import pandas as pd
import numpy as np

duration, Ts = 0.5, 5e-7
signal = pd.to_timedelta(np.arange(0, duration, Ts), "s")

dt = signal[1] - signal[0]

print(signal[1])  # 0 days 00:00:00.000000500
print(signal[0])  # 0 days 00:00:00

print(dt.total_seconds())  # 0.0 <- Wrong output

print(dt / pd.Timedelta(seconds=1))  # 5e-07 <- Expected behavior of ``dt.total_seconds()``

duration, Ts = 0.5, 1e-4
signal = pd.to_timedelta(np.arange(0, duration, Ts), "s")

dt = signal[1] - signal[0]

print(signal[1])  # 0 days 00:00:00.000100
print(signal[0])  # 0 days 00:00:00

print(dt.total_seconds())  # 0.0001 <- Correct answer

print(dt / pd.Timedelta(seconds=1))  # 0.0001 <- Proof

import pandas as pd
import numpy as np

duration, Ts = 0.5, 5e-7
signal = pd.to_timedelta(np.arange(0, duration, Ts), "s")

dt = signal[1] - signal[0]

print(dt.total_seconds())  # = 5e-07