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AS1300 The SUN on Earth

Plasma-i AS1300 Light Engine

The Plasma-i Light Engine generates a solar like light flux. The lamp power can be set by software to a desired level between 500W and 1300W and the light spectrum remains almost
unchanged between 600W and 1300W power setting.

This unique spectral property is achieved with our electrodeless bulb design, where the bulb converts the externally generated HF energy into light at high efficiency.

The HF energy (microwaves) are generated with a magnetron that is powered from an adjustable stabilized power source.

Both the light engine & power supply are air cooled with fans.

System specifications (with Standard Sulphur Emitter SS0 bulb):
Designation: Plasma-i
Model: AS1300 version 1.1
System power: 1360W 5.9A 230 VAC
Luminous Flux: >163,000 lm
Input electrical power at 230VAC: 500 to1,300 W
Output optical power for 1m2: 380 to 1,010 W
Power Factor: >0.95
Emissions Standard: Fully EC compliant (2010)
Discharge bulb: Electrodeless, Sulphur based (SSX)
Spectral shift: None
Luminous efficiency: 140lm/W
Correlated Colour Temperature: 6,000K
Colour Rendering Index: 80 Lamp intensity shift: None
UV output: <380nm 0.14% IR output: >780nm 8.0%
Convected & Conducted Heat: <19% Total Heat: <27%
Design Lifetime: ca. 99,000Hr Service: Magnetron change every 40,000Hr
Cooling of system: Fans (3x) 36dB Cooling: 140m3/hr exhaust 25°C higher than intake
Light Engine Size: L250 x W190 x H175 mm Mass of Light Engine: Approx. 9 Kg
PSU Size: L250 x W150 x H195 mm Mass of PSU: Approx. 3 Kg
PSU Control Facility1: Hardware manual control ON/OFF with variable input power control (dimming). PSU Control Facility 2: Hardware voltage control. BMS compatible 0 to 10V control. 3.5mm jack plug.
PSU Control 3: Networking Hardware & Software requires a single PC with Windows XP/ W7 & RS232 port. Can be used to control several light engines. PSU Control 4: Software including power and temperature monitoring information requires a single PC with Windows XP/ W7 & RS232 port.

Characteristical variances in bulb mix range: The CRI is between 98 (60 lm/W) & 80 (140 lm/W) and hot re-strike is between 20 & 180 seconds depending on which bulb mix is used.

Operating Conditions: Ambient temperature +5°C to +35°C Humidity <60%, non-condensing. As no filter is provided on the air cooling system the standard system has to operate in a clean environment with no dust emitting processes nearby.


Solar Simulation
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solar simulation
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Popular light sources currently used for solar simulation include the Hydrargyrum Quartz Iodide (HQI) lamp which is a type of high-intensity discharge (HID) light, produces its light by an electrical arc in a gas envelope using electrodes. Note that Hydrargyrum is the Latin name for the element mercury.  Also Xenon lamps that use tungsten metal electrodes in a glass tube filled with xenon gas. For xenon flash tubes, a third "trigger" electrode usually surrounds the exterior of the arc tube. Xenon lamps often have a relatively short lifetime of 200 to 2000 hours. As with all electrode based light sources the colour quality and luminous efficiency of the light changes dramatically as the electrodes burn away during use. And the tungsten lamp, which is similar to the classic incandescent domestic version, but with an extra high-temperature filament so that it gives high illumination and high colour temperature for the price of a short lifetime. In nearly all cases solar simulators using a combination of these old technologies can only represent part of the solar spectrum at the same time and many have extremely elaborate and vulnerable reflector and filter systems to simulate the Sun’s radiation at all wavelengths.

With Plasma International Lighting Systems there are none of these risks or problems, the spectral output is truly full and continuous, not just for hours, but for years, with no qualitative or quantitative degradation. 

There are currently 2 variations of the plasma lamp available, the Standard Sulphur lamp (SS0) and the Triple A class Solar Simulator lamp (AAA).

