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Chapter 2 System Component Descriptions 15
15
Fan: Air-cooled cameras contain an internal fan. Its purpose is:
to remove heat from the Peltier device that cools the CCD array and
to cool the electronics.
An internal Peltier device directly cools the cold finger on which the CCD is mounted.
The air drawn into the camera by the internal fan through the back slots on the side
panels and exhausted through the front slots on the side panels then removes the heat
produced by the Peltier device. The fan is always in operation and air-cooling of both
the Peltier and the internal electronics takes place continuously. The fan is designed
for low-vibration and does not adversely affect the image. For the fan to function
properly, free circulation must be maintained between the sides of the camera and the
laboratory atmosphere.
Coolant Ports: Liquid-cooled cameras have internal hoses that can be connected to the
CoolCUBE
II
circulator via the coolant ports on the side of the camera (either port can be
the input). As is the case with circulating air (see above), circulating coolant removes the
heat produced by the Peltier device. This means of heat removal is designed for
vibration-free data acquisition. For the circulating coolant to function properly, free air
circulation must be maintained between the sides of the CoolCUBE
II
and the laboratory
atmosphere.
Use only the hoses and circulator shipped with your system. Attaching any other hoses or
circulator voids the warranty.
Power Supply (Air-cooled and CoolCUBE
II
Liquid-cooled systems)
The receptacle on the power supply should be compatible with the line-voltage line cords in
common use in the region to which the system is shipped. If the power supply receptacle is
incompatible, a compatible adapter should be installed on the line cord, taking care to
maintain the proper polarity to protect the equipment and assure user safety.
Small Format PIXIS
Maximum Power Output: 80 W
Input: 100-240 V
AC
, 47-63 Hz, 1.9A
Output: 12 V
DC
at 6.6 A maximum
Large Format PIXIS
Maximum Power Output: 150 W
Input: 100-240 V
AC
, 50/60 Hz, 2A
Output: 12 V
DC
at 12.5 A maximum
Coolant Hoses (Liquid-cooled systems)
Quick-disconnects that mate to the PIXIS’s coolant ports have been installed on one end
of each hose. Refer to your coolant circulator’s specifications regarding circulator-
compatible hose fittings. If a Princeton Instruments CoolCUBEII circulator is ordered
with the camera, hoses are supplied with appropriate connectors on both ends.
Note: Part numbers for the hose, PIXIS fittings, and CoolCUBEII fitting are:
McMaster# MCM 5238K748 (3/8 ID, 5/8 OD tubing);
CPC# MCD1004 (1/4 NPT Valved Coupling Body) and McMaster# MCM 5346K35
(barbed hose fitting adapter for 3/8" hose ID X 1/4" NPTF female pipe) at PIXIS end;
and
CPC# NS6D17006 (3/8 hose barb valved in-line coupling body) at CoolCUBE
II
end.
WARNING!