NATIONAL INSTRUMENTS PXI-4065 PXI Digital Multimeter Instruction Manual

: June 16, 2024
: NATIONAL INSTRUMENTS

Table of Contents

NATIONAL INSTRUMENTS PXI-4065 PXI Digital Multimeter
Frequently Asked Questions
Conditions
DC Specifications
AC Specifications
Temperature Accuracy Specifications
General Specifications
Environment
Compliance and Certifications
CE Compliance
Waste Electrical and Electronic Equipment (WEEE)
References
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NATIONAL INSTRUMENTS PXI-4065 PXI Digital Multimeter

Product Specifications

Model: PXI-4065

Definitions

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

Specifications are Warranted unless otherwise noted.

Conditions

10

DC Specifications

Resolution (digits)| Reading rate (S/s), specified for 60 Hz (and 50 Hz)
operation
---|---
0.6 (0.5)| 900
6 (5)| 1,500
10 (8.33)| 3,000
30 (25)| Aperture time (NPLC)
60 (50)| RMS noise (ppm of range), 10 V range

Noise Performance

DC System Speed Characteristics

Range or function changes| Auto Range time, DC V| Auto Range time, DC I| Auto Range time, resistance| Trigger latency| Maximum trigger rate
---|---|---|---|---|---
10/s| 200 ms| 200 ms| 250 ms| 10 G, 10 M| 30 + 30
20 + 8| 65 + 12| 90 + 12| 10 M| 5 + 1| 10 V
15 + 7| 65 + 12| 90 + 12| 10 M| 5 + 1| 2 Measured on the 10 V range. 3 With offset nulling.

Range Resolution

Range	Resolution	Input resistance (10 M, default), nominal
100 V	10 M	20 + 8
100 V	10 M	75 + 12
300 V	1 mV	75 + 40
10 M	9 + 1

AC Current (% of Reading + % of Range)

Range (peak current)	Frequency	10 Hz to 40 Hz	> 40 Hz to 5 kHz
10 mA	1.6 to 0.05	0.3 + 0.05	2.1 + 0.05
100 mA	0.3 + 0.06	0.015 + 0.03
1 A	0.015 + 0.03
3 A

High Crest Factor Additional Error16 Additional error (% of reading)

Crest factor	1 to 3	3 to 4	4 to 5
Additional error	0.05%	0.1%	1% (for frequencies above 2 kHz)

AC Functions General Specifications

Input impedance: 10 M in parallel with 200 pF, nominal
Input coupling: AC coupling
Maximum Voltz-Hertz product: 3 x 107 V-Hz
Maximum DC voltage component: 250 V
CMRR, 1 k resistance in LO lead: 70 dB (DC to 60 Hz)
Overrange: 105% of range except 300 V, 3 A range

Temperature Accuracy Specifications17

Type	Range	With Simulated Ref.	Junction18	With PXI-252719	Resolution
J	-150 to 1200	0.3	1.0	-210 to -150	0.4
K	-100 to 1200	0.4	1.0	-200 to -100	0.4
N	-100 to 1300	0.3	1.0	-200 to -100	0.6
T	-100 to 400	0.3	1.0	-200 to -100	0.4
E	-150 to 1000	0.2	1.0	-200 to -150	0.3
R	300 to 1760	0.6	1.8	-50 to 300

Frequently Asked Questions

Q: What are the specifications for the PXI-4065?

A: The specifications for the PXI-4065 include resolution, reading rate, aperture time, RMS noise, DC system speed characteristics, range resolution, AC current, high crest factor additional error, AC functions general specifications, and temperature accuracy.

Q: What is the reading rate for the PXI-4065?

A: The reading rate for the PXI-4065 is specified for 60 Hz (and 50 Hz) operation and ranges from 900 S/s to 3,000 S/s, depending on the resolution.

Q: What is the RMS noise for the PXI-4065?

A: The RMS noise for the PXI-4065 is specified in ppm (parts per million) of range and varies depending on the range. For example, on the 10 V range, the RMS noise ranges from 0.02 ppm to 11.5 ppm.

