PXIe-4082 Specifications

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Last Modified: May 31, 2018

These specifications apply to the PXIe-4082.

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 Warranted unless otherwise noted.

T_extcal is the device temperature at last external calibration.

T_selfcal is the device temperature at last self-calibration.

Conditions

Specifications are valid under the following conditions unless otherwise noted. Refer to each section for additional conditions that apply.

Self-calibration performed within the last 24 hours
Calibration interval of 2 years
60 minutes warm-up time

DC Voltage Specifications

Accuracy

All DC voltage accuracy specifications apply to apertures of ≥100 ms, with Auto Zero and ADC calibration enabled. Assumes offset nulling. Otherwise, add 2 µV to the specifications.

Table 1. DC Voltage ± (ppm of reading + ppm of range)

Range	Input Resistance^[1]	24 Hr^[2] T_selfcal ±1 °C	90 Day T_selfcal ±5 °C	2 Year T_selfcal ±5 °C	Tempco/°C
Range	Input Resistance^[1]	24 Hr^[2] T_selfcal ±1 °C	90 Day T_selfcal ±5 °C	2 Year T_selfcal ±5 °C	Without Self-Cal	With Self-Cal
100 mV	10 MΩ ± 2%, >10 GΩ	10 + 10	40 + 20	45 + 20	4 + 5	0.3 + 0.3
1 V		6 + 2	20 + 6	25 + 6	2 + 1	0.3 + 0.3
10 V		4 + 2	20 + 6	25 + 6	1 + 1	0.3 + 0.3
100 V	10 MΩ ± 2%	6 + 2	30 + 6	35 + 6	4 + 1	0.3 + 0.3
300 V	10 MΩ ± 2%	6 + 6	30 + 20	35 + 20	4 + 1	0.3 + 0.3

Noise

Figure 1. DC Voltage Noise, Typical

Note

With input shorted, Normal DC Noise Rejection, and Auto Zero ON. For apertures less than 100 ms, add five times the typical rms noise to the accuracy specification.

General

ADC Linearity	0.5 ppm of reading + 1 ppm of range
Effective Common-Mode Rejection Ratio (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, typical
Overrange	105% of range except 300 V
DC voltage input bias current	<30 pA at 23 °C, typical

Resistance Specifications

Accuracy

All resistance accuracy specifications apply to apertures of ≥100 ms, with Offset Compensated Ohms (for ranges ≤10 kΩ) or Auto Zero (for ranges ≥ 100 kΩ) and ADC calibration enabled.

Table 2. Resistance (4-Wire and 2-Wire ^[3]) ± (ppm of reading + ppm of range)

Range	Test Current^[4]	Max Test Voltage	24 Hr^[5] T_selfcal ± 1 °C	90 Day T_selfcal ± 5 °C	2 Year T_selfcal ± 5 °C	Tempco/°C
Range	Test Current^[4]	Max Test Voltage	24 Hr^[5] T_selfcal ± 1 °C	90 Day T_selfcal ± 5 °C	2 Year T_selfcal ± 5 °C	Without Self-Cal	With Self-Cal
100 Ω	1 mA	100 mV	15 + 10	50 + 15	80 + 15	5 + 1	0.8 + 1
1 kΩ	1 mA	1 V	12 + 2	50 + 3	80 + 3	5 + 0.1	0.8 + 0.1
10 kΩ	100 µA	1 V	12 + 2	50 + 3	80 + 3	5 + 0.1	0.8 + 0.1
100 kΩ^[6]	10 µA	1 V	15 + 2	90 + 6	95 + 6	5 + 0.5	2 + 0.5
1 MΩ	10 µA	10 V	20 + 2	90 + 10	95 + 10	5 + 1	2 + 1
10 MΩ	1 µA	10 V	100 + 2	800 + 10	800 + 10	20 + 3	20 + 3
100 MΩ^[7]	1 µA \|\| 10 MΩ	10 V	500 + 10	3000 + 10	3000 + 10	300 + 10	300 + 10

Noise

Figure 2. PXIe-4082 Resistance Noise, Typical

Note

With input shorted, Normal DC Noise Rejection, and Auto Zero ON. For apertures less than 100 ms, add five times the typical rms noise to the accuracy specification.

General

Maximum 4-wire lead resistance

Use the lesser of 10% of range or 1 kΩ

DC Current Specifications

Accuracy

All DC current accuracy specifications apply for apertures ≥100 ms, with Auto Zero and ADC calibration enabled.

Table 3. DC Current ± (ppm of reading + ppm of range)

Range	Burden Voltage, Typical	24 hour^[8] T_selfcal ± 1 °C	2 Year T_selfcal ± 5 °C	Tempco/°C
20 mA	<20 mV	20 + 15	450 + 200	8 + 10
200 mA	<200 mV	20 + 15	550 + 20	8 + 1
1 A	<800 mV	20 + 15	700 + 50	8 + 2

Noise

Figure 3. PXIe-4082 DC Current Noise, Typical

Note

With input open, Normal DC Noise Rejection, and Auto Zero ON. For apertures less than 100 ms, add five times the typical rms noise to accuracy specification.

General

Overrange

105% of range except 1 A range.

AC Voltage Specifications

Accuracy

Note

Measurement aperture greater than 4/f_L where f_L is the lowest frequency component of the signal being measured. Signal amplitudes greater than 1% of range.

Table 4. AC Voltage Accuracy ± (% of reading + % of range), 2 Years, T _extcal ± 10 °C, T _selfcal ± 5 °C

Range (rms)	Peak Voltage	1 Hz to 40 Hz^[9]	>40 Hz to 20 kHz	>20 kHz to 50 kHz	>50 kHz to 100 kHz	>100 kHz to 300 kHz
50 mV^[10]	±105 mV	0.1 + 0.04	0.05 + 0.04	0.09 + 0.04	0.5 + 0.08	3 + 0.1
500 mV	±1.05 V	0.1 + 0.01	0.05 + 0.02	0.09 + 0.02	0.5 + 0.02	3 + 0.05
5 V	±10.5 V
50 V	±105 V
300 V	±450 V
Tempco/°C		0.001 + 0.001	0.001 + 0.001	0.001 + 0.001	0.001 + 0.001	0.01 + 0.01

General

Input impedance	1 MΩ ± 2% in parallel with 150 pF, typical
Input coupling	AC or DC coupled
Overrange	105% of range except 300 V
Maximum Volt-Hertz product	Verified to 2.2 x 10⁷ V-Hz
Maximum DC voltage component	250 V
Common mode rejection ratio (CMRR), 1 kΩ resistance in LO lead	>70 dB (DC to 60 Hz), typical

AC Current Specifications

Accuracy

Note

Measurement aperture greater than 4/f_L, where f_L is the lowest frequency component of the signal being measured. Signal amplitudes greater than 1% of range.

Table 5. AC Current Specifications ± (% of reading + % of range), 2 Years, Full operating temperature range

Range (rms)	Peak Current	Burden Voltage (rms), Typical	1 Hz to 20 kHz^[11]	Tempco/°C
10 mA	±20 mA	<10 mV	0.04 + 0.02	0.001 + 0.0001
100 mA	±200 mA	<100 mV	0.04 + 0.02	0.001 + 0.0001
1 A	±2 A	<800 mV	0.1 + 0.02	0.001 + 0.0001

General

Overrange

105% of range except 300 V

Capacitance Specifications

Accuracy Specifications

Table 6. Capacitance ± (% of reading + % of range), 2 Years, T _extcal ± 10 °C

Range (rms)	Accuracy^[12]	Tempco/°C	Effective Test Current,^[13] Nominal	Effective Frequency,^[13] Nominal	Default Model	Maximum Reading Rate^[14]
300 pF	0.5 + 0.6	0.01 + 0.025	160 nA	3 kHz	Parallel	15 S/s
1 nF	0.4 + 0.2	0.01 + 0.003	330 nA	3 kHz	Parallel	15 S/s
10 nF	0.3 + 0.1	0.01 + 0.001	330 nA	3 kHz	Parallel	15 S/s
100 nF	0.3 + 0.1	0.01 + 0.001	3.3 µA	3 kHz	Parallel	15 S/s
1 µF	0.3 + 0.1	0.01 + 0.001	100 µA	1 kHz	Series	15 S/s
10 µF	0.3 + 0.1	0.01 + 0.001	1 mA	1 kHz	Series	15 S/s
100 µF	0.3 + 0.1	0.01 + 0.001	1 mA	91 Hz	Series	3 S/s
1000 µF	0.4 + 0.1	0.01 + 0.001	1 mA	91 Hz	Series	3 S/s
10000 µF	0.3 + 0.1	0.01 + 0.001	1 mA	91 Hz	Series	3 S/s

