6-1
Chapter 6
Parts and Controls
The user should become familiar with the furnace back panel, front panel, and
constant temperature block assembly.
6.1 Back
Panel
The back panel (Figure 1) features the Power Entry Module (PEM) that contains
the power cord socket, the power switch, and the heater voltage switch, the serial
port, and the fan.
fig-1.eps
Figure 1. Back Panel
Power Cord - On the back of the calibrator is the removable power cord inlet that
plugs into an IEC grounded socket.
Power Switch - The power switch is located on the power entry module (PEM).
The PEM also houses the fuses and the dual voltage selector. The PEM and
Heater Voltage Switch allow the unit to be field switchable for 115 VAC (±10%) or
230 VAC (±10%) operation.
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