Q: What is the maximum trigger rate for the PXI-4065?

A: The maximum trigger rate for the PXI-4065 is 30 + 30 triggers per second.

Q: What is the input impedance for the PXI-4065?

A: The input impedance for the PXI-4065 is 10 M in parallel with 200 pF, nominal.

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 expected performance met by a majority of the models.
Nominal specifications describe parameters and attributes that may be useful in operation. Specifications are Warranted unless otherwise noted.

Conditions

Specifications are valid under the following conditions unless otherwise noted.

Ambient temperature of Tcal ± 5 °C.1
Calibration interval of 1 year
30 minutes minutes warm-up time
niDMM Digits Resolution property or NIDMM_ATTR_RESOLUTION_DIGITS attribute set to 6.5
niDMM Aperture Time Units property or NIDMM_ATTR_APERTURE_TIME_UNITS attribute set to Power Line Cycles
niDMM Aperture Time property or NIDMM_ATTR_APERTURE_TIME attribute set to 10

DC Specifications

Resolution (digits)| Reading rate (S/s), specified for 60 Hz (and 50 Hz) operation| Aperture time (NPLC)| RMS noise (ppm of range), 10 V range
---|---|---|---
6½| 0.6 (0.5)| 100| 0.06
6 (5)| 10| 0.2
10 (8.33)| 6| 0.25
5½| 30 (25)| 2| 0.4
60 (50)| 1| 0.55
900| 0.06| 1.7
1,500| 0.04| 2.5
4½| 3,000| 0.02| 11.5

Tcal = temperature at which last external calibration was performed. NI factory calibration is 23 °C ± 1 °C.
| ni.com | PXI-4065 Specifications

Figure 1. Noise Performance2

DC System Speed Characteristics

Range or function changes 10/s
Auto Range time, DC V 200 ms
Auto Range time, DC I 200 ms
Auto Range time, resistance 250 ms
Trigger latency <1 μs
Maximum trigger rate 2.5 kHz

DC Accuracy Specifications

Table 1. DC Voltage ± (ppm of Reading + ppm of Range)

Range| Resolution| Input resistance (10 MΩ,

default), nominal

| 24 Hr 4

5 ±1 °C

T cal

| 90 day T cal

±5 °C

| 1 year T cal

±5 °C

| Tempco 6 (ppm/°C)
---|---|---|---|---|---|---
100 mV3| 100 nV| >10 GΩ,

10 MΩ

| 30 + 30| 65 + 35| 90 + 35| 5 + 2
1 V| 1 μV| >10 GΩ,

10 MΩ

| 20 + 8| 65 + 12| 90 + 12| 5 + 1
10 V| 10 μV| >10 GΩ,

10 MΩ

| 15 + 7| 65 + 12| 90 + 12| 5 + 1

Measured on the 10 V range.
With offset nulling.

Table 1. DC Voltage ± (ppm of Reading + ppm of Range) (Continued)

Range| Resolution| Input resistance (10 MΩ,

default), nominal

| 24 Hr 4

5 ±1 °C

T cal

| 90 day T cal

±5 °C

| 1 year T cal

±5 °C

| Tempco 6 (ppm/°C)
---|---|---|---|---|---|---
100 V| 100 μV| 10 MΩ| 20 + 8| 75 + 12| 110

+ 12

| 9 + 1
300 V| 1 mV| 10 MΩ| 20 + 24| 75 + 40| 110

+ 40

| 9 + 1

Table 2. DC Current ± (ppm of Reading + ppm of Range)

Range| Resolution| Burden voltage, typical| 24 Hr 4

5 ±1 °C

T cal

| 90 day T cal

±5 °C

| 1 year T cal

±5 °C

| Tempco 6 (ppm/°C)
---|---|---|---|---|---|---
10 mA| 10 nA| <60 mV| 50 + 100| 300 + 200| 500 + 200| 30 + 20
100 mA| 100 nA| <0.6 V| 100 + 40| 300 + 50| 500 + 50| 30 + 5
1 A| 1 μA| <0.35 V| 500 + 60| 800 + 100| 1,000

+ 100

| 65 + 10
3 A| 3 μA| <1 V| 1,0007 + 200| 1,2007

+ 200

| 1,2007

+ 200

| 65 + 20

Relative to external calibration source. DMM must remain powered on.
Tcal is the temperature at which last external calibration was performed. NI factory calibration is 23°C ±1°C.
Tempco is the temperature coefficient in ppm of range per degree Celsius.
Add 650 ppm/A of reading for currents above 1.5 A.

