PXI-4022 [NI]
6-Wire Guard and Current Amplifier; 6线保护和电流放大器
| 型号： | PXI-4022 |
| 厂家： | 
National Instruments |
| 描述： | 6-Wire Guard and Current Amplifier |
| 文件： | 总3页 (文件大小：316K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
6-Wire Guard and Current Amplifier
NI PXI-4022 NEW!
• High-speed, high-precision guard and
current amplifier
Operating Systems
• Windows 2000/NT/XP
• Linux
• Applications
• 6-wire guarded measurements
• Low-current measurements
• Used as an accessory to NI PXI-407x
digital multimeters and M Series
data acquisition devices
Recommended Software
• LabVIEW
Driver Software (included)
• NI-DMM
•
200 ꢀV guard accuracy, typical
• 1 0.000ꢁ5 Dꢂ gain
Overview
Guard Output
LO
Blue
Black
Red
+
-
The National Instruments PXI-4022 guard and current amplifier is a PXI
accessory module consisting of a high-speed, high-precision amplifier
that conditions signals for measurement devices. With the guarding
functionality, you can make 6-wire resistance measurements for resistors
connected in a network, on complex printed circuit board layouts, or
cable test applications. For low-current measurements, the NI PXI-4022
amplifier and high-precision resistors create a feedback current
amplifier. This implementation minimizes burden voltages and converts
current to voltage, so you can measure pA signals with fA noise.
Guard Input+
LO
Black
Red
Guard Inputñ
PXI-4022 Guard Mode
Amplifier Output
LO
Blue
Black
Red
+
-
Bias Voltage
Current
Black
Red
Current
Add Functionality to DMMs
and Data Acquisition Devices
100 M
1 M
You can use the PXI-4022 with NI PXI-407x digital multimeters (DMMs)
for 6-wire resistance/capacitance measurements or ultralow-current
measurements in a wide variety of applications. You also can use it with
an M Series data acquisition device to form a low-cost, high-resolution
acquisition module for basic in-circuit test needs.
10 k
PXI-4022 Current Amplifier Mode
Ordering Information
Software
NI PXI-4022............................................................................779614-01
Includes NI-DMM software.
The PXI-4022 is shipped with NI-DMM driver software, an IVI-compliant
driver that provides numerous example programs and access to the
complete functionality of the PXI-4022 through an easy-to-use
application programming interface (API).
Low-leakage, low thermal cable set ....................................779410-01
Low-leakage, low thermal connectivity set..........................779499-01
BUY NOW!
For complete product specifications, pricing, and accessory
information, call (800) 813 3693 (U.S.) or go to ni.com/multimeters.
6-Wire Guard and Current Amplifier
Specifications
Guard Amplifier
Input-output offset................................................................. 200 ꢀV typicalꢃ ꢁ00 ꢀV max
Gain ....................................................................................... 1 0.000ꢁ5 at Dꢂ
Slew rate................................................................................ 40 V/ꢀS minimum
Bandwidth.............................................................................. 1 MHz typical minimum
Current Amplifier
Gain Setting V/A
(Range)
Accuracy1
23 °C 5 °C
Usable Sensitivity2 Settling Time3 Burden Voltage (max)
Tempco/°C
(0 to 55 °C)
108 (100 nA)
106 (10 ꢀA)
104 (1 mA)
0.75 ꢁ pA
0.ꢁ5 0.ꢁ nA
0.ꢁ5 ꢁ0 nA
0.ꢁ pA
ꢁ0 pA
ꢁ nA
100 ms
33 ms
1 ms
20 ꢀV
2 mV
200 mV
0.015 + 0.2 pA
0.00ꢁ5 + 2 pA
0.00ꢁ5 + 200 pA
1Recommended for laboratory enviornments, 0 to 3ꢁ °ꢂ up to 605 relative humidity. 210 Hz bandwidth 310 to 905, 3 dB bandwidth = 0.ꢁ/settling time
Input Characteristics
Input impedance .................................................................... >1010 Ω
Input bias current................................................................... <ꢁ pA at 23 °ꢂ, typical
Output Characteristics
Voltage output range ............................................................. 12 V max
Output drive current............................................................... 1ꢁ mA max
Overvoltage Protection
Guard Out, Guard In+, Guard In-............................................ 120 VAꢂ, continuousꢃ 100 VDꢂ, continuousꢃ 300 VDꢂ (ꢁ s)ꢃ 2ꢁ0 VAꢂ (10 s)
Physical
Dimensions ............................................................................ 10 by 16 cm (3.9 by 6.3 in.)ꢃ single PXI slot, 3U
Environment
Operating temperature .......................................................... 0 to ꢁꢁ °ꢂ
Storage temperature.............................................................. -20 to 70 °ꢂ
Relative humidity................................................................... ꢁ to 8ꢁ5 noncondensing
Pollution degree.....................................................................
