6 1 2-Digit Digital Multimeter, 1.8 MS/s Isolated Digitizer, and LCR Meter

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1 NI PXI-4072 FlexDMM Superior accuracy and measurement rates Multifunction device digit digital multimeter 1.8 MS/s isolated digitizer LCR meter (inductance, capacitance, and resistance) 20 built-in measurements 10 to 23-bit flexible resolution Built-in self-calibration ±300 VDC/V rms isolation 420 V p AC measurements Calibration Gain, temperature, and offset self-calibration 2-year external calibration cycle Operating Systems Windows 2000/NT/XP Recommended Software LabVIEW LabVIEW Real-Time LabWindows/CVI Measurement Studio Driver Software (included) NI-DMM DMM Soft Front Panel Overview The National Instruments PXI-4072 FlexDMM, based on the NI 4070 architecture, combines the functionality found in three common test instruments digital multimeter, LCR meter, and digitizer. This functionality provides engineers with the 20 most common test functions in a compact 3U PXI module, including voltage, current, capacitance, inductance, temperature, and resistance. Integrating these measurements in a PXI module reduces test system size and cost, increases throughput, and shortens test development time, making it an excellent fit for use in automated tests on both the production floor and in an R&D environment. High-Speed Digital Multimeter Max Sampling Rate 1 Digits Resolution (bits) (DC Voltage and Current) Reading Rate S/s 5 S/s S/s 100 S/s ks/s 3 ks/s ks/s 10 ks/s MS/s 1 Maximum sample rate refers to waveform acquisition 2 Autozero disabled, except 7 digits, measured on a 10 V and 10 kω range Table 1. NI 4072 FlexDMM 1.8 MS/s Flexible-Resolution Isolated Digitizer Users can vary the resolution of the PXI-4072 from 10 to 23 bits by simply changing the sampling rate, as reflected in Figure 1. Analyze transients, fly-back signals, or other a periodic highvoltage AC waveforms in both the time and frequency domain. Precision Inductance and Capacitance Measurements Delivers 0.15% + 0.1% basic accuracy for both inductance and capacitance at measurement rates up to 40 S/s Ideal for component screening, cable capacitance testing, wafer level go/no-go, and automotive sensors Built-In Self-Calibration and 2-Year Calibration Cycle Self-calibration (Self-Cal) improves accuracy by removing errors due to temperature variation and long-term drift. Self-cal ensures accuracy over entire 0 55 C operating range 2-year external calibration cycle reduces downtime and maintenance costs Software Ships with NI-DMM driver software which is an IVI-compliant driver that provides access to the complete functionality of the DMM through an easy-to-use application programming interface. Includes the DMM Soft Front Panel for interactive control Digits 7 1 / / / / / k 10 k 100 k 1 M 10 M Sampling Rate (Digitizer) Figure 1. NI 4072 FlexDMMs Resolution Versus Sampling Rate Reading Rate (DMM)

2 Ordering Information NI PXI Includes the probe set, NI-DMM, DMM Soft Front Panel, and calibration certificate. Recommended Switching and Accessories PXI x1 multiplexer switch PXI x1 multiplexer switch Standard probe, P-1 probe set Additional probe, P-2 probe set Banana plug to bare wire, P-3 probe set A current shunt, CSM-10A Specifications Typical for 0 to 55 C unless otherwise noted. Specifications subject to change without notice. For the most current specifications, visit ni.com/instruments DC Functions Resolution Max Sampling Rate Digits (Bits) DC Voltage and Current Reading Rate S/s 5 S/s S/s 100 S/s ks/s 3 ks/s ks/s 10 ks/s MS/s 1Maximum sampling rates refer to waveform acquisition in digitizer mode 2 Autozero disabled, except 7 digits, measured on a 10 V and 10 kω range DC Voltage Maximum Reading Rate Digits 7 1 / / / / / k 10 k 100 k 1 M 10 M Sampling Rate (Digitizer) Reading Rate (DMM) DC System Speeds Range or function changes changes/s Autorange time, VDC and ADC... 5 ms Autorange time, resistance ms Trigger latency... 