Table 3. Resistance8 (4-Wire and 2-Wire) ± (ppm of Reading + ppm of Range)

Range| Resolution| Test current, nominal| 24 Hr 9

T cal 10 ±1 °C

| 90 day

T cal ±5 °C

| 1 year

T cal ±5 °C

| Tempco 6 (ppm/°C)
---|---|---|---|---|---|---
100 Ω| 100 μΩ| 1 mA| 30 + 30| 95 + 40| 110 + 40| 8 + 3
1 kΩ| 1 mΩ| 1 mA| 20 + 8| 95 + 20| 110 + 20| 8 + 1
10 kΩ| 10 mΩ| 100 μA| 20 + 8| 95 + 20| 110 + 20| 8 + 1
100 kΩ| 100 mΩ| 10 μA| 20 + 8| 95 + 20| 110 + 20| 8 + 1
1 MΩ| 1 Ω| 5 μA| 20 + 12| 110 + 24| 125 + 24| 10 + 1
10 MΩ11| 10 Ω| 500 nA| 150 + 12| 400 + 24| 500 + 24| 30 + 2
100 MΩ11| 100 Ω| 500 nA||| 2,000 + 24| 6,000 + 60| 8,000| 400 + 4
| | 10 MΩ| | | + 60|

Table 4. Diode Test 12

Range	Resolution	Test current, nominal	Accuracy
10 V	10 μV	100 μA, 1 mA (up to 3.5 V measurement for 1 mA test current)	Add

50 ppm of range and 50 ppm of reading to 10 V DC voltage specifications.

DC Functions General Specifications

Overrange 105% of range except 300 V and 3 A range
Maximum 4-wire lead resistance Use the lesser of 10% of range or 1 kΩ
DC voltage input bias current <40 pA at 23 °C, typical
Effective Common-Mode Rejection Ratio (CMRR)
(1 kΩ resistance in LO lead) >150 dB second order DC noise rejection (for power-line frequency ±0.1%), 12 PLC aperture

Specifications are for 4-wire measurements. For 2-wire measurements, perform offset nulling or add 200 mΩ to specification. For relative humidity >80%, add 100 ppm/MΩ.
Relative to external calibration source. DMM must remain powered on.
Tcal is the temperature at which last external calibration was performed. NI factory calibration is 23°C ±1°C.
2-wire resistance measurement only.
Can be used to test p-n junctions, LEDs, or zener diodes up to 10 V.

Table 5. Normal Mode Rejection Ratio (NMRR)

Aperture time (NPLC)| DC noise rejection| Normal mode rejection (for power-line frequency ±0.1%)
---|---|---
1| Normal| 60 dB
2| Second-order| >85 dB
10

AC Specifications

Desired bandwidth| Recommended reading rate| Resolution (digits)
---|---|---
10 Hz to 100 kHz| 1 S/s| 6½
100 Hz to 100 kHz| 10 S/s| 5½
500 Hz to 100 kHz| 100 S/s| 4½

AC System Speed Characteristics

Range or function changes 10/s
Trigger latency <1 μs
Maximum trigger rate 2.5 kHz

AC Accuracy Specifications
Note All AC accuracy specifications apply to signal amplitudes greater than 2% of range.

