BW Technologies HTRAM-V2-W User manual

USER

MANUAL

TRANSMISSION RISK
AIR MONITOR

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USER MANUAL FOR THE
HONEYWELL TRANSMISSION RISK AIR MONITOR

PACKING LIST

Standard package includes
Honeywell Transmission Risk Air Monitor (HTRAM) device X1
User Manual X1 USB cable X1

ADDITIONAL ACCESSORIES AVAILABLE

• AC adapter: HTRAM-AD-USC (USC version),
or HTRAM-AD-EU (EU version) or HTRAM-AD-UK (UK version)

• Wall mount kit (separate instructions provided in kit)

OPERATION

1. HTRAM is a desktop or wall-mounted device. We recommend
to keep it plugged-in so it’s powered by the external USB
charger. There is a rechargeable battery inside that will
supply power for up to 10 hours, but we recommend
keeping the device plugged-in to conserve battery life.

2. Device On/Off: When the device in OFF status, push and hold
button for 3 seconds to turn it on. The device will show information
on the screen. After the initial process (approximately 1 minute),

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the device enters normal status and displays readings. When
the device is in ON status, push and hold top button for 3
seconds to turn it OFF.

USER INTERFACE

Status LEDs

Power
button

SYMBOL

Low/Medium/High

CO₂

400

PPM

LCD screen

Power
input port

FUNCTION

Bluetooth™ icon

Battery capacity level

USB power input, icon will show on screen

Risk level based on multiple factors such as
CO2, Temp, %RH and activity level etc.

CO2 concentration reading

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Low Activity Setting

Medium Activity Setting

High Activity Setting

Custom Setting

18 C

54%RH

- -

Temperature reading, °C or °F

Humidity reading

For the first use/power on, the device will
initially show “- -” for approximately 1 minute

QUICK START GUIDE

Step 1. Make sure you have everything, then charge the
device.

• Make sure these components were in the box. If any are missing,
please contact the company from which you purchased
the device as soon as possible:

Air Monitor USB Cable User Manual

• Connect the microUSB end to the device, and the USB connector

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to a power adapter or computer. Keep plugged-in until fully charged.

• Make sure the working environment is supported by
Bluetooth™ and wireless with Internet access, and a
user-supplied smartphone using Apple iOS or Android™.

R R

Step 2. Power up the device, download the app and
complete the setup:

• Remove the protective film from the monitor display.

• Turn on the Honeywell Transmission Risk Air Monitor by pressing
and holding the “Start” button on the top for five seconds.

• Use a smartphone to download the Honeywell air monitor
app (App name: Transmission Risk Air Monitor). You can
download directly from the Apple™ or Google™ stores, or by
scanning the appropriate QR code shown below if your phone
has a scanning app or embedded capability.

• Launch the app. Then, complete the connection and setup
by following the Bluetooth pairing process in this document.

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HOW TO REGISTER

For individual users with less than 10 devices, we
recommend going through the self-registration process
via the mobile application.

1. Launch the mobile app, and click the“REGISTER” button
and agree to the “Honeywell Data Privacy” notice.

2. Enter your email address and choose the region you
are located in, then click to send the verification code.

3. Check your email for the verification code and enter it on
the mobile app to finish the verification process.

4. Provide your first name and last name, create your
password and complete the self-registration process.

5. Go back to the main screen to login to the mobile app.

For enterprise users with more than 10 devices, we
recommend going through the enterprise registration
process via web portal.

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1. For North American enterprise users, please go to

for EU enterprise users, please go to

2. Click the “REGISTER” button, and agree to the “Honeywell
Data Privacy” notice.

3. Enter the sales order number and click “VERIFY ACCOUNT”
to validate purchase of your devices.

4. Enter your email address and click to send the verification
code.

5. Check your email for the verification code and enter it
on the web portal, then click “NEXT”.

6. Enter the required organization information.

7. Enter the Organization Administrator information and
then click “SUBMIT” to finish the registration process.

HOW TO PAIR YOUR DEVICE

1. Open the App and enable mobile Bluetooth® in the device’s
Settings/Bluetooth.

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2. On the App, click the +Add New icon to add an air
monitor device.

