Monnit ALTA Wireless Temperature Sensor User manual

by
ALTA Wireless Water Temperature
User Guide

I. ABOUT THE WIRELESS WATER TEMPERATURE SENSOR
Table of Contents
I. ABOUT THE WIRELESS WATER TEMPERATURE SENSOR 1
ALTA WIRELESS WATER TEMPERATURE SENSOR FEATURES 1
EXAMPLE APPLICATIONS 1
2
2
IV. REGISTRATION
REGISTERING A WATER TEMPERATURE SENSOR
IV. SETTING UP THE WATER TEMPERATURE SENSOR
INSTALLING BATTERIES
V. SENSOR OVERVIEW
MENU SYSTEM
SUPPORT
WARRANTY INFORMATION
PAGE II PAGE 1
2
3
3
4
4
7
ALTA WIRELESS WATER TEMPERATURE 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® Security (Di󰀩e-Hellman Key Exchange + AES-128 CBC for sensor
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 notication system to
congure 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
• Water/liquid storage tanks
• Manufacturing processes
• Swimming pools
• Aquariums
Many additional applications.
II. SENSOR SECURITY
SENSOR COMMUNICATION SECURITY
DATA SECURITY ON THE GATEWAY
iMONNIT SECURITY 2
5
ANTENNA ORIENTATION
5
15
15
CERTIFICATIONS 17
III. ORDER OF OPERATIONS
SET-UP STEPS
6
7
Industry leading 25 month NIST certied product included on leaded temperature sensors.
The ALTA Wireless Water Temperature Sensor uses a sealed, type NTC thermistor with 3 ft
lead wires to measure water temperature.
• Accurate to ± 1° C (± 1.8° F)
• Increased accuracy by user calibration to ± 0.25° C (± 0.45° F)
• Probe temperature range of -40°C to +100°C (-40°F to +212°F)
• Sealed, 3 ft leaded wires
The ALTA Wireless Water Temperature Sensor can collect temperature data of water
or other non-combustible liquids using a sealed NTC thermistor with 3 foot lead wires.
The sensor is programmed to sleep for a user dened time interval (heartbeat) and
then wakeup, send power to the NTC Thermistor and wait for it to stabilize, and convert
the analog data, mathematically compute the temperature and transmit the data to the
gateway. To stay within the abilities of the processor, the temperature is computed o󰀨 a
data table provided by the manufacturer. Temperature data can be displayed in degrees
Fahrenheit or Celsius.

iMONNIT SECURITY
iMonnit is the online software and central hub for conguring 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.
PAGE 2
II. SENSOR SECURITY
The ALTA Wireless Water Temperature 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 verication is key
to ensuring tra󰀩c 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 Di󰀩e-Hellman) public key exchange to generate a unique symmetric key between
each pair of devices. Sensors and gateways use this link specic 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 o󰀨ers 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 specic 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 fortied gateway secures
your data from attackers and secures the gateway from becoming a relay for malicious
programs.
III. ORDER OF OPERATIONS
It is important to understand the order of operations for activating your ALTA Water Temperature
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 Water Temperature Sensor on iMonnit.
After you’ve registered your gateway, it’s time to add your Water Temperature Sensor to the
iMonnit account.
3. Install batteries in your sensor.
After your sensor is added and your gateway is communicating with iMonnit, you can install the
batteries. Your Water Temperature Sensor will either take coin-cell, AA batteries or Industrial
batteries, depending on the type.
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.
PAGE 3

IV. REGISTRATION
PAGE 4
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 WATER TEMPERATURE SENSOR
You will need to enter the Device ID and the Security Code from your Water Temperature
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.
V. SETTING UP YOUR WATER TEMPERATURE SENSOR
When you are nished adding the sensor to your account, the next step is to insert the
battery. The type of battery you use will depend on the category of your sensor. ALTA
Wireless Water Temperature Sensors will either be powered by commercial coin cell, AA,
or an industrial battery.
