USER GUIDE AND SPECIFICATIONS
NI USB-9215 Series
4-Channel, ±10 VDC, 16-Bit Simultaneous Sampling Analog
Input Devices
This user guide describes how to use the National Instruments USB-9215
Series and lists the specifications. In this document, the NI USB-9215/9215A
with screw terminal or backshell and NI USB-9215A with BNC are referred to
inclusively as the NI USB-9215 Series.
Introduction
The NI USB-9215 Series data acquisition devices provide a USB interface
for four channels of 16-bit simultaneous sampling analog inputs with
integrated signal conditioning. The NI USB-9215 Series consists of
two components: an NI 9215 module and an NI USB-9161/9162 USB
carrier, as shown in Figure 1.
NI 9215
NI USB-9161/9162
NI USB-9215 Series
Figure 1. NI USB-9215 Series Components
Dimensions
140.23 mm
(5.521 in.)
137.82 mm
(5.426 in.)
Figures 2 and 3 show the NI USB-9215 Series device dimensions.
Hi-Speed USB Carrier
NI USB-9162
120.68 mm
(4.751 in.)
118.26 mm
(4.656 in.)
140.66 mm
(5.538 in.)
138.30 mm
(5.445 in.)
120.68 mm
(4.751 in.)
118.26 mm
(4.656 in.)
88.12 mm
(3.469 in.)
25.34 mm
(0.998 in.)
Figure 2. NI USB-9215 (Screw Terminal) in Millimeters (Inches)
Hi-Speed USB Carrier
NI USB-9162
88.12 mm
(3.469 in.)
25.34 mm
(0.998 in.)
Figure 3. NI USB-9215 (BNC) in Millimeters (Inches)
NI USB-9215 Series User Guide and Specifications 2 ni.com
Safety Guidelines
Operate the NI USB-9215 Series only as described in these operating
instructions.
Note Although the NI 9215 module may have more stringent certification standards than
the NI USB-9215 Series, when used with the NI USB-9161/9162 carrier, the combined
system may be limited. Refer to the Specifications section of this document for more
details.
Hot Surface This icon denotes that the component may be hot. Touching this component
may result in bodily injury.
Caution Do not disconnect I/O-side wires or connectors unless power has been switched
off or the area is known to be nonhazardous.
Caution Do not remove modules unless power has been switched off or the area is known
to be nonhazardous.
Caution The NI USB-9215 Series is not certified for use in hazardous locations.
Safety Guidelines for Hazardous Voltages
If hazardous voltages are connected to the module, take the following
precautions. A hazardous voltage is a voltage greater than 42.4 V
60 VDC to earth ground.
or
pk
Caution Ensure that hazardous voltage wiring is performed only by qualified personnel
adhering to local electrical standards.
Caution Do not mix hazardous voltage circuits and human-accessible circuits on the same
module.
Caution Make sure that devices and circuits connected to the module are properly
insulated from human contact.
Caution When module terminals are live with hazardous voltages, make sure the terminals
are not accessible by using the high voltage screw terminal backshell. Refer to the
Assembling the High Voltage Screw Terminal Backshell section for more information.
© National Instruments Corporation 3 NI USB-9215 Series User Guide and Specifications
Related Documentation
Each application software package and driver includes information about
writing applications for taking measurements and controlling measurement
devices. The following references to documents assume you have
NI-DAQmx 8.7 or later, NI-DAQmx Base version 3.x, and where
applicable, version 7.1 or later of the NI application software.
NI-DAQmx for Windows
The DAQ Getting Started Guide describes how to install your NI-DAQmx
for Windows software, how to install your NI-DAQmx-supported DAQ
device, and how to confirm that your device is operating properly. Select
Start»All Programs»National Instruments»NI-DAQ»DAQ Getting
Started Guide.
The NI-DAQ Readme lists which devices are supported by this version of
NI-DAQ. Select Start»All Programs»National Instruments»NI-DAQ»
NI-DAQ Readme.
The NI-DAQmx Help contains general information about measurement
concepts, key NI-DAQmx concepts, and common applications that are
applicable to all programming environments. Select Start»All
Programs»National Instruments»NI-DAQ»NI-DAQmx Help.