3. Click the Connect icon to pair with the device, the Bluetooth
icon will blink.

4. Confirm the device is ready for pairing: See the icon
blinking. Ensure the device's Bluetooth icon is blinking
on the screen.

5. The app will pop up a window and request the user to
input the PIN CODE shown on the device's screen.

6. If two or more devices' Bluetooth are activated, you can
use the serial number to identify which device is to be
paired. The serial number can be found on the back
side of the device.

7. Input the 6-digit PIN CODE. Then, click Connect.

8. When the Bluetooth icon on the device's screen stops
blinking, pairing is complete.

9. If you are individual user and want to connect the device
via home or open network WI Fi®, please enter the WIFI®
name and password to configure the device network.

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2. On the App, click the +Add New icon to add an air
monitor device.

3. Click the Connect icon to pair with the device, the Bluetooth
icon will blink.

4. Confirm the device is ready for pairing: See the icon
blinking. Ensure the device's Bluetooth icon is blinking
on the screen.

5. The app will pop up a window and request the user to
input the PIN CODE shown on the device's screen.

6. If two or more devices' Bluetooth are activated, you can
use the serial number to identify which device is to be
paired. The serial number can be found on the back
side of the device.

7. Input the 6-digit PIN CODE. Then, click Connect.

8. When the Bluetooth icon on the device's screen stops
blinking, pairing is complete.

9. If you are individual user and want to connect the device
via home or open network WI Fi®, please enter the WIFI®
name and password to configure the device network.

10. If you are an enterprise user and your organization has
secured WIFI® network, please reach out to your
organization's IT personnel to configure the WIFl®
settings for the device network.

Monitors should be placed in the center of activity areas
and should be close to breathing height (approximately

1.5 m, depending on the height or age of the room’s
occupants), out of direct sunlight, and not directly
located near induction units, floor fans, or heaters.
In an organizational setting, e.g. schools, restaurants,
we recommend physically protecting the device by
placing a lock on the device enclosure and enabling
only authenticated access to the secure devices. Ensure
that only authorized personnel have the required keys to
physically access the devices.

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DEVICE INDICATION AND RECOMMENDED ACTIONS

DEVICE INDICATION ¹

GREEN YELLOW RED

Low Activity
Setting² ³

Medium
Activity
Setting² ⁴

High Activity
Setting² ⁵

Custom
Setting

<800ppm

0.043%

infection risk

<700ppm

3.40%

infection risk

<500ppm

7.32%

infection risk

The end user can also choose custom settings on the device to
set the alarm threshold levels based on the user’s parameters
and local, regional and state requirements. Note: If Custom Settings

are used, the user is solely responsible for validating that those
alarm settings meet their specific requirements.

800ppm

0.043%

infection risk

700ppm

3.40%

infection risk

500ppm

7.32%

infection risk

1100ppm

0.051%

infection risk

1000ppm

5.41%

infection risk

800ppm

25.25%

infection risk

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Recommended
Actions

Alarm

1. The HTRAM’s preset PPM measurements for each Activity Level are subjective standards
based on Honeywell’s assessment of U.S. state statutory limits and scientific studies,
including the “2020 COVID-19 Aerosol Transmission Estimator” and the “Exhaled CO2 as
a COVID-19 Infection Risk Proxy for Different Indoor Environments and Activities”
article from the University of Colorado-Boulder (see
https://docs.google.com/spreadsheets/d/16K1OQkLD4BjgB
dO8ePj6ytf-RpPMlJ6aXFg3PrIQBbQ/edit#gid=519189277 and https://
pubs.acs.org/doi/10.1021/acs.estlett.1c00183, respectively) . The user must verify
applicable standards or regulations and adapt the product’s thresholds to such
standards and regulations as required for its usage intended by the user.

2. Please note: A Green designation does not mean no risk for transmission. An increase
from Green to Yellow, Yellow to Red or Green to Red does not indicate a linear increase
in potential transmission risk within one Activity Setting. Any increase in potential
transmission risk across multiple Activity Settings is also not linear. Numerous
factors, including without limitation, interaction among individuals in a room, the
number of infected individuals present, and the wearing of Personal Protective
Equipment (PPE) such as masks and gloves, will affect the potential transmission
risk. Users should not rely solely on this device to make a determination of safety.

