NI PXI/PCI-4070 Specifications

NI PXI/PCI-4070 Specifications
6½ Digit FlexDMM™ and 1.8 MS/s Isolated Digitizer
For the most current specifications, visit ni.com/instruments.
Note
All specifications in this document are subject to change without notice.
DC Specifications
Digits
Max Sample
Rate1
Bits
Reading Rate2
7
23
5 S/s
5 S/s
6½
22
100 S/s
100 S/s
5½
18
5 kS/s
3 kS/s
4½
15
20 kS/s
10 kS/s
3
10
1.8 MS/s
N/A
1
2
Maximum sample rates refer to waveform acquisition.
Autozero disabled, except 7 digits, measured on a 10 V and 10 kΩ range.
DC Voltage Maximum Reading Rate
7½
7
6½
Digits
6
5½
5
4½
4
3½
1
10
100
Reading Rate
1k
R
di
10 k
/
100 k
1M
Sample Rate
10 M
DC System Speeds
Range or function change .......................100/s
Autorange time, DC V and DC I ............5 ms
Autorange time, resistance .....................50 ms
Trigger latency........................................2 µs
Maximum trigger rate .............................6 kHz
DC Accuracy Specifications
Note All DC accuracy specifications apply to 6½ digit resolution (≥1 PLC), autozero
and ADC calibration enabled.
DC Voltage ± (ppm1 of reading + ppm of range)
Tempco/°C
(0 °C to 50 °C)
Range
Resolution
Input
Resistance
24 Hr2
Tcal ± 1 °C
90 Day3
Tcal ± 5 °C
2 Year3 Tcal ± 5 °C
Without
Self-Cal
With
Self-Cal
100 mV*
100 nV
>10 GΩ,
10 MΩ
10 + 10
30 + 20
40 + 20
4+5
0.3 + 0.3
1V
1 µV
>10 GΩ,
10 MΩ
6+2
20 + 6
25 + 6
2+1
0.3 + 0.3
10 V
10 µV
>10 GΩ,
10 MΩ
4+2
20 + 6
25 + 6
1+1
0.3 + 0.3
100 V
100 µV
10 MΩ
6 + 2†
30 + 6
35 + 6
4+1
0.3 + 0.3
300 V
1 mV
10 MΩ
6 + 6‡
30 + 20
35 + 20
4+3
0.3 + 0.3
1
1 ppm (part per million) = 0.0001%.
Relative to external calibration source.
3 Using internal self-calibration; specifications valid over the entire operating temperature range.
∗ With offset nulling and 100 ms aperture.
† 8 + 4 on the NI PCI-4070
2
‡8
+ 8 on the NI PCI-4070
Tcal = temperature at which last self-calibration or external calibration was performed.
Tempco = temperature coefficient.
NI PXI/PCI-4070 Specifications
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DC Current1 ± (ppm of reading + ppm of range)
Resolution
Burden Voltage
(typical)
Noise
(ppm of range rms)
2 Year
(0 °C to 50 °C)
20 mA
10 nA
<20 mV
20
400 + 75
8+1
200 mA
100 nA
<200 mV
3
400 + 20
8 + 0.2
1A
1 µA
<800 mV
3
500 + 20
8 + 0.4
Range
1
Tempco/°C
(0 °C to 50 °C)
Typical 24 hour accuracy (23 °C ± 1 °C) is ± (50 ppm of reading + 5 ppm of range).
Resistance (4-Wire and 2-Wire1) ± (ppm of reading + ppm of range)
Tempco/°C
(0 °C to 50 °C)
Range
Resolution
Test
Current2
Max Test
Voltage
24 Hr3
Tcal ± 1 °C
90 Day4
Tcal ± 5 °C
2 Year4
Tcal ± 5 °C
Without
Self-Cal
With
Self-Cal
100 Ω †
100 µΩ
1 mA
100 mV
15 + 10
50 + 10
80 + 10
8+1
0.8 + 1
1 kΩ †
1 mΩ
1 mA
1V
12 + 2
50 + 3
80 + 3
8 + 0.1
0.8 + 0.1
10 kΩ †
10 mΩ
100 µA
1V
12 + 2
50 + 3
80 + 3
8 + 0.1
0.8 + 0.1
100 kΩ
100 mΩ
10 µA
1V
15 + 2
50 + 6
80 + 6
8 + 0.5
0.8 + 0.5
1 MΩ
1Ω
10 µA
10 V
20 + 2
60 + 10
90 + 10
8+1
0.8 + 1
10 MΩ
10 Ω
1 µA
10 V
100 + 2
200 + 10
400 + 10
30 + 3
30 + 3
100 MΩ ‡
100 Ω
1 µA||10 MΩ
10 V
900 + 20
1,800 + 40
2,000 + 40
200 + 10
200 + 10
1
Perform offset nulling or add 200 mΩ to reading.
