PtID  SN  RI
0   A    a   0
1   A    b   0
2   A    c   0
3   B    b   1
4   B    d   1
5   C    a   1
6   C    e   1

newDF =[]
for measure in arr_measures:
    test = (df.loc[(df.point_id == measure[0]) & (df.serialnumber == measure[1])]).index
    if len(test) > 0:           #account for case where the measure does not exist in the network
        newDF.append(test[0])
df = df.iloc[newDF]
df.sort_values(by=['point_id', 'serialnumber'])
df = df.reset_index(drop=True)