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插卡式仪器模块:数字万用表模块(插卡式)

#数据采集#fpga开发

• 6½ 位数字表显示

• 24 位分辨率

• 250 KSPS 采样率

• 电源 和数字 I/O 均采用隔离抗噪技术

• 电压、电流、 电阻 、电感、电容的高精度测量

• 二极管/三极管测试

通道

1

2

2

输入

阻抗

电压

10 MΩ

High-Z, 10 MΩ

电流

10 Ω

50 mΩ / 2 Ω / 2 KΩ

输入范围

电压

± 5 V

0–60 V

电流

± 2 mA

1 nA – 3 A

电阻

1 MΩ – 100 MΩ

耦合

DC

DC

DC

ADC 分辨率

24 Bits

24 Bits

24 Bits

采样率

250 KSPS

250 KSPS

250 KSPS

测量精度

电压

± (0.018% of Reading + 0.0015% of F.S.)

6 mVDC: ± (0.06% of Reading +0.075% of F.S.)

6 VDC: ± (0.018% of Reading +0.0013% of F.S.)

60 VDC: ± (0.03% of Reading +0.001% of F.S.)

6 VAC: ± (1% of Reading +0.1% of F.S.)

电流

± (0.06% of Reading +

0.06% of F.S.)

1 uADC: ± (0.1% of Reading +0.1% of F.S.)

100 mADC: ± (0.05% of Reading + 0.02% of F.S.)

3 ADC: ± (0.1% of Reading +0.02% of F.S.)

电阻

1 Ω: ± (1% of Reading +0.1% of F.S.)

100 Ω: ± (0.05% of Reading +0.2% of F.S.)

1 MΩ: ± (0.05% of Reading +0.006% of F.S.)

100 MΩ: ± (0.9% of Reading +0.01% of F.S.)

电容

1 nF: ± (3% of Reading +0.5% of F.S.)

1 uF: ± (2% of Reading +0.1% of F.S.)

500 uF: ± (8% of Reading + 0.5% of F.S.