ALTUS MESO INSTALLATION MANUAL
Thank you for purchasing the Aithre Altus Meso, wireless portable oxygen tank pressure monitor. Please
follow the following instructions to safely install your Altus Meso and begin monitoring tank pressure on
your iOS device.
WARNINGS
1. DO NOT USE ANY FITTINGS FROM THE LOCAL HARDWARE STORE OR THAT ARE NOT RATED FOR
LESS THAN 5000 PSI AS THEY COULD FRACTURE OR EXPLODE UNDER THE HIGH PRESSURE OF
YOUR OXYGEN TANK. BRASS RETAIL FITTINGS ARE TYPICALLY ONLY ABLE TO WITHSTAND 100-
300 PSI.
2. REMOVAL OF YOUR PRESSURE GAUGE DURING INSTALLATION REQUIRES YOUR TANK TO BE
EMPTY AND UNDER NO PRESSURE PER THE INSTRUCTIONS.
3. Some tanks may require an extension M-F 1/8 NPT fitting in order for the Aithre tee fitting to clear
the tank during installation. Contact Aithre to purchase a high pressure extension.
4. Pressure rating of the Aithre Altus is 0-2500 PSI with a transient rating of up to 5000 PSI.
5. Use oxygen grade thread tape during installation as instructed.
INSTALLATION
6. EMPTY YOUR OXYGEN TANK OR YOUR GAUGE WILL BE A PROJECTILE THAT COULD CAUSE SEVERE
INJURY OR DEATH.
7. Unscrew your existing pressure gauge to expose a hole.
8. Screw the 1/8 NPT tee fitting into the exposed hole
using oxygen grade thread tape – an extension 1/8 NPT M-F fitting may be required and is
available from Aithre in order for the tee fitting to clear certain tanks.
9. Screw the existing pressure gauge onto the tee fitting in either of the two open positions as
desired using oxygen grade thread tape. DO NOT LEAVE YOUR EXISTING PRESSURE GAUGE OFF
OF THE TEE FITTING AS THE TEE FITTING MUST BE CLOSED ON ALL PORTS.
10. Screw the Altus Meso pressure gauge onto the tee fitting using oxygen grade thread tape.
11. Verify that the tee fitting, manual pressure
gauge, and the Aithre pressure gauge have been
installed securely. Test fill with oxygen and check for slow leak using soapy water.
12. Connect the Altus Meso USB wire to the Altus Meso pressure gauge. THE QUICK RELEASE
CONNECTION OF THE USB WIRE TO THE ALTUS PRESSURE GAUGE CAN SAFELY BE REMOVED
UNDER PRESSURE AS IT IS MERELY AN ELECTRICAL COUPLING.
13. Plug in the Meso USB cord to the included power bank. Note that ship USB power may be used
instead of the provided USB power bank. However, other USB power banks may not work
because the Meso draws so little power that other power banks may automatically shut off. The
provided USB power bank is configured to operate and stay on at very low power levels required
by the Meso.
14. Download Aithre Connect iOS and companion WatchOS application from
the Apple Store. Open the Aithre Connect iOS application, flip to the Altus
page in the iOS application, and turn on the Altus for automatic pairing –
if pairing issues present make sure your wireless phone antenna is on,
make sure you enabled access to wireless communication by the Aithre
app in iOS settings, and ecycle the Altus power - there is NO manual
pairing of the Altus.
15. Use the Oxygen tank and regulator as per tank and regulator manufacturer instructions. Use the
backup manual pressure gauge to verify contents of your oxygen tank before takeoff.
16. If using the Aithre Shield EX 3 for wireless Oxgyen PSI on your Dynon, G3x, Advanced, or MGL
avionics, keep the Aithre Connect App running in the foreground or background to reinforce the
wireless signal between the Altus and the EX 3.
WARRANTY AND LIMITATION ON REMEDIES/DAMAGES NOTICE: LIMITED ONE YEAR WARRANTY FROM
DATE OF PURCHASE WITH PROOF OR PURCHASE WITH SOLE REMEDY BEING REPLACEMENT OR REPAIR
OF PRODUCT AT SELLER'S OPTION. NO SPECIAL OR CONSEQUENTIAL DAMAGES. WARRANTY LIMITED TO
DEFECTS IN MATERIAL AND WORKMANSHIP. WARRANTY LIMITED TO THE ORIGINAL PURCHASER AND
THE ORIGINAL CUSTOMER OF THE PURCHASER AND CANNOT BE ASSIGNED OR TRANSFERRED. NO
PERSON IS AUTHORIZED TO EXPAND THIS WARRANTY. THIS WARRANTY DOES NOT APPLY TO ANY
PRODUCTS THAT HAVE BEEN SUBJECT TO ABUSE, MