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The Agilent U1600A Series is a family of handheld digital oscilloscopes built around a three-in-one design: a dual-channel oscilloscope, a true RMS digital multimeter, and a real-time data logger combined in a single portable instrument. The series consists of two models — the U1602A with 20 MHz bandwidth and the U1604A with 40 MHz bandwidth — each offering a real-time sampling rate up to 200 MSa/s and a 4.5-inch color LCD that clearly distinguishes waveforms between two channels.
Positioned as a high-performance troubleshooting and quality-assurance tool for technical professionals, the U1600A Series targets the installation, maintenance, service, and automotive industries. Its handheld form factor and combined scope-plus-meter capability suit work in demanding industrial environments where capturing signal deviations, glitches, and dropouts quickly matters. The Dual Waveform Math function supports signal addition and subtraction across channels for quick analysis in the time domain, with Fast Fourier Transform analysis available on the 40 MHz model for frequency-domain work.
ValueTronics stocks and holds its own inventory in a 20,000-square-foot secure warehouse at 1675 Cambridge Drive in Elgin, Illinois, giving buyers a single accountable source for both new and pre-owned test instruments. Every used unit is inspected and functionally verified in-house before it ships, while new units leave factory-sealed exactly as received from the manufacturer. Holding stock on our own shelves means faster fulfillment and direct visibility into the equipment we sell.
This instrument carries Agilent Technologies branding. Agilent Technologies was spun off from Hewlett-Packard in 1999, and Agilent's electronic measurement business was later established as Keysight Technologies in 2014. Instruments from this period are commonly encountered under any of these names depending on their production date.
The U1600A Series comprises two handheld digital oscilloscope models that share a common three-in-one architecture — oscilloscope, true RMS DMM, and real-time data logger — and differ primarily in bandwidth. The U1602A is the 20 MHz model and the U1604A is the 40 MHz model, with each delivering real-time sampling up to 200 MSa/s and 125 kilobytes of memory per channel.
Both models share the same 4.5-inch color display, 6000-count DMM with 11 measurement functions, advanced triggering set, and USB 2.0 connectivity. The choice between them centers on bandwidth and the additional frequency-domain analysis the higher-bandwidth model provides.
Each model below is its own dedicated product page with condition-matched pricing. Compare the bandwidth tiers, then select the pre-owned unit that fits your application and budget.
The U1604A is the 40 MHz model in the series and is the only model equipped with the Fast Fourier Transform function, which displays waveforms in the frequency domain using four windowing techniques (Rectangular, Hanning, Hamming, and Blackman-Harris). It also provides an equivalent-time sampling rate of 2.5 GSa/s and a finer horizontal resolution of 400 ps.
Across the series, the defining difference is bandwidth: the U1602A is specified at DC to 20 MHz, while the U1604A reaches DC to 40 MHz. This is reflected in rise time — under 17.5 ns on the U1602A versus under 8.8 ns on the U1604A — and in single-shot bandwidth of 20 MHz and 40 MHz respectively.
The U1604A additionally offers the FFT frequency-domain analysis function, a 2.5 GSa/s equivalent sampling rate, and a finer timebase resolution (400 ps versus 2 ns) with a horizontal range starting at 10 ns/div rather than 50 ns/div. Both models otherwise share the same 200 MSa/s real-time sampling, 125 kB/channel memory, DMM, and data-logging capabilities. See the comparison table for the full model-by-model breakdown.
| Model | Bandwidth | Rise Time | Timebase Resolution |
|---|---|---|---|
| U1604A | 40 MHz | < 8.8 ns | 400 ps |
| U1602A | 20 MHz | < 17.5 ns | 2 ns |
Additional differences in specifications beyond the few shown above are not listed here — see each model's full specifications below.
| Specification | Value |
|---|---|
| Vertical System: Scope Channels | |
| Analog channels | Channel 1 and Channel 2 simultaneous acquisition |
| Bandwidth (–3 dB) | DC to 40 MHz |
| AC coupled | < 10 Hz without probe; < 1 Hz with 10 MΩ 10:1 probe |
| Rise time | < 8.8 ns |
| Single shot bandwidth | 40 MHz |
| Vertical sensitivity | 5 mV/div to 100 V/div (1:1 scope probe); 50 mV/div to 1 kV/div (10:1 scope probe); 500 mV/div to 10 kV/div (100:1 scope probe) |
| Maximum input | CAT III 300 Vrms (up to 400 Hz) from terminal to ground |
| Offset/Dynamic range | ± 5 div |
| Input impedance | 1 MΩ || < 20 pF |
| Coupling | AC, DC, GND |
| DC vertical gain accuracy | 5 mV/div to 20 mV/div: ± 5% full scale; 50 mV/div to 100 V/div: ± 3% full scale |
| Noise peak-to-peak | 3% of full scale or 5 mV, whichever is greater |
| DC vertical offset accuracy | ±0.1 div ±2 mV ±0.5% offset value |
| Single cursor accuracy | 4% full scale |
| Dual cursor accuracy | 4% full scale |
| Probes | |
