dil.remove()
T_mix.target = 2
T_mix.htrrng = 6  # 30mA
htr_still.target = 0.004
T_stat.auto_flow = True  # this sets the n.v. flow back to 4 mbar
T_sorb.target = 40
T_stat.target = 5
while p1() < 120 or p5() > 150:
    sleep(1)
T_mix.htrrng = 7
while p1() < 500 or p5() > 300:
    sleep(1)
T_stat.target = 10
while dil._isBusy():
    sleep(1)