Table 6. AC Voltage (% of Reading + % of Range)

Range (peak voltage)| Frequency| 24 hr 13

T cal ±1 °C

| 1 year 14

T cal ±5 °C

| Tempco 15 (%/°C)
---|---|---|---|---
200 mV (± 320 mV),

2 V (± 3.2 V),

20 V (± 32 V),

300 V (± 425 V)

| 10 Hz to 40 Hz| 1.5 + 0.04| 2 + 0.05| 0.01 + 0.003

40 Hz to 20 kHz| 0.2 + 0.04| 0.2 + 0.05| 0.01 + 0.003
20 kHz to 50 kHz| 0.3 + 0.04| 0.3 + 0.05| 0.01 + 0.003
50 kHz to 100 kHz| 1.5 + 0.08| 1.5 + 0.08| 0.02 + 0.005

Table 7. AC Current (% of Reading + % of Range)

Range (peak current)| Frequency| 24 hr 13

T cal ±1 °C

| 1 year 14

T cal ±5 °C

| Tempco 15 (%/°C)
---|---|---|---|---
10 mA (± 16 mA),

100 mA (± 160 mA),

500 mA (± 780 mA),

3 A (± 4.25 A)

| 10 Hz to 40 Hz| 1.6 to 0.05| 2.1 + 0.05| 0.015 + 0.03

40 Hz to 5 kHz| 0.3 + 0.05| 0.3 + 0.06| 0.015 + 0.03

Table 8. High Crest Factor Additional Error 16

Crest factor	Additional error (% of reading)
1 to 3	0.05%
3 to 4	0.1%
4 to 5	1% (for frequencies above 2 kHz)

AC Functions General Specifications

Input impedance 10 MΩ in parallel with 200 pF, nominal
Input coupling AC coupling
Maximum Voltz-Hertz product 3 x 107 V-Hz
Maximum DC voltage component 250 V

Tcal is the temperature at which last external calibration was performed. NI factory calibration is 23°C ±1 °C.
Use the 1 Year specification to calibrate on a 90-day cycle.
Tempco is the temperature coefficient. Tempco values are valid within the device’s ambient temperature range.
Applicable for non-sinewave signals up to the rated peak voltage, current, or bandwidth.
CMRR, 1 kΩ resistance in LO lead 70 dB (DC to 60 Hz)
Overrange 105% of range except 300 V, 3 A rang

Temperature Accuracy Specifications

Table 9. Thermocouple Temperature Accuracy Specifications (°C)

Type| Range| 1 year T cal ±5 °C| Tempco (°C reading /°C DMM ) 20| Resolution
---|---|---|---|---
With Simulated Ref. Junction 18| With PXI-2527 19
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

Tcal = temperature at which last external calibration was performed. NI factory calibration is 23°C ±1 °C. For total measurement accuracy, add temperature probe error.
Using simulated reference junction.
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 °C to 15 °C or 35 °C to 50 °C.
Tempco = Temperature coefficient, expressed in degrees of measurement uncertainty per degree change in DMM instrument operating temperature.

Table 9. Thermocouple Temperature Accuracy Specifications (°C) (Continued)

Type| Range| 1 year T cal ±5 °C| Tempco (°C reading /°C DMM ) 20| Resolution
---|---|---|---|---
With Simulated Ref. Junction 18| With PXI-2527 19
B| 1100 to 1820| 0.6| 1.8| 0.09| 0.1
400 to 1100| 1.4| 1.9| 0.09| 0.1

Table 10. RTD21 Temperature Accuracy Specifications (°C)

Range	1 year T cal18 ±5 °C	Tempco/°C 22	Resolution
-200 to 600	0.17	0.011	0.01

Table 11. Thermistor Temperature Accuracy Specifications (°C)

Range	1 year T cal18 ±5 °C	Tempco/°C 22	Resolution
-80 to 150	0.08	0.002	0.01

General Specifications

Maximum common-mode voltage 300 V ACrms or DC
Measurement Category II

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

Using simulated reference junction.
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 °C to 15 °C or 35 °C to 50 °C.
RTD with RO = 100 Ω Pt3851 RTD in a 4-wire configuration, using lowest possible resistance range for each temperature.
Tempco is the temperature coefficient, expressed in degrees of measurement uncertainty per degree change in DMM instrument operating temperature.

