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DEVICE DESCRIPTION
The ActivePure Medical Guardian, model Number F171A is a free-standing portable device, manufactured in the USA, constructed of aluminum
and steel, dimensionally measures 11.5" W x 26.5" H x 21.0" D and weighs 48 lbs. The device operates using a standard 230 VAC, 50Hz power
source. Power consumption ranges from 1 watt in standby mode to 125 watts on high speed. The device includes: a HEPA filter; multipoint ionizer;
a photocatalyst module consisting of two 10-watt UVGI bulbs operating at a wavelength of 254nm; two pieces of polycarbonate honeycomb
material with a combined surface area of 708 square inches, coated with a TiO2 based catalyst called ActivePure; power switch; circuit board which
controls the device operations and an internal fan to draw air through the device, as shown in the general device design (Figure 1).
Ion Strip
Contaminated Air
Contaminated Air
Lab test results demonstrated the ActivePure Medical Guardian, model F171A device using ActivePure to expose Staphylococcus epidermis and MS2
bacteriophage to hydroxyl radicals and super ions formed as the result of UV exposure on the photo catalyst, has the ability to destroy the tested bio
organisms on the filter as shown in Table 1 below.
Table 1
Organism Type
Bacteria, gram +
Virus, RNA
The bio organisms selected, Staphylococcus epidermidis, a bacteria, and MS2 bacteriophage, a virus, would provide a strong challenge against the
ActivePure hydroxyl radicals and super ions exposure.
4
Carbon
HEPA
Figure 1
Organism Name
Staphylococcus epidermidis
MS2 bacteriophage
Photo Catalyst Module
"ActivePure"
Test Temp / RH
Exposure Time (H)
73.2°F / 50%
73.2°F / 50%
Fan
Avg Log – Reduction
1
72
5.77
4.15