NI PXI/PCI-4070 Specifications 6½ Digit FlexDMM™ and 1.8 MS/s Isolated Digitizer For the most current specifications, visit ni.com/instruments. Note All specifications in this document are subject to change without notice. DC Specifications Digits Max Sample Rate1 Bits Reading Rate2 7 23 5 S/s 5 S/s 6½ 22 100 S/s 100 S/s 5½ 18 5 kS/s 3 kS/s 4½ 15 20 kS/s 10 kS/s 3 10 1.8 MS/s N/A 1 2 Maximum sample rates refer to waveform acquisition. Autozero disabled, except 7 digits, measured on a 10 V and 10 kΩ range. DC Voltage Maximum Reading Rate 7½ 7 6½ Digits 6 5½ 5 4½ 4 3½ 1 10 100 Reading Rate 1k R di 10 k / 100 k 1M Sample Rate 10 M DC System Speeds Range or function change .......................100/s Autorange time, DC V and DC I ............5 ms Autorange time, resistance .....................50 ms Trigger latency........................................2 µs Maximum trigger rate .............................6 kHz DC Accuracy Specifications Note All DC accuracy specifications apply to 6½ digit resolution (≥1 PLC), autozero and ADC calibration enabled. DC Voltage ± (ppm1 of reading + ppm of range) Tempco/°C (0 °C to 50 °C) Range Resolution Input Resistance 24 Hr2 Tcal ± 1 °C 90 Day3 Tcal ± 5 °C 2 Year3 Tcal ± 5 °C Without Self-Cal With Self-Cal 100 mV* 100 nV >10 GΩ, 10 MΩ 10 + 10 30 + 20 40 + 20 4+5 0.3 + 0.3 1V 1 µV >10 GΩ, 10 MΩ 6+2 20 + 6 25 + 6 2+1 0.3 + 0.3 10 V 10 µV >10 GΩ, 10 MΩ 4+2 20 + 6 25 + 6 1+1 0.3 + 0.3 100 V 100 µV 10 MΩ 6 + 2† 30 + 6 35 + 6 4+1 0.3 + 0.3 300 V 1 mV 10 MΩ 6 + 6‡ 30 + 20 35 + 20 4+3 0.3 + 0.3 1 1 ppm (part per million) = 0.0001%. Relative to external calibration source. 3 Using internal self-calibration; specifications valid over the entire operating temperature range. ∗ With offset nulling and 100 ms aperture. † 8 + 4 on the NI PCI-4070 2 ‡8 + 8 on the NI PCI-4070 Tcal = temperature at which last self-calibration or external calibration was performed. Tempco = temperature coefficient. NI PXI/PCI-4070 Specifications 2 ni.com DC Current1 ± (ppm of reading + ppm of range) Resolution Burden Voltage (typical) Noise (ppm of range rms) 2 Year (0 °C to 50 °C) 20 mA 10 nA <20 mV 20 400 + 75 8+1 200 mA 100 nA <200 mV 3 400 + 20 8 + 0.2 1A 1 µA <800 mV 3 500 + 20 8 + 0.4 Range 1 Tempco/°C (0 °C to 50 °C) Typical 24 hour accuracy (23 °C ± 1 °C) is ± (50 ppm of reading + 5 ppm of range). Resistance (4-Wire and 2-Wire1) ± (ppm of reading + ppm of range) Tempco/°C (0 °C to 50 °C) Range Resolution Test Current2 Max Test Voltage 24 Hr3 Tcal ± 1 °C 90 Day4 Tcal ± 5 °C 2 Year4 Tcal ± 5 °C Without Self-Cal With Self-Cal 100 Ω † 100 µΩ 1 mA 100 mV 15 + 10 50 + 10 80 + 10 8+1 0.8 + 1 1 kΩ † 1 mΩ 1 mA 1V 12 + 2 50 + 3 80 + 3 8 + 0.1 0.8 + 0.1 10 kΩ † 10 mΩ 100 µA 1V 12 + 2 50 + 3 80 + 3 8 + 0.1 0.8 + 0.1 100 kΩ 100 mΩ 10 µA 1V 15 + 2 50 + 6 80 + 6 8 + 0.5 0.8 + 0.5 1 MΩ 1Ω 10 µA 10 V 20 + 2 60 + 10 90 + 10 8+1 0.8 + 1 10 MΩ 10 Ω 1 µA 10 V 100 + 2 200 + 10 400 + 10 30 + 3 30 + 3 100 MΩ ‡ 100 Ω 1 µA||10 MΩ 10 V 900 + 20 1,800 + 40 2,000 + 40 200 + 10 200 + 10 1 Perform offset nulling or add 200 mΩ to reading. –10% to 0% tolerance. 3 Relative to external calibration source. 4 Using internal self-calibration; specifications valid over the entire operating temperature range. † With offset compensated ohms enabled. ‡ 2-wire resistance measurement only. Typical accuracy is 5% between 105 MΩ and 1.05 GΩ . Use tempco outside 18 °C to 28 °C. Tcal = temperature at which last self-calibration or external calibration was performed. 2 Diode Test1 Range 10 V Resolution 10 µV Test Current2 1 µA, 10 µA, 100 µA, 1 mA† Accuracy 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. –10% to 0% tolerance. † Up to 4.5 V measurement for 1 mA test current. 2 © National Instruments Corporation 3 NI PXI/PCI-4070 Specifications Additional Noise Errors for DC Voltage, Current, Resistance Resolution Additional Noise Error 5½ digits 10 ppm of range 4½ digits 100 ppm of range 3½ digits 1,000 ppm of range DC Functions General Specifications 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 ...............................................105% 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† All noise sources >46 Hz 50 (60) >60 dB‡ 50 (60) Hz ± 0.1% † ‡ With high-order DC noise rejection;100 ms aperture. With normal DC noise rejection; 20 ms (16.67 ms) aperture. AC Specifications Note All AC speed specifications apply with autozero disabled. Digits NI PXI/PCI-4070 Specifications 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 S/s 400 Hz to 300 kHz 5½ 1 kS/s 20 kHz to 300 kHz 4 ni.com AC System Speeds Range or function change ...................... 