The sai ego range offers energy regulators, which are designed to control heat from zero to full rating by simply turning a knob. These are used in thermoplastic and thermosetting moulding machines, otg, drying cabinets, wash boilers, boiling rings, hot plates, grills, boilers, oil baths, switchgear and panel board, popcorn machines, scientific equipments, and other domestic, commercial and industrial heating equipments. These regulators, also known as simmerstats, have snap action switch, which opens and closes the load circuit at precise time intervals. The proportion of time `on` to `off` can be varied regulating the average power input and assuring a smooth output of heat. There are ten arbitrary divisions from zero to full on the scale marked on a black dial with a control knob. The entire switch mechanism is mounted on a heavy-duty porcelain base in `sumo` model and on a heat resistant thermosetting base in `sunsim` and `suntek` models and is protected with a cover, which withstands temperature conditions where it is designed to function. All internal parts are made heavy-duty for long trouble free life. Variation of ambient temperature of up to 85 c and compensation for voltage fluctuations of up to 15 per cent are both automatic. Within these limits the rate of heat output will not be affected once the switch is set. A thread bush with registering lugs is provided for fixing. It can be fitted in any convenient position on the control panel, as there is no thermal contact.
