PXI-4071 Specifications

These specifications apply to the PXI-4071.

All specifications are subject to change without notice.

Notice The protection provided by the PXI-4071 can be impaired if it is used in a manner not described in this document.

Definitions

Warranted specifications describe the performance of a model under stated operating conditions and are covered by the model warranty.

Characteristics describe values that are relevant to the use of the model under stated operating conditions but are not covered by the model warranty.

  • Typical specifications describe the performance met by a majority of models.
  • Nominal specifications describe an attribute that is based on design, conformance testing, or supplemental testing.

Specifications are Nominal unless otherwise noted.

Conditions

Specifications are valid under the following conditions unless otherwise noted.

  • Calibration interval of 2 years
  • Warm-up time of 1 hour
  • Resolution set to 6.5 digits for specifications requiring an aperture greater than or equal to 100 ms

PXI-4071 Pinout

Use the pinout to connect to terminals on the PXI-4071.



Table 1. Signal Descriptions
Item Description
1 HI
2 LO
3 HI Sense
4 LO Sense
5 AUX Connector

DC Specifications

Table 2. PXI-4071 DC Speeds, Nominal
Digits Bits Max sampling rate[1]1 Maximum sampling rates refer to waveform acquisition in digitizer mode. (Digitizer) Reading rate[2]2 Auto Zero disabled, except 7½ digits, measured on a 10 V and 10 kΩ range. (DMM)
7½ 26 N/A 7 S/s
6½ 22 100 S/s 100 S/s
5½ 18 5 kS/s 3 kS/s
4½ 15 20 kS/s 7 kS/s
3 10 1.8 MS/s N/A
Figure 1. DC Voltage Maximum Reading Rate, Nominal


DC System Speeds

Range or function change 100/s
Auto range time, DC V 5 ms
Auto range time, DC I 10 ms
Auto range time, resistance 50 ms
Trigger latency 2 μs
Maximum trigger rate 6 kHz

DC Accuracy Specifications

All DC voltage accuracy specifications apply to 7½-digit resolution, Auto Zero and ADC calibration enabled.
Table 3. DC Voltage ± (ppm of reading + ppm of range)
Range Resolution 24 hour [3]3 Relative to external calibration source. Tcal ±1 °C 90 day 18 °C to 28 °C Tcal±1 °C 2 year 18 °C to 28 °C Tcal±1 °C Tempco/°C 0 °C to 55 °C 2 year [4]4 Using internal self-calibration; specifications valid over the entire operating temperature range. 0 °C to 55 °C Tcal±5 °C
Without Self-cal With Self-cal
100 mV [5]5 With offset nulling. 10 nV 5 + 4 18 + 7 20 + 8 3 + 2 0.3 + 1 30 + 10
1 V [6]6 With offset nulling; add 1.3 ppm of range for no offset nulling. 100 nV 4 + 0.8 13 + 0.8 15 + 0.8 2 + 0.2 0.3 + 0.1 22 + 0.8
10 V 1 μV 2 + 0.5 9 + 0.5 12 + 0.5 0.3 + 0.02 0.3 + 0.01 15 + 0.5
100 V 10 μV 5 + 2 18 + 2 20 + 2 4 + 0.2 0.3 + 0.1 32 + 2
1000 V [7]7 For inputs above 300 V, add 25 ppm × (Vin/1000 V)2 to the 90 Day and 2 Year columns. 100 μV 4 + 0.5 18 + 0.5 20 + 0.5 3 + 0.02 0.3 + 0.01 32 + 0.5
Figure 2. Additional Noise Error