Input Protection Characteristics

DC I and AC I 3.15 Amp, fused F 3.15 A 250 V, fast-acting user-replaceable fuse
Resistance, diode Up to 300 V DC
DC V, AC V Up to 300 V DC, 300 V ACrms, 450 V AC peak
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.

Calibration Interval
Calibration interval 1 year recommended

Warm-Up Time Characteristics
Warm-up time 30 minutes to rated accuracy

Trigger Characteristics

Input triggers

Types Trigger, Sample Trigger (programmable edge)
Sources Auxiliary connector (AUX I/O connector), PXI Trigger lines
Minimum pulse width 200 ns
Max samples per trigger 2.1 x 109
Trigger delay 0 to 149 s
Logic level 5 V TTL, LVTTL

Output triggers

Types Measurement Complete (programmable edge)
Destinations Auxiliary connector (AUX I/O connector), PXI Trigger lines
Pulse width 1 μs
Logic level 3.3 V

Note The AUX I/O connector is not isolated. It is not referenced to your measurement circuit. The connector is referenced to the ground of your chassis. The digital signals on this connector should not operate beyond -0.5 to 5.5 V of your chassis ground. The
trigger signals are TTL-compatible.

Power Consumption Characteristics
Power consumption <3 W from PXI backplane

Table 12. PXI Power Consumption, Typical

Rail voltage	Power consumption
12 V	<0.12 W
5.0 V	<1.50 W
3.3 V	<0.50 W

Physical Characteristics

Dimensions 3 U, one slot, PXI/cPXI module 21.6 cm × 2.0 cm × 13.0 cm (8.5 in. × 0.8 in. × 5.1 in.)
Weight 351.5 g (12.4 oz)

Cleaning Statement
Caution Clean the hardware with a soft, nonmetallic brush. Make sure that the hardware is completely dry and free from contaminants before returning it to service.

Environment

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

Operating Environment

Ambient temperature range 0 to 55 °C (Tested in accordance with IEC 60068-2-1 and IEC 60068-2-2.)
Relative humidity range 10% to 90%, 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, 0.3 grms (Tested in accordance with IEC 60068-2-64.)
Nonoperating 5 Hz to 500 Hz, 2.4 grms (Tested in accordance with IEC 60068-2-64. Test profile exceeds the requirements of MIL-PRF-28800F, Class 3.)

Compliance and Certifications

Caution You can impair the protection provided by the PXI-4065 if you use it in a manner not described in this document.
Caution This product is intended for use in industrial locations. As a result, this product may cause interference if used in residential areas. Such use must be avoided unless the user takes special measures to reduce electromagnetic emissions to prevent interference to the reception of radio and television broadcasts.

Safety
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 Online Product Certification 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)

Online Product Certification
Refer to the product Declaration of Conformity (DoC) for additional regulatory compliance information. To obtain product certifications and the DoC for this product, 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.

ni.com/environment/rohs_china (For information about China RoHS compliance, go to ni.com/environment/rohs_china.)

Information is subject to change without notice. Refer to the NI Trademarks and Logo Guidelines at ni.com/trademarks for information on NI trademarks. Other product and company names mentioned herein are trademarks or trade names of their
respective companies. For patents covering NI products/technology, refer to the appropriate location: Help»Patents in your
software, the patents.txt file on your media, or the National Instruments Patent Notice at ni.com/patents. You can find information about end-user license agreements (EULAs) and third-party legal notices in the readme file for your NI product. Refer
to the Export Compliance Information at ni.com/legal/export- compliance for the NI global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other import/export data. NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS
TO THE ACCURACY OF THE INFORMATION CONTAINED HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS. U.S. Government Customers: The data contained in this manual was developed at private expense and is subject to the applicable limited rights and restricted data rights as set forth in FAR 52.227-14, DFAR 252.227-7014, and DFAR 252.227-7015.
© 2006—2017 National Instruments. All rights reserved.
374315J-01 Jan17

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