PXI-4065 Specifications

PXI-4065 Specifications

These specifications apply to the PXI-4065, a 6½-Digit, ±300 V PXI Digital Multimeter.

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.

Tcal is the device temperature at last external calibration. NI factory calibration is 23 °C ± 1 °C.

Conditions

Specifications are valid under the following conditions unless otherwise noted.

  • Ambient temperature of Tcal ± 5 °C.
  • Calibration interval of 1 year
  • Warm-up time of 30 minutes
  • 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
0.6 (0.5) 100 0.06
6 (5) 10 0.2
10 (8.33) 6 0.25
30 (25) 2 0.4
60 (50) 1 0.55
900 0.06 1.7
1,500 0.04 2.5
3,000 0.02 11.5
Figure 1. Noise Performance, Nominal

1378

Note Noise performance is measured on the 10 V range.

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

Note Tempco is the temperature coefficient in ppm of range per degree Celsius.
Table 1. DC Voltage ± (ppm of Reading + ppm of Range)
Range Resolution Input resistance (10 MΩ, default), nominal 24 hour[1]1 Relative to external calibration source. DMM must remain powered on. Tcal ±1 °C 90 day Tcal±5 °C 1 year Tcal ±5 °C Tempco(ppm/°C)
100 mV[2]2 With offset nulling. 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
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 hour[3]3 Relative to external calibration source. DMM must remain powered on. Tcal ±1 °C 90 day Tcal±5 °C 1 year Tcal ±5 °C Tempco(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 1,000[4]4 Add 650 ppm/A of reading for currents above 1.5 A. + 200 1,200[5]5 Add 650 ppm/A of reading for currents above 1.5 A. + 200 1,200[6]6 Add 650 ppm/A of reading for currents above 1.5 A. + 200 65 + 20
Table 3. Resistance (4-Wire and 2-Wire) ± (ppm of Reading + ppm of Range)
Range Resolution Test current, nominal Max test voltage[7]7 Highest nominal voltage present with highest range resistance applied. Open circuit voltage[8]8 Nominal voltage present at output with no resistance load. 24 hour [9]9 Relative to external calibration source. DMM must remain powered on. Tcal ±1 °C 90 day Tcal±5 °C 1 year Tcal ±5 °C Tempco(ppm/°C)
100 Ω 100 μΩ 1 mA 100 mV 6.3 30 + 30 95 + 40 110 + 40 8 + 3
1 kΩ 1 mΩ 1 mA 1 V 6.3 20 + 8 95 + 20 110 + 20 8 + 1
10 kΩ 10 mΩ 100 μA 1 V 11.9 20 + 8 95 + 20 110 + 20 8 + 1
100 kΩ 100 mΩ 10 μA 1 V 6.3 20 + 8 95 + 20 110 + 20 8 + 1
1 MΩ 1 Ω 5 μA 10 V 6.3 20 + 12 110 + 24 125 + 24 10 + 1
10 MΩ[10]10 2-wire resistance measurement only. 10 Ω 500 nA 10 V 11.9 150 + 12 400 + 24 500 + 24 30 + 2
100 MΩ[11]11 2-wire resistance measurement only. 100 Ω 500 nA||10 MΩ 10 V 4.9 2,000 + 24 6,000 + 60 8,000 + 60 400 + 4
Note Resistance 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.
Table 4. Diode Test
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.
Note Diode test specifications can be used to test p-n junctions, LEDs, or zener diodes up to 10 V.

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
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
100 Hz to 100 kHz 10 S/s
500 Hz to 100 kHz 100 S/s

AC System Speed Characteristics

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

AC Accuracy Specifications

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

Note Tempco is the temperature coefficient. Tempco values are valid within the device's ambient temperature range.
Table 6. AC Voltage (% of Reading + % of Range)
Range (peak voltage) Frequency 24 hour Tcal ±1 °C 1 year[12]12 Use the 1 Year specification to calibrate on a 90-day cycle. Tcal ±5 °C Tempco(%/°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 hour Tcal ±1 °C 1 year[13]13 Use the 1 Year specification to calibrate on a 90-day cycle.Tcal ±5 °C Tempco(%/°C)
10 mA16 mA), 100 mA160 mA), 500 mA780 mA), 3 A4.25 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
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)
Note High crest factor additional error is applicable for non-sinewave signals up to the rated peak voltage, current, or bandwidth.

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
CMRR, 1 kΩ resistance in LO lead 70 dB (DC to 60 Hz)
Overrange 105% of range except 300 V, 3 A range

Temperature Accuracy Specifications

Note

Tcal is the device temperature at last external calibration. NI factory calibration is 23 °C ± 1 °C. For total measurement accuracy, add temperature probe error.

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

Table 9. Thermocouple Temperature Accuracy Specifications (°C)
Type Range 1 year Tcal±5 °C Tempco (°Creading/°CDMM) Resolution
With Simulated Ref. Junction[14]14 Using simulated reference junction. With PXI-2527[15]15 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.
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 10. RTD Temperature Accuracy Specifications (°C)
Range 1 year Tcal[16]16 Using simulated reference junction. ±5 °C Tempco/°C Resolution
-200 to 600 0.17 0.011 0.01
Note RTD with RO = 100 Ω Pt3851 RTD in a 4-wire configuration, using lowest possible resistance range for each temperature.
Table 11. Thermistor Temperature Accuracy Specifications (°C)
Range 1 year Tcal[17]17 Using simulated reference junction. ±5 °C Tempco/°C Resolution
-80 to 150 0.08 0.002 0.01

General Specifications

Maximum common-mode voltage 300 VACrms or VDC
Measurement category II
Caution Do not connect the product to signals or use for measurements within Measurement Categories III or IV.

Current Ratings

Input protection

Current mode fuse

4.0 Amp, fused F 4 A H 300 V, fast-acting user-replaceable fuse

Resistance, diode

Up to 300 VDC

DC V, AC V

Up to 300 VDC, 300 VACrms, 450 VAC peak

Maximum continuous current

HI SENSE to LO

3 A

Calibration Interval

Calibration interval 1 year recommended

Warm-Up Time Characteristics

Warm-up time 30 minutes to rated accuracy

Trigger Characteristics

Table 12. 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
Table 13. 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 V 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 14. 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

Notice 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 °C to 55 °C
Relative humidity range 10% RH to 90% RH, noncondensing

Storage Environment

Ambient temperature range -40 °C to 70 °C
Relative humidity range 5% RH to 95% RH, noncondensing

Shock and Vibration

Operating vibration 5 Hz to 500 Hz, 0.3 g RMS
Non-operating vibration 5 Hz to 500 Hz, 2.4 g RMS
Operating shock 30 g peak, half-sine, 11 ms pulse

1 Relative to external calibration source. DMM must remain powered on.

2 With offset nulling.

3 Relative to external calibration source. DMM must remain powered on.

4 Add 650 ppm/A of reading for currents above 1.5 A.

5 Add 650 ppm/A of reading for currents above 1.5 A.

6 Add 650 ppm/A of reading for currents above 1.5 A.

7 Highest nominal voltage present with highest range resistance applied.

8 Nominal voltage present at output with no resistance load.

9 Relative to external calibration source. DMM must remain powered on.

10 2-wire resistance measurement only.

11 2-wire resistance measurement only.

12 Use the 1 Year specification to calibrate on a 90-day cycle.

13 Use the 1 Year specification to calibrate on a 90-day cycle.

14 Using simulated reference junction.

15 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.

16 Using simulated reference junction.

17 Using simulated reference junction.