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UA70A基本直流电压,具有数据保持、频率/占空比测量、蜂鸣通断。可用于测量交、直流电压、电流、电阻、电容、二极管。
UA70A 3 3/4位数字万用表技术指标 |
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UA70A 3 3/4digital multimeter technical indicators |
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Basic function | 量程 range | 精度 basic precision |
UA70A | ||
Voltage DC | 400mV/4V/40V/1000V | ?(0.8% 1) |
Voltage AC | 4V/40V/400V750V | ?(1% 5) |
Direct current | 400uA/4000uA/40mA/400mA/4A/10A | ?(1% 2) |
Alternating current | 400uA/4000uA/40mA/400mA/4A/11A | ?(1.5% 5) |
Resistance | 400Ω/4KΩ/40KΩ/400KΩ/4MΩ/40MΩ | ?(1% 2) |
Capacitance | 40nF/400nF/4uF/40uF/100uF | ?(3% 5) |
Frepuency | 10Hz-40MHz | ?(0.1% 3) |
Duty ratio | 0.1%-99.9% | √ |
Special function | ||
10A fuse | √ | |
Relative measurement | ||
Diode testing | √ | |
onoff warning | √ | |
Full symbol display | √ | |
Sleeping function | √ | |
Hint of low battery | √ | |
lnput impendance | 10MΩ | √ |
of voltage measurement | ||
Data hold | √ | |
Automatic measurement | √ | |
Selection of automatic | √ | |
and manual drive | ||
Apheliotropism | ||
Shake-proof protection | √ | |
Power supply | 9V | √ |
maximum display | 3999 | √ |
Auto power off | √ | |
Display size | 66?39mm | √ |