PAGE 5
INSTALLING BATTERIES
ALTA commercial sensors are powered by AA or CR2032 coin cell batteries. Industrial
sensors need a 3.6V Lithium battery supplied from Monnit or another industrial battery
supplier. Monnit encourages customers to recycle all old batteries.
Coin Cell
The lifespan of a standard CR2032 coin cell battery in an
ALTA Water Temperature Sensor is 3+ years.
Install a coin cell battery by rst taking the sensor and
pinching the sides of the enclosure. Gently pull up the
enclosure, separating the sensor from its base. Then
slide a new CR2032 coin cell battery with the positive
side facing toward the base. Press the enclosure back to
together; you’ll hear a small click.
Lastly, open iMonnit select Sensors from the navigation menu. Verify that iMonnit is show-
ing the sensor has a full battery level.
Pull
(sensor away from base)
Pinch
(press in on the sides)
Press
(sensor back into base)
CR2032 BATTERY
+
_
CR2032 BATTERY
AA Batteries
The standard version of this sensor is powered by two
replaceable 1.5 V AA sized batteries (included with
purchase). The typical battery life is 10 -12 years.
This sensor is also available with a line power option.
The line powered version of this sensor has a barrel
power connector allowing it to be powered by a
standard 3.0–3.6 V power supply. The line powered
version also uses two standard 1.5 V AA batteries as
backup for uninterrupted operation in the event of line
power outage.
Power options must be selected at time of purchase, as the internal hardware of the sensor
must be changed to support the selected power requirements.
Place batteries in the device by rst taking the sensor and sliding the battery door open. Insert
fresh AA batteries in the carriage, then shut the battery door.
Complete the process by opening up iMonnit and selecting Sensors from the main navigation
menu. Verify that iMonnit is showing the sensor has a full battery level.

ANTENNA ORIENTATION
In order to get the best performance out of your ALTA Wireless Sensors, it is important to
note proper antenna orientation and sensor positioning. Antennas should all be oriented in
the same direction, pointing vertically from the sensor. If the sensor is mounted at on its
back on a horizontal surface, you should bend the antenna as close to the sensor housing
as possible giving you the most amount of antenna pointing vertical. You should make the
antenna wire as straight as possible, avoiding any kinks and curving of the wire. Sensors
must be at least 3 ft. away from other sensors and the wireless gateway to function.
More Signal
Less Signal
PAGE 7
In order for the sensor to function properly, you will need to attach the included antenna.
Simply screw the antenna onto the barrel connector on the top of the device. Make sure
the antenna connection is snug, but do not over tighten. When placing the sensor, make
sure to mount the sensor with the antenna oriented straight up (vertical) to ensure the best
wireless radio signal.
Since the electronics are sealed within the sensor housing, we have added an "On/O󰀨"
switch to the unit for your convenience. If you are not using the sensor, simply leave the
button in the o󰀨 position to preserve battery life. If the sensor needs to be reset for any
reason, you can simply cycle the power by turning the switch to the "O󰀨" position and
waiting 30 seconds before powering back on. MOUNTING THE SENSOR
PAGE 6
Industrial Batteries
3.6V Lithium batteries for the Industrial Wireless Water Sensor
is supplied by Monnit. The ALTA battery life for the Industrial
battery is 10 – 12 years.
The Industrial sensor does not need to have batteries installed.
The batteries are already in the sensors when they are
shipped.
Open iMonnit and select Sensors from the main navigation
menu. Verify that iMonnit is showing the sensor has a full
battery level.
Monnit wireless water temperature sensors
monitor the ambient temperature around
the sensor. Monnit wireless sensors feature
mounting anges and can be attached to most
surfaces using the included mounting screws or
double-sided tape.

PAGE 8
VI. SENSOR OVERVIEW
Select Sensors from the main navigation menu on iMonnit to access the sensor overview
page and begin making adjustments to your Water Temperature Sensors.
