range 0.0 to 2 in/sec pk 0.0 to 50.8 mm/s pk [1]
Output 4-20 mA 4-20 mA
Frequency Range(± 3 dB) 180 to 60,000 cpm 3 to 1,000 Hz [2][3]
Broadband Resolution 0.01 in/sec pk 0.26 mm/s pk [4]
Non-Linearity ± 1 % ± 1 %
En viro n m en tal
Temperature Range -40 to 176 °F -40 to 80 °C
Electrical
Excitation Voltage 12 to 30 VDC 12 to 30 VDC
Load Resistance 50 (Vs-12) ohms 50 (Vs-12) ohms
Settling Time(within 2% of value) < 15 sec < 15 sec
Electrical Isolation(Case)
> 10
8
Ohm > 10
8
Ohm
P h ysical
Size (Hex x Height) 3.85 in x 5.52 in 98 mm x 140 mm
Weight 1.2 lb 544 gm
Mounting Thread 1/4 NPT No Metric Equivalent
Sensing Element Ceramic Ceramic
Sensing Geometry Shear Shear
Housing Material Stainless Steel Stainless Steel
Electrical Connector Integral Cable Integral Cable
Electrical Connection Position Top Top
Wire Length 36 in 91.44 cm
[5]
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.
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 1 in/sec = 0.0254 m/sec.
[2]Current will fluctuate at frequencies below 5 Hz.
[3]1Hz = 60 cpm (cycles per minute).
[4]Typical.
[5]See PCB Declaration of Conformance PS039 for details.
Date: 03/11/2021 Date: 03/11/2021 Date: 03/11/2021 Date: 03/11/2021 74499
Entered: LK Engineer: gs Sales: JL 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 ICS-4 NIST-traceable single-axis amplitude response calibration from 0 cpm (0 Hz) to upper
10% frequency for 4 - 20 mA output vibration sensor