| 摘要 |
<p>A heater 10 attaches to a work piece or field device 110 for heating thereof. It has a source of heat (74, fig 3), at least one sensor, a controller (70, fig 3) for controlling the heater 10, a communication port (30, fig 3), and attachment means for attaching an adapter block. A replaceable pre-selected shaped adapter block 120 attached to the heater 10 via the attachment means. The shape is selected for intimate contact with the work piece 110. The adapter block transfers heat from the source of heat to the work piece 110 by direct conduction. There may be a number of interconnected heaters 10 in a master and slave arrangement (fig 6).</p> |