Note Multiply the RMS noise value from the Additional Noise Error graph by the range-appropriate multiplier in this table. For the peak-to-peak noise error, multiply the RMS noise by 6.
Table 4. RMS Noise
Range Multiplier
100 mV × 15
1 V × 2
10 V × 1
100 V × 6
1000 V × 1
Note All DC current specifications apply to 6½-digit resolution, Auto Zero and ADC calibration enabled.
Table 5. DC Current ± (ppm of reading + ppm of range)
Range Resolution Burden voltage, typical 24 hour [8]8 Relative to external calibration source. Tcal ±1 °C 90 day 18 °C to 28 °C Tcal±1 °C 2 year 18 °C to 28 °C Tcal±1 °C Tempco[9]9 Tempco is the temperature coefficient./°C 0 °C to 55 °C
1 μA 10 90-day and 2-year specifications are typical. [10] 1 pA <55 mV 25 + 20 320 + 40 350 + 40 25 + 0.7
10 μA [10] 10 pA <550 mV 25 + 2 320 + 15 350 + 15 25 + 0.7
100 μA 100 pA <60 mV 10 + 20 71 + 20 100 + 20 10 + 0.5
1 mA 1 nA <60 mV 4 + 20 80 + 20 100 + 20 4 + 0.5
10 mA 10 nA <60 mV 12 + 20 90 + 20 110 + 20 12 + 0.5
100 mA 100 nA <100 mV 9 + 20 140 + 20 165 + 20 15 + 0.5
1 A [11] 1 μA <250 mV 15 + 20 240 + 20 290 + 20 11 + 0.5
3 A 11 To account for self-heating effects, for currents higher than 500 mA, add I2 * 75 ppm of reading to the specification. [11] 1 μA <700 mV 15 + 30 390 + 30 440 + 30 11 + 0.5
Table 6. Additional Noise Errors for Current
Resolution Additional Noise Error
5½ digits 10 ppm of range
5 digits 30 ppm of range
4½ digits 100 ppm of range
Note All resistance specifications apply to 7½-digit resolution, Auto Zero and ADC calibration enabled.
Table 7. Resistance (4-Wire and 2-Wire) ± (ppm of reading + ppm of range)
Range[12]12 For ranges ≥1 MΩ and relative humidity >80%, add 100 ppm/MΩ. Test current[13]13 -10% to 0% tolerance. Max test voltage[14]14 Highest nominal voltage present with highest range resistance applied. Open circuit voltage[15]15 Nominal voltage present at output with no resistance load. 24 hour [16]16 Relative to external calibration source. Tcal ±1 °C 90 day 18 °C to 28 °C Tcal±1 °C 2 year 18 °C to 28 °C Tcal±1 °C Tempco[17]17 Tempco is the temperature coefficient./°C 0 °C to 55 °C 2 year [18]18 Using internal self-calibration; specifications valid over the entire operating temperature range. 0 °C to 55 °C Tcal±5 °C
Without Self-cal With Self-cal
100 Ω[19]19 With offset compensated ohms enabled. For ADC calibration disabled, add 4 ppm of 100 Ω range and 0.4 ppm of 1 kΩ and 10 kΩ range to the 90 Day and 2 Year columns. 1 mA 100 mV 11.5 8 + 2.5 31 + 4 56 + 4 6 + 0.12 0.8 + 0.12 60 + 5
1 kΩ[20]20 With offset compensated ohms enabled. For ADC calibration disabled, add 4 ppm of 100 Ω range and 0.4 ppm of 1 kΩ and 10 kΩ range to the 90 Day and 2 Year columns. 1 mA 1 V 11.5 5 + 0.5 26 + 0.5 48 + 0.5 5 + 0.05 0.8 + 0.05 55 + 1
10 kΩ[21]21 With offset compensated ohms enabled. For ADC calibration disabled, add 4 ppm of 100 Ω range and 0.4 ppm of 1 kΩ and 10 kΩ range to the 90 Day and 2 Year columns. 100 μA 1 V 12.2 5 + 0.5 26 + 0.5 48 + 0.5 5 + 0.05 0.8 + 0.05 55 + 1
100 kΩ [22]22 Perform offset nulling or add 1 ppm of range to the 24 Hr column and add 7 ppm of range to 90 Day and 2 Year columns. 10 μA 1 V 12.2 5 + 1 28 + 1 50 + 1 5 + 0.2 0.8 + 0.1 56 + 6
1 MΩ 10 μA 10 V 12.2 5 + 1 30 + 1 52 + 1 5 + 0.05 3 + 0.05 58 + 1
10 MΩ 1 μA 10 V 12.2 60 + 5 70 + 10 90 + 10 20 + 1 20 + 1 400 + 10
30 MΩ[23]23 Applies to 100 MΩ range up to 30 MΩ. 2-wire resistance measurement only. Use tempco outside 18 °C to 28 °C. 1 μA|| 10 MΩ 10 V 12.2 180 + 20 240 + 30 360 + 60 60 + 20 60 + 20 —
100 MΩ[24]24 Applies to 100 MΩ range up to 30 MΩ. 2-wire resistance measurement only. Use tempco outside 18 °C to 28 °C. 1 μA||10 MΩ 10 V 9.6 500 + 6 5500 + 10 6000 + 20 250 + 6 250 + 6 —
5 GΩ [25]25 Applies to 100 MΩ range up to 30 MΩ. 2-wire resistance measurement only. Use tempco outside 18 °C to 28 °C. Typical specification. 1 μA||10 MΩ 10 V 9.6 1% + 0.2% 5% + 0.2% 5% + 0.2% 2500 + 0.2% 2500 + 0.2% —
Note For 2-wire resistance measurements, perform offset nulling or add 200 mΩ to reading.
Figure 3. Additional Noise Error


