Watlow Series
F4 Ramping Controller
- Guided 256 step, 40 profile ramp and
soak programmable memory
- Menu customization
- High performance 16 bit microprocessor
- Universal inputs
- Enhanced environmental chamber control
- Real time clock with battery backup
- Simplifies setup and operation
- Supports humidity, compressor, boost
heat/boost cool control
Watlow
Series 998 Microprocessor
Controller
- 2 channel setpoints
and indication
- Manual control
- Adjustable PID's
- Optional RS-232C, RS-422 or IEEE-488
communications
- Auto tuning of all parameters
Stainless Steel
Welded Interior (Vapor Tight)
- All chambers
have a stainless steel interior of either Series 304 or 316.
Humidity models are welded for vapor tight enclosure
Adjustable High/Low
Temperature Safety
- Digital set-digital indicating high/low
temperature safety
- Manual reset
- Visual and audible alarms
- Independent of chamber controller
- FM approved
- Universal inputs
- Optional alarm outputs
Steam Generator
Humidity System
- Self-contained steam generator
- Adjustable & automatic safeties
for heater
- Utilizes demineralized water
- Fast response to controller demands
- Stainless steel heater
- Easy maintenance
- Long heater life
Internal Light
- External Switch
- Illuminates entire interior of chamber
- Vapor tight enclosure
- Independent switch on instrument control
panel
Forced Air Circulation
- All chambers incorporate forced air
circulation
- External ball bearing permanently lubricated
motors with stainless steel shaft
- Airflow CFM tailored to individual chamber
- Stainless steel fan blades or stainless
steel blower wheels standard
- Quiet operation
Shelf, Fully
Adjustable
- Chrome plated or stainless steel supplied
- Additional shelves available
- Fully adjustable shelf positions available
every 1/2" height throughout working volume
Self-Contained
Refrigeration System
- All temperature and temperature humidity
chambers incorporate a self contained mechanical refrigeration system
- Air cooled condenser standard
- Environmentally safe non-ozone depleting
refrigerants
- Completely sealed systems
- Quiet operation
- Single stage or two stage cascades
Insulation
- Non-settling, high-density, low "K'
factor fiberglas
- Rigid foam insulation used in some units
- Foamed-In-Place urethane in some units
Heat System
- Fast response electric heaters used
- Low watt density heavy duty nichrome
wire on ceramic cores
- Sealed stainless steel finned type heaters
used on humidity models
- Reliable - Long life
- Wattage tailored to individual chambers
- Rapid temperature change rates available
Electronic
Humidity Sensors
- For low humidity testing
- Eliminate wet wick system and maintenance
- Vaisala or Rotronic units supplied
- High reliability - Accurate measurement
- Able to withstand temperature range
of chambers without removal of humidity prope
Exteriors
- Textured enamel paint over heavy gauge
cold rolled steel
- Different colors available
- Stainless steel exterior available as
option
Floor Stands
- Available for all bench top chambers
- Converts to floor model
- With or without heavy duty swivel casters
- Open front for bottom storage
- Convenient height
Chamber Cart
Chamber carts are durable, highly portable
four-wheel unit which is attractively finished in the same textured
enamel used on all AES equipment. This cart will hold two 50-pound
cylinders of liquid carbon dioxide as well as accommodating a test chamber
up to eight cubic feet in size. The lower shelf may be used to
transport miscellaneous equipment from one test area to another.
Recorders

Honeywell DR 4500 Truline
Digital Circular-Chart Recorder Shown
- Various recorders are available 6",
8", 10" & 12" plus strip chart recorders
- As standard we use the Honeywell Series
DR4500 12" diameter programmable recorder. This unit prints
its own charts on special paper. All parameters are printed
on charts. Single, two or three pen operation.
- No need to stock different charts
- All parameters adjustable
CO2
or LN2 Option
- Fast pulldown rates
- Will handle larger live loads
- Economical
- Available on all chambers
- Gases available from your local gas
supplier
Access Ports
- 3/4" (1.9cm) diameter port and
plug
- 2" (5cm) diameter port and plug
- 3" (7.6cm) diameter port and plug
- 4" (10.1cm) diameter port and plug
- 5" (12.7cm) diameter port and plug
- 6" (15.2cm) diameter port and plug
- Special ports available
- Slotted ports available with removable
plugs
Communications
- RS-232C, RS-422 or IEEE-488 available
on all chambers
- Automatic software package for controlling
up to fifteen (15) chambers available
Demineralizer
Cartridge System
- Cartridge system enables you to use
your plant water supply
- Replaceable cartridges
- System mounted on rear of chamber
- Turns colors when ready to change
- Easily replaceable
Dehumidifiers
- Optional twin tower air dryers or honeycombed
self-contained system continuous duty available
- Used for low humidities down to 2% RH
- Various dew points available
- Mounted to chamber or separately located
per your requirement
Windows
- Multipane, up to six (6) panes
- Sealed air compartments with desiccant
between panes to prevent fogging
- Sized for particular chamber
- Various sizes available up to 48"
X 48"
- Completely sealed in chamber door
Window Wiper
- Manual wiper sized for window in chamber
- Heated window available, eliminating
need for wiper