–10% to 0% tolerance.
3 Relative to external calibration source.
4 Using internal self-calibration; specifications valid over the entire operating temperature range.
† With offset compensated ohms enabled.
‡ 2-wire resistance measurement only. Typical accuracy is 5% between 105 MΩ and 1.05 GΩ . Use tempco
outside 18 °C to 28 °C.
Tcal = temperature at which last self-calibration or external calibration was performed.
2
Diode Test1
Range
10 V
Resolution
10 µV
Test Current2
1 µA, 10 µA, 100 µA, 1 mA†
Accuracy
Add 20 ppm of reading to 10 V
DC voltage specifications.
1
Can be used to test p-n junctions, LEDs, or zener diodes up to 10 V.
–10% to 0% tolerance.
† Up to 4.5 V measurement for 1 mA test current.
2
© National Instruments Corporation
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NI PXI/PCI-4070 Specifications
Additional Noise Errors for DC Voltage, Current, Resistance
Resolution
Additional Noise Error
5½ digits
10 ppm of range
4½ digits
100 ppm of range
3½ digits
1,000 ppm of range
DC Functions General Specifications
Effective Common-Mode Rejection Ratio (CMRR)
(1 kΩ resistance in LO lead)...................>170 dB (DC, >46 Hz), with
high-order DC noise rejection,
100 ms aperture
Maximum 4-wire lead resistance............Use the lesser of 10% of range
or 1 kΩ
Overrange ...............................................105% of range except
300 V and 1 A range
DC voltage input bias current .................<30 pA at 23 °C (typical)
Normal-Mode Rejection Ratio (NMRR)
Readings/s
NMRR
Conditions
10
>100 dB†
All noise sources >46 Hz
50 (60)
>60 dB‡
50 (60) Hz ± 0.1%
†
‡
With high-order DC noise rejection;100 ms aperture.
With normal DC noise rejection; 20 ms (16.67 ms) aperture.
AC Specifications
Note
All AC speed specifications apply with autozero disabled.
Digits
NI PXI/PCI-4070 Specifications
Reading Rate
Bandwidth
6½
0.25 S/s
1 Hz to 300 kHz
6½
2.5 S/s
10 Hz to 300 kHz
6½
25 S/s
100 Hz to 300 kHz
6½
100 S/s
400 Hz to 300 kHz
5½
1 kS/s
20 kHz to 300 kHz
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AC System Speeds
Range or function change ...................... 10/s
Autorange time, AC V and AC I............ 250 ms
Trigger latency ....................................... 2 µs
Maximum trigger rate ............................ 1 kHz
AC Accuracy Specifications
Note All AC accuracy specifications apply to 6½ digit resolution, signal amplitudes
greater than 1% of range, and autozero enabled.
AC Voltage1 2 Year ± (% of reading + % of range), 23 °C ± 5 °C
Range
(rms)
Peak
Voltage
50 mV†
±105 mV
100 nV
500 mV
±1.05 V
1 µV
5V
±10.5 V
10 µV
50 V
±105 V
100 µV
300 V
±450 V
1 mV
Resolution 1 Hz to 40 Hz2
Tempco/°C (0 °C to 50 °C)
40 Hz to
20 kHz
20 kHz to
50 kHz
50 kHz to
100 kHz
100 kHz to
300 kHz
0.1 + 0.04
0.05 + 0.04
0.09 + 0.04
0.5 + 0.08
3 + 0.1
0.1 + 0.01
0.05 + 0.02
0.09 + 0.02
0.5 + 0.02
3 + 0.05
0.001 + 0.001
0.001 + 0.001
0.001 + 0.001
0.001 + 0.001
0.01 + 0.01
1 After self-calibration. Measurement aperture greater than 4/f , where f is the lowest frequency component of the signal
L
L
being measured.
