MODELS 482A21 AND 482A22
Low-Noise
Signal Conditioners
For Powering ICP® Pressure, Force, and Vibration Sensors
Ultra Low Noise Floor
High Frequency Response to 1 MHz
Choice of AC or DC Power
Single and Four-Channel Versions
Indicates Faulty Sensors, Cables, or Connections
The Models 482A21 (single-channel) and 482A22 (fourchannel) signal conditioners provide excitation power to
ICP® sensors and condition their measurement signals for
input to analysis and recording instruments. Ultra low-noise
operation is achieved by utilizing a separate AC power
adaptor or battery pack.
The units’ high frequency response, to 1 MHz, permits
accurate capture of extremely fast, transient events as
required for applications such as blast and shock wave
pressure measurements.
As with all PCB® instrumentation, this equipment is
complemented with toll-free applications assistance, 24hour customer service, and is backed by a no-risk policy that
guarantees satisfaction or your money refunded.
Total Customer Satisfaction Guaranteed
MODELS 482A21 AND 482A22
Specifications
Models
Performance
482A21 and 482A22
English
SI
Channels
(Model 482A21)
1
1
(Model 482A22)
4
4
Voltage Gain
1:1
1:1
High Frequency Response
(± 1 %)
(-5 %)
>1000 kHz
>1000 kHz
Low Frequency Response
(-5 %)
<0.1 Hz
<0.1 Hz
26 V FS
26 V FS
Fault/Bias Monitor/Meter
Electrical
Excitation Voltage
(To Sensor)
Constant Current Excitation
25 to 27 VDC
25 to 27 VDC
(To Sensor) [1]
2 to 20 mA
2 to 20 mA
[2]
10 to 15 sec
10 to 15 sec
<20 mV
<20 mV
(1 Hz)
1.11 µV/Hz
-119 dB
Discharge Time Constant
DC Offset
Spectral Noise
Spectral Noise
(10 Hz)
0.14 µV/Hz
-138 dB
Spectral Noise
(100 Hz)
0.07 µV/Hz
-144 dB
Spectral Noise
(1 kHz)
0.04 µV/Hz
-149 dB
Spectral Noise
(10 kHz)
0.03 µV/Hz
-150 dB
Broadband Electrical Noise
(1 to 10,000 Hz)
Power Required
[3]
3.25 µV
-110 dB
36 VDC, 0.12 amps
36 VDC, 0.12 amps
Model 482A21
Dimensions shown are in inches (millimeters)
Physical
Electrical Connector
(Input, sensor)
BNC Jack
BNC Jack
Electrical Connector
(Output)
BNC Jack
BNC Jack
Electrical Connector
(Input DC power)
DIN Jack
DIN Jack
6.3 x 2.4 x 11 in
16 x 6.1 x 28 mm
Model 482A22
1.67 lb
756 gm
Dimensions shown are in inches (millimeters)
Size
(Height x Width x Length)
Weight
Supplied Accessories
Model 017A01 AC Line Cord (1)
Model 488A04 Universal AC power source (1)
Optional Accessories
Model 488B07 DC power pack
Notes
[1] User adjustable, factory set at 4 mA (± 0.5 mA). One control adjusts all channels.
[2] With ≥ 1M ohm input impedance of readout device.
[3] Provided by supplied external DC power supply.
These products conform to applicable European Directives for CE marking.
The Electronics Division of PCB® Piezotronics, Inc. specializes in the development,
application, and support of signal conditioners, cables, and accessories for
a wide variety of sensor interfacing requirements. This product focus, coupled
with the strengths and resources of PCB, permits the Electronics Division
to offer exceptional customer service, 24-hour technical assistance, and
a Total Customer Satisfaction guarantee.
3425 Walden Avenue, Depew, NY 14043-2495 USA
Electronics Division toll free 888-684-0015
24-hour SensorLineSM 716-684-0001
Fax 716-685-3886 E-mail electronics@pcb.com
Web site www.pcb.com
ISO 9001:2000 CERTIFIED
A2LA ACCREDITED to ISO 17025
© 2004 PCB Group, Inc. In the interest of constant product improvement, specifications are subject to change without notice.
PCB and ICP are registered trademarks of PCB Group, Inc.
SensorLine is a service mark of PCB Group, Inc. All other trademarks are properties of their respective owners.
ELE-482A21_A22-1105
Printed in U.S.A.
Visit www.pcb.com to locate
your nearest sales office