3. Percent of infection risk calculation is based on the following assumptions and is
only intended as guidance: Total number of people: 20, Infected: 1; Time duration: 30
mins and room size: 900sqft.

-

-

- Open windows

- Turn on HVAC fan

- Move out of room

- Additional actions
as needed

One beep Two beep

- Ventilate room
immediately

- Reduce activities

- Move out of room

- Additional actions

as needed

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1. The HTRAM’s preset PPM measurements for each Activity Level are subjective standards
based on Honeywell’s assessment of U.S. state statutory limits and scientific studies,
including the “2020 COVID-19 Aerosol Transmission Estimator” and the “Exhaled CO2 as
a COVID-19 Infection Risk Proxy for Different Indoor Environments and Activities”
article from the University of Colorado-Boulder (see
https://docs.google.com/spreadsheets/d/16K1OQkLD4BjgB
dO8ePj6ytf-RpPMlJ6aXFg3PrIQBbQ/edit#gid=519189277 and https://
pubs.acs.org/doi/10.1021/acs.estlett.1c00183, respectively) . The user must verify
applicable standards or regulations and adapt the product’s thresholds to such
standards and regulations as required for its usage intended by the user.

2. Please note: A Green designation does not mean no risk for transmission. An increase
from Green to Yellow, Yellow to Red or Green to Red does not indicate a linear increase
in potential transmission risk within one Activity Setting. Any increase in potential
transmission risk across multiple Activity Settings is also not linear. Numerous
factors, including without limitation, interaction among individuals in a room, the
number of infected individuals present, and the wearing of Personal Protective
Equipment (PPE) such as masks and gloves, will affect the potential transmission
risk. Users should not rely solely on this device to make a determination of safety.

3. Percent of infection risk calculation is based on the following assumptions and is
only intended as guidance: Total number of people: 20, Infected: 1; Time duration: 30
mins and room size: 900sqft.

4. Percent of infection risk calculation is based on the following assumptions and is only
intended as guidance: Total number of people: 20, Infected: 1; Time duration: 45
mins and room size: 900sqft.

5. Percent of infection risk calculation is based on the following assumptions and is
only intended as guidance: Total number of people: 20, Infected: 1; Time duration: 60
mins and room size: 900sqft.

SCENARIO SELECTION

The device has three pre-programmed scenario settings
based on activity levels.

• Low activity: Reading, quietly talking, Breathing rate
(susceptibles): 0.252 m3/h, CO2 emission rate/person:

0.0052 (@ 273 K and 1 atm), Quanta exhalation rate
(infected): 9.4 quanta/h, activity duration for 30 minutes

• Medium activity: Eating, talking loudly, Breathing rate
(susceptibles): 1.2 m3/h, CO2 emission rate/person:

0.012 (@ 273 K and 1 atm), Quanta exhalation rate
(infected): 170 quanta/h, activity duration for 45 minutes

• High activity: Running, jumping, exercising, Breathing
rate (susceptibles): 3 m3/h, CO2 emission rate/person:

0.016 (@ 273 K and 1 atm), Quanta exhalation rate
(infected): 408 quanta/h, activity duration for 60 minutes

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• Other general assumptions from risk estimator can be
found in the below table:

Parameters Value Unit Source

Length of room 30 ft

Width of room

Volume

Height

Pressure 0.95 atm

Temperature

Relative Humidity

Background CO2 Outdoors

Decay rate of the virus default per:https://tinyurl.com/covid-estimator

Deposition to surfaces

Additional control measures

Total N people present

Infected People 1 person

Fraction of population immune

Exhalation mask efficiency

Fraction of people w/ masks 0%

Inhalation mask efficiency

30 ft

900 sq ft

16 ft

20 C

50 %

415 ppm

0.62 h-1

0.3 h-1

0 h-1

20 ft

0%

0%

0%

default per:https://tinyurl.com/covid-estimator

default per:https://tinyurl.com/covid-estimator

default per:https://tinyurl.com/covid-estimator

no mask

no mask

no mask

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Quanta Concentration
initial value

0.00 no virus at the beginning

• The default setting is the low activity setting with the alarm
threshold of 800 ppm for medium and 1100 ppm for high.

