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Levels of UVC Energy Needed to Destroy Harmful Microorganisms

Each harmful microorganism has a different level of sensitivity to UVC radiation. Some harmful microorganisms require only a small amount of UVGI to break apart their DNA. While other harmful microorganisms require more UVGI. In order to use UVGI to effectively sterilize surfaces, the operator must understand the exposure levels required. The intensity of the UVC light source, the distance from the light source to the target surface and the length of time required for optimum exposure.

MiniZapr XL UVC Sterilizer Base Module – Calculations for Various Operational Speed/Passes for Energy Exposure

Module/Cart Speed (mph) 2 1 2 1
Passes over field 3 3 2 2
Peak Exposure @ 2.5” (µW-s/cm²) 11,125 11,125 11,125 11,125
Total CALCULATED Dosage (µJ/cm²) 6,874 13,748 4,583 9,165

960 XL Handheld Module – Calculations for Various Operational Speed/Passes for Energy Exposure

Module Speed (feet per second – fps) .5 .5 .5 .5
Passes over field 2 3 2 3
Peak Exposure @ 2” (µW-s/cm²) 4,410 4,410
Peak Exposure @ 3” (µW-s/cm²) 2,940 2,940
Total CALCULATED Dosage (µJ/cm²) 4,900 7,350 7,350 11,025

NOTE: The green highlighted columns represent the recommended basic operation.

960 MiniZapr XL Operational Requirements

The operational requirements of this system are flexible and operators can adjust their protocols to meet their needs. Operators may optimize the UVGI treatment system and design a regular treatment schedule that effectively targets microbes of particular concern. For the optimum results in any setting, the operator should be aware that a slower, deliberate delivery method delivers significantly higher levels of exposure and more effective germicidal efficacy. Of course, a higher germicidal efficacy provides greater confidence for sterility and safety.

Incident Energies of Germicidal Ultraviolet Radiation at 253.7 Nanometers (UVC) Necessary to Inhibit Colony Formation in Organisms (90%) and for 3-Log (99.9%) Reduction

Energy needed for kill factor Microwatt seconds per square centimeter
ORGANISM 90% 99.9%
Bacillus anthracis 4,520 8,700
Bacillus magaterium sp. (spores) 2,730 5,200
Bacillus magaterium sp. (veg.) 1,300 2,500
Bacillus paratyphusus 3,200 6,100
Bacillus subtilis spores 11,600 22,000
Clostridium difficile (C. diff) 4,640 9,220
Clostridium tetani 13,000 22,000
Corynebacterium diphtheriae 3,370 6,500
Eberthella typosa 2,140 4,100
Escherichia coli 3,000 6,600
Leptospira Canicola-infections Jaundice 3,150 6,000
Methicillin-resistant Staphylococcus aureus (MRSA) 2,600 6,600
Micrococcus candidus 6,050 12,300
Micrococcus spheroides 1,000 15,400
Mycobacterium tuberculosis 6,200 10,000
Neisseria catarrhalis 4,400 8,500
Phtomonas tumeficiens 4,400 10,000
Proteus vulgaris 3,000 6,600
Pseudomonas aeruginosa 5,500 10,500
Pseudomonas fluorescens 3,500 6,600
Salmonella enteritidis 4,000 7,600
Salmonella paratyphienteic fever 3,200 6,100
Salmonella typhosa-typhoid fever 2,150 4,100
Salmonella typhimurium 8,000 15,200
Sarcina lutea 19,700 4,200
Serratia marcescens 2,420 3,400
Shigella dysenteriaeDyentery 2,200 4,200
Shigella flexneriDysentary 1,700 3,400
Shigella paradysenteriae 1,680 3,400
Spirillum rubrum 4,400 6,160
Staphylococcus albus 1,840 5,720
Staphylococcus aureus (Staph) 2,600 6,600
Streptococcus hemolyticus 2,160 5,500
Streptococcus lactis 6,150 8,800
Streptococcus viridans 2,000 3,800
Vancomycin resistant enterococci (VRE) 3,200 7,000
PROTOZA 90% 99.9%
Chiarella vulgaris (Algae) 13,000 22,000
Nematode eggs 4,000 92,000
Paramecium 11,000 20,000
VIRUS 90% 99.9%
Bacteriophage (E. coli) 2,600 6,600
Infectious Hepatitis 5,800 8,000
Influenza 3,400 6,600
Poliovirus-Poliomyelitis 3,150 6,000
Tobacco mosaic 240,000 440,000
YEAST 90% 99.9%
Brewer’s yeast 3,300 6,600
Common yeast cake 6,000 13,200
Saccharomyces carevisiae 6,000 13,200
Saccharomyces ellipsoideus 6,000 13,200
Saccharomyces sp. 8,000 17,600
MOLD SPORES Color 90% 99%
Aspergillus flavis Yellowish green 60,000 99,000
Aspergillus glaucus Bluish green 44,000 88,000
Aspergillus niger Black 132,000 330,000
Mucor racemosus A White gray 17,000 352,000
Mucor racemosus B White gray 17,000 352,000
Oospora lactis White 5,000 11,000
Penicillium expansum Olive 3,000 22,000
Penicillium roqueforti Green 13,000 26,400
Penicillium digitatum Olive 44,000 88,000
Rhisopus nigricans Black 111,000 220,000

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960 MiniZapr XL 36″ UVC Sterilizer For Indoor/Outdoor Applications
Model 960
Main Frame 12 Gauge Steel
Handle One Piece 1 Inch Round Tube with Height Adjustment
Length 38 Inches
Width 48 Inches
Weight 205 Pounds
Running Gear 4 Pneumatic Tires (280/250-4) Ribbed 4-ply with Bearings. Front Gear with 360 Degree Swivel Casters
Light Module #1 1 Static 8 UVC bulb module w/ LED indicators and Hour Meter For Tracking Bulb Hour Usage
Light Module #2 1 Detachable 2 UVC Bulb Module w/ 25 Foot Power Cord
UVC Bulbs 10 @ 5.3-Watt Slimline, Hard Quartz Glass Lamp Envelope w/ FEP Shatter-Proof Coating  & Waterproof Sure Seal Lamp Socket Connection
Power Source Options 1000 Watt Honda Gas Generator OR 50’ Cord For Use w/ Standard 110 Outlet
Finish Powder Coat with 6-step Pre-Wash Including Degreaser and Anti-Rust Coating
Shipping Crate 46” x 40” x 25.5”
Crated Weight 270 Pounds
General Description: The 860 MiniZapr sterilizes all hard surfaces with institutional settings, including counters, tables, handrails, floors, cabinets, drawers, sinks, toilets, and bath/showers. This is accomplished with powerful germicidal UVC light. Harmful microorganisms such as MRSA, HIV, C-Diff, Staph, and Influenza are eradicated through DNA destruction, eliminating the potential for “superbugs.” Reliable on-board power via generator or use of 50’ cord and standard wall outlet, provide the most efficient, cost-effective sanitation method available in the industry.