Note Multiply the RMS noise value from the Additional Noise Error graph by the range-appropriate multiplier in the RMS Noise table. For the peak-to-peak noise error, multiply the RMS noise by 6.
Table 8. RMS Noise
Range Multiplier
100 Ω × 8
1 kΩ × 1
10 kΩ × 1
100 kΩ × 2
1 MΩ × 3.5
10 MΩ × 5
100 MΩ × 55
5 GΩ × 2500
Note All diode specifications apply to 6½-digit resolution, Auto Zero and ADC calibration enabled.
Table 9. Diode Test
Range Resolution Test Current[26]26 -10% to 0% tolerance. Accuracy
10 V 10 μV 1 μA, 10 μA, 100 μA, 1 mA[27]27 Up to 4.0 V measurement for 1 mA test current. Add 20 ppm of reading to 10 VDC voltage specifications.

DC Functions General Specifications

Effective CMRR (1 kΩ resistance in LO lead) >140 dB (DC), 100 ms aperture; >170 dB ( >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 1000 V and 3 A range
DC voltage input bias current <30 pA at 23 °C, typical
Input impedance >10 GΩ or 10 MΩ (100 mV, 1 V, and 10 V ranges only) in parallel with 90 pF, nominal
Table 10. Normal-Mode Rejection Ratio (NMRR)
Readings/s NMRR Conditions
10 >100 dB [28]28 With high-order DC noise rejection; 100 ms aperture. All noise sources >46 Hz
50 (60) >60 dB [29]29 With normal DC noise rejection; 20 ms (16.67 ms) aperture. 50 (60) Hz ±0.1%

AC Specifications

All AC speed specifications apply with Auto Zero disabled.

Table 11. PXI-4071 AC Bandwidth
Digits 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 100.0 S/s 400 Hz to 300 kHz
5½ 1.0 kS/s 20 kHz to 300 kHz

AC System Speeds

Range or function change 10/s
Auto range time, AC V and AC I 250 ms
Trigger latency 2 μs
Maximum trigger rate 1 kHz