Approved at altitudes up to 2000 m
2
Safety
This product is designed to meet the requirements of the following standards of safety for electrical equipment
for measurement, control, and laboratory use:
• IEꢂ 61010-1, EN 61010-1
• UL 61010-1
• ꢂAN/ꢂSA ꢂ22.2 No. 61010-1
Electromagnetic Compatibility
ꢂE, ꢂ-Tick, and Fꢂꢂ Part 1ꢁ (ꢂlass A) ꢂompliant
Emissions ............................................................................... EN ꢁꢁ011 ꢂlass A at 10 m Fꢂꢂ Part 1ꢁA above 1 GHz
Immunity ................................................................................ EN 61326:1997 +A2:2001, Table 1
CE Compliance
This product meets the essential requirements of applicable European Directives, as amended for ꢂE Marking, as follows:
Low-Voltage Directive (safety) .............................................. 73/23/EEꢂ
Electromagnetic ꢂompatibility Directive (EMꢂ).................... 89/336/EEꢂ
BUY ONLINE at ni.com or CALL (800) 813 3693 (U.S.)
2
NI Services and Support
NI has the services and support to meet
Local Sales and Technical Support
your needs around the globe and through
the application life cycle – from planning
and development through deployment
and ongoing maintenance. We offer
services and service levels to meet
customer requirements in research,
design, validation, and manufacturing.
Visit ni.com/services.
In offices worldwide, our staff is local to the country, giving you access
to engineers who speak your language. NI delivers industry-leading
technical support through online knowledge bases, our applications
engineers, and access to 14,000 measurement and automation
professionals within NI Developer Exchange forums. Find immediate
answers to your questions at ni.com/support.
SERVICE
NEEDS
We also offer service programs that provide automatic upgrades to
your application development environment and higher levels of technical
support. Visit ni.com/ssp.
Training and Certification
NI training is the fastest, most certain route to productivity with our
products. NI training can shorten your learning curve, save development
time, and reduce maintenance costs over the application life cycle. We
schedule instructor-led courses in cities worldwide, or we can hold a
course at your facility. We also offer a professional certification program
Hardware Services
NI Factory Installation Services
NI Factory Installation Services (FIS) is the fastest and easiest way to
use your PXI or PXI/SꢂXI combination systems right out of the box.
that identifies individuals who have high levels of skill and knowledge on Trained NI technicians install the software and hardware and configure
using NI products. Visit ni.com/training.
the system to your specifications. NI extends the standard warranty by
one year on hardware components (controllers, chassis, modules)
purchased with FIS. To use FIS, simply configure your system online with
Professional Services
Our Professional Services Team is comprised of NI applications engineers, ni.com/pxiadvisor.
NI ꢂonsulting Services, and a worldwide National Instruments Alliance
Calibration Services
Partner program of more than 600 independent consultants and
integrators. Services range from
start-up assistance to turnkey
NI recognizes the need to maintain properly calibrated devices for
high-accuracy measurements. We provide manual calibration
procedures, services to recalibrate your products, and automated
calibration software specifically designed for use by metrology
laboratories. Visit ni.com/calibration.
system integration.
Visit ni.com/alliance.
OEM Support
We offer design-in consulting and product integration assistance if you
want to use our products for OEM applications. For information about
special pricing and services for OEM customers, visit ni.com/oem.
Repair and Extended Warranty
NI provides complete repair services for our products. Express repair
and advance replacement services are also available. We offer
extended warranties to help you meet project life-cycle requirements.
Visit ni.com/services.
ni.com • (800) 813 3693
National Instruments • info@ni.com
© 2006 National Instruments Corporation. All rights reserved. LabVIEW, National Instruments, National Instruments Alliance Partner, NI, ni.com, and SCXI are
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A National Instruments Alliance Partner is a business entity independent from NI and has no agency, partnership, or joint-venture relationship with NI. 2006-6622-101-D
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