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FAQ

You have questions. We have answers.

--------------------------------------------------------------------------------

View All 27
Science 05
R-Zero Arc 07
R-Zero Vive 08
R-Zero Beam 07
- 01

WHAT IS UV-C?

UV-C is invisible light with a wavelength between 200nm and 280nm in wavelength.
This light has special germicidal properties, which means that UV-C is capable
of inactivating microorganisms such as bacteria, viruses, fungi, and mold. It
has been used since 1910 in wastewater treatment, and since the 1920s and 30s
for air and surface disinfection.

- 02

HOW DOES UV-C DISINFECTION WORK?

UV-C damages the DNA and RNA of microorganisms and disrupts vital cellular
functions, like replication. The germicidal properties of UV-C have been
studied, understood, and proven for over 100 years, and thousands of
peer-reviewed studies proving efficacy have been published to date.

- 03

IS UV-C SAFE TO USE AROUND PEOPLE?

No. UV-C can cause skin and eye irritation if humans are exposed, so the Arc
should only be used in unoccupied rooms. The R-Zero Arc has redundant safety
mechanisms including a pre-cycle countdown to allow operators to leave the room
safely before a cycle begins, and intrusion detection that automatically shuts
the device down if a person enters the room during treatment.

- 04

CAN UV-C PENETRATE GLASS?

No. UV-C cannot penetrate glass, so you can run a disinfection cycle in rooms
that have windows without harming anyone or anything on the other side of the
windows.

- 05

IS UV-C SAFE TO USE IN THE KITCHEN AROUND FOOD? IS IT SAFE TO EAT FOOD THAT’S
BEEN EXPOSED TO UV-C LIGHT?

Yes. Since UV-C is just light, it’s safe to use around food. No harmful
chemicals or pesticides, just naturally occurring light. You can leave an apple
out on the counter, treat the room, then eat the apple immediately afterwards
without risk.

- 06

WHERE DO I POSITION R-ZERO ARC?

We recommend that you locate the device centrally in the room that you’re
treating. If there are large obstructions in the room that may cause shadowing,
we recommend running two shorter (3-5 minute) cycles on either side of the
obstruction for maximum efficacy. Our team of specialists will help you
determine positioning within your space as a part of the onboarding process.

- 07

HOW LONG DOES AN R-ZERO ARC CYCLE TAKE?

Arc can inactivate over 99.99% of certain organisms in a 1,000 square foot space
in about 7 minutes. Larger rooms take slightly longer, while smaller rooms like
hotel rooms, bathrooms, and patient rooms in hospitals can be treated in less
time, typically 3-5 minutes. However, the touch time required is about 2 minutes
per cycle. While a cycle is running, operators can be productive, for example
beginning manual disinfection of the next space.

- 08

HOW MANY R-ZERO ARC DEVICES DO I NEED FOR MY SPACE?

The R-Zero Arc is built to fit seamlessly into the existing operations of your
organization. The size of your space, the desired frequency of disinfection, and
your existing workflows can all inform the number of devices your team needs.
Our sales team can provide recommendations tailored to your unique operational
needs.

- 09

WHAT KIND OF TRAINING DOES MY TEAM NEED?

Onboarding and training with R-Zero’s team of specialists is included with every
purchase. We will teach your team how to use the device safely and effectively,
and also provide support and guidance to help you tell your employees and
patrons that your space employs hospital-grade disinfection. These sessions will
be scheduled after purchase of the device.

- 10

HOW OFTEN DO THE LIGHT BULBS NEED TO BE REPLACED FOR THE R-ZERO ARC?

The bulbs are rated for 16,000 hours, but your lease includes 1 full set of
replacement bulbs per year – 8 bulbs for the device.

- 11

DOES THE R-ZERO ARC PRODUCE OZONE?

No. R-Zero uses bulbs with a special type of glass that blocks the transmission
of the 185nm wavelength of light that typically creates ozone for other UV-C
devices.

- 12

WHAT MICROORGANISMS DOES R-ZERO’S UV-C DEVICE DESTROY?

UV-C has been proven to work on viruses, bacteria, germs, and other
microorganisms, but also on fungi and molds. So not only will the R-Zero Arc
work on the toughest microorganisms, including antibiotic-resistant strains, but
it will also destroy fungi and mold and eliminate the unpleasant smells that
typically accompany mold spores.

- 13

IS R-ZERO VIVE SAFE TO RUN WHILE THE ROOM IS OCCUPIED?

Yes! R-Zero Vive uses a wavelength of 222nm which does not penetrate the outer
layers of the eyes or skin so it’s safe to use in occupied and unoccupied rooms.