AC Accuracy Specifications

All AC accuracy specifications apply to 6½ digit resolution, signal amplitudes greater than 1% of range, and Auto Zero enabled. AC accuracy specifications also apply to measurement aperture greater than 4/fL, where fL is the lowest frequency component of the signal being measured.
Table 12. AC Voltage 2 Year ± (% of reading + % of range), 18 °C to 28 °C
Range (RMS) Peak voltage Resolution 1 Hz to 40 Hz[30]30 Specification applies for DC coupling. >40 Hz to 20 kHz >20 kHz to 50 kHz >50 kHz to 100 kHz >100 kHz to 300 kHz
50 mV [31]31 Applies to signals >1 mVrms. ±105 mV 100 nV 0.1 + 0.02 0.05 + 0.02 0.07 + 0.02 0.3 + 0.02 0.7 + 0.15
500 mV ±1.05 V 1 μV 0.1 + 0.005 0.05 + 0.005 0.06 + 0.01 0.2 + 0.01 0.7 + 0.15
5 V ±10.5 V 10 μV
50 V ±105 V 100 μV 0.1 + 0.005 0.06 + 0.01 0.12 + 0.05 0.6 + 0.05 3 + 0.15
700 V ±1000 V 1 mV
Note AC voltage specifications are after self-calibration.
Table 13. AC Voltage Tempco/°C (0 °C to 55 °C)
Range (RMS) 1 Hz to 40 Hz >40 Hz to 20 kHz >20 kHz to 50 kHz >50 kHz to 100 kHz >100 kHz to 300 kHz
  • 50 mV
  • 500 mV
  • 5 V
0.001 + 0.0002 0.001 + 0.0002 0.001 + 0.001 0.001 + 0.001 0.01 + 0.01
  • 50 mV
  • 700 mV
0.001 + 0.0002 0.003 + 0.0002 0.012 + 0.001 0.045 + 0.001 0.1 + 0.01

AC Voltage General Specifications

Input impedance

10 MΩ in parallel with 90 pF, nominal

Input coupling

AC or DC coupling

Overrange

105% of range except 700 V

Maximum Volt-Hertz product

>8 × 107 V-Hz

Maximum DC voltage component

400 V

CMRR

1 kΩ resistance in LO lead

>70 dB (DC to 60 Hz)

Over full bandwidth (without 1 kΩ resistance in LO lead)

Refer to the CMRR Over Full Bandwidth graph, typical.

Figure 4. CMRR Over Full Bandwidth, Typical


AC Current General Specifications

All AC current specifications apply to measurement aperture greater than 4/fL, where fL is the lowest frequency component of the signal being measured.
Table 14. AC Current 2 Year ± (% of reading + % of range), 18 °C to 28 °C
Range (RMS) Peak current Resolution Burden voltage (RMS at 1 kHz), typical 1 Hz to 5 kHz 5 kHz to 10 kHz[32]32 Specification is typical above 5 kHz. 10 kHz to 20 kHz[33]33 Specification is typical above 5 kHz. Tempco/°C (0 °C to 55 °C)
100 μA [34]34 Applies to signals >9 μArms and ≤1 kHz. ±200 μA 100 pA <60 mV 0.03 + 0.02 — — 0.002 + 0.0002
1 mA ±2 mA 1 nA <60 mV 0.03 + 0.02 0.06 + 0.02 0.08 + 0.02 0.001 + 0.0001
10 mA ±20 mA 10 nA <60 mV 0.03 + 0.02 0.06 + 0.02 0.08 + 0.02 0.002 + 0.0002
100 mA ±200 mA 100 nA <100 mV 0.03 + 0.02 0.06 + 0.02 0.15 + 0.02 0.001 + 0.0002
1 A ±2 A 10 μA <250 mV 0.1 + 0.02 0.24 + 0.02 0.8 + 0.02 0.002 + 0.0002
3 A ±4.2 A [35]35 Sine wave only. 10 μA <700 mV 0.1 + 0.02 0.24 + 0.02 0.8 + 0.02 0.002 + 0.0001
Note No degradation in accuracy occurs 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 20, use the 5 V range.

Overrange

105% of range except 3 A range

Frequency and Period

Table 15. PXI-4071 Frequency and Period
Input range Frequency range Period range Resolution 2 year accuracy[36]36 0.00025% of reading, typical.0 °C to 55 °C± % of reading
50 mV to 700 V 1 Hz to 500 kHz 1 s to 2 μs 6½ digits 0.01
Note Frequency and period specifications have a 2 second gate time. The input signal must be >10% of AC voltage input range.