DATA HISTORY

1. To review the device’s data history, please click the
“Data History” tab on the mobile app.

2. You can switch among CO2, temperature, and humidity
to view the device’s history. It can be viewed by day,
week, or month.

3. The device’s maximum data storage is approximately
90 days. It will only keep the most recent 90 days
worth of data.

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DEVICE DEFAULT SETTINGS

• Temperature unit: Select your regional temperature
measurement unit on your mobile phone app and it
will be displayed on the device screen as °C or °F.

• Alarm sound: Users may enable or disable the device’s buzzer
function. When the device’s alarm sound is enabled, the
buzzer will beep at medium or high alarm. When the alarm is
sound disabled, the buzzer will not beep when medium or
high alarm is triggered.

• Turn off display: users can turn off display on the mobile
app. When display is off, users can wake up the device
by pushing the top button. Then the display will auto
off in 2 minutes.

HTRAM SPECIFICATIONS

SPECIFICATIONS

PARAMETERCHARACTERISTIC

Dimensions (H × W × D) 80 mm × 80 mm × 22 mm [3.1 in × 3.1 in × 0.87 in]

Weight 140g

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Housing materials Aluminum alloy

Display TFT

Input voltage 5 V

Input current 1 A

Battery Lithium-ion rechargeable battery 10-hour battery time

Battery capacity 2,600 mAh

Operating temperature and
humidity

USB port Micro USB

0°C to 40°C, 0% RH to 90% RH

* The Honeywell Transmission Risk Air Monitor (HTRAM)
analyzes specific air quality conditions and alerts the
user when conditions are present that may increase risk
of potential exposure to airborne viral transmission. It
does not prevent or reduce virus transmission nor mitigate
viruses that may be present, nor does it detect or warn
against the presence of any virus, including but not
limited to COVID-19. Even at lower risk levels caution is

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required to prevent viral transmission. The HTRAM does
not repel or destroy any microorganism, viruses, bacteria,
or germs.

• It is buyer’s sole responsibility (1) to determine the suitability
of the HTRAM for use in its application; (2) to operate
the HTRAM in accordance with the User Manual and
any other instructions provided by Honeywell and in
compliance with all applicable laws, rules and regulations;
and (3) to determine, based on buyer’s experience, expertise,
and other available tools, the suitability of any product
or service it may offer or recommend to the end user.

• Buyer is responsible for determining whether the product
is appropriate for use under certain international, federal,
state or local guidelines, and is likewise responsible for
determining whether the HTRAM qualifies for any
government programs, including without limitation,
reimbursement plans.

• Any recommendations or assistance provided by Honeywell
regarding the use or operation of the HTRAM – through
our literature, the Honeywell web site, or otherwise – shall
not be construed as representations or warranties of

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any kind, express or implied, and such information is
accepted at buyer’s own risk and without any obligation
or liability to Honeywell.

• The information we supply in this data sheet is believed
to be accurate and reliable as of this writing. However,
specifications may change without notice, and Honeywell
assumes no responsibility for its use.

• The HTRAM does not detect for levels of CO2 that would
make for an unsafe or unsuitable breathing environment.

WARRANTY

• Under normal use and maintenance that is consistent
with Honeywell manuals and instructions, Honeywell
warrants that, for a period of one (1) year from the date
of purchase, all components of this product, except
software and software components, shall be free from
faulty workmanship and defective materials. The software
and software components, including any documentation
designated by Honeywell for use with such software or
software components, are provided “AS IS.”

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• These warranties do not apply if the claimed defect or
nonconformity is due to accident, misuse, neglect; or
improper shipping or handling, installation, or testing;
or any failure of electrical power, air conditioning, or
humidity control. This warranty is valid only if the product
has not been tampered with or serviced by any party
not authorized by Honeywell.

• If during the one-year warranty, the customer notifies
Honeywell in writing of any alleged defect within 30
days of discovery, and it is determined by Honeywell
that any component of the product, except software
components, is defective due to faulty workmanship
or defective materials, then Honeywell shall repair or
replace such Product at Honeywell’s sole discretion.
Repair or replacement of a product (or any part thereof)
does not extend the warranty period for such product.
Products which have been repaired or replaced during
the warranty period are warranted for the remainder
of the unexpired portion of the original warranty period.