2 Specification applies for DC coupling.
† Applies to signals >2 mV.
AC Current1 2 Year ± (% of reading + % of range), 0 °C to 50 °C
Range (rms)
Peak Current
Burden Voltage
(rms)
Resolution
1 Hz to
20 kHz2
Tempco/°C
(0 °C to 50 °C)
10 mA†
±20 mA
10 nA
<10 mV
0.04 + 0.02
0.001 + 0.0001
100 mA
±200 mA
100 nA
<100 mV
0.04 + 0.02
0.001 + 0.0001
1A
±2 A
1 µA
<800 mV
0.1 + 0.02
0.001 + 0.0001
1
Measurement aperture greater than 4/fL, where fL is the lowest frequency component of the signal being measured.
Specification is typical for the 5 kHz to 20 kHz frequency range.
† Applies to signals >200 µA.
2
There is no degradation in accuracy due to crest factor for signals up to the rated
peak voltage/current or bandwidth. For high crest factor signals, increase range. For
example, for a 500 mVrms signal with a crest factor between 2 and 10, use the 5 V range.
Note
© National Instruments Corporation
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NI PXI/PCI-4070 Specifications
AC Functions General Specifications
Input impedance .....................................1 MΩ in parallel with 150 pF
Input coupling.........................................AC or DC coupling
Maximum Volt-Hertz product ................>8 × 107 V-Hz
Maximum DC voltage component .........250 V
CMRR
(1 kΩ resistance in LO lead)...................>70 dB (DC to 60 Hz)
Overrange ...............................................105% of range except on 300 V
and 1 A ranges
Frequency and Period1
Input Range
50 mV to 300 V
1
2
Frequency Range
1 Hz to 500 kHz
Period Range
1 s to 2 µs
Resolution
6½ digits
2 Year Accuracy2
0 °C to 50 °C ±% of reading
0.01
2 second gate time; input signal must be >10% of AC voltage input range.
0.0025% of reading typical.
Isolated Digitizer Specifications
Acquisition System
1.8 MS/s
Available sample rates............................ ---------------------- ,
n
where n = 1, 2, 3,…1.8 × 105
Variable resolution .................................10 bits to 23 bits; refer to the
Digitizer Maximum Sampling
Rate graph
Available functions.................................Voltage and current
Voltage ranges ........................................±100 mV to ±300 V
(DC or AC coupled)
Current ranges.........................................20 mA to 1 A
Maximum record duration ......................140 s
Timebase accuracy..................................25 ppm
NI PXI/PCI-4070 Specifications
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Trigger
Latency............................................ 1.8 µs
Jitter ................................................ <600 ns
Digitizer Maximum Sampling Rate
24
22
20
Bits
18
16
14
12
10
8
10
100
1k
10 k
Samples/s
100 k
1M
10 M
Isolated Digitizer Accuracy Specifications
Note All digitizer accuracy specifications apply to autozero enabled, DC coupling,
after self-calibration, and 1.8 MS/s sampling rate.
Voltage ± (ppm of reading + ppm of range)
Flatness
Error2
20 kHz
Bandwidth2, 3
(–3 dB)
THD2
1 kHz
signal,
–1 dBfs
THD2
20 kHz
signal,
–1 dBfs
Tempco/°C
(0 °C to
50 °C)
Input
Impedance1
2 Year
Tcal ± 5 °C
100 mV†
>10 GΩ
1 MΩ
45 + 30
–0.03 dB
300 kHz
–104 dB
–78 dB
4+6
1V
>10 GΩ
1 MΩ
35 + 6
–0.03 dB
300 kHz
–109 dB
–83 dB
3+1
10 V
>10 GΩ
1 MΩ
30 + 6
–0.03 dB
300 kHz
–96 dB
–70 dB
3+1
100 V
1 MΩ
45 + 6
–0.03 dB
300 kHz
–96 dB
–70 dB
7+1
300 V
1 MΩ
45 + 30
–0.03 dB
300 kHz
–98 dB
–72 dB
7+3
Range
1
In parallel with 120 pF.
Typical specification.
3 The AC coupling low frequency (–3 dB) point is 0.8 Hz.
† With offset nulling.
Tcal = temperature at which last self-calibration or external calibration was performed.