Temperature Accuracy Specifications (°C)

Note Tcal is the device temperature at last external calibration. For total measurement accuracy, add temperature probe error.
Table 16. Thermocouple Temperature Accuracy Specifications (°C)
Type Range 2 Year 18 °C to 28 °C Tcal±1 °C Tempco/°C[37]37 Tempco is the temperature coefficient, expressed in degrees of measurement uncertainty per degree change in DMM instrument operating temperature. Resolution
With Simulated Ref. Junction [38]38 Using simulated reference junction. With PXI-2527[39]39 Includes PXI-2527 with TB-2627 with a typical 0.5 °C CJC error and a typical thermal EMF offset of 2.5 μV for CJC temperatures between 15 °C and 35 °C. Add an additional 0.5 °C uncertainty when CJC is in the range 0-15 °C or 35-50 °C.
J -150 to 1200 0.3 1.0 0.03 0.1
-210 to -150 0.4 1.2 0.03 0.1
K -100 to 1200 0.4 1.0 0.03 0.1
-200 to -100 0.4 1.5 0.03 0.1
N -100 to 1300 0.3 1.0 0.03 0.1
-200 to -100 0.6 1.5 0.03 0.1
T -100 to 400 0.3 1.0 0.03 0.1
-200 to -100 0.4 1.5 0.03 0.1
E -150 to 1000 0.2 1.0 0.03 0.1
-200 to -150 0.3 1.5 0.03 0.1
R 300 to 1760 0.6 1.8 0.06 0.1
-50 to 300 1.4 1.9 0.06 0.1
S 400 to 1760 0.7 1.8 0.06 0.1
-50 to 400 1.3 1.8 0.06 0.1
B 1100 to 1820 0.6 1.8 0.09 0.1
400 to 1100 1.4 1.9 0.09 0.1
Table 17. RTD Temperature Accuracy Specifications (°C)
Range 2 year 18 °C to 28 °C Tcal ±1 °C [40]40 Using simulated reference junction. Tempco/°C [41]41 Tempco is the temperature coefficient, expressed in degrees of measurement uncertainty per degree change in DMM instrument operating temperature. Resolution
-200 to 600 0.14 0.011 0.01
Note Based on RTD with RO = 100 Ω Pt3851 RTD in a 4-wire configuration, using lowest possible resistance range for each temperature. For total measurement accuracy, add temperature probe error.
Table 18. Thermistor Temperature Accuracy Specifications (°C)
Range 2 year 18 °C to 28 °C Tcal ±1 °C [42]42 Using simulated reference junction. Tempco/°C [43]43 Tempco is the temperature coefficient, expressed in degrees of measurement uncertainty per degree change in DMM instrument operating temperature. Resolution
-80 to 150 0.08 0.002 0.01

Isolated Digitizer Specifications

Note For typical DC accuracy, refer to the DC voltage specifications and the DC current specifications in the DC Specifications section.
Table 19. Voltage Mode
Range Input impedance, nominal[44]44 In parallel with 90 pF. Flatness error 20 kHz, typical Bandwidth (-3 dB), typical[45]45 The AC coupling low frequency (-3 dB) point is 0.7 Hz. THD 1 kHz signal, -1 dBfs, typical THD 20 kHz signal, -1 dBfs, typical
100 mV >10 GΩ, 10 MΩ -0.014 dB 340 kHz -108 dB -90 dB
1 V >10 GΩ, 10 MΩ -0.014 dB 335 kHz -110 dB -86 dB
10 V >10 GΩ, 10 MΩ -0.014 dB 325 kHz -90 dB -64 dB
100 V 10 MΩ -0.050 dB 280 kHz -110 dB -92 dB
1000 V 10 MΩ -0.050 dB 245 kHz -89 dB -70 dB
Table 20. Current Mode
Range Burden voltage, typical Flatness error 20 kHz, typical Bandwidth (-3 dB), typical
100 μA <60 mV ±0.42 dB 42 kHz
1 mA <60 mV ±0.01 dB 450 kHz
10 mA <60 mV ±0.01 dB 450 kHz
100 mA <100 mV ±0.01 dB 450 kHz
1 A <250 mV ±0.01 dB 450 kHz
3 A <700 mV ±0.01 dB 450 kHz