Note For information about non-Windows operating system support, refer to
ni.com/info and enter BaseGSGML.
LabVIEW
If you are a new user, use the Getting Started with LabVIEW manual to
familiarize yourself with the LabVIEW graphical programming
environment and the basic LabVIEW features you use to build data
acquisition and instrument control applications. Open the Getting Started
with LabVIEW manual by selecting Start»All Programs»National
Instruments»LabVIEW»LabVIEW Manuals or by navigating to the
labview\manuals directory and opening LV_Getting_Started.pdf.
NI USB-9215 Series User Guide and Specifications 4 ni.com
LabWindows/CVI
Use the LabVIEW Help, available by selecting Help»Search the
LabVIEW Help in LabVIEW, to access information about LabVIEW
programming concepts, step-by-step instructions for using LabVIEW, and
reference information about LabVIEW VIs, functions, palettes, menus, and
tools. Refer to the following locations on the Contents tab of the LabVIEW
Help for information about NI-DAQmx:
• Getting Started»Getting Started with DAQ—Includes overview
information and a tutorial to learn how to take an NI-DAQmx
measurement in LabVIEW using the DAQ Assistant.
• VI and Function Reference»Measurement I/O VIs and
Functions—Describes the LabVIEW NI-DAQmx VIs and properties.
• Taking Measurements—Contains the conceptual and how-to
information you need to acquire and analyze measurement data in
LabVIEW, including common measurements, measurement
fundamentals, NI-DAQmx key concepts, and device considerations.
The Data Acquisition book of the LabWindows/CVI Help contains
measurement concepts for NI-DAQmx. This book also contains Taking
an NI-DAQmx Measurement in LabWindows/CVI, which includes
step-by-step instructions about creating a measurement task using the DAQ
Assistant. In LabWindows
Using LabWindows/CVI»Data Acquisition.
™
/CVI™, select Help»Contents, then select
The NI-DAQmx Library book of the LabWindows/CVI Help contains
API overviews and function reference for NI-DAQmx. Select Library
Reference»NI-DAQmx Library in the LabWindows/CVI Help.
Measurement Studio
If you program your NI-DAQmx-supported device in Measurement Studio
using Visual C++, Visual C#, or Visual Basic .NET, you can interactively
create channels and tasks by launching the DAQ Assistant from MAX or
from within Visual Studio .NET. You can generate the configuration code
based on your task or channel in Measurement Studio. Refer to the DAQ
Assistant Help for additional information about generating code. You also
can create channels and tasks, and write your own applications in your
ADE using the NI-DAQmx API.
For help with NI-DAQmx methods and properties, refer to the NI-DAQmx
.NET Class Library or the NI-DAQmx Visual C++ Class Library included
in the NI Measurement Studio Help. For general help with programming in
Measurement Studio, refer to the NI Measurement Studio Help, which is
fully integrated with the Microsoft Visual Studio .NET help. To view
© National Instruments Corporation 5 NI USB-9215 Series User Guide and Specifications
this help file in Visual Studio. NET, select Measurement Studio»
NI Measurement Studio Help.
To create an application in Visual C++, Visual C#, or Visual Basic .NET,
follow these general steps:
1. In Visual Studio .NET, select File»New»Project to launch the New
Project dialog box.
2. Find the Measurement Studio folder for the language you want to
create a program in.
3. Choose a project type. You add DAQ tasks as a part of this step.
ANSI C without NI Application Software
The NI-DAQmx Help contains API overviews and general information
about measurement concepts. Select Start»All Programs»National
Instruments»NI-DAQ»NI-DAQmx Help.
The NI-DAQmx C Reference Help describes the NI-DAQmx Library
functions, which you can use with National Instruments data acquisition
devices to develop instrumentation, acquisition, and control applications.
Select Start»All Programs»National Instruments»NI-DAQ»
NI-DAQmx C Reference Help.
.NET Languages without NI Application Software
With the Microsoft .NET Framework version 1.1 or later, you can use
NI-DAQmx to create applications using Visual C# and Visual Basic
.NET without Measurement Studio. You need Microsoft Visual Studio
.NET 2003 or Microsoft Visual Studio 2005 for the API documentation to
be installed.