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Class AAA Plasma-I Systems
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A solar simulator is now measured as class A, B, or C for Spectral Match, Non-Uniformity of Irradiance, and Temporal Instability of Irradiance. Solar simulators utilizing plasma-i lamps are easily designed to meet Class A performance for all 3 of the test requirements.
The three standards that define solar simulator performance, in order of most demanding parameters first:

  1. JIS C 8912-1998, Solar Simulators for Crystalline Solar Cells and Modules
  2. IEC 60904-9 Edition 2 (2007) Photovoltaic Devices – Part 9: Solar Simulator Performance Requirements
  3. ASTM E 927-05 (2005) Specification for Solar Simulation for Terrestrial PV Testing
standard sulphur spectrum
Standard Sulphur Lamp Spectrum (SS0)
AAA class spectrum
AAA Class Lamp Spectrum (AAA)
Class A Standards and Specifications (in order of organisational popularity)
Performance Parameter
Spectral Match (fraction of ideal percentage
0.75 – 1.25
0.7 – 1.25
0.7 – 1.25
 Non-uniformity of irradiance
Temporal Instability
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How Does Plasma Compare to other Light Sources?
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Lumens per Watt
A Simplified Perspective from Clive Wing:

The SS0 lamp has hardly any UV light and less red light than the AAA lamp that the Dutch researchers have named the Artificial Sun.

Spectral Match – How close it is to the power of visible and invisible colours that are in sunlight.
Non-Uniformity of irradiance  - How evenly spread out (distributed) it is.
Temporal Instability – How constant the output is.

A New way of Measuring is Needed

We can not claim higher luminous efficiency than a sodium lamp or higher PAR (Photo synthetically Active Radiation) than a metal halide or sodium lamp because when we measure our plasma lamp in lumens or micro moles it nearly always measures at least 30% less than other HID lamps of the same wattage. We will claim a higher PUR (Photo synthetically Useful Radiation) value because we believe the plasma lamps that we manufacture are the only lamps that are truly a full and continuous spectrum and thus, completely unlike LED's, deliver all of the light that is useful for photosynthesis.

Conventional methods of measuring light for humans use lumens, deemed useless for horticulture, horticulturists measure light in micro moles (µmoles). Working with British, German and Dutch horticulturists and researchers I have learnt that micro mole measurements are the best indicator we have at this time. The results from real world tests indicate that a plasma lamp, that measures 30% micro moles 'less' than a High Power Sodium Lamp of same wattage, produces at least 30% more biomass, and can fully grow cucumbers to European standards 10 days sooner. After eating them myself I can confidently write that in my opinion cucumbers grown in continuous full spectrum light with a low PAR value, compared to HPS, have better aroma, flavour and colour. My hunch is that the nutritional value will be far higher also, especially as thinking it will be the same is disregarding the principles of logic!

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Full, Continuous & Highly Efficient Spectrum
Lamp Power Rating
Lamp Envelope Sphere Outer Diameter

AS: 32mm
AAA: 35mm

Lamp Rotation
0 to 6000rpm
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Plasma Lamp and Plasma Drive Synergy
System Power Rating
1360W (AvFP 5.9A 230VAC)
System Efficiency
Plasma-i Lamp Life
Light Engine Magnetron
Light Engine Size L250 x W190 x H175 mm
PSU Size L250 x W150 x H195 mm
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Electrical Performance
Input data
Mains voltage
230 VAC +-10%
Mains frequency
45-65 Hz
Power factor
>0.95 at 1300W and 230 VAC
Output data
Anode power
100-1300 W set in 10W steps. Regulated by CPU.
Anode voltage
(Application dependant)
Anode current
25-350 mA
(Application dependant)
Filament current
4-10 A. (Parameter setting varied by application.)
>93% at full power
Filament circuit
Open circuit / short circuit protected
Anode circuit
Open circuit / short circuit protected.
RS 232 optically isolated.
Microsoft Windows compatible
multi-lamp remote control
networking module available
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Approvals & Environment
EN 61010
Harmonics conducted
EN 61000-3z
EN 61000-6-3 Emission
EN 61000-6-2 Immunity
-25 to +50 C°
Non Condensing)
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Narrow Spectrum
Typical spectra
Center fq
2,45 GHz
Fq scale
2 MHz/div
30 kHz
Amplitude scale
10 dB/div
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High speed Sulphur Plasma Ignition Film.
The Sulphur Lamp (also Sulfur Lamp) is a highly efficient full-spectrum electrodeless lighting system whose light is generated by sulphur plasma that has been excited by microwave radiation. Filmed by Nick Paris using an OLYMPUS I-SPEED 3 CAMERA.
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