Acquisition System

Table 21. Sampling Rate and Record Duration
Available sampling rates
r ⁢ =   1.8 ⁢   M S / s y
, where y = 1, 2, 3,...1.8 × 105
Minimum record duration 8.89 μs
Maximum record duration 149 s
Record duration n/r, where n = number of samples, r = sampling rate
Variable resolution 10-23 bits; refer to Digitizer Maximum Sampling Rate graph
Available functions Voltage and current
Voltage ranges ±100 mV to ±1000 V (DC or AC coupled)
Current ranges ±100 μA to ±3 A
Timebase accuracy 25 ppm
Table 22. Input Trigger
Latency[46]46 The latency specification value actually reflects negative latency due to sampling before the trigger. Can be reduced to near zero (with the jitter specification) or made positive in software by adding a trigger delay. 3.6 μs
Jitter <600 ns
Note Refer to Trigger Specifications for additional input trigger specifications.
Figure 5. Digitizer Maximum Sampling Rate, Nominal


General Specifications

Warm-up

1 hour to rated accuracy

Self-calibration

Calibrates the FlexDMM relative to high-precision internal voltage and resistance standards. No external calibration equipment required.

External calibration interval

2 year recommended

Measurement category

I[47]47 Measurement Categories CAT I and CAT O (Other) are equivalent. These test and measurement circuits are not intended for direct connection to the MAINs building installations of Measurement Categories CAT II, III, or CAT IV. (up to 1000 VDC or ACrms), II (up to 500 VDC or ACrms)

Caution Do not use this device for connection to signals or for measurements within Measurement Categories III or IV.
Input protection
Resistance

2-wire

Up to 1000 VDC

4-wire

Up to 500 VDC

Diode

Up to 1000 VDC

DC V, AC V

Up to 1000 VDC, 700 V ACrms, 1000 V AC peak

DC I and AC I

F 3 A250 V fast-acting user-replaceable fuse

Maximum common-mode voltage

500 VDC or ACrms

Maximum voltage to earth ground

HI

1000 VDC or peak AC

LO

500 VDC or peak AC

HI SENSE

500 VDC or peak AC

LO SENSE

500 VDC or peak AC

Fuse When this fuse symbol is marked on a device, take proper precautions.

Trigger Specifications

Table 23. Trigger Specifications
Measurement complete trigger pulse width 3 μs
Input trigger pulse width 1 μs, with <2 m cable
Maximum voltage to earth ground at AUX I/O connector 5.5 V DC
Table 24. Trigger Voltage Levels
Vin High 2.0 V min
Vin Low 0.8 V max
Vout High 2.4 V min
Vout Low 0.4 V max
Table 25. Trigger Voltage Level Absolute Maximums
Vin High 5.5 V
Vin Low -0.5 V
Note Triggers are LVTTL/TTL compatible.
Note The AUX I/O connector on the PXI-4071 is not isolated. This connector is not referenced to the measurement circuit but is referenced to the ground of the PXI chassis. Do not operate the digital signals of this connector beyond -0.5 V to 5.5 V of the PXI chassis ground.

Power Requirements

Caution Do not operate the PXI-4071 in a manner not specified in this document. Product misuse can result in a hazard. You can compromise the safety protection built into the product if the product is damaged in any way. If the product is damaged, return it to NI for repair.

Power consumption

<8 W from PXI backplane

Table 26. PXI-4071 Power Requirements, Typical
Rail Voltage Current Consumption Power Consumption
12 V 500 mA 6.00 W
5 V 30 mA 0.15 W
3.3 V 230 mA 0.76 W
-12 V 0 mA 0.00 W

Physical Characteristics

Dimensions

3U, one-slot, PXI/cPCI module

2.0 cm × 13.0 cm × 21.6 cm (0.8 in. × 5.1 in. × 8.5 in.), nominal

Weight

314 g (11 oz), nominal

Note If you need to clean the device, wipe it with a dry towel.