The installed documentation contains the NI-DAQmx API overview,
measurement tasks and concepts, and function reference. This help is fully
integrated into the Visual Studio .NET documentation. To view the
NI-DAQmx .NET documentation, go to Start»Programs»National
Instruments»NI-DAQ»NI-DAQmx .NET Reference Help. Expand
NI Measurement Studio Help»NI Measurement Studio .NET Class
Library»Reference to view the function reference. Expand
NI Measurement Studio Help»NI Measurement Studio .NET Class
Library»Using the Measurement Studio .NET Class Libraries to view
conceptual topics for using NI-DAQmx with Visual C# and Visual Basic
.NET.
To get to the same help topics from within Visual Studio, go to
Help»Contents. Select Measurement Studio from the Filtered By
drop-down list and follow the previous instructions.
NI USB-9215 Series User Guide and Specifications 6 ni.com
Device Documentation and Specifications
NI-DAQmx includes the Device Document Browser, which contains online
documentation for supported DAQ and SCXI devices, such as documents
describing device pinouts, features, and operation. You can find, view,
and/or print the documents for each device using the Device Document
Browser at any time by inserting the CD. After installing the Device
Document Browser, device documents are accessible from Start»
All Programs»National Instruments»NI-DAQ»Browse Device
Documentation.
Note You can download these documents at ni.com/manuals.
NI-DAQmx Base (Linux/Mac OS X/LabVIEW PDA 8.x )
The NI-DAQmx Base Getting Started Guide describes how to install your
NI-DAQmx Base software, your NI-DAQmx Base-supported DAQ device,
and how to confirm that your device is operating properly. In Windows,
select Start»All Programs»National Instruments»NI-DAQmx Base»
Documentation»Getting Started Guide.
Getting Started with NI-DAQmx Base for Linux and Mac Users describes
how to install your NI-DAQmx Base software, your NI-DAQmx
Base-supported DAQ device, and how to confirm that your device is
operating properly on your Mac/Linux machine.
The NI-DAQmx Base Readme lists which devices are supported by this
version of NI-DAQmx Base. In Windows, select Start»All Programs»
National Instruments»NI-DAQmx Base»DAQmx Base Readme.
The NI-DAQmx Base VI Reference Help contains VI reference and general
information about measurement concepts. In LabVIEW, select
Help»NI-DAQmx Base VI Reference Help.
The NI-DAQmx Base C Reference Help contains C reference and general
information about measurement concepts. In Windows, select Start»All
Programs»National Instruments»NI-DAQmxBase»Documentation»
C Function Reference Help.
Note All NI-DAQmx Base documentation for Linux is installed at /usr/local/
natinst/nidaqmxbase/documentation
Note All NI-DAQmx Base documentation for Mac OS X is installed at
/Applications/National Instruments/NI-DAQmx Base/documentation.
© National Instruments Corporation 7 NI USB-9215 Series User Guide and Specifications
.
Training Courses
If you need more help getting started developing an application with
NI products, NI offers training courses. To enroll in a course or obtain a
detailed course outline, refer to
ni.com/training.
Technical Support on the Web
For additional support, refer to ni.com/support or zone.ni.com.
Installing the Software
Software support for the NI USB-9215 Series for Windows Vista/XP/2000
is provided by NI-DAQmx or NI-DAQmx Base depending on the software
you are using. Software support for your hardware depends on the carrier
being used. Refer to Table 1 for a list of software support.
Table 1. Devices and Corresponding Components
Devices Carrier Software Support
NI USB-9215 NI 9161 NI-DAQmx Base 2.2 and previous
NI USB-9215A NI 9162 NI-DAQmx or NI-DAQmx Base 3.0 or later
NI USB-9215A BNC NI 9162 NI-DAQmx or NI-DAQmx Base 3.0 or later
The DAQ Getting Started Guide, which you can download at
ni.com/manuals, offers NI-DAQmx users step-by-step instructions for
installing software and hardware, configuring channels and tasks, and
getting started developing an application.
