Monnit CO2 User Manual
by
ALTA Wireless
Carbon Dioxide Sensor
User Guide
Table of Contents
I. ABOUT THE WIRELESS CO2 SENSOR
ALTA WIRELESS CO
SENSOR FEATURES 1
2
EXAMPLE APPLICATIONS 1
II. SENSOR SECURITY
SENSOR COMMUNICATION SECURITY
DATA SECURITY ON THE GATEWAY
iMONNIT SECURITY 2
III. ORDER OF OPERATIONS
SET-UP STEPS
IV. REGISTRATION
REGISTERING AN CO
IV. SETTING UP THE CO
SENSOR
2
SENSOR
2
INSTALLING BATTERIES
ANTENNA ORIENTATION
V. SENSOR OVERVIEW
MENU SYSTEM
SUPPORT
WARRANTY INFORMATION
CERTIFICATIONS 15
1
2
2
2
3
3
4
4
5
5
6
7
7
13
13
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I. ABOUT THE WIRELESSS CO2 SENSOR
The ALTA Wireless Carbon Dioxide (CO2) Sensor measures the amount of CO2 in the
ambient air surrounding the element. It is programmed to take readings at a set interval
to accurately calculate CO2 levels, then send the time-stamped data to the iMonnit Online
Sensor Monitoring and Notication System at user-specied time intervals (sensor
heartbeat). The CO2 data can be reviewed and exported as a data sheet or graph and
notications can be set up through the online system to alert the user when dened
thresholds have been met or exceeded.
ALTA WIRELESS CO SENSOR FEATURES
• Wireless range of 1,200+ feet through 12+ walls *
• Frequency-Hopping Spread Spectrum (FHSS)
• Interference immunity
• Power management for longer battery life **(12+ years on AA batteries)
• Encrypt-RF
data messages)
• Onboard data memory stores up to hundreds of readings per sensor:
- 10-minute heartbeats = 3.5 days
- 2-hour heartbeats = 42 days
• Over-the-air updates (future proof)
• Free iMonnit basic online wireless sensor monitoring and notication system to
congure sensors, view data and set alerts via SMS text and email
* Actual range may vary depending on environment.
** Battery life is determined by sensor reporting frequency and other variables. Other power options are also
available.
EXAMPLE APPLICATIONS
• Indoor air quality
• Greenhouses
• Cellar and gas stores
• Marine vessels
• Modied atmospheres
• Landll gas
• Conned spaces
• Cryogenics
• Ventilation management
• Many additional applications
®
Security (Die-Hellman Key Exchange + AES-128 CBC for sensor
PAGE 1
II. SENSOR SECURITY
The ALTA Wireless CO2 Sensor has been designed and built to securely manage data
from sensors monitoring your environment and equipment. Hacking from botnets are in the
headlines, Monnit Corporation has taken extreme measures to ensure your data security is
handled with the utmost care and attention to detail. The same methods utilized by nancial
institutions to transmit data are also used in Monnit security infrastructure. Security features
of the gateway include tamper proof network interfaces, data encryption, and bank-grade
security.
Monnit’s proprietary sensor protocol uses low transmit power and specialized radio
equipment to transmit application data. Wireless devices listening on open communication
protocols cannot eavesdrop on sensors. Packet level encryption and verication is key
to ensuring trac isn’t altered between sensors and gateways. Paired with best-in-class
range and power consumption protocol, all data is transmitted securely from your devices.
Thereby ensuring a smooth, worry-free, experience.
SENSOR COMMUNICATION SECURITY
Monnit sensor to gateway secure wireless tunnel is generated using ECDH-256 (Elliptic
Curve Die-Hellman) public key exchange to generate a unique symmetric key between
each pair of devices. Sensors and gateways use this link specic key to process packet
level data with hardware accelerated 128-bit AES encryption which minimizes power
consumption to provide industry best battery life. Thanks to this combination, Monnit
proudly oers robust bank-grade security at every level.
DATA SECURITY ON THE GATEWAY
The ALTA gateways are designed to prevent prying eyes from accessing the data that is
stored on the sensors. Gateways do not run on an o the shelf multi-function OS (operating
system). Instead they run a purpose specic real-time embedded state machine that cannot
be hacked to run malicious processes. There are also no active interface listeners that
can be used to gain access to the device over the network. The fortied gateway secures
your data from attackers and secures the gateway from becoming a relay for malicious
programs.
iMONNIT SECURITY
iMonnit is the online software and central hub for conguring your device settings. All
data is secured on dedicated servers operating Microsoft SQL Server. Access is granted
through the iMonnit user interface, or an Application Programming Interface (API)
safeguarded by 256-bit Transport Layer Security (TLS 1.2) encryption. TLS is blanket of
protection to encrypt all data exchanged between iMonnit and you. The same encryption
is available to you whether you are a Basic user of Premiere user of iMonnit. You can rest
assured that your data is safe with iMonnit.
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III. ORDER OF OPERATIONS
It is important to understand the order of operations for activating your ALTA CO2 Sensor.
If done out of place, your meter may have trouble communicating with iMonnit. Please
consult the steps below to make sure you are performing your setup correctly.
SET UP STEPS
1. Register your gateway on iMonnit.
Your gateway must be registered rst to verify communication between the device and
iMonnit. Any sensors or meters you wish to add onto your network must come after the
gateway.
2. Register your Temperature Sensor on iMonnit.
After you’ve registered your gateway, it’s time to add your CO2 Sensor to the iMonnit
account.
3. Install batteries in your meter.
After your sensor is added and your gateway is communicating with iMonnit, you can install
the batteries. Your CO
4. Mount your sensor.
Place your sensor in the desired spot using screws or double-sided tape. Make sure you
have the correct antenna orientation to receive a strong signal.
Each of these steps are covered in more detail in the following sections.
Sensor runs on AA batteries.
2
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IV. REGISTRATION
If this is your rst time using the iMonnit online portal, you will need to create a new
account. If you have already created an account, start by logging in. For instructions on
how to register for an iMonnit account, please consult the iMonnit User Guide viewable at
monnit.com/support/documentation.
REGISTERING THE CO2 SENSOR
You will need to enter the Device ID and the Security Code from your CO2 Sensor in the
corresponding text boxes. Use the camera on your smartphone to scan the QR code on
your sensor and gateway. If you do not have a camera on your phone, or the system is not
accepting the QR code, you may enter the Device ID and Security Code manually.
• The Device ID is a unique number located on each device label.
• Next you’ll be asked to enter the Security Code (SC) on your device. A security
code will be all letters and must be entered in upper case, no numbers. It can also
be found on the barcode label of your gateway.
When completed, select the “Submit” button.
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