Environment

Maximum altitude 2,000 m (at 25 °C ambient temperature)
Pollution degree 2
Indoor use only

Operating Environment

Ambient temperature range

0 °C to 55 °C (Tested in accordance with IEC 60068-2-1 and IEC 60068-2-2.)

Relative humidity range

Up to 95% RH at 40 °C, noncondensing

Storage Environment

Ambient temperature range -40 °C to 70 °C (Tested in accordance with IEC 60068-2-1 and IEC 60068-2-2.)
Relative humidity range 5% to 95%, noncondensing (Tested in accordance with IEC 60068-2-56.)

Shock and Vibration

Operational shock

30 g peak, half-sine, 11 ms pulse (Tested in accordance with IEC 60068-2-27. Test profile developed in accordance with MIL-PRF-28800F.)

Random vibration

Operating

5 Hz to 500 Hz, 0.31 grms (Tested in accordance with IEC 60068-2-64.)

Nonoperating

5 Hz to 500 Hz, 2.46 grms (Tested in accordance with IEC 60068-2-64. Test profile exceeds the requirements of MIL-PRF-28800F, Class 3.)

Compliance and Certifications

Safety Compliance Standards

This product is designed to meet the requirements of the following electrical equipment safety standards for measurement, control, and laboratory use:

  • IEC 61010-1, EN 61010-1
  • UL 61010-1, CSA C22.2 No. 61010-1
Note For safety certifications, refer to the product label or the Product Certifications and Declarations section.

Electromagnetic Compatibility

This product meets the requirements of the following EMC standards for electrical equipment for measurement, control, and laboratory use:
  • EN 61326-1 (IEC 61326-1): Class A emissions; Basic immunity
  • EN 55011 (CISPR 11): Group 1, Class A emissions
  • EN 55022 (CISPR 22): Class A emissions
  • EN 55024 (CISPR 24): Immunity
  • AS/NZS CISPR 11: Group 1, Class A emissions
  • AS/NZS CISPR 22: Class A emissions
  • FCC 47 CFR Part 15B: Class A emissions
  • ICES-001: Class A emissions
Note In the United States (per FCC 47 CFR), Class A equipment is intended for use in commercial, light-industrial, and heavy-industrial locations. In Europe, Canada, Australia, and New Zealand (per CISPR 11), Class A equipment is intended for use only in heavy-industrial locations.
Note Group 1 equipment (per CISPR 11) is any industrial, scientific, or medical equipment that does not intentionally generate radio frequency energy for the treatment of material or inspection/analysis purposes.
Note For EMC declarations, certifications, and additional information, refer to the Product Certifications and Declarations section.

Product Certifications and Declarations

Refer to the product Declaration of Conformity (DoC) for additional regulatory compliance information. To obtain product certifications and the DoC for NI products, visit ni.com/product-certifications, search by model number, and click the appropriate link.

Environmental Management

NI is committed to designing and manufacturing products in an environmentally responsible manner. NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers.

For additional environmental information, refer to the Engineering a Healthy Planet web page at ni.com/environment. This page contains the environmental regulations and directives with which NI complies, as well as other environmental information not included in this document.

EU and UK Customers

  • Waste Electrical and Electronic Equipment (WEEE)—At the end of the product life cycle, all NI products must be disposed of according to local laws and regulations. For more information about how to recycle NI products in your region, visit ni.com/environment/weee.

    • 电子信息产品污染控制管理办法（中国RoHS）

  • 中国RoHS— NI符合中国电子信息产品中限制使用某些有害物质指令(RoHS)。关于NI中国RoHS合规性信息，请登录 ni.com/environment/rohs_china。(For information about China RoHS compliance, go to ni.com/environment/rohs_china.)

    • 1 Maximum sampling rates refer to waveform acquisition in digitizer mode.