10/s Autorange time, AC V and AC I............ 250 ms Trigger latency ....................................... 2 µs Maximum trigger rate ............................ 1 kHz AC Accuracy Specifications Note All AC accuracy specifications apply to 6½ digit resolution, signal amplitudes greater than 1% of range, and autozero enabled. AC Voltage1 2 Year ± (% of reading + % of range), 23 °C ± 5 °C Range (rms) Peak Voltage 50 mV† ±105 mV 100 nV 500 mV ±1.05 V 1 µV 5V ±10.5 V 10 µV 50 V ±105 V 100 µV 300 V ±450 V 1 mV Resolution 1 Hz to 40 Hz2 Tempco/°C (0 °C to 50 °C) 40 Hz to 20 kHz 20 kHz to 50 kHz 50 kHz to 100 kHz 100 kHz to 300 kHz 0.1 + 0.04 0.05 + 0.04 0.09 + 0.04 0.5 + 0.08 3 + 0.1 0.1 + 0.01 0.05 + 0.02 0.09 + 0.02 0.5 + 0.02 3 + 0.05 0.001 + 0.001 0.001 + 0.001 0.001 + 0.001 0.001 + 0.001 0.01 + 0.01 1 After self-calibration. Measurement aperture greater than 4/f , where f is the lowest frequency component of the signal L L being measured. 2 Specification applies for DC coupling. † Applies to signals >2 mV. AC Current1 2 Year ± (% of reading + % of range), 0 °C to 50 °C Range (rms) Peak Current Burden Voltage (rms) Resolution 1 Hz to 20 kHz2 Tempco/°C (0 °C to 50 °C) 10 mA† ±20 mA 10 nA <10 mV 0.04 + 0.02 0.001 + 0.0001 100 mA ±200 mA 100 nA <100 mV 0.04 + 0.02 0.001 + 0.0001 1A ±2 A 1 µA <800 mV 0.1 + 0.02 0.001 + 0.0001 1 Measurement aperture greater than 4/fL, where fL is the lowest frequency component of the signal being measured. Specification is typical for the 5 kHz to 20 kHz frequency range. † Applies to signals >200 µA. 2 There is no degradation in accuracy 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 10, use the 5 V range. Note © National Instruments Corporation 5 NI PXI/PCI-4070 Specifications AC Functions General Specifications Input impedance .....................................1 MΩ in parallel with 150 pF Input coupling.........................................AC or DC coupling Maximum Volt-Hertz product ................>8 × 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 on 300 V and 1 A ranges Frequency and Period1 Input Range 50 mV to 300 V 1 2 Frequency Range 1 Hz to 500 kHz Period Range 1 s to 2 µs Resolution 6½ digits 2 Year Accuracy2 0 °C to 50 °C ±% of reading 0.01 2 second gate time; input signal must be >10% of AC voltage input range. 0.0025% of reading typical. Isolated Digitizer Specifications Acquisition System 1.8 MS/s Available sample rates............................ ---------------------- , n where n = 1, 2, 3,…1.8 × 105 Variable resolution .................................10 bits 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.........................................20 mA to 1 A Maximum record duration ......................140 s Timebase accuracy..................................25 ppm NI PXI/PCI-4070 Specifications 6 ni.com Trigger Latency............................................ 1.8 µs Jitter ................................................ <600 ns Digitizer Maximum Sampling Rate 24 22 20 Bits 18 16 14 12 10 8 10 100 1k 10 k Samples/s 100 k 1M 10 M Isolated Digitizer Accuracy Specifications Note All digitizer accuracy specifications apply to autozero enabled, DC coupling, after self-calibration, and 1.8 MS/s sampling rate. Voltage ± (ppm of reading + ppm of range) Flatness Error2 20 kHz Bandwidth2, 3 (–3 dB) THD2 1 kHz signal, –1 dBfs THD2 20 kHz signal, –1 dBfs Tempco/°C (0 °C to 50 °C) Input Impedance1 2 Year Tcal ± 5 °C 100 mV† >10 GΩ 1 MΩ 45 + 30 –0.03 dB 300 kHz –104 dB –78 dB 4+6 1V >10 GΩ 1 MΩ 35 + 6 –0.03 dB 300 kHz –109 dB –83 dB 3+1 10 V >10 GΩ 1 MΩ 30 + 6 –0.03 dB 300 kHz –96 dB –70 dB 3+1 100 V 1 MΩ 45 + 6 –0.03 dB 300 kHz –96 dB –70 dB 7+1 300 V 1 MΩ 45 + 30 –0.03 dB 300 kHz –98 dB –72 dB 7+3 Range 1 In parallel with 120 pF. Typical specification. 