Overview
Hospitality Enviro Tech’s Handheld Digital Storage Oscilloscope with Multimeter Function is designed for professionals and students who require a reliable, portable, and efficient testing tool. With a 20 MHz bandwidth and a real-time 500MS/s sampling rate, it delivers precise measurements in both lab and field environments. The oscilloscope features a 3.7-inch color TFT display, ensuring clear waveform visualization. Built-in multimeter functionality enhances its versatility, offering comprehensive voltage, current, frequency, and diode testing. The device also provides automatic measurements, waveform math functions, and multiple trigger modes, ensuring accuracy and convenience in diagnostics. USB connectivity allows seamless data transfer, while its rechargeable Li-ion battery ensures up to 6 hours of operation, making it highly portable. Compact, lightweight, and durable, this oscilloscope is an essential tool for engineers, technicians, and electronics enthusiasts seeking reliable performance in demanding testing applications.
Features
- Portable and compact handheld design
- Dual function Oscilloscope and Multimeter in one device
- High-clarity color TFT display for easy waveform viewing
- Multiple trigger modes for accurate signal capture
- Built-in automatic measurement functions
- Supports waveform math and analysis functions
- Long-lasting rechargeable battery for extended field use
- USB connectivity for data transfer and storage
- Durable and user-friendly design for professional applications
Technical Specifications
| Channels | Single channel |
| Bandwidth | 20 MHz |
| Sample Rate (Real-Time) | 500 MS/s |
| Memory Depth (Record Length) | Max. 6K points per channel |
| Rise Time (Typical at Input) | ≤ 17.5 ns |
| Horizontal Scale (s/div) | 5 ns/div to 100 s/div (steps: 1, 2.5, 5) |
| Vertical Sensitivity | 5 mV/div to 5 V/div |
| Vertical Resolution | 8 bits (2 channels simultaneously) |
| Input Impedance | 1 MΩ ± 2%, in parallel with 20 pF ± 5 pF |
| Input Coupling | DC, AC, GND |
| Max Input Voltage | 400 V (PK-PK), DC + AC (PK-PK), 1 MΩ input impedance, 10:1 probe attenuation, CAT II |
| Probe Attenuation Factor | 1x, 10x, 100x, 1000x |
| Interpolation | sin(x)/x |
| DC Accuracy (Average >16) | ± (5% reading + 0.05 div) |
| DC Gain Accuracy | ±3% |
| Acquisition Modes | Sample, Peak Detect, Average |
| Trigger Types | Edge, Video, Alternate |
| Trigger Modes | Auto, Normal, Single |
| Trigger Level | ±6 divisions from screen center |
| Automatic Measurements | Vpp, Vavg, Vrms, Frequency, Period, Vmax, Vmin, Vtop, Vbase, Vamp, Overshoot, Preshoot, Rise Time, Fall Time, +Width, -Width, +Duty, -Duty, Delay A→B |
| Waveform Math Functions | +, −, ×, ÷, Invert, FFT |
| Waveform Storage | Up to 4 waveforms |
| Special Modes | Lissajous, Phase Difference (±3°) |
| Display | 3.7 in color TFT panel, 640 × 480 pixels, 65,535 colors |
| Communication Interface | USB |
| Multimeter Function | Integrated (Max. 4000-count) |
| Multimeter Voltage (DC) | 400 mV, 4 V, 40 V, 400 V, 1000 V ± (1% ± 1 digit), Max input: 1000 V DC |
| Multimeter Voltage (AC) | 4 V, 40 V, 400 V ± (1% ± 3 digits); 750 V ± (2% ± 3 digits), 40 Hz to 400 Hz |
| Multimeter Current (DC) | 40 mA, 400 mA ± (1.5% ± 1 digit); 20 A ± (3% ± 3 digits) |
| Multimeter Current (AC) | 40 mA ± (1.5% ± 3 digits); 400 mA ± (2% ± 1 digit); 20 A ± (5% ± 3 digits) |
| Diode Test | 0 V to 1.5 V |
| On/Off Test | < 50 Ω (±30), with beeping |
| Multimeter Input Impedance | 10 MΩ |
| Power Supply | 100 V to 240 V AC, 50 Hz to 60 Hz |
| Battery | Rechargeable Li-ion, 7.4 V, 6 hours operation |
| Operating Temperature | 32 °F to 104 °F (0 °C to 40 °C) |
| Dimensions | 7.09 in × 4.53 in × 1.57 in (180 mm × 115 mm × 40 mm) |
| Weight | 1.65 lb (0.75 kg) |
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