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• In case of non-conforming products, users may return
such product to the distributor where they made the
original purchase.

• Honeywell shall not be responsible for any loss or
damage of any form, including any accidental or necessary
direct or indirect loss as a result of breach of any warranty
or any other acts that damage the product.

• These explicit warranties are the only warranties provided
by Honeywell with respect to the product and are in
lieu of all other warranties, express or implied. Any implied
warranty or guarantee, including merchantability,
fitness for a particular purpose, and non-infringement
of third party rights, shall not apply.

• This warranty only applies to the main unit of the product,
and does not cover the package, manuals, consumables,
or other components susceptible to damage or consumption
or which have a normal life inherently shorter than the
foregoing warranty period.

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• Customers wanting additional warranty beyond the standard
one-year warranty offered by Honeywell have the option to
purchase a 2-year extended warranty when purchasing the
product. Any such extended warranty shall only extend the
timeframe of the warranty terms above from three years from
the date of purchase, and shall not provide any additional
warranty or guarantee, express or implied.

DISPOSAL

This product contains a lithium-ion battery and alumi­num alloy materials. Upon receipt of the product, the
customer is responsible for proper use, transport,
storage and disposal of the product based on the battery
and material type, including but not limited to applicable
governmental requirements for proper disposal

CAUTION

Risk of explosion if battery is replaced by an incorrect
type. Dispose of used batteries according to the instructions.

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MANUFACTURER CERTIFICATE

Honeywell Safety and Productivity Solutions certifies that
the CO2 sensor in Honeywell Transmission Risk Air
Monitor (HTRAM) device is maintenance-free in normal
indoor environments. No calibration at end user is
needed. The accuracy of the sensor is +/- 50ppm at
1000ppm CO2.

SIMPLIFIED EU DECLARATION OF CONFORMITY

Hereby, Honeywell Safety and Productivity Solutions
declare that the radio equipment type HTRAM-V2-W is in
compliance with Directive 2014/53/EU. The full text of
the EU declaration of conformity is available at the
following internet address:

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Operating Frequency: 2400-2483.5 MHz (Bluetooth):
<20 dBm EIRP; 2400-2483.5 MHz (WLAN IEEE

802.11b/g/n): <20 dBm EIRP.

This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received,
including interference that may cause undesired operation.

SIMPLIFIED UK DECLARATION OF CONFORMITY

Hereby, Honeywell Safety and Productivity Solutions

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declare that the radio equipment type HTRAM-V2-W is in
compliance with UK radio equipment regulation. The full
text of the UK declaration of conformity is available at the
following internet address:

RECHARGEABLE LI-ION BATTERY

Nominal Voltage: 3.6V
Rated Capacity: 2480 mAh/8.93Wh
Typical Capacity: 2600 mAh/9.36Wh
Limited Charging Voltage: 4.2V
Manufacturer: SCUD (Fujan) Electronics Co., Ltd.
Red Wire: (+) Black wire: (-)
Made in China

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WARNING: TO PREVENT INJURY, DO NOT
DISASSEMBLE,PUNCTURE, CRUSH, HEAT, OR BURN

Use the authorized charger only. Never disassemble by
yourself. Never short-circuit the battery. Dispose of the
battery properly. Exposing the battery to an open flame
could cause an explosion.

802.11 CAUTION

Users are responsible for configuring the channels of
operation that comply with their country regulatory
standards. A Wireless Network Administrator should
review the operationg restrictions for the access point.

Strangulation HAZARD: Children have STRANGLED
in cords. Keep this cord out of reach of children (more than

3 ft (1m) away). Do not use with an extension cord.

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ATTENTION

• To better reflect the air environment, Honeywell
recommends continuously monitoring indoor air using
the HTRAM. It is recommended that the device runs for
24 hours for the first time until it is fully charged and
initialized.

• For safety and battery performance, the device can only
charge the battery indoors in a 0°C to 40°C [32°F to 104°F]
temperature range. The charging time from empty to full
battery is approximately 6 hours. During charging, the
device surface will have a slight temperature rise.

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