Categories: Digital Multimeter
UNI-T UT81 Series Scope Digital Multimeters
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Models in UT81 series: UT81B, UT81C
UT81 series handheld digital oscilloscope multimeters combine oscilloscope and digital multimeter in one. Oscilloscope measurement mode includes signal input, data processing, auto measure, waveform storage, and transfer.
Multimeter mode features AC/DC voltage and current, resistance, diode, continuity, frequency, duty ratio, and capacitance.
Specifications of UT81 Series Scope Digital Multimeters
| Specifications | Range | UT81B | UT81C |
| DMM Specifications | |||
| DC voltage (V) | 1000V | ±(0.8%+8) | ±(0.8%+8) |
| AC voltage (V) | 750V | ±(1%+15) | ±(1%+15) |
| DC current (A) | 10A | ±(1%+8) | ±(1%+8) |
| AC current (A) | 10A | ±(1.5%+8) | ±(1.5%+8) |
| Resistance (Ω) | 40MΩ | ±(1%+5) | ±(1%+5) |
| Capacitance (F) | 100μF | ±(3%+8) | ±(3%+8) |
| Frequency (Hz) | 10Hz~10MHz | ±(0.1%+3) | ±(0.1%+3) |
| Scope Specifications | |||
| Bandwidth | 8MHz | 16MHz | |
| Sampling rate | 40MS/s | 80MS/s | |
| Vertical accuracy | ±(5%+1) | ±(5%+1) | |
| Vertical sensitivity | 20mV/div~500V/div (1-2-5) | √ | √ |
| Time-base accuracy | ±(0.01%+1) | ±(0.01%+1) | |
| Time-base range | UT81B: 100ns/div -5s/div (1-2-5) UT81C: 50ns/div – 5s/div(1-2-5) |
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| Features | |||
| Display count | 4000 | 4000 | |
| Auto range | √ | √ | |
| Duty cycle | 0.1~99.9% | √ | √ |
| Diode | √ | √ | |
| Auto power off | √ | √ | |
| Continuity buzzer | √ | √ | |
| Display | 160 x 160 monochrome | √ | √ |
| Trigger types | Auto run/Normal/Single shot | √ | √ |
| Memory | 10 screens and setups | √ | √ |
| Contrast and brightness setup | √ | √ | |
| Low battery indication | √ | √ | |
| USB interface | √ | √ | |
| LCD backlight | √ | √ | |
| Input impedance for DCV | Around 10MΩ | √ | √ |
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