2
© National Instruments Corporation
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NI PXI/PCI-4070 Specifications
Current ± (ppm of reading + ppm of range)
Range
Resolution
Burden
Voltage
(typical)
2 Year
(0 °C to 50 °C)
Flatness
Error1
20 kHz
Bandwidth1
(–3 dB)
Tempco/°C
(0 °C to 50 °C)
20 mA
10 nA
<20 mV
400 + 75
±0.01 dB
430 kHz
8+1
200 mA
100 nA
<200 mV
400 + 20
±0.01 dB
430 kHz
8 + 0.2
1A
1 µA
<800 mV
500 + 20
±0.01 dB
400 kHz
8 + 0.4
1
Typical specification.
General Specifications
Self-calibration .......................................Calibrates the FlexDMM relative
to high-precision internal voltage
and resistance standards. No
external calibration equipment
required.
Input protection
Resistance, diode .............................Up to 300 V DC
DC V, AC V ....................................Up to 300 V DC, 300 V ACrms,
450 V AC peak
DC I and AC I..................................1.25 A, 250 V fast-acting
user replaceable fuse
Maximum common-mode voltage..........300 V
Input terminals ........................................Gold-plated low-thermal EMF
solid copper
Measurement complete trigger
pulse width..............................................3 µs
Input trigger pulse width.........................1 µs, with <2 m cable
External calibration interval ...................2 year recommended
Power consumption
NI PXI-4070 ....................................<12 W from PXI backplane
NI PCI-4070 ....................................<12 W from PCI slot
NI PXI/PCI-4070 Specifications
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Operating environment
NI PXI-4070 ................................... 0 °C to 55 °C,
up to 80% RH at 35 °C
NI PCI-4070.................................... 0 °C to 40 °C,
up to 80% RH at 35 °C
Storage environment .............................. –40 °C to 70 °C
Warm-up ................................................ 1 hour to rated accuracy
Dimensions, weight
NI PXI-4070 ................................... 10 cm × 16 cm
(3.9 in. × 6.33 in.),
340 g (12 oz)
NI PCI-4070.................................... 12.6 cm × 35.2 cm
(4.95 in. × 13.86 in.),
570 g (20 oz)
Installation Category .............................. II
Pollution Degree .................................... 2
The AUX I/O connector and the interdevice connector on the NI PCI-4070 are not
isolated. These connectors are not referenced to your measurement circuit, but they are
referenced to the ground of your computer. The digital signals on these connectors should
not operate beyond –0.5 to 5.5 V of your computer ground. The trigger signals are
TTL-compatible.
Caution
Safety
The NI PXI/PCI-4070 meets the requirements of the following standards
for safety and electrical equipment for measurement, control, and
laboratory use:
•
IEC 61010-1, EN 61010-1
•
UL 3111-1, UL 61010B-1
•
CAN/CSA C22.2 No. 1010.1
Note For UL and other safety certifications, refer to the product label, or visit
ni.com/hardref.nsf, search by model number or product line, and click the
appropriate link in the Certification column.
© National Instruments Corporation
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NI PXI/PCI-4070 Specifications
Electromagnetic Compatibility
Emissions................................................EN 55011 Class A at 10 m
FCC Part 15A above 1 GHz
Immunity ................................................EN 61326:1997 + A2:2001,
Table 1
EMC/EMI ...............................................CE, C-Tick, and FCC Part 15
(Class A) Compliant
Note
For EMC compliance, you must operate this device with shielded cabling.
CE Compliance
This product meets the essential requirements of applicable European
Directives, as amended for CE marking, as follows:
Low-Voltage Directive (safety)..............73/23/EEC
Electromagnetic Compatibility
Directive (EMC) .....................................89/336/EEC
Refer to the Declaration of Conformity (DoC) for this product for any additional
regulatory compliance information. To obtain the DoC for this product, visit
ni.com/hardref.nsf, search by model number or product line, and click the
appropriate link in the Certification column.
Note
NI PXI/PCI-4070 Specifications
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FlexDMM™, National Instruments™, NI™, and ni.com™ are trademarks of National Instruments
Corporation. Product and company names mentioned herein are trademarks or trade names of their
respective companies. For patents covering National Instruments products, refer to the appropriate
location: Help»Patents in your software, the patents.txt file on your CD, or ni.com/patents.
© 2002–2004 National Instruments Corp. All rights reserved.
*323368F-01*
323368F-01
Jan04