Note For information about non-Windows operating system support, refer to
ni.com/info and enter BaseGSGML.
Note If your device uses NI-DAQmx Base, refer to ni.com to download the software.
Installing Other Software
If you are using other software, refer to the installation instructions that
accompany your software.
Example Programs
The NI-DAQmx CD contains example programs that you can use to
get started programming with the NI USB-9215 Series. Refer to the
NI-DAQmx for USB Devices Getting Started Guide that shipped with your
NI USB-9215 Series User Guide and Specifications 8 ni.com
device, and is also accessible from Start»All Programs»National
Instruments»NI-DAQ, for more information.
The NI-DAQmx Base software ships with example programs you can use
to get started programming with the NI USB-9215 Series. Refer to the
NI-DAQmx Base Getting Started Guide that shipped with your device, and
is also accessible from Start»All Programs»National Instruments»
NI-DAQmx Base»Documentation, for more information.
Installing the NI USB-9215 Series Device
Before installing the device, you must install the software you plan to use
with the device. Refer to the Related Documentation section of this guide
and the documentation included with the software for more information.
Installing the NI 9215 in the NI USB-9161/9162 Carrier
The NI 9215 module and NI USB-9161/9162 carrier are packaged
separately. Refer to Figures 4 and 5 while completing the following
assembly steps:
1. Make sure that no signals are connected to the NI 9215 module.
2. Remove the protective cover from the 15-pin D-SUB connector.
3. Align the I/O module with the carrier, as shown in Figure 4.
1
1 High Voltage Screw Terminal Backshell
Figure 4. Module Installation
4. Squeeze the latches and insert the NI 9215 module into the carrier.
5. Press firmly on the connector side of the NI 9215 module until the
latches lock the module into place.
© National Instruments Corporation 9 NI USB-9215 Series User Guide and Specifications
Figure 5. Locking Module into Place
Mounting the NI USB-9215 Series to a Panel
Thread inserts are located in the NI USB-9215 Series for mounting it to a
panel. Refer to Figure 6 for dimensions.
85.7 mm
(3.37 in.)
72.2 mm
(2.84 in.)
Figure 6. NI USB-9215 Series Dimensions in Millimeters (Inches)
Threaded Insert
M3 x 0.5
8.5 mm (0.34 in.) Max Depth
76.1 mm
(3.00 in.)
Connecting the NI USB-9215 Series to a Computer
Plug one end of the USB cable into the NI USB-9215 Series and the other
end into an available USB port on the computer.
NI USB-9215 Series User Guide and Specifications 10 ni.com
LED Indicator
The NI USB-9215 Series device has a green LED next to the USB
connector. The LED indicator indicates device status, as listed in Table 2.
When the device is connected to a USB port, the LED blinks steadily to
indicate that the device is initialized and is receiving power from the
connection.
If the LED is not blinking, it may mean that the device is not initialized or
the computer is in standby mode. In order for the device to be recognized,
the device must be connected to a computer that has NI-DAQmx or
NI-DAQmx Base installed on it. If your device is not blinking, make sure
your computer has the latest version of NI-DAQmx or NI-DAQmx Base
installed on it, and the computer is not in standby mode.
Table 2. LED State/Device Status
LED State Device Status
Not lit Device not connected or in suspend.
On, not blinking Device connected, but no module installed.
Single-blink Operating normally.
Double-blink NI USB-9215A only—Connected to USB
Full-Speed port. Device performance might
be affected. Refer to the Specifications
section for more information.
Quadruple-blink Device error. Refer to ni.com/support.
Wiring the NI USB-9215 Series Device
The NI USB-9215 Series provides connections for four differential analog
input channels. The NI USB-9215A with BNC has four BNC connectors.
Caution A high voltage screw terminal backshell must be installed when using hazardous
voltages (>42.4 V
Note The NI 9932 10-terminal, detachable, high voltage, screw-terminal backshell
accessory works with the NI USB-9215 Series and is available from
information about installing the backshell, refer to the Assembling the High Voltage Screw
Terminal Backshell section.
