| Display | 128 x 128 pixel graphic LCD | Viewing Area | 71.7 mm x 71.7mm |
| Back Light | White LED, 3 levels of brightness | Input Impedance | 10MΩ |
| Power | Inner Polymer Li-Ion Battery or AC adapter | Auto Power Off | 5~60minutes adjustable with disable feature |
| Indication of low power | Yes | Charging time | About 3hrs |
| Battery life | 12~16hrs approx. (vary with different models) | Memory | 100 records (both DMM data and DSO waveform)* |
| Operational conditions | 0°C to +50°C (+32°F to +122°F); < 75%RH | Storage conditions | -10°C to +60°C (-14°F to 140°F) |
| Dimensions | 86 mm ´ 186 mm ´ 32mm | Weight | 325g ( without the holster and other accessories) |
* The ET310A has only 50 records.
Auto power off in 5~60min or continuous on
Inner Polymer Li-Ion Battery with AC adapter
Isolated USB/RS232 interface with PC
Digital Storage Oscilloscope
| Simulation bandwidth | D DC ~ 10MHz(50mV/div ~ 10V/div) | Maximum real-time sampling rate | 50Msps |
| The vertical resolution | 8 bits | Nonlinearity | +-1 bit |
| Channel number | 1 | Coupling | DC/AC/GND |
| Input impedance | about 10MΩ | indexing | Vertical +- 4.8, horizontal 12.8 |
| Vertical sensitivity range | 50mV/div ~ 200V/div | When range | 0.20µs/div ~ 20s/div |
| Vertical amplitude precision | +-(5%+ 0.1div) | When accuracy | +-(0.01% + 0.1div) |
| Automatic zero reference | In DC/dB measurement | Scanning mode | Auto/normal/single |
| Trigger level | +- 12 div (At each step, 0.1div) | Trigger slope | Rising along/down along |
| Trigger position adjustment | +- 6 div (At each step, 0.1div) | Automatic Settings | When the vertical amplitude and automatic Settings |
| The cursor measurement function | dV, dt, 1/dt (Frequency) | Automatic measurement function | Vp-p, Vavg, RMS, dBm |
| Automatic measurement accuracy | +-(5%+ 0.1div) | Record length | 12.8div |
* 10MHz refers to simulate bandwidth to 3db voltage when the attenuation of bandwidth, when the input signal interference,
change with ADP08 and special high frequency shield.
* 1-2-5 for vertical attenuation switch range
Digital Multimeter
| Function | Range | Resolution | Accuracy |
| DC Voltage | 400.0mV | 0.1mV | +-(0.75%rdg + 10dgt) |
| 4.000V | 1mV |
| 40.00V | 10mV |
| 400.0V | 100mV |
| 1000V | 1V | +- (1.5%rdg + 10dgt) |
| AC Voltage (True RMS) | 400.0mV | 0.1mV | 50Hz~1kHz: +-(1.0%rdg + 10dgt); 1kHz~10kHz: +-(2.0%rdg + 10dgt); 10kHz~50kHz: +-(3.0%rdg + 10dgt); (above 50kHz not specified) |
| 4.000V | 1mV |
| 40.00V | 10mV |
| 400.0V | 100mV |
| 750V | 1V | 50Hz~1kHz : +- (1.5%rdg + 10dgt) |
| DC Current | 40.00/400.0mA | 10/100µA | +-(1.2%rdg + 10dgt) |
| 4.000/20.00A | 1/10mA |
| AC Current (True RMS) | 40.00/400.0mA | 10/100µA | +-(1.5%rdg + 10dgt)
50Hz~1kHz (above 1kHz not specified) |
| 4.000/20.00A | 1/10mA |
| Resistance | 400.0W | 0.1 Ω | +-(1.0%rdg + 5dgt) |
| 4.000K | 1 Ω |
| 40.00K | 10 Ω |
| 400.0K | 100 Ω |
| 4.000MW | 1K |
| 40.00MW | 10K | +- (3.0%rdg + 5dgt) |
| Capacitance | 51.20nF | 1pF | +- (2%rdg + 10dgt) |
| 512.0nF | 10pF | +- (1%rdg + 3dgt) |
| 5.120μF | 100pF | +- (1%rdg + 3dgt) |
| 51.20μF | 1nF | +- (1.5%rdg + 3dgt) |
| 100.0μF | 10nF | May need 30 sec. |
| Frequency Counter | 5.12Hz ~ 5.12MHz | 0.1Hz ~ 1kHz | +- (1.0%rdg + 5dgt), (The signal amplitude ³ 3Vp-p, AC V or 20mA RMS, AC A) |
| Duty Cycle | 0.1~99.9% |
| Diode | Open circuit voltage 1.5 V, maximum current about 1.5mA |
| Continuity | Sound when lower than 30Ω |
| Auto range | For every function |
| Over range | Indicates “O. L” (Over load) |
| Measurement rate | 2.5 times/sec. |
| Dynamic Data Window | Keep the data in the window live In hold mode. |
| dB (-80 ~ +80dB) reference | 2, 3, 8, 16, 50, 75, 93, 110, 125, 135, 150, 300, 600, 900, 1000, 1200 Ω |
| Fuse | Phi5×20,0.5A/250V |