General Specifications

DC bias^[15]

0.46 V from HI to LO, nominal, user-selectable (OFF by default)

Inductance Specifications

Accuracy Specifications

Table 7. Inductance ± (% of reading + % of range), 2 Years, T _extcal ± 10 °C

Range (rms)	Accuracy^[16]	Tempco/°C	Effective Test Current,^[17] Nominal	Effective Frequency,^[17] Nominal	Default Model	Maximum Reading Rate^[18]
10 µH	0.5 + 1	0.01 + 0.01	330 µA	30 kHz	Series	20 S/s
100 µH	0.5 + 0.1	0.01 + 0.01	330 µA	30 kHz	Series	20 S/s
1 mH	0.5 + 0.1	0.01 + 0.0001	330 µA	3 kHz	Series	15 S/s
10 mH^[19]	0.5 + 0.1	0.005 + 0.001	3.3 µA	3 kHz	Series	15 S/s
100 mH^[19]	0.5 + 0.1	0.005 + 0.001	33 µA	273 kHz	Series	3 S/s
1 H^[19]	0.5 + 0.1	0.007 + 0.001	3.3 µA	273 kHz	Series	3 S/s
5 H^[19]	0.5 + 0.1	0.007 + 0.001	330 nA	273 kHz	Series	3 S/s

Diode Test Specifications

Range	10 V
Test current^[20]	1 µA, 10 µA, 100 µA, 1 mA^[21]
Accuracy	Add 20 ppm of reading to 10 VDC voltage specifications.

Frequency and Period Specifications

Note

Aperture time set to 150 ms.

Frequency range	15 Hz to 500 kHz
Period measurement range	2 µs to 66.67 ms

AC Input Voltage Range	Corresponding Isolated Digitizer Range	Minimum Peak-to-Peak Signal Amplitude^[22]	Maximum Peak-to-Peak Signal Amplitude	Accuracy
50 mV	100 mV	5 mV	200 mV	Refer to the PXIe_CLK100 accuracy of the chassis.
500 mV	1 V	50 mV	2 V
5 V	10 V	500 mV	20 V
50 V	100 V	5 V	200 V
300 V	300 V	50 V	450 V

Temperature Specifications

All temperature accuracy specifications apply to apertures ≥100 ms, Auto Zero, and ADC calibration enabled. Use lowest possible resistance or voltage range for each temperature. Add probe accuracy and cold junction accuracy where applicable.

Sensor Type	Temperature Range	Accuracy
RTD^[23]	-200 to 600 °C	0.1 °C
Thermistor^[24]	-80 to 150 °C	0.08 °C
J Thermocouple	-210 to 1200 °C	0.2 °C
K Thermocouple	-200 to 1200 °C	0.3 °C
N Thermocouple	-200 to 1300 °C	0.4 °C
T Thermocouple	-200 to 400 °C	0.3 °C
E Thermocouple	-200 to 1000 °C	0.2 °C
R Thermocouple	-50 to 1760 °C	0.8 °C
S Thermocouple	-50 to 1760 °C	0.8 °C
B Thermocouple	400 to 1820 °C	0.8 °C

Isolated Digitizer Specifications

Available functions	Voltage and current
Voltage ranges	±100 mV to ±300 V (DC or AC coupled)
Current ranges	±20 mA to ±1 A
Sample rate range	10 S/s to 1.8 MS/s
Available sample rates	r = (1.8 MS/s) / y, where y = 1, 2, 3,...1.8 x 10⁵
Timebase accuracy	Equal to the PXIe_CLK100 accuracy of the chassis
Digitizer record length	2 samples minimum, unlimited maximum