- 14

DOES R-ZERO VIVE PRODUCE ANY HARMFUL BYPRODUCTS?

No! R-Zero Vive meets the UL 864 standard for ozone regulation and is designed
to not produce any harmful levels of ozone or other VOCs.

- 15

HOW EFFECTIVE IS R-ZERO VIVE?

R-Zero Vive inactivates 99.9% of many microorganisms in the air and on surfaces.

- 16

HOW MANY DEVICES DO I NEED FOR MY SPACE?

R-Zero Vive works for 169 sq ft per device. Depending on the spaces you are
covering you will need a different number of devices. A layered approach to
disinfection works best.

- 17

HOW IS R-ZERO VIVE INSTALLED?

R-Zero Vive is easily installed into existing 100-240 VAC lighting circuits.

- 18

HOW AND WHEN DO I REPLACE THE BULBS?

Each bulb in R-Zero Vive will last over 1,000 hours of use, regardless of number
of on/off cycles. A notification will be sent to the administrator dashboard
when it’s time to replace them. Replacement bulbs are available through R-Zero
customer service.

- 19

HOW DO I TURN R-ZERO VIVE ON/OFF?

R-Zero Vive uses PIR sensors to turn on when a room is occupied so that it’s
actively disinfecting as air and surfaces are contaminated. It also can be set
through R-Zero Connect to be optimized in terms of energy and number of people
using the room.

- 20

HOW LONG CAN I BE EXPOSED TO R-ZERO VIVE?

The R-Zero Vive emits Far UV light which doesn’t penetrate the outer layers or
skin or eyes, so prolonged exposure is safe for humans. The ACGIH has proposed a
threshold limit value (TLV) for humans of 500mj/cm2 over an 8 hour day, and the
R-Zero Vive irradiates less than 10% of that, well below the proposed TLV.

- 21

IS R-ZERO BEAM SAFE TO RUN WHILE THE ROOM IS OCCUPIED?

Yes! R-Zero Beam has been designed to keep occupants safe from the powerful UV
over their heads. The UV level is maintained below established exposure limits.
Safety information can be monitored through R-Zero Connect.

- 22

DOES R-ZERO BEAM PRODUCE ANY HARMFUL BYPRODUCTS?

No. R-Zero Beam harnesses the power of UV light to disinfect and uses no
chemicals. It produces no Ozone. Additionally, there is no need for potentially
hazardous filter changes.

- 23

HOW EFFECTIVE IS R-ZERO BEAM?

R-Zero Beam can reduce airborne microorganism load in a well-mixed room by up to
99.9% in minutes. This is equivalent to replacing the air in the room with fresh
air 12-16 times per hour. It is effective against a variety of common bacteria
and viruses.

- 24

HOW MANY DEVICES DO I NEED FOR MY SPACE?

R-Zero’s Beam coverage area is 500 ft2. R-Zero’s team of experts will help
determine the layout and positioning that is right for your space, optimizing
safety and efficacy.

- 25

HOW IS R-ZERO BEAM INSTALLED?

R-Zero Beam is designed to be easily installed to the wall or ceiling. It can be
installed directly into 120-240 VAC wiring. R-Zero leverages a network of
trained installers, ensuring that when the installers leave, the system is live.

- 26

HOW DO I TURN R-ZERO BEAM ON AND OFF?

R-Zero Beam employs a PIR sensor to monitor the room and turn the device on
automatically when anyone enters. The fixture then turns off after occupants
leave the room, enabling maximum efficiency. Alternatively, R-Zero Beam can be
operated via R-Zero Connect.

- 27

HOW DOES BEAM IMPACT PLANTS IN THE ROOM?

There are limited scientific studies of UV-C exposure to plants and damage
causing thresholds. R-Zero is currently investigating this topic so that we can
help our customers mitigate any adverse effects to their plants while improving
their indoor air quality.

In general, if your plants are being over exposed, you will start to see mild
yellowing of the leaves.

This damage is reversible, and preventable, and we have found the following best
practices can prevent plant damage:

 1. Avoid having plants above 7’ high in the room, if that is unavoidable, move
    the plants to the adjacent wall the the Beam is mounted on.
 2. Avoid having plants within 8’ of the Vive.
 3. Directly in front of the Beam will have the highest levels of UV-C that may
    be harmful to plants, consider move sensitive species to the sides of the
    room.
 4. Plexiglass or glass barriers block UV-C and can be used to shield plants
    from exposure.

- 01

WHAT IS UV-C?

