PCB Piezotronics IMI SENSORS HT642A02, Installation And Operating Manual, Page: 18 / 20

Model Number
HT642A 02
HIGH TEMPERATURE 4-20 MA OUTPUT VELOCITY SENSOR
Revision: B
ECN #: 49753
P erfo rm an ce EN G L ISH SI
Measurement Range 0.0 to 2.0 in/sec pk 0.0 to 50.8 mm/s pk [1]
Output 4-20 mA 4-20 mA
Frequency Range(± 10 %) 180 to 60 kcpm 3 to 1 kHz [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 257 °F -40 to 125 °C
Enclosure Rating IP68 IP68
Electrical
Excitation Voltage 12 to 30 VDC 12 to 30 VDC
Settling Time(within 2% of value) < 15 sec < 15 sec
Electrical Isolation(Case)
> 10
8
Ohm > 10
8
Ohm
P h ysical
Size - Hex 7/8 in 22.2 mm
Size - Height 1.68 in 42.7 mm
Weight 3.9 oz 111 gm
Mounting Thread 1/4-28 UNF 1/4-28 UNF
Mounting Torque(Stud) 3 to 4 ft-lb 4.1 to 5.4 Nm [5][6]
Mounting Torque (hex nut) 2 to 3 ft-lb 2.7 to 4.1 Nm
Sensing Element Ceramic Ceramic
Sensing Geometry Shear Shear
Housing Material Stainless Steel Stainless Steel
Sealing Welded Hermetic Welded Hermetic
Electrical Connector 2-Pin MIL-C-5015 2-Pin MIL-C-5015
Electrical Connection Position Side Side
Electrical Connections(Pin A) 4-20 mA Pos (+) 4-20 mA Pos (+)
Electrical Connections (Pin B) 4-20 mA Neg (-) 4-20 mA Neg (-)
[7]
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.
M - Metric Mount
Supplied Accessory: Model M080A163A (1)
RV - Buffered Analog Signal Output - 100 mV/g
(±20%)
Electrical Connector 3-Pin MIL-C-5015 3-Pin MIL-C-5015
Electrical Connections 4-20 mA Pos (+) 4-20 mA Pos (+)
Electrical Connections 4-20 mA Neg/Signal Output
Neg
4-20 mA Neg/Signal Output
Neg
Electrical Connections Signal Output Pos Signal Output Pos
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]1Hz = 60 cpm (cycles per minute).
[3]Current will fluctuate at frequencies below 5 Hz.
[4]Typical value.
[5]1/8" hex Allen key required for English version, 3mm hex Allen key required for metric version.
[6]Stud torque must exceed sensor hex nut torque to ensure proper dismantling.
[7]See PCB Declaration of Conformance PS039 for details.
Date: 07/24/2019 Date: 07/24/2019 Date: 07/24/2019 Date: 07/24/2019 36793
Entered: LK Engineer: NJF Sales: MC Approved: NJF Spec Number:
P h o n e: 800-959-4464
F ax: 716-684-3823
E-M ail: im i@ p cb .co m
3425 Walden Avenue, Depew, NY 14043
SU P P L IED A C C ESSORIES:
Model M080A163A (1)
Model 080A162 Mounting Stud (1)
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 (1)