© National Instruments Corporation 11 NI USB-9215 Series User Guide and Specifications
, 60 VDC) with the NI USB-9215 Series.
pk
ni.com. For more
Each channel of the NI USB-9215 Series has a terminal or center pin to
which you can connect the positive voltage signal, AI+, and a terminal or
shield to which you can connect the negative voltage signal, AI–. The
NI USB-9215 with screw terminal also has a common terminal, COM, that
is internally connected to the isolated ground reference of the module.
Refer to Table 3 for the terminal assignments of the NI USB-9215 with
screw terminal. Refer to Figure 7 for the pin assignments of the
NI USB-9215A with BNC.
Table 3. Terminal Assignments
Module Terminal Signal
0 AI0+
1 AI0–
2 AI1+
0
1
2
3
4
5
6
7
8
9
3 AI1–
4 AI2+
5 AI2–
6 AI3+
7 AI3–
8 No Connection
9 Common (COM)
NI USB-9215 Series User Guide and Specifications 12 ni.com
AI0+
AI0–
AI1+
AI1–
AI2+
AI2–
AI3+
AI3–
Figure 7. BNC Connector Assignments
Connecting Differential Voltage Signals to the NI USB-9215 Series
For grounded differential signals, connect the positive voltage signal to
AI+ and the negative signal to AI–. For the NI USB-9215 with screw
terminal, connect the signal reference to the COM terminal.
AI+
Voltage
Source
+
–
AI–
COM
NI USB-9215 with
Screw Terminal
Figure 8. Connecting a Grounded Differential Voltage Signal to the NI USB-9215
(NI USB-9215 with Screw Terminal Shown)
For floating differential signals, the voltage source may go outside of the
common-mode signal range of the NI USB-9215 with screw terminal. If the
voltage source is outside of the common-mode range, data read by the
NI USB-9215 is not accurate. To keep the voltage source within the
common-mode range, connect the negative lead of the signal to COM
through a 1 MΩ resistor, as shown in Figure 9. The NI USB-9215A with
© National Instruments Corporation 13 NI USB-9215 Series User Guide and Specifications
BNC has internal circuitry that keeps the voltage source within the
common-mode range.
AI+
Voltage
Source
+
–
Resistor
AI–
COM
NI USB-9215
with Screw Terminal
Figure 9. Connecting a Floating Differential Voltage Signal
(NI USB-9215 with Screw Terminal Shown)
Connecting Single-Ended Voltage Signals to the NI USB-9215 Series
Connect the positive voltage signal to AI+. Connect the ground signal to
AI–. For the NI USB-9215 with screw terminal, you must also connect the
ground signal to the COM terminal to keep the common-mode voltage in
the specified range. For more information about the common-mode voltage
range, refer to the Specifications section.
AI+
Voltage
Source
+
–
NI USB-9215 with
AI–
COM
Screw Terminal
Figure 10. Connecting a Single-Ended Voltage Signal to the NI USB-9215
(NI USB-9215 with Screw Terminal Shown)
NI USB-9215 Series User Guide and Specifications 14 ni.com
Assembling the High Voltage Screw Terminal Backshell
The high voltage screw terminal backshell must be installed when using
hazardous voltages (>42.4 V
completing the following steps to assemble the backshell:
1. Connect the leads to the screw terminal and secure with the strain
relief.
2. Finish by snapping the backshell around the connector.
, 60 VDC). Refer to Figure 11 while
pk
1
1 Strain Relief
Figure 11. High Voltage Screw Terminal Backshell
Figure 12. Assembled High Voltage Screw Terminal Backshell
© National Instruments Corporation 15 NI USB-9215 Series User Guide and Specifications
NI USB-9215 Series Circuitry
The NI USB-9215 Series channels share a common ground. The
NI USB-9215 protects each channel from overvoltages. For more
information about overvoltage protection, refer to the Specifications
section. The signal is buffered and conditioned by the instrumentation
amplifier and is then sampled by a 16-bit ADC. The channels have
independent track-and-hold amplifiers that allow you to sample all
four channels simultaneously.
AI+ +
AI–
COM
Overvoltage
Protection
Overvoltage
Protection
NI USB-9215 with Screw Terminal
–
Isolated
ADC
Figure 13. Input Circuitry for One Channel on the NI USB-9215 with Screw Terminal
The NI USB-9215A with BNC has a resistor that ensures the input voltage
does not drift outside of the common-mode range.