UV-C is invisible light with a wavelength between 200nm and 280nm in wavelength.
This light has special germicidal properties, which means that UV-C is capable
of inactivating microorganisms such as bacteria, viruses, fungi, and mold. It
has been used since 1910 in wastewater treatment, and since the 1920s and 30s
for air and surface disinfection.

- 02

HOW DOES UV-C DISINFECTION WORK?

UV-C damages the DNA and RNA of microorganisms and disrupts vital cellular
functions, like replication. The germicidal properties of UV-C have been
studied, understood, and proven for over 100 years, and thousands of
peer-reviewed studies proving efficacy have been published to date.

- 03

IS UV-C SAFE TO USE AROUND PEOPLE?

No. UV-C can cause skin and eye irritation if humans are exposed, so the Arc
should only be used in unoccupied rooms. The R-Zero Arc has redundant safety
mechanisms including a pre-cycle countdown to allow operators to leave the room
safely before a cycle begins, and intrusion detection that automatically shuts
the device down if a person enters the room during treatment.

- 04

CAN UV-C PENETRATE GLASS?

No. UV-C cannot penetrate glass, so you can run a disinfection cycle in rooms
that have windows without harming anyone or anything on the other side of the
windows.

- 05

IS UV-C SAFE TO USE IN THE KITCHEN AROUND FOOD? IS IT SAFE TO EAT FOOD THAT’S
BEEN EXPOSED TO UV-C LIGHT?

Yes. Since UV-C is just light, it’s safe to use around food. No harmful
chemicals or pesticides, just naturally occurring light. You can leave an apple
out on the counter, treat the room, then eat the apple immediately afterwards
without risk.

- 01

WHERE DO I POSITION R-ZERO ARC?

We recommend that you locate the device centrally in the room that you’re
treating. If there are large obstructions in the room that may cause shadowing,
we recommend running two shorter (3-5 minute) cycles on either side of the
obstruction for maximum efficacy. Our team of specialists will help you
determine positioning within your space as a part of the onboarding process.

- 02

HOW LONG DOES AN R-ZERO ARC CYCLE TAKE?

Arc can inactivate over 99.99% of certain organisms in a 1,000 square foot space
in about 7 minutes. Larger rooms take slightly longer, while smaller rooms like
hotel rooms, bathrooms, and patient rooms in hospitals can be treated in less
time, typically 3-5 minutes. However, the touch time required is about 2 minutes
per cycle. While a cycle is running, operators can be productive, for example
beginning manual disinfection of the next space.

- 03

HOW MANY R-ZERO ARC DEVICES DO I NEED FOR MY SPACE?

The R-Zero Arc is built to fit seamlessly into the existing operations of your
organization. The size of your space, the desired frequency of disinfection, and
your existing workflows can all inform the number of devices your team needs.
Our sales team can provide recommendations tailored to your unique operational
needs.

- 04

WHAT KIND OF TRAINING DOES MY TEAM NEED?

Onboarding and training with R-Zero’s team of specialists is included with every
purchase. We will teach your team how to use the device safely and effectively,
and also provide support and guidance to help you tell your employees and
patrons that your space employs hospital-grade disinfection. These sessions will
be scheduled after purchase of the device.

- 05

HOW OFTEN DO THE LIGHT BULBS NEED TO BE REPLACED FOR THE R-ZERO ARC?

The bulbs are rated for 16,000 hours, but your lease includes 1 full set of
replacement bulbs per year – 8 bulbs for the device.

- 06

DOES THE R-ZERO ARC PRODUCE OZONE?

No. R-Zero uses bulbs with a special type of glass that blocks the transmission
of the 185nm wavelength of light that typically creates ozone for other UV-C
devices.

- 07

WHAT MICROORGANISMS DOES R-ZERO’S UV-C DEVICE DESTROY?

UV-C has been proven to work on viruses, bacteria, germs, and other
microorganisms, but also on fungi and molds. So not only will the R-Zero Arc
work on the toughest microorganisms, including antibiotic-resistant strains, but
it will also destroy fungi and mold and eliminate the unpleasant smells that
typically accompany mold spores.

- 01

IS R-ZERO VIVE SAFE TO RUN WHILE THE ROOM IS OCCUPIED?

Yes! R-Zero Vive uses a wavelength of 222nm which does not penetrate the outer
layers of the eyes or skin so it’s safe to use in occupied and unoccupied rooms.

- 02

DOES R-ZERO VIVE PRODUCE ANY HARMFUL BYPRODUCTS?

No! R-Zero Vive meets the UL 864 standard for ozone regulation and is designed
to not produce any harmful levels of ozone or other VOCs.