2 µs Maximum trigger rate... 6 khz DC Accuracy Specifications DC Voltage ± (ppm 1 of reading + ppm of range) Tempco/ C (0-55 C) Input 24 Hr 2 90 Day 3 2 Year 3 Without With Range Resolution Resistance Tcal ± 1 C Tcal ± 5 C Tcal ± 5 C Self-Cal Self-Cal 100 mv nv > 10 GΩ,10 MΩ V 1 µv > 10 GΩ,10 MΩ V 10 µv > 10 GΩ,10 MΩ V 100 µv 10 MΩ V 1 mv 10 MΩ ppm (part per million) = % 2 Relative to external calibration source 3 Using internal self-calibration; specifications valid over the entire operating temperature range 4 With offset nulling and 100 ms aperture T cal = temperature at which last self-calibration or external calibration was performed Tempco = temperature coefficient DC Current 1 ± (ppm of reading + ppm of range) Burden Voltage 2 Year Tempco/ C Range Resolution (Typical) Noise 2 (0-55 C) (0-55 C) 20 ma 10 na < 20 mv ma 100 na < 200 mv A 1 µa < 800 mv Typical 24 hour accuracy (23 C ±1 C) is ± (50 ppm of reading + 5 ppm of range) 2 In ppm of range rms Tempco = temperature coefficient Resistance (4-Wire and 2-Wire 1 ) ± (ppm of reading + ppm of range) Tempco/ C (0-55 C) Test Max Test 24 Hr 3 90 Day 4 2 Year 4 Without With Range Resolution Current 2 Voltage Tcal ±1 C Tcal ±5 C Tcal ± 5 C Self-Cal Self-Cal 100 Ω µω 1 ma 100 mv kω 1 mω 1 ma 1 V kω 10 mω 100 µa 1 V kω 100 mω 10 µa 1 V MΩ 1 Ω 10 µa 10 V MΩ 10 Ω 1 µa 10 V MΩ Ω 1µA 10 MΩ 10 V , , Perform offset nulling or add 200 mω to reading 2-10% to 0% tolerance 3 Relative to external calibration source 4 Using internal self-calibration; specifications valid over the entire operating temperature range 5 With offset compensated ohms enabled 6 2-wire ohms measurement only. Typical accuracy is 5% between 105 MΩ and 1.05 GΩ. Use tempco outside 18 C to 28 C T cal = temperature at which last self-calibration or external calibration was performed Tempco = temperature coefficient Diode Test 1 Range Resolution Test Current 2 Accuracy 10 V 10 µv 1 µa, 10 µa, 100 µa, 1 ma 3 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 2-10% to 0% tolerance 3 Up to 4.5 V measurement for 1 ma test current Additional Noise Errors for DC Voltage, Current, Resistance Resolution Additional Noise Error digits 10 ppm of range 5 digits 30 ppm of range digits 100 ppm of range DC Functions General 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 % 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 1 All noise sources >46 Hz 50 (60) >60 db 2 50 (60) Hz ± 0.1% 1 With high-order DC noise rejection, 100 ms aperture 2 With normal DC noise rejection; 20 ms (16.67 ms) aperture AC Functions Digits Reading Rate Bandwidth S/s 1 Hz to 300 khz S/s 10 Hz to 300 khz S/s 100 Hz to 300 khz S/s 400 Hz to 300 khz ks/s 20 khz to 300 khz AC System Speeds Range or function changes changes/s Autorange time, VAC and AAC ms Trigger latency... 2 µs Maximum trigger rate... 1 khz 2 National Instruments Tel: (800) Fax: (512) info@ni.com ni.com