3 The AC coupling low frequency (–3 dB) point is 0.8 Hz. † With offset nulling. Tcal = temperature at which last self-calibration or external calibration was performed. 2 © National Instruments Corporation 7 NI PXI/PCI-4070 Specifications Current ± (ppm of reading + ppm of range) Range Resolution Burden Voltage (typical) 2 Year (0 °C to 50 °C) Flatness Error1 20 kHz Bandwidth1 (–3 dB) Tempco/°C (0 °C to 50 °C) 20 mA 10 nA <20 mV 400 + 75 ±0.01 dB 430 kHz 8+1 200 mA 100 nA <200 mV 400 + 20 ±0.01 dB 430 kHz 8 + 0.2 1A 1 µA <800 mV 500 + 20 ±0.01 dB 400 kHz 8 + 0.4 1 Typical specification. General Specifications Self-calibration .......................................Calibrates the FlexDMM relative to high-precision internal voltage and resistance standards. No external calibration equipment required. Input protection Resistance, diode .............................Up to 300 V DC DC V, AC V ....................................Up to 300 V DC, 300 V ACrms, 450 V AC peak DC I and AC I..................................1.25 A, 250 V fast-acting user replaceable fuse Maximum common-mode voltage..........300 V Input terminals ........................................Gold-plated low-thermal EMF solid copper Measurement complete trigger pulse width..............................................3 µs Input trigger pulse width.........................1 µs, with <2 m cable External calibration interval ...................2 year recommended Power consumption NI PXI-4070 ....................................<12 W from PXI backplane NI PCI-4070 ....................................<12 W from PCI slot NI PXI/PCI-4070 Specifications 8 ni.com Operating environment NI PXI-4070 ................................... 0 °C to 55 °C, up to 80% RH at 35 °C NI PCI-4070.................................... 0 °C to 40 °C, up to 80% RH at 35 °C Storage environment .............................. –40 °C to 70 °C Warm-up ................................................ 1 hour to rated accuracy Dimensions, weight NI PXI-4070 ................................... 10 cm × 16 cm (3.9 in. × 6.33 in.), 340 g (12 oz) NI PCI-4070.................................... 12.6 cm × 35.2 cm (4.95 in. × 13.86 in.), 570 g (20 oz) Installation Category .............................. II Pollution Degree .................................... 2 The AUX I/O connector and the interdevice connector on the NI PCI-4070 are not isolated. These connectors are not referenced to your measurement circuit, but they are referenced to the ground of your computer. The digital signals on these connectors should not operate beyond –0.5 to 5.5 V of your computer ground. The trigger signals are TTL-compatible. Caution Safety The NI PXI/PCI-4070 meets the requirements of the following standards for safety and electrical equipment for measurement, control, and laboratory use: • IEC 61010-1, EN 61010-1 • UL 3111-1, UL 61010B-1 • CAN/CSA C22.2 No. 1010.1 Note For UL and other safety certifications, refer to the product label, or visit ni.com/hardref.nsf, search by model number or product line, and click the appropriate link in the Certification column. © National Instruments Corporation 9 NI PXI/PCI-4070 Specifications Electromagnetic Compatibility Emissions................................................EN 55011 Class A at 10 m FCC Part 15A above 1 GHz Immunity ................................................EN 61326:1997 + A2:2001, Table 1 EMC/EMI ...............................................CE, C-Tick, and FCC Part 15 (Class A) Compliant Note 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/hardref.nsf, search by model number or product line, and click the appropriate link in the Certification column. Note NI PXI/PCI-4070 Specifications 10 ni.com FlexDMM™, National Instruments™, NI™, and ni.com™ are trademarks of National Instruments Corporation. Product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments products, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your CD, or ni.com/patents. © 2002–2004 National Instruments Corp. All rights reserved. *323368F-01* 323368F-01 Jan04