MENU SYSTEM
Details - Displays a graph of recent sensor data.
History - List of all past heartbeats and readings.
Events - List of all events attached to this sensor.
Settings - Editable levels for your sensor.
Calibrate - Reset readings for your sensor.
Details View
The Details View will be the rst page you see upon selecting which sensor you would like
to modify.
Readings View
Selecting the “Readings” tab within the tab bar allows you to view the sensor’s data history
as time stamped data.
• On the far right of the sensor history data is a cloud icon. Selecting this
icon will export an excel le for your sensor into your download folder.
Note: Make sure you have the date range for the data you need input in the “From” and “To” text boxes. This will be
the most recent week by default. Only the rst 2,500 entries in the selected date range will be exported.
The data le will have the following elds:
MessageID: Unique identier of the message in our database.
Sensor ID: If multiple sensors are exported you can distinguish which reading was from
which using this number even if the names for some reason are the same.
Sensor Name: The name you have given the sensor.
Date: The date the message was transmitted from the sensor.
Value: Data presented with transformations applied but without additional labels.
Formatted Value: Data transformed and presented as it is shown in the monitoring portal.
Battery: Estimated life remaining of the battery.
Raw Data: Raw data as it is stored from the sensor.
Sensor State: Binary eld represented as an integer containing information about the state
or the sensor when the message was transmitted. (See “Sensor State Explained” below).
Gateway ID: The Identier of the gateway that relayed the data from the sensor.
Alert Sent: Boolean indicating if this reading triggered a notication to be sent from the
system.
Signal Strength: Strength of communication signal between the sensor and the gateway,
shown as percentage value.
PAGE 9
Scale - Change the scale of readings for your sensor.
Directly under the tab bar is an overview of your sensor. This allows you to see the signal
strength and the battery level of the selected sensor. A colored dot in the left corner of the
sensor icon denotes its status:
• Green indicates the sensor is checking in and within user dened safe parameters.
• Red indicates the sensor has met or exceeded a user dened threshold or
triggered event.
• Gray indicates that no sensor readings are being recorded, rendering the sensor
inactive.
• Yellow indicates that the sensor reading is out of date, due to perhaps a missed
heartbeat check-in.
A. The sensor overview section will be above every page.
This will consistently display the present reading, signal
strength, battery level, and status.
B. The Recent Readings section below the chart shows
your most recent data received by the sensor.
C. This graph charts how the sensor uctuates throughout
a set date range. To change the date range displayed in the
graph, navigate up to the top of the Readings Chart section
on the right-hand corner to change the from and/or to date.

Voltage: Actual voltage measured at the sensor battery used to calculate battery percentage,
similar to Received Signal you can use one or the other or both if they help you.
State
The integer presented here is generated from a single byte of stored data. A byte consists
of 8 bits of data that we read as Boolean (True (1)/False (0)) elds.
Using a temperature sensor as an example.
If the sensor is using factory calibrations the Calibrate Active eld is set True (1) so the bit
values are 00010000 and it is represented as 16.
If the sensor is outside the Min or Max threshold, the Aware State is set True (1) so the bit
values are 00000010 and it is represented as 2.
If the customer has calibrated the sensor this eld the Calibrate Active eld is set False
(0) AND the sensor is operating inside the Min and Max Thresholds, the bits look like
00000000 this is represented as 0.
If the sensor is using factory calibrations and it is outside the threshold the bit values are
00010010 and it is represented as 18 (16 + 2 because both the bit in the 16 value is set
and the bit in the 2 value is set).
Note: These two are the only bits that typically observed outside of our testing procedures.
PAGE 10
Settings View
To edit the operational settings for a sensor, choose the “Sensor” option in the main
navigation menu then select the “Settings” tab to access the conguration page.
PAGE 11
The default heartbeat interval is 120 minutes or two hours. It is recommended that you do
not lower your heartbeat level too much because it will drain the battery.