- 03

HOW EFFECTIVE IS R-ZERO VIVE?

R-Zero Vive inactivates 99.9% of many microorganisms in the air and on surfaces.

- 04

HOW MANY DEVICES DO I NEED FOR MY SPACE?

R-Zero Vive works for 169 sq ft per device. Depending on the spaces you are
covering you will need a different number of devices. A layered approach to
disinfection works best.

- 05

HOW IS R-ZERO VIVE INSTALLED?

R-Zero Vive is easily installed into existing 100-240 VAC lighting circuits.

- 06

HOW AND WHEN DO I REPLACE THE BULBS?

Each bulb in R-Zero Vive will last over 1,000 hours of use, regardless of number
of on/off cycles. A notification will be sent to the administrator dashboard
when it’s time to replace them. Replacement bulbs are available through R-Zero
customer service.

- 07

HOW DO I TURN R-ZERO VIVE ON/OFF?

R-Zero Vive uses PIR sensors to turn on when a room is occupied so that it’s
actively disinfecting as air and surfaces are contaminated. It also can be set
through R-Zero Connect to be optimized in terms of energy and number of people
using the room.

- 08

HOW LONG CAN I BE EXPOSED TO R-ZERO VIVE?

The R-Zero Vive emits Far UV light which doesn’t penetrate the outer layers or
skin or eyes, so prolonged exposure is safe for humans. The ACGIH has proposed a
threshold limit value (TLV) for humans of 500mj/cm2 over an 8 hour day, and the
R-Zero Vive irradiates less than 10% of that, well below the proposed TLV.

- 01

IS R-ZERO BEAM SAFE TO RUN WHILE THE ROOM IS OCCUPIED?

Yes! R-Zero Beam has been designed to keep occupants safe from the powerful UV
over their heads. The UV level is maintained below established exposure limits.
Safety information can be monitored through R-Zero Connect.

- 02

DOES R-ZERO BEAM PRODUCE ANY HARMFUL BYPRODUCTS?

No. R-Zero Beam harnesses the power of UV light to disinfect and uses no
chemicals. It produces no Ozone. Additionally, there is no need for potentially
hazardous filter changes.

- 03

HOW EFFECTIVE IS R-ZERO BEAM?

R-Zero Beam can reduce airborne microorganism load in a well-mixed room by up to
99.9% in minutes. This is equivalent to replacing the air in the room with fresh
air 12-16 times per hour. It is effective against a variety of common bacteria
and viruses.

- 04

HOW MANY DEVICES DO I NEED FOR MY SPACE?

R-Zero’s Beam coverage area is 500 ft2. R-Zero’s team of experts will help
determine the layout and positioning that is right for your space, optimizing
safety and efficacy.

- 05

HOW IS R-ZERO BEAM INSTALLED?

R-Zero Beam is designed to be easily installed to the wall or ceiling. It can be
installed directly into 120-240 VAC wiring. R-Zero leverages a network of
trained installers, ensuring that when the installers leave, the system is live.

- 06

HOW DO I TURN R-ZERO BEAM ON AND OFF?

R-Zero Beam employs a PIR sensor to monitor the room and turn the device on
automatically when anyone enters. The fixture then turns off after occupants
leave the room, enabling maximum efficiency. Alternatively, R-Zero Beam can be
operated via R-Zero Connect.

- 07

HOW DOES BEAM IMPACT PLANTS IN THE ROOM?

There are limited scientific studies of UV-C exposure to plants and damage
causing thresholds. R-Zero is currently investigating this topic so that we can
help our customers mitigate any adverse effects to their plants while improving
their indoor air quality.

In general, if your plants are being over exposed, you will start to see mild
yellowing of the leaves.

This damage is reversible, and preventable, and we have found the following best
practices can prevent plant damage:

 1. Avoid having plants above 7’ high in the room, if that is unavoidable, move
    the plants to the adjacent wall the the Beam is mounted on.
 2. Avoid having plants within 8’ of the Vive.
 3. Directly in front of the Beam will have the highest levels of UV-C that may
    be harmful to plants, consider move sensitive species to the sides of the
    room.
 4. Plexiglass or glass barriers block UV-C and can be used to shield plants
    from exposure.

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UV environmental disinfecting is supplemental to, not a replacement for,
physical surface cleaning and is effective only on exposed surfaces and in
circulating air exposed to UV light. R-Zero’s products are not medical devices
and are not intended to diagnose, treat, cure, mitigate or prevent disease, nor
have they been evaluated or cleared by the FDA.
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