DEVICE SPECIFICATIONS NI VB-8012 NI VirtualBench™ All-In-One Instrument These specifications are for the National Instruments VirtualBench VB-8012 only. These specifications are valid following 30 minutes of warmup and are typical at 25 °C, unless otherwise noted. For feature differences between the VirtualBench application for Windows and iPad, go to ni.com/info and enter vbfeatures.
Table 1.
Horizontal System Timing mode sample rate3 1 GS/s (down to ~15 kS/s) Maximum external sample clock rate 100 MHz Record length Typical 1 MS Minimum4 4 kS Decimation External Sample Clock, 1:1, 2:1, and n*4:1 where n is an integer Maximum sample compression 215 to 1 Triggering Trigger modes Normal, Auto, Force, Single5 Trigger sources Oscilloscope analog channels, oscilloscope digital channels, function generator start, digital I/O lines, external trigger (TRIG), power line frequency Trigger t
Waveform Measurements Oscilloscope time7 Period, frequency, positive duty cycle, negative duty cycle, positive pulse width, negative pulse width, rise time, fall time, rise rate, fall rate Oscilloscope voltage7 High, low, amplitude, maximum, minimum, peak-to-peak, overshoot, undershoot, RMS, mean, cycle RMS, cycle mean Logic analyzer time7 Period, frequency, positive duty cycle, negative duty cycle, positive pulse width, negative pulse width Waveform Math Operations8 A + B, A - B, A * B, A/B, FFT Fu
Square Maximum frequency 5 MHz Rise/fall time <20 ns (10% to 90%) Overshoot <5% Jitter 8 ns cycle-to-cycle Ramp/triangle maximum frequency 1 MHz Accuracy (with >10 kΩ load) Amplitude (1 kHz sine) ±(1% of output value ± 5 mV) DC ±(1% of output value ± 5 mV) Output range 50 Ω ±6 V Hi-Z (>10 kΩ) ±12 V DC offset 50 Ω ±6 V Hi-Z (>10 kΩ) ±12 V Note The combination of signal amplitude and DC offset cannot exceed the output range specifications.
Digital I/O Number of channels 8 Direction control Input or output, software-selectable Logic level 5 V compatible TTL input, 3.3 V LVTTL output Drive strength 4 mA Input voltage 0 V to 5 V Note Digital I/O lines are designed to withstand accidental overvoltage from signals on the VB-8012 or similar devices. They are not recommended for use with signals likely to exceed 0 V to 5 V in normal operation. DIO channel pull resistors 10 kΩ, pull-down on dig/<0..7>, 10 kΩ, configurable pull-up to 3.
DC and AC current DMM A current connector fuse Internal ceramic fuse, 10 A 250 V, time-delay, 5 × 20 mm, T 10A H 250V (Bussmann part number S505H-10-R at www.cooperindustries.com) DMM mA current connector fuse Internal ceramic fuse, 1.25 A 250 V, time-delay, 5 × 20 mm, T 1.25A H 250V (Bussmann part number S505H-1.25-R at www.cooperindustries.com) Caution Fuses are located on bottom of device underneath door. Use Phillips #1 screwdriver for removal.
Table 3. DC Current Accuracy Burden Voltage 1-Year Accuracy13 ± (% of Reading + % of Range) Temperature Coefficient13 ± (% of Reading + % of Range)/°C 10 mA <0.03 V 0.070 + 0.020 0.0035 + 0.0010 100 mA <0.3 V 0.070 + 0.003 0.0020 + 0.0010 1A <0.03 V 0.130 + 0.025 0.0065 + 0.0010 10 A* <0.3 V 0.130 + 0.004 0.0045 + 0.0010 Range * 30 seconds on, 30 seconds off. Add 300 ppm/A for currents >2.2 A. After measuring >5 A, wait two minutes to get full accuracy in the 1 A range. Table 4.
Effective Common-Mode Rejection Ratio (CMRR), 1 kΩ resistance in LO lead >100 dB Normal-Mode Rejection Ratio (NMRR), 50/60 Hz ±0.1% >100 dB Overrange 105% of range except 300 V AC Table 5. AC Voltage Accuracy Range (rms) 100 mV, 1 V, 10 V, 100 V, 265 V 1-Year Temperature Accuracy15 ± Coefficient15 ± (% (% of Reading of Reading + % of + % of Range) Range)/°C Peak Voltage Frequency ±210 mV, ±2.1 V, ±21 V, ±210 V, ±400 V 20 Hz to 45 Hz 0.91 + 0.10 0.01 + 0.005 45 Hz to 65 Hz 0.30 + 0.05 0.
Table 6. AC Current Accuracy (Continued) Range (rms) 5A Peak Current Burden Voltage (rms) ±10.5 A <0.2 V Frequency 1-Year Accuracy15 ± (% of Reading + % of Range) Temperature Coefficient15 ± (% of Reading + % of Range)/°C 20 Hz to 1 kHz 0.25 + 0.03 0.01 + 0.005 1 kHz to 5 kHz 0.60 + 0.03 Caution The input terminals of the DMM are not protected for electromagnetic interference.
Table 7. DC Accuracy/Resolution (Continued) Output Type +6 V +25 V -25 V Readback accuracy16,18 ± (% of reading + offset) Voltage 0.1% + 5 mV 0.1% + 20 mV 0.1% + 20 mV Current 0.2% + 10 mA 0.15% + 4 mA 0.15% + 4 mA Programming resolution Voltage 1.7 mV 6.5 mV 6.5 mV Current 0.30 mA 0.15 mA 0.15 mA Voltage 0.41 mV 1.7 mV 1.7 mV Current 70 µA 35 µA 35 µA Voltage 0.01% + 25 mV 0.03% + 5 mV 0.
Wireless Interface Table 8. Network Protocols and Ports Used Port Protocol Function Port 80/TCP HTTP Device configuration (web, MAX) Port 443/TCP HTTP Device configuration (web, MAX) Port 3580/TCP Service locator Device configuration (web, MAX) Port 9090/TCP Configuration only VirtualBench instrument protocol Port 5353/UDP Multicast DNS Device discovery Network IP configuration IPv4, DHCP Client/Server Radio mode IEEE 802.
Power input connector IEC C13 power connector Power disconnect The AC power cable provides main power disconnect. Do not position the equipment so that it is difficult to disconnect the power cable. Depressing the front panel power button does not inhibit the internal power supply.
Digital I/O Type Pluggable screw terminal, 3.5 mm (14 position) Screw terminal wiring 0.1 to 2.0 mm2 (30 to 14 AWG) Torque 0.25 N · m (2.2 lb · in.) Digital multimeter 4 mm banana jacks DC power supply Type Pluggable screw terminal, 3.81 mm (6 position) Screw terminal wiring 0.1 to 2.0 mm2 (30 to 14 AWG) Torque 0.25 N · m (2.2 lb · in.) Security cable slot 1, complies with Kensington security slot dimensions If you need to clean the device, wipe it with a dry towel.
DC Power Supply Isolation Voltages +25 V and -25 V-to-earth ground, continuous 60 VDC, Measurement Category I Note Measurement Categories CAT I and CAT O are equivalent. These test and measurement circuits are not intended for direct connection to the MAINS building installations of Measurement Categories CAT II, CAT III, or CAT IV.
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 61010-1 Note For UL and other safety certifications, refer to the product label or the Online Product Certification section.
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