Finish by selecting the “Save” button.
A. Sensor Name is the unique name you give
the sensor to easily identify it in a list and in any
notications.
B. Heartbeat Interval is how often the sensor
communicates with the gateway if no activity is
recorded.
C. Aware State Heartbeat is how often the sensor
communicates with the gateway while in an Aware
State.
D. Assessments per Heartbeat is how many
times between heartbeats a sensor will check its
measurements against its thresholds to determine
whether it will enter the Aware State.
E. Below is the lowest allowable temperature
threshold.
F. Above is the highest allowable temperature
threshold.
G. Aware State Bu󰀨er is a bu󰀨er to prevent the
sensor from bouncing between Standard Operation
and Aware State when the assessments are very
close to a threshold.
H. Synchronize is a setting that in small sensor networks synchronizes communication.
The default setting OFF allows the sensors to randomize their communications therefore
maximizing communication robustness. Setting this will synchronize the communication of
the sensors.
I. Failed transmissions before link mode is the number of transmissions the sensor
sends without response from a gateway before it goes to battery saving link mode. In link
mode, the sensor will scan for a new gateway and if not found will enter battery saving
sleep mode for up to 60 minutes before trying to scan again. Lower numbers will allow
sensors to nd new gateways with fewer missed readings. Higher numbers will enable the
sensor to remain with its current gateway in a noisy RF environment better (Zero will cause
the sensor to never join another gateway to nd a new gateway, the battery will have to be
cycled out of the sensor.)

Calibrate View
If a sensor type has readings that need to be reset, the “Calibrate” tab will be available for
selection in the sensor tab bar.
To calibrate a sensor, you will want to ensure that the environment of the sensor and other
calibration device is stable. Note the “Expected Next Check-in” time for the sensor you
are calibrating and take a reading from your calibration device a few minutes prior to the
sensors next check-in.
Enter the actual (accurate) reading from the calibration device into the text eld. If you need
to change the unit of measurement you can do that here.
Press “Calibrate”.
To ensure that the calibration command is received prior to the sensors next check-in,
press the control button on the back of the gateway, once, to force communication (Cellular
and Ethernet gateways).
After pressing the "Calibrate" button and choosing the gateway button, the server will send
the command to calibrate the specied sensor to the gateway. When the sensor checks-in,
it will send the pre-calibration reading to the gateway, then receive the calibration command
and update it’s conguration. When the process is completed, it will send a “Calibration
Successful” message. The server will display the sensor’s last pre-calibrated reading for
this check-in, then all future readings from the sensor will be based on the new calibration
setting.
It is important to note that after calibrating the sensor, the sensor reading returned to the
server is based on pre-calibration settings. The new calibration settings will take e󰀨ect on
the next sensor heartbeat.
Note: If you would like to send the changes to the sensor right away, please remove the battery(s) for a full 60
seconds, then re-insert the battery(s). This forces the communication from the sensor to the gateway and this the
message to make a change from the gateway back to the sensor. (If the sensors are industrial sensors, turn the
sensor o󰀨 for a full minute, rather than removing the battery).
Creating a Calibration Certicate
Creating a sensor calibration certicate will mask the calibration tab from those who should
not have permissions to adjust these settings. Permissions for self-certifying a calibration
must be enabled in user permissions.
Directly below the calibrate button is the selection to "Create Calibration Certicate.
A. The Calibration Facility Field will be lled. Select the drop-down menu to change your
facility.
B. The date for "Certicate Valid Until" must be set one day in the future after the date
contained in the "Date Certied" eld.
C. "Calibration Number" and "Calibration Type" are unique values to your certicate.
D. Choose the "Save" button before moving on.
When the new certicate is accepted, the Calibration tab will change to a Certicate tab.
You will still be able to edit the certicate by choosing the Certicate Tab and navigating
down to "Edit Calibration Certicate."
The tab will revert back to "Calibrate" after the period for the certicate ends.