AI+
AI–
Overvoltage
Protection
Overvoltage
Protection
+
Isolated
–
Instrumentation
Amplifier
NI USB-9215A with BNC
ADC
Figure 14. Input Circuitry for One Channel on the NI USB-9215A with BNC
NI USB-9215 Series User Guide and Specifications 16 ni.com
Specifications
The following specifications are typical for the range 0 to 60 °C
unless otherwise noted. All voltages are relative to COM unless otherwise
noted.
Input Characteristics
Number of channels ............................... 4 analog input channels
ADC resolution ......................................16 bits
Type of ADC.......................................... Successive approximation
Max sampling rate
1
NI USB-9215
Highest Channel Number
In Task
0 20 kS/sec
1 10 kS/sec
2 6.67 kS/sec
3 5 kS/sec
register (SAR)
Maximum Sample Rate
NI USB-9215A
NI USB-9215A with BNC
2
..............................100 kS/s (per channel)
2
............. 100 kS/s (per channel)
Operating voltage range (AI+ to AI–)
Typical ............................................ ±10 V (not software selectable)
Maximum working voltage (signal + common mode)
With screw terminal........................ Each channel must remain within
±10.2 V of common
With BNC ....................................... All inputs must remain within
±10.2 V of the average AI– inputs
Overvoltage protection........................... ±30 V
1
Might be system dependent.
2
Full performance requires the use of a USB 2.0 Hi-Speed host controller and USB 2.0 hubs.
© National Instruments Corporation 17 NI USB-9215 Series User Guide and Specifications
Conversion time
Channel 0 only.................................4.4 μs
Channels 0 and 1 .............................6 μs
Channels 0, 1, and 2 ........................8 μs
Channels 0, 1, 2, and 3 ....................10 μs
Accuracy
Error
Percent of
Reading
(Gain Error)
Percent of
Range (Offset
Error)
Calibrated max (0 to 60 °C) 0.2% 0.082%
Calibrated typ (25 °C, ±5 °C) 0.02% 0.014%
Uncalibrated max (0 to 60 °C) 1.05% 0.82%
Uncalibrated typ (25 °C, ±5 °C) 0.6% 0.38%
*
Range equals 10.4 V.
Stability
Offset drift .......................................60 μV/°C
Gain drift .........................................10 ppm/°C
CMRR (at 60 Hz) ...................................–73 dB min
Input bandwidth (–3 dB).........................420 kHz min
Input impedance
Resistance
With screw terminal .................1 GΩ
With BNC (between any
two AI– terminals) ...................200 kΩ
Capacitance......................................25 pF
*
Input bias current ....................................10 nA
Input noise
RMS.................................................1.2 LSB
rms
Peak-to-peak....................................7 LSB
Crosstalk .................................................–80 dB
NI USB-9215 Series User Guide and Specifications 18 ni.com
Settling time (to 2 LSBs)
No missing codes ...................................15 bits guaranteed
DNL ....................................................... –1.9 to 2 LSB max
INL .........................................................±6 LSB max
Power Requirements
Power consumption from USB .............. 500 mA, max
Bus Interface
USB specifications
With screw terminal
10 V step.................................. 10 μs
20 V step.................................. 15 μs
With BNC
10 V step.................................. 25 μs
20 V step.................................. 35 μs
Suspend mode ................................. 2.5 mA, max
NI USB-9215 .................................. USB 2.0 Full-Speed
NI USB-9215A ...............................USB 2.0 Hi-Speed
NI USB-9215A BNC ...................... USB 2.0 Hi-Speed
Physical Characteristics
Dimensions
With combicon................................ 14.0 cm × 8.8 cm × 2.5 cm
(5.52 in. × 3.47 in. × 1.00 in.)
With BNC ....................................... 14.2 cm × 8.8 cm × 2.5 cm
(5.54 in. × 3.47 in. × 1.00 in.)