| Probes | U1560-60001: 1:1 passive probe; U1561-60001: 10:1 passive probe; U1562-60001: 100:1 passive probe |
| Probe attenuation factors | 1x, 10x, 100x |
| Coupling | 3 Vp-p, ~ 1 kHz |
| Maximum probe input | 1x CAT III 300 VAC; 10x, 100x CAT III 600 VAC |
| Acquisition: Scope Channels | |
| Maximum sample rate | 200 MSa/s interleaved, 100 MSa/s each channel (50 s/div to 250 ns/div) |
| Equivalent sample rate | 2.5 GSa/s (125 ns/div to 10 ns/div) |
| Vertical resolution | 8 bits |
| Maximum memory depth | 125 kilobytes/channel |
| Peak detection | 5 ns |
| Average | Selectable in average number of 2, 4, 8, 16, 32, 64, 128, 256 |
| Horizontal System | |
| Range | 10 ns to 50 s/div |
| Resolution | 400 ps |
| Reference position | Left, center, right |
| Delay range (pre-trigger) | 15 divisions |
| Delay range (post-trigger) | 1000 divisions |
| Analog Δt accuracy | ± 3% reading ± 0.4% screen |
| Modes | Main, XY, Roll |
| RMS Jitter | 5% of horizontal scale or 5 ns whichever is higher |
| Trigger System | |
| Source | Channel 1 and Channel 2 |
| Modes | Auto, normal, single |
| Selections | Edge, pulse width, pattern, video |
| Edge | Trigger on a rising or falling edge of any source. |
| Pattern | Trigger at the beginning of a pattern of high, low levels and rising or falling edge established conditions of AND, OR, NOR and NAND between the channels. |
| Pulse width | 200 ns to 10 s. Trigger when a positive or negative pulse width of any source larger than, less than, equal to or not equal to duration. |
| Video | Video trigger sensitivity: 0.7 division trigger level. Available to both Channel 1 and Channel 2. Analog progressive and interlaced video standards including NTSC, PAL and SECAM. Positive or negative sync pulse polarity. Modes — all fields, even fields, odd fields or line 5 – 263 within a field. |
| Range | ± 4 divisions from center screen |
| Level accuracy | ± 0.5 divisions |
| Trigger sensitivity | DC to 5 MHz: 0.8 divisions; 5 MHz to 40 MHz: 1 division |
| Coupling | DC, AC (< 1 Hz), HF reject (> 50 kHz), LF reject (< 30 kHz), Noise reject |
| Measurement System | |
| Autoscale | Finds and displays all active scope channels, sets edge trigger mode on highest numbered channel, sets vertical sensitivity on scope channel. Requires voltage > 20 mVp-p, 0.5% duty cycle and frequency > 100 Hz. |
| Automatic measurement | Measurements continuously updated. |
| Voltage | Peak-to-peak, maximum, minimum, amplitude, top, base, +overshoot, –overshoot, preshoot, RMS, mean and one cycle mean. |
| Time | Frequency, period, +width, –width and +duty cycle and –duty cycle on any channel. Rise time, fall time, delay and phase shift. |
| Cursors | Manually place readout of horizontal (X, DX) and vertical (Y, DY). |
| Waveform math | CH1 + CH2, CH1 – CH2, CH2 – CH1 |
| FFT (U1604A only) | |
| Window | Rectangular, Hamming, Hanning, Blackman-Harris |
| Amplitude Display | Selectable in amplitude display of 1 dB, 2 dB, 5 dB, 10 dB |
| Digital Multimeter Specifications ± (% of reading + % of range) | |
| DC Voltage 600.0 mV | 0.3 + 0.08 |
| DC Voltage 6.000 V | 0.3 + 0.08 |
| DC Voltage 60.00 V | 0.3 + 0.08 |
| DC Voltage 600.0 V | 0.3 + 0.08 |
| AC Voltage 600.0 mV – 600.0 V (50 Hz – 1 kHz) | 1.0 + 0.2 |
| AC Voltage 600.0 mV – 600.0 V (1 kHz – 30 kHz) | 3.0 + 0.2 |
| AC + DC Voltage 6.0000 V – 600.0 V (50 Hz – 1 kHz) | 1.0 + 0.2 |
| AC + DC Voltage 6.0000 V – 600.0 V (1 kHz – 30 kHz) | 3.0 + 0.2 |
| Resistance 600.0 Ω | 0.5 + 0.2 |
| Resistance 6.000 kΩ | 0.5 + 0.2 |
| Resistance 60.00 kΩ | 0.5 + 0.2 |
Important: Maximum scope input: CAT III 300 Vrms (up to 400 Hz) from terminal to ground. DMM maximum input: 600 Vrms CAT II, 300 Vrms CAT III.
Important: This instrument is rated for indoor use only (Pollution degree 2).
Important: The optional USB flash drive can only be connected via the USB host port, which is option #001 (the standard configuration provides only the USB 2.0 full speed client port).
Important: FFT (Fast Fourier Transform) function is only available on the U1604A model; the U1602A provides Dual Waveform Math only.
Recommended pairing: add the Agilent U1562A 100:1 scope probe (CAT III 600 V) for higher-voltage measurements and the U1590A soft casing for field protection, both listed as optional accessories.
This pre-owned unit is inspected and functionally verified in-house before it ships and is backed by our pre-owned warranty. To confirm its exact condition, firmware revision, installed options, or included accessories for your application before ordering, contact our Test Architects.
ValueTronics supplies both new and used test and measurement equipment. New units ship factory-sealed, exactly as received from the manufacturer; every used unit is inspected and functionally verified in-house at our 20,000 sq ft secure facility in Elgin, Illinois before it ships. Our Test Architects can help you select the condition, calibration, and configuration that fit your application.
Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.
Model No
Agilent
Condition
Pre-Owned
Manufacturer
Agilent Technologies
Osc_ch
2
Osc_freq
40 MHz
1 mω
Osc_sampl
200 MSa/s
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