Table 8. Voltage Mode

Range	Input Resistance^[25]	DC Accuracy, (ppm/reading + ppm/range) 2 year, T_selfcal ± 5 °C	Analog Bandwidth, ^[26] Typical
Range	Input Resistance^[25]		±0.1 dB	-3 dB
100 mV	1 MΩ ± 2%, >10 GΩ	125 + 175	40 kHz	240 kHz
1 V		125 + 75	40 kHz	240 kHz
10 V		125 + 75	40 kHz	240 kHz
100 V	1 MΩ ± 2%	125 + 75	30 kHz	240 kHz
300 V	1 MΩ ± 2%	125 + 75	30 kHz	240 kHz

Figure 4. PXIe-4082 Voltage Waveform Noise, Typical

Note

With input shorted.

Table 9. Current

Range	Burden Voltage, Typical	DC Accuracy, (ppm/reading + ppm/range) 2 year, T_selfcal ± 5 °C	Analog Bandwidth, Typical
Range	Burden Voltage, Typical		±0.1 dB	-3 dB
20 mA	<20 mV	100 +100	60 kHz	300 kHz
200 mA	<200 mV	100 +100	60 kHz	300 kHz
1 A	<800 mV	100 +100	60 kHz	300 kHz

Figure 5. PXIe-4082 Current Waveform Noise, Typical

Note

With input open.

General Specifications

External calibration interval	2 years
Warm-up	60 minutes to rated accuracy
Measurement Category	II

Caution

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

Input protection (between terminals or terminal to ground)

300 VDC or AC_rms

Current mode fuse

T 1 A 400 V, time-lag user-replaceable Minimum interrupt rating: 500 A Littelfuse 0477001.MXP

Maximum common-mode voltage

300 VDC or AC_rms

Maximum voltage to earth ground
HI	300 VDC or AC_rms
LO	300 VDC or AC_rms
HI SENSE	300 VDC or AC_rms
LO SENSE	300 VDC or AC_rms

Fuse

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

Hazardous Voltage

This icon denotes a warning advising you to take precautions to avoid electrical shock.

Timing

Mode	Trigger Latency		Maximum Reading Rate^[27]
Mode	AC Voltage	All Functions Except AC Voltage^[28]	Maximum Reading Rate^[27]
Voltage, current, and resistance	15 µs	<0 µs	20 kS/s
Voltage and current digitizer	15 µs	<0 µs	1.8 MS/s
Capacitance and inductance	30 ms, nominal		Refer to capacitance and inductance specifications for maximum reading rates.

Power

Power consumption	<9 W from PXI Express backplane
+12 V load	0.55 A max
+ 3.3 V load	0.55 A max

Physical Characteristics

Dimensions	3U, one-slot, PXI/cPCI module; 2.0 cm x 13.0 cm x 21.6 cm (0.8 in. x 5.1 in. x 8.5 in.), nominal
Weight	340 g (12 oz), nominal

Note

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

Environment

Maximum altitude	2,000 m (800 mbar) (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. Meets MIL-PRF-28800F Class 3 low temperature limit and MIL-PRF-28800F Class 2 high temperature limit.)
Relative humidity range	10% to 90%, noncondensing (Tested in accordance with IEC 60068-2-56.)

Storage Environment

Ambient temperature range	-40 °C to 71 °C (Tested in accordance with IEC 60068-2-1 and IEC 60068-2-2. Meets MIL-PRF-28800F Class 3 limits.)
Relative humidity range	5% to 95%, noncondensing (Tested in accordance with IEC 60068-2-56.)

Shock and Vibration

Operating shock

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

Random vibration
Operating	5 Hz to 500 Hz, 0.3 g_rms (Tested in accordance with IEC 60068-2-64.)
Nonoperating	5 Hz to 500 Hz, 2.4 g_rms (Tested in accordance with IEC 60068-2-64. Test profile exceeds the requirements of MIL-PRF-28800F, Class 3.)