3 AC Accuracy Specifications AC Voltage 1 2 Year ± (% of reading + % of range), 23 C ± 10 C Range Peak 1 Hz to 40 Hz to 20 khz to 50 khz to 100 khz to (rms) Voltage Resolution 40 Hz 2 20 khz 50 khz 100 khz 300 khz 50 mv 3 ±105 mv 100 nv mv ±1.05 V 1 µv 5 V ±10.5 V 10 µv V ±105 V 100 µv 300 V ±450 V 1 mv Tempco/ C (0 C-50 C) After self-calibration. Measurement aperture greater than 4/f L, where f L is the lowest frequency component of the signal being measured 2 Specification applies for DC coupling. 3 Applies to signals >2 mv. Tempco = temperature coefficient AC Current 1 2 Year ± (% of reading + % of range), 0-55 C Range Peak Burden Voltage Tempco/ C (rms) Current Resolution (rms) 1 Hz to 20 khz 2 (0-55 C) 10 ma 3 ±20 ma 10 na < 10 mv ma ±200 ma 100 na < 100 mv A ±2 A 1 µa < 800 mv Measurement aperture greater than 4/f L, where f L is the lowest frequency component of the signal being measured. 2Specification is typical for the 5 khz 20 khz frequency range. 3 Applies to signals > 200 µa. Tempco = temperature coefficient No degradation in accuracy due to crest factor for signals up to the rated peak voltage/current or bandwidth occurs. For high crest factor signals, increase range. For example, for a 500 mv rms signal with a crest factor between 2 and 10, use the 5 V range. AC Functions General Input impedance... 1 MΩ in parallel with 150 pf Input coupling... AC or DC coupling Maximum volt-hertz product... >8 x 10 7 V-Hz Maximum DC voltage component CMRR (1 kω resistance in LO lead)... >70 db (DC to 60 Hz) Overrange % of range except 300 V, 1 A range Frequency and Period 1 2 Year Accuracy 2 Input Range Frequency Range Period Range Resolution 0-55 C ±% of reading 50 mv to 300 V 1 Hz to 500 khz 1 s to 2 µs digits second gate time; input signal must be >10% of AC voltage input range % of reading typical Capacitance and Inductance Capacitance and Inductance System Speeds Range or function change... 10/s Capacitance Accuracy Specifications Capacitance ± (% of reading + % of range), 23 C ± 10 C Tempco/ C Effective Effective Default Range Resolution 2 Year 1 (0-55 C) Test Current 2 Frequency 2 Model 300 pf 0.05 pf na 3 khz Parallel 1 nf 0.1 pf na 3 khz Parallel 10 nf 1 pf na 3 khz Parallel 100 nf 10 pf µa 3 khz Parallel 1 µf 100 pf µa 1 khz Series 10 µf 1 nf ma 1 khz Series 100 µf 10 nf ma 91 Hz Series 1,000 µf 100 nf ma 91 Hz Series 10,000 µf 1 µf ma 91 Hz Series 1Relative to external calibration source. After lead compensation with >3 meters of coaxial or shielded twisted-pair cabling. Specifications apply to >5% of range and <110% of range, except the 300 pf range which measures down to 0.05 pf. 2 Correlated to single-tone test method. Inductance Accuracy Specifications Inductance ± (% of reading + % of range), 23 C ± 10 C Tempco/ C Effective Effective Default Range Resolution 2 Year 1 (0-55 C) Test Current 2 Frequency 2 Model 10 µf 1 nh µa 30 khz Series 100 nf 10 nh µa 30 khz Series 1 mh 100 nh µa 3 khz Series 10 mh 1 µf µa 3 khz Series 100 mf 10 µf µa 273 Hz Series 1 H 100 µf µa 273 Hz Series 5 H 1 mh na 273 Hz Series 1Relative to external calibration source. After lead compensation with <3 meters of coaxial or shielded twisted-pair cabling. Specifications apply to <110% of range. 2 Correlated to single-tone test method. Capacitance and Inductance General Specifications Mode Ranges Reading Rate Capacitance 300 pf, 1 nf, 10 nf, 100 nf, 1 µf, 10 µf 20 S/s 100 µf, 1000 µf, 10,000 µf 3 S/s Inductance 10 µh, 100 µh 40 S/s 1 mh, 10 mh 20 S/s 100 mh, 1 H, 5 H 3 S/s Capacitance underrange... 5% of range Inductance overrange % of range Lead compensation... OPEN/SHORT Excitation technique 1... Multi-tone, constant current Measurement technique 1... Measures fundamental and third harmonic of voltage waveform, and calculates inductance or capacitance using FFT peak analysis Measurement configuration... 