PAGE 12 PAGE 13

SUPPORT
For technical support and troubleshooting tips please visit our support library online at
monnit.com/support/. If you are unable to solve your issue using our online support, email
Monnit support at [email protected] with your contact information and a description of
the problem, and a support representative will call you within one business day.
For error reporting, please email a full description of the error to [email protected].
WARRANTY INFORMATION
(a) Monnit warrants that Monnit-branded products (Products) will be free from defects
in materials and workmanship for a period of one (1) year from the date of delivery with
respect to hardware and will materially conform to their published specications for a period
of one (1) year with respect to software. Monnit may resell sensors manufactured by other
entities and are subject to their individual warranties; Monnit will not enhance or extend
those warranties. Monnit does not warrant that the software or any portion thereof is error
free. Monnit will have no warranty obligation with respect to Products subjected to abuse,
misuse, negligence or accident. If any software or rmware incorporated in any Product
fails to conform to the warranty set forth in this Section, Monnit shall provide a bug x or
software patch correcting such non-conformance within a reasonable period after Monnit
receives from Customer (i) notice of such non-conformance, and (ii) su󰀩cient information
regarding such non-conformance so as to permit Monnit to create such bug x or software
patch. If any hardware component of any Product fails to conform to the warranty in this
Section, Monnit shall, at its option, refund the purchase price less any discounts, or repair
or replace nonconforming Products with conforming Products or Products having substan-
tially identical form, t, and function and deliver the repaired or replacement Product to a
carrier for land shipment to customer within a reasonable period after Monnit receives from
Customer (i) notice of such non-conformance, and (ii) the non-conforming Product provid-
ed; however, if, in its opinion, Monnit cannot repair or replace on commercially reasonable
terms it may choose to refund the purchase price. Repair parts and replacement Products
may be reconditioned or new. All replacement Products and parts become the property of
Monnit. Repaired or replacement Products shall be subject to the warranty, if any remains,
originally applicable to the product repaired or replaced. Customer must obtain from Monnit
a Return Material Authorization Number (RMA) prior to returning any Products to Monnit.
Products returned under this Warranty must be unmodied.
Customer may return all Products for repair or replacement due to defects in original
materials and workmanship if Monnit is notied within one year of customer’s receipt of the
product. Monnit reserves the right to repair or replace Products at its own and complete dis-
cretion. Customer must obtain from Monnit a Return Material Authorization Number (RMA)
prior to returning any Products to Monnit. Products returned under this Warranty must be
unmodied and in original packaging. Monnit reserves the right to refuse warranty repairs
or replacements for any Products that are damaged or not in original form. For Products
outside the one year warranty period repair services are available at Monnit at standard
labor rates for a period of one year from the Customer’s original date of receipt.
(b) As a condition to Monnit’s obligations under the immediately preceding paragraphs,
Customer shall return Products to be examined and replaced to Monnit’s facilities, in
shipping cartons which clearly display a valid RMA number provided by Monnit. Customer
acknowledges that replacement Products may be repaired, refurbished or tested and found
to be complying. Customer shall bear the risk of loss for such return shipment and shall
bear all shipping costs. Monnit shall deliver replacements for Products determined by Mon-
nit to be properly returned, shall bear the risk of loss and such costs of shipment of repaired
Products or replacements, and shall credit Customer’s reasonable costs of shipping such
returned Products against future purchases.
PAGE 15
Scale View
If the sensor settings are inuenced by temperature, the scale option will be available in the
tab bar. To change the temperature unit of measurement from Fahrenheit to Celsius or vice
versa, select the Scale tab.
Choose the text box to trigger a pop-up window allowing you to change the scale. Select
the scale you prefer and push “Set.”
Press the “Save” button to complete your adjustment.
