Specifications

9
1.1.2.4 COOL INPUT
When using the standard Model 563 Liquid CO
2
Cooling System, a brass
quick disconnect fitting is located in the top, right corner of the acrylic Side
Panel. This fitting protrudes through the acrylic panel for connection to the
liquid CO
2
gas tank (user supplied). (See Section 4.2.1 Model 563
Cooling System)
1.2 Controlled Environment Description
The controlled environment section of the Model 518 Chamber is 13 ft
3
. (0.32 m
3
) and
measures 39”Wx22.5”Dx22”H (99x57x56 cm). Mounted against the rear wall is an
aluminum “screen” that protrudes 4” into the chamber. It contains the heater, thermal
safety switch, variable speed 110 cfm fan(s) that are controlled by an ON/OFF switch
located on the front panel to the left of the ‘STANDBY’ switches. Also included is a
duplex accessory power outlet (North American Std) with a weather-tight cover.
Mounted to the top of the unit is a weather-tight 18-Watt florescent light (controlled by
an ON/OFF switch located on the front panel to the right of the ‘STANDBY’ switches).
The wall separating the controlled environment from the electronics compartment is
0.25” acrylic and contains the humidity and temperature sensor, dry air in/out ports plus
the gas cooling fitting, if so equipped. Located on the upper middle portion of the wall is
the humidifier output.
The left side of the Chamber contains a 12"W x 4"H opening with a hinged access door
secured by three (3), ¾-turn latches. Towards the rear is a 1.25" ID access hole for
feeding cables and tubing to instrumentation placed inside. This hole should be sealed
using the soft putty compound provided.
The front of the Chamber consists of a large door containing a pair of 8” (20cm) dia.
ports to accept gloves or iris ports. The standard Model 518 is equipped with neoprene
rubber accordion sleeves with removable #10 size gloves (other sizes and types of
gloves are available). Silicon rubber iris ports or no ports at all are available as options.
The access opening is 32"W x 14"H which enables large objects to be placed inside.
To the right of the front door is the humidity and temperature control module. This
module is easily removed for servicing by loosening the four (4) captive mounting
screws.