Demons can smell like sulfur, roses, cologne...anything! They can also appear as: an angel of light, a dead person or child, a spirit guide, a healing spirit (reiki), an alien, a fairy, a dwarf, a spirit animal etc! We can't safely discern them! The safest thing to do, is let Jesus and his angels protect us.
The recommendation is therefore that the stimulation should be applied with a 2500Hz carrier medium frequency sinusoidal alternating current, burst at 50 Hz (10ms ON: 10ms OFF) at a maximum tolerable level.
Victaulic has also completed hydrostatic burst pressure testing on Vic-Press for Schedule 10S fittings in accordance with the aforementioned paragraph 304.7.2(a) calculations show that the maximum calculated pressure rating for Schedule 10 ASTM A-312.5 Bar).