电压测量

Fluke705/707

Fluke715

Fluke787

Fluke789

量程

0-28V

0-100mV 0-10V

0-1000V ac or dc

0-1000V ac or dc

解析度

1mV

10μV

1mV

0.1mV to 1.0V

0.1Mv to 1.0V

准确度

705:0.025% Rdg+1LSD

707:0.015% Rdg+2LSD

0.02% Red+2LSD

0.1%Rdg+1LSD(VDC)

0.1%Rdg+1LSD(VDC)

电流测量

量程

0-24mA

0-24mA

0-1A dc

0-30mA dc

0-1 A dc

0-30mA dc

解析度

0.001mA

0.001mA

1mA dc

0.001mA dc

1mA dc

0.001mA dc

准确度

705:0.02% Rdg+2LSD

707:0.015% Rdg+2LSD

0.015%+2LSD

0.2%+2LSD

0.05%+2LSD

0.2%+2LSD

0.05%+2LSD

电流输出

量程

0-20mA or 4-20mA¹

0-20mA 01 4-20mA¹

0-20mA or 4-20Ma¹

0-20mA or 4-20Ma¹

准确度

705:0.025% Rdg+2LSD

707:0.015% Rdg+2LSD

0.015% Rdg+2LSD

0.05% of span

0.05% of span

驱动能力

705:1000Ω@24mA

707:1000Ω@24mA

1000Ω@24mA

500Ω@24mA

500Ω@24mA

mA测量时的回路电源

24V

24V

N/A

24V

电压源

N/A

0-100mV or 0-10V

N/A

N/A

电阻测量

N/A

N/A

to 40MΩ,0.2%+1LSD

to 40MΩ,0.2%+1LSD

频率测量

N/A

N/A

to 19.999kHz,0.005%+1LSD

to 19.999kHz,0.005%+1LSD

二极管

N/A

N/A

2.4V showschode votage drop

2V

通断

N/A

N/A

Boops for rcsistanco＜100ohms

Boops for rcsistanco＜100ohms

电流%显示

Yes

mA or %

Yes

Yes

自动步进

Yes

NO

Yes

Yes

满度检查

Yes

NO

NO

NO

电池寿命

12毫安18小时

12毫安18小时

12毫安12小时输出

12毫安10小时输出

保修

三年