Omega-electronics manufactures analogue temperature controllers. They are available in range of 0 to 100°c, 250°c, 400°c, 600°c, 800°c, 1000°c and 1200°c. Inputs can be thermocouples [fe/ const, cr/a1] or pt-100. It has accuracy of 0.5% fsd. Control action can be proportionating or on/off. Temperature is set by potentiometers. Reset control and cycle adjustment are given on front panel. It needs power supply from 180 v to 275 v ac. The instruments come in standard din enclosures.
