Fitotron® - Controlled Environments for Plant Research
Fitotron® Product Range
Fitotron® SGR
Multi tier high performance growth rooms
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Flexible multi tier lighting system to meet current and future plant growth applications
making maximum use of the customers investment
Suitable for a wide range of applications from seed germination through to plants
requiring high light levels
Wide temperature and humidity performance envelope for environmental stress
physiology
Dawn dusk effects to re-create natural environment
Independent control of light, temperature and
humidity on a 24 hour cycle
Compatible with Fitoview software for remote data
logging and control
Containment options for CAT2 and CAT3
Standard and bespoke layouts to maximise use of
available space
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F. Wood // Fitotron SGR Presentation
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Fitotron® Product Range
Features & Advantages
¬ Design maximised for ease of installation
• Minimum time on-site
• Minimal disruption to customer
• Lower cost installation
¬ Design flexibility
• To accommodate dimensional site restrictions, shorter or narrower options available
to meet any site restrictions
• Non standard sizes catered for while maintaining performance envelope
• Cost effective bespoke designs for none standard applications
¬ A total solution, the SGR includes as standard;
• Humidity system independent of compressed air supply.
• De-humidification system included as standard
• Full Refrigeration system including remote air cooled condenser
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Fitotron® Product Range
Designed for plants requiring moderate to high light levels & wide climate range
¬ High light levels up to 700 µmol
• Suitable for growing many plant types
¬ Flexible multi-Tier lighting system
• Up to 3 tiers of lighting
• Height adjustable to accommodate different sized plants
• Removable intermediate & lower tiers of lighting so the space can be “flexed” to
accommodate taller or more shorter plants
• Local dimming on each shelf to match the needs of individual growing requirements
¬ High Ceiling
• To accommodate taller plants or saplings
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F. Wood // Fitotron SGR Presentation
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Fitotron® Product Portfolio
General Fitotron® SGR Room Layout & Technical Summary
Temp Lights ON
+10 to +35°C
Temp lights OFF
+5 to +35°C
Low temperature option available
Humidity Lights ON
55 to 85%RH
Humidity Lights OFF 60 to 90%RH
Growth area
1.36m2 to 8.16m2
Light level @300mm 700 µmol m-2s-1 1 tier
400 µmol m-2s-1 2 tier
250 µmol m-2s-1 3 tier
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Fitotron® Product Range
Fitotron® SGR Range
¬ Performance characteristics
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Class Leading Uniformity
Temperature ±0.5K (steady state)
Humidity ±3% (steady state)
Spatial
Temperature ±1K (without light)
Temperature SGRXX1 ±1K (with light)
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Fitotron® Product Range
Fitotron® SGR Range
¬ Performance characteristics
• Class Leading climatic envelope – its all about the dewpoint
SGR Climatic Envelope ( --------------- Lights on, ---------------------- Lights off )
100
90
80
70
60
55
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Minimum Temperature LIGHTS ON
Minimum Temperature LIGHTS OFF
Relative Humidity ( % )
85
40
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Optional Extension of Climate Envelope
using Additional Drying Equipment
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40
Temperature ( °C )
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Fitotron® Product Range
SGR Flex
¬ Total flexibility!
500 - 50µmol/m²/s.
180 - 50µmol/m²/s.
500 - 50µmol/m²/s.
280 - 50µmol/m²/s.
180 - 28µmol/m²/s.
280 - 28µmol/m²/s.
180 - 18µmol/m²/s.
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Fitotron® Product Range
Light Rack Key Features
Philips T8 colour 840 58W
Airflow from front
vents in Lamp tray
Fluorescent lamps
spaced to optimise light
uniformity at the shelf
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F. Wood // Fitotron SGR Presentation
Lamp tray is cooled by an axial fan to
minimises heat transfer to shelf above
Manual Dimming of each lamp
tray in range 10 to 100%. The
light intensity required for
growing the plant can be easily
set reducing energy usage
ON/OFF switch on each lamp tray.
ensuring only those lamp trays in
use are using energy.
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Fitotron® Product Range
Climatic Range
¬ Controlled humidity offered as standard – Active dehumidification
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Ensuring plants are not exposed to pathogens such as mildew or fungal infections
Plants are not exposed to stress caused by unwanted high levels of humidity
Control independent of ambient conditions
Uncontrolled High humidity not possible avoiding saturation
¬ Broad temperature range
• Allowing both low & high temperatures to be set to carry out plant stress research
¬ Broad humidity range
• Allowing broad climate simulation & ability to perform plant stress research
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F. Wood // Fitotron SGR Presentation
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Fitotron® Product Range
Control Features
¬ Independent control of Temperature, Humidity & Lighting
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Giving flexibility of day/night lengths
Temperature & humidity setpoints can be set independantly of the other
Varying ramp rates of change for temperature & humidity independant of the other
Real time programming
F. Wood // Fitotron SGR Presentation
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Fitotron® Product Range
Humidity generation
¬ Humidity is generated by the injection of cool water vapour
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Using vapour phase generators
Ensures Sterility
Injected directly into the air conditioning unit to ensure even spread across the room
Injected at ambient temperature of room ensuring no extra heat is added to the room
Safety of researchers assured as no aerosol formation ensuring against bacterial
infection such as legionella
• High temperature of water bath kills any bacteria present
• Reduced energy usage via modulated control
• Low water usage
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Fitotron® Product Range
Air distribution
¬ Horizontal air flow
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From both sides of the room
Via perforated Plenum wall structure
Delivered across the whole of each side wall to ensure uniform air distribution
Fresh air ventilation/exchange to maintain optimum air quality
Optimum air velocity (max 0.5m/s) to ensure prime growing conditions
Easy access to air handling unit components from with the room for ease of servicing
No external access required
F. Wood // Fitotron SGR Presentation
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Fitotron® Product Range
Optional - bio containment
¬ To protect against escape of/or infiltration by biological materials with the
external environment
• Growth room held at negative pressure relative to external environment
• Insect screens to stop escape or infestation
• Increased levels of filtration of incoming and exhaust air to protect experiment and/or
escape of pathogens
• Ante room options to increase security
• Various trap drain options
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F. Wood // Fitotron SGR Presentation
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Fitotron® Product Range
Fitotron® SGR Range
¬ Standard configurations
• SGR 1XX = Single-sided
• SGR 2XX = Double-sided
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Fitotron® Product Range
Fitotron® SGR Range
¬ Standard Configurations
SGR X3X = 3 BAYS DEEP
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F. Wood // Fitotron SGR Presentation
SGR X2X = 2 BAYS DEEP
SGR X1X = 1 BAY DEEP
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Fitotron® Product Range
Fitotron® SGR Range
¬ Advantages
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Several different cooling options
External air cooled condensor comes as standard
Flexible racking system to maximise return on investmnent
Sterile humidity generation for assured sterility
No compressed air supply required for humidity generation
De-humidification comes as stadard
None standard sizes
Class leading uniformity of temperature ±1K (without light)
Temperature SGRXX1 ±1K (with light)
Class leading climatic envelope
LED Lighting options. e.g.Valoya/Heliospectra
F. Wood // Fitotron SGR Presentation
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Weiss Technik UK Limited
Units 37-38 The Technology Centre,
Epinal Way,
Loughborough,
Leicestershire,
LE11 3GE,
United Kingdom
Tel: +44 (0)1509 631590
Fax: +44 (0)1509 211133
www.weiss-uk.com