Compliance and Certifications

Caution

Electromagnetic interference can adversely affect the measurement accuracy of this product. The input terminals of this device are not protected for electromagnetic interference. As a result, this device may experience reduced measurement accuracy or other temporary performance degradation when connected cables are routed in an environment with radiated or conducted radio frequency electromagnetic interference. To limit radiated emissions and to ensure that this device functions within specifications in its operational electromagnetic environment, take precautions when designing, selecting, and installing measurement probes and cables.

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 UL and other 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 Online Product Certification section.

CE Compliance

This product meets the essential requirements of applicable European Directives, as follows:

2014/35/EU; Low-Voltage Directive (safety)
2014/30/EU; Electromagnetic Compatibility Directive (EMC)

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/certification, search by model number or product line, and click the appropriate link in the Certification column.

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 Minimize Our Environmental Impact 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.

Waste Electrical and Electronic Equipment (WEEE)

EU Customers

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）

中国客户

National Instruments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National Instruments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 In parallel with 150 pF, typical
² Relative to external calibration source.
³ Perform offset nulling or add 200 mΩ to reading.
⁴ -10% to 0% tolerance, typical.
⁵ Relative to external calibration source.
⁶ Perform offset nulling or add 2 ppm of range to the specifications.
⁷ 2-wire resistance measurement only. Use tempco outside T_extcal +/- 10 °C. Typical accuracy is 5% between 105 MΩ and 1.05 GΩ.
⁸ Relative to external calibration source.
⁹ Applies to DC coupled only.
¹⁰ Applies to signals >2 mV
¹¹ Specification is typical for the 5 kHz to 20 kHz frequency range.
¹² After lead compensation with <3 meters of coaxial or shielded twisted-pair cabling. Specifications apply to >5% of range and <110% of range, except 300 pF range which measures down to 0.05 pF.
¹³ Correlated to single-tone test method.
¹⁴ Number of LC measurements to average = 1
¹⁵ Applies to capacitance modes only.
¹⁶ After lead compensation with <3 meters of coaxial or shielded twisted-pair cabling. Specifications apply to >5% of range and <110% of range, except 300 pF range which measures down to 0.05 pF.
¹⁷ Correlated to single-tone test method.
¹⁸ Number of LC Measurements to Average = 1.
¹⁹ Specifications apply to >1% of range.
²⁰ -10% to 0% tolerance, typical.
²¹ Up to 4.5 V measurement for 1 mA test current.
²² Square wave input. Minimum required peak-to-peak signal level is valid only for frequencies up to the -3 dB bandwidth. For higher frequencies, the signal amplitude must be increased. Refer to the Digitizer Voltage Mode for bandwidths.
²³ Based on Pt3851 RTD in a 4-wire configuration.
²⁴ Based on 44004, 44006, and 44007 interchangeable thermistors.
²⁵ Input impedance in parallel with 150 pF, typical. When AC coupled, only 1 MΩ available.
²⁶ Typical AC coupled frequency is 6 Hz (±0.1 dB) and 0.8 Hz (-3 dB).
²⁷ Maximum Reading Rate assumes minimum aperture time, Auto Zero is OFF, Offset Compensated Ohms is OFF, ADC Calibration is OFF, Number of Averages is 1, and Settle Time is 0 seconds. Varying these settings will vary the reading rate.
²⁸ Trigger latency for all functions except AC Voltage assumes Auto Zero, Offset Compensated Ohms, and ADC Calibration are OFF.

Table Of Contents

Definitions

Conditions

DC Voltage Specifications

Accuracy

Noise

General

Resistance Specifications

Accuracy

Noise

General

DC Current Specifications

Accuracy

Noise

General

AC Voltage Specifications

Accuracy

General

AC Current Specifications

Accuracy

General

Capacitance Specifications

Accuracy Specifications

General Specifications

Inductance Specifications

Accuracy Specifications

Diode Test Specifications

Frequency and Period Specifications

Temperature Specifications

Isolated Digitizer Specifications

General Specifications

Timing

Power

Physical Characteristics

Environment

Operating Environment

Storage Environment

Shock and Vibration

Compliance and Certifications

Safety Compliance Standards

Electromagnetic Compatibility

CE Compliance

Product Certifications and Declarations

Environmental Management

Waste Electrical and Electronic Equipment (WEEE)

电子信息产品污染控制管理办法（中国RoHS）

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