2-wire with lead compensation DC bias (capacitance only) V from H1 to 2.0, user selectable (off by default) 1 Patents pending Isolated Digitizer Acquisition System Sampling rate and record duration Available sample rates... r = 1.8 MS/s y where y=1, 2, 3, 1.8 x 10 5 Minimum record duration µs Maximum record duration s Record duration... n/r, where n = number of samples, r = sampling rate Variable resolution 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 ma to 1 A Timebase accuracy ppm Input Trigger Latency µs Jitter... <600 ns Digitizer Maximum Sampling Rate Bits k 10 k 100 k 1 M 10 M Samples/s Isolated Digitizer Accuracy Specifications Voltage ± (ppm 1 of reading + ppm of range) Flatness THD 2 THD 2 Input 2 Year Error 2 Bandwidth 2,3 1 khz Signal, 20 khz Signal, Tempco/ C Range Impedance 1 Tcal ± 5 C 20 khz (-3 db) -1 dbfs -1 dbfs (0-55 C) 100 mv 4 >10 GΩ,1 MΩ db 300 khz -104 db -78 db V >10 GΩ,1 MΩ db 300 khz -109 db -83 db V >10 GΩ,1 MΩ db 300 khz -96 db -70 db V 1 MΩ db 300 khz -96 db -70 db V 1 MΩ db 300 khz -98 db -72 db Parallel with 150 pf. 2 Typical specification. 3 The AC coupling low frequency (-3 db) point is 0.8 Hz. 4 With offset nulling. T cal = temperature at which last self-calibration or external calibration was performed. Tempco = temperature coefficient., National Instruments Tel: (800) Fax: (512) info@ni.com ni.com 3

4 Specifications Current ± (ppm of reading + ppm of range) Burden Voltage 2 Year Flatness Bandwidth 1 Tempco/ C Range Resolution (Typical) (0-55 C) Error 1 20 khz (-3 db) (0-55 C) 20 ma 10 na < 20 mv ±0.01 db 430 khz ma 100 na < 200 mv ±0.01 db 430 khz A 1 µa < 800 mv ±0.01 db 400 khz Typical specification. Tempco = temperature coefficient. General 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 Input protection Resistance, diode... Up to 300 V DC DC V, AC V... Up to 300 V DC, 300 V AC rms,450 V AC peak DC I and AC I A, 250 V fast-acting user replaceable fuse Maximum common-mode voltage V Input terminals... Gold-plated low-thermal EMF solid copper Triggers Measurement complete trigger pulse width... 3 µs Input trigger pulse width... 1 µs, with <2 m cable Refer to the Isolated Digitizer section for additional digitizer specifications. Trigger Voltage Levels Trigger Voltage High Low V in 2.4 V min 0.4 V max V out 2.0 V min 0.8 V max Trigger Voltage Level Absolute Maximums Trigger Voltage High Low V in 5.5 V -0.5 V Triggers are LVTTL/TTL compatible. Power consumption PXI devices... PCI devices... <12 W from PXI backplane <12 W from PCI slot Operating Environment Temperature PXI... 0 to 55 C PCI... 0 to 40 C Relative humidity... up to 80% at 35 C Warm-up... 1 hour to rated accuracy Storage Environment Temperature to 70 C Dimensions PXI devices cm x 16 cm (3.9 in. x 6.33 in.) PCI devices cm x 35.2 cm (4.95 in. x in.) Weight PXI devices g (12 oz) PCI devices g (20 oz) Installation Category... II Pollution Degree... 2 Safety The NI PXI-4072 devices meet the requirements of the following standards for safety and electrical equipment for measurement, control, and laboratory use: IEC , EN UL CAN/CSA C22.2 No Note For UL and other safety certifications, refer to the product label, or visit ni.com/certification, search by model number or product line, and click the appropriate link in the Certification column. Electromagnetic Compatibility Emissions... EN Class A at 10 m FCC Part 15A above 1 GHz Immunity... EN 61326: A2:2001, Table 1 EMC/EMI... CE, C-Tick, and FCC Part 15 (Class A) Compliant 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/certification, search by model number or product line, and click the appropriate link in the Certification column. 4 National Instruments Tel: (800) Fax: (512) info@ni.com ni.com

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