外觀及各部分相互作用檢查
1.1.           外觀:                                   符合要求
2.2. 各部分互相檢查:                                   正    常
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一:校準(zhǔn)結(jié)果記錄如下:
1.伏特表示值(V):
顯示值          實(shí)測值        誤差(%)      允差(%)      結(jié)論
0.010v           0.010           0              ±5            PASS
0.050v           0.051           2              ±5            PASS
0.100v           0.101           1              ±5            PASS
0.150v           0.152           1              ±5            PASS
0.199v           0.197           -1             ±5            PASS
2.電流表示值(A):
顯示值          實(shí)測值        誤差(%)       允差(%)     結(jié)論
10A             10.1            1              ±5            PASS
20A             20.2            1              ±5            PASS
2             25.3           1.2             ±5            PASS
30A             30.1           0.3             ±5            PASS
40A             40.2           0.5             ±5            PASS