User manual

17
Parts and Controls
Back and Bottom Panel
Parts and Controls 7
The user should become familiar with the bath and its parts:
Back and Bottom Panel7.1
Refer to Figure 1 on this page.
Power Cord – Underneath 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 (see below) allow the unit to be field switchable for 115 VAC (±10%) or 230
VAC (±10%) operation.
115V
115
V
HEATER
VOLTAGE SWITCH
115V
HEATER
VOLTAGE SWITCH
115 VAC 3 A
230 VAC 1.6 A
50/60 Hz
115 V - 3 250 V
230 V - 250 V
A F
1.6 A
F
POWER
DISPLAY
HOLD
RS-232
HEATER
VOLTAGE SWITCH
115 VAC 3 A
230 VAC 1.6 A
50/60 Hz
115 V - 3 250 V
230 V - 250 V
A F
1.6 A
F
POWER
Back View Bottom View
Figure 1 6102 Back Panel and Bottom
Heater Voltage Switch – To be used only when changing the input voltage. (See
Section 8.1 for instructions on changing the input voltage.)
Caution: The input voltage and heater voltage switch settings should al ways be
the same value.
Serial Port – A DB-9 male connector is present for interfacing the calibrator to a
computer or terminal with serial RS-232 communications.