PAGE 14

(c) Monnit’s sole obligation under the warranty described or set forth here shall be to repair
or replace non-conforming products as set forth in the immediately preceding paragraph, or
to refund the documented purchase price for non-conforming Products to Customer. Mon-
nit’s warranty obligations shall run solely to Customer, and Monnit shall have no obligation
to customers of Customer or other users of the Products.
Limitation of Warranty and Remedies.
THE WARRANTY SET FORTH HEREIN IS THE ONLY WARRANTY APPLICABLE TO
PRODUCTS PURCHASED BY CUSTOMER. ALL OTHER WARRANTIES, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
DISCLAIMED. MONNIT’S LIABILITY WHETHER IN CONTRACT, IN TORT, UNDER ANY
WARRANTY, IN NEGLIGENCE OR OTHERWISE SHALL NOT EXCEED THE PURCHASE
PRICE PAID BY CUSTOMER FOR THE PRODUCT. UNDER NO CIRCUMSTANCES
SHALL MONNIT BE LIABLE FOR SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAG-
ES. THE PRICE STATED FOR THE PRODUCTS IS A CONSIDERATION IN LIMITING
MONNIT’S LIABILITY. NO ACTION, REGARDLESS OF FORM, ARISING OUT OF THIS
AGREEMENT MAY BE BROUGHT BY CUSTOMER MORE THAN ONE YEAR AFTER
THE CAUSE OF ACTION HAS ACCRUED.
IN ADDITION TO THE WARRANTIES DISCLAIMED ABOVE, MONNIT SPECIFICALLY
DISCLAIMS ANY AND ALL LIABILITY AND WARRANTIES, IMPLIED OR EXPRESSED,
FOR USES REQUIRING FAIL-SAFE PERFORMANCE IN WHICH FAILURE OF A PROD-
UCT COULD LEAD TO DEATH, SERIOUS PERSONAL INJURY, OR SEVERE PHYSICAL
OR ENVIRONMENTAL DAMAGE SUCH AS, BUT NOT LIMITED TO, LIFE SUPPORT OR
MEDICAL DEVICES OR NUCLEAR APPLICATIONS. PRODUCTS ARE NOT DESIGNED
FOR AND SHOULD NOT BE USED IN ANY OF THESE APPLICATIONS.
PAGE 16
CERTIFICATIONS
United States FCC
This equipment has been tested and found to comply with the limits for a Class B digital
devices, pursuant to Part 15 of the FCC Rules. These limits are designed to provide rea-
sonable protection against harmful interference in a residential installation. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to radio commu-
nications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television recep-
tion, which can be determined by turning the equipment o and on, the user is encouraged
to try to correct the interference by one of more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver
• Connect the equipment into an outlet on a circuit dierent from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Warning: Changes or modications not expressly approved by Monnit could void
the user’s authority to operate the equipment.
RF Exposure
WARNING: To satisfy FCC RF exposure requirements for mobile
transmitting devices, the antenna used for this transmitter must not be
co-located in conjunction with any antenna or transmitter.
Monnit and ALTA Wireless Sensors:
This equipment complies with the radiation exposure limits prescribed for an uncontrolled
environment for xed and mobile use conditions. This equipment should be installed and
operated with a minimum distance of 23 cm between the radiator and the body of the user
or nearby persons.
All ALTA Wireless Sensors Contain FCC ID: ZTL-G2SC1. Approved Antennas
ALTA devices have been designed to operate with an approved antenna listed below, and
having a maximum gain of 14 dBi. Antennas having a gain greater than 14 dBi are strictly
prohibited for use with this device. The required antenna impedance is 50 ohms.
• Xianzi XQZ-900E (5 dBi Dipole Omnidirectional)
• HyperLink HG908U-PRO (8 dBi Fiberglass Omnidirectional)
• HyperLink HG8909P (9 dBd Flat Panel Antenna)
• HyperLink HG914YE-NF (14 dBd Yagi)
• Specialized Manufacturing MC-ANT-20/4.0C (1 dBi 4” whip)
PAGE 17