Screw terminal wiring............................ 12 to 24 AWG copper conductor
wire with 10 mm (0.39 in.) of
insulation stripped from the end
Torque for screw terminals .................... 0.5–0.6 N · m (4.4–5.3 lb · in.)
Weight
With screw terminal........................ Approx. 250 g (8.8 oz)
With BNC ....................................... Approx. 275 g (9.6 oz)
© National Instruments Corporation 19 NI USB-9215 Series User Guide and Specifications
Safety
If you need to clean the module, wipe it with a dry towel.
Safety Voltages
NI USB-9215 with Screw Terminal Safety Voltages
Connect only voltages that are within these limits.
Channel-to-COM ....................................±30 V max
Isolation
Channel-to-channel..........................No isolation between channels
Channel-to-earth ground
Withstand .................................2,300 V
Continuous ...............................250 V
Measurement Category II
Measurement Category II is for measurements performed on circuits
directly connected to the electrical distribution system. This category refers
to local-level electrical distribution, such as that provided by a standard
wall outlet (for example, 115 V for U.S. or 230 V for Europe). Do not use
this module with Measurement Category III or IV voltages.
, 5 seconds max
rms
,
rms
NI USB-9215A with BNC Safety Voltages
Connect only voltages that are within these limits.
AI+-to-AI–..............................................±30 V max
Isolation
Channel-to-channel..........................No isolation between channels
Channel-to-earth ground
Withstand .................................1,500 V
Continuous ...............................60 VDC,
Measurement Category I
Measurement Category I is for measurements performed on circuits not
directly connected to the electrical distribution system referred to as
MAINS voltage. MAINS is a hazardous live electrical supply system that
powers equipment. This category is for measurements of voltages from
specially protected secondary circuits. Such voltage measurements include
signal levels, special equipment, limited-energy parts of equipment,
circuits powered by regulated low-voltage sources, and electronics. Do not
use this module with Measurement Category II, III, or IV voltages.
NI USB-9215 Series User Guide and Specifications 20 ni.com
, 5 seconds max
rms
Note For UL and other safety certifications, refer to the product label or visit
ni.com/certification, search by model number or product line, and click the
appropriate link in the Certification column.
Environmental
Safety Standards
This product is designed to meet the requirements of the following
standards of safety for electrical equipment for measurement, control,
and laboratory use:
• IEC 61010-1, EN-61010-1
• UL 61010-1, CSA 61010-1
Hazardous Locations
The NI USB-9215 is not certified for use in hazardous locations.
The NI USB-9215 Series is intended for indoor use only.
Operating temperature
(IEC 60068-2-1, IEC 60068-2-2)........... 0 to 60 °C
Storage temperature
(IEC 60068-2-1, IEC 60068-2-2)........... –40 to 85 °C
Operating humidity
(IEC 60068-2-56)................................... 10 to 90% RH, noncondensing
Storage humidity
(IEC 60068-2-56)................................... 5 to 95% RH, noncondensing
Maximum altitude .................................. 2,000 m
Pollution Degree (IEC 60664) ............... 2
Electromagnetic Compatibility
The NI USB-9215 Series is designed to meet the requirements of the
following standards of EMC for electrical equipment for measurement,
control, and laboratory use:
• EN 61326 EMC requirements; Minimum Immunity
• EN 55011 Emissions; Group 1, Class A
• CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A
Note For EMC compliance, operate this device with double-shielded cables.
© National Instruments Corporation 21 NI USB-9215 Series User Guide and Specifications
CE Compliance
⬉ᄤֵᙃѻક∵ᶧࠊㅵ⧚ࡲ⊩ ˄Ё
˅
Ёᅶ᠋
This product meets the essential requirements of applicable European
Directives, as amended for CE marking, as follows:
• 2006/95/EC; Low-Voltage Directive (safety)
• 2004/108/EC; Electromagnetic Compatibility Directive (EMC)
Note Refer to the Declaration of Conformity (DoC) for this product for any additional
regulatory compliance information. To obtain the DoC for this product, visit
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Calibration
You can obtain the calibration certificate for the NI USB-9215 Series at
ni.com/calibration.
Calibration interval .................................1 year
NI USB-9215 Series User Guide and Specifications 22 ni.com
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