    2 Auto Zero disabled, except 7½ digits, measured on a 10 V and 10 kΩ range.

    3 Relative to external calibration source.

    4 Using internal self-calibration; specifications valid over the entire operating temperature range.

    5 With offset nulling.

    6 With offset nulling; add 1.3 ppm of range for no offset nulling.

    7 For inputs above 300 V, add 25 ppm × (Vin/1000 V)2 to the 90 Day and 2 Year columns.

    8 Relative to external calibration source.

    9 Tempco is the temperature coefficient.

    10 90-day and 2-year specifications are typical.

    11 To account for self-heating effects, for currents higher than 500 mA, add I2 * 75 ppm of reading to the specification.

    12 For ranges ≥1 MΩ and relative humidity >80%, add 100 ppm/MΩ.

    13 -10% to 0% tolerance.

    14 Highest nominal voltage present with highest range resistance applied.

    15 Nominal voltage present at output with no resistance load.

    16 Relative to external calibration source.

    17 Tempco is the temperature coefficient.

    18 Using internal self-calibration; specifications valid over the entire operating temperature range.

    19 With offset compensated ohms enabled. For ADC calibration disabled, add 4 ppm of 100 Ω range and 0.4 ppm of 1 kΩ and 10 kΩ range to the 90 Day and 2 Year columns.

    20 With offset compensated ohms enabled. For ADC calibration disabled, add 4 ppm of 100 Ω range and 0.4 ppm of 1 kΩ and 10 kΩ range to the 90 Day and 2 Year columns.

    21 With offset compensated ohms enabled. For ADC calibration disabled, add 4 ppm of 100 Ω range and 0.4 ppm of 1 kΩ and 10 kΩ range to the 90 Day and 2 Year columns.

    22 Perform offset nulling or add 1 ppm of range to the 24 Hr column and add 7 ppm of range to 90 Day and 2 Year columns.

    23 Applies to 100 MΩ range up to 30 MΩ. 2-wire resistance measurement only. Use tempco outside 18 °C to 28 °C.

    24 Applies to 100 MΩ range up to 30 MΩ. 2-wire resistance measurement only. Use tempco outside 18 °C to 28 °C.

    25 Applies to 100 MΩ range up to 30 MΩ. 2-wire resistance measurement only. Use tempco outside 18 °C to 28 °C. Typical specification.

    26 -10% to 0% tolerance.

    27 Up to 4.0 V measurement for 1 mA test current.

    28 With high-order DC noise rejection; 100 ms aperture.

    29 With normal DC noise rejection; 20 ms (16.67 ms) aperture.

    30 Specification applies for DC coupling.

    31 Applies to signals >1 mVrms.

    32 Specification is typical above 5 kHz.

    33 Specification is typical above 5 kHz.

    34 Applies to signals >9 μArms and ≤1 kHz.

    35 Sine wave only.

    36 0.00025% of reading, typical.

    37 Tempco is the temperature coefficient, expressed in degrees of measurement uncertainty per degree change in DMM instrument operating temperature.

    38 Using simulated reference junction.

    39 Includes PXI-2527 with TB-2627 with a typical 0.5 °C CJC error and a typical thermal EMF offset of 2.5 μV for CJC temperatures between 15 °C and 35 °C. Add an additional 0.5 °C uncertainty when CJC is in the range 0-15 °C or 35-50 °C.

    40 Using simulated reference junction.

    41 Tempco is the temperature coefficient, expressed in degrees of measurement uncertainty per degree change in DMM instrument operating temperature.

    42 Using simulated reference junction.

    43 Tempco is the temperature coefficient, expressed in degrees of measurement uncertainty per degree change in DMM instrument operating temperature.

    44 In parallel with 90 pF.

    45 The AC coupling low frequency (-3 dB) point is 0.7 Hz.

    46 The latency specification value actually reflects negative latency due to sampling before the trigger. Can be reduced to near zero (with the jitter specification) or made positive in software by adding a trigger delay.

    47 Measurement Categories CAT I and CAT O (Other) are equivalent. These test and measurement circuits are not intended for direct connection to the MAINs building installations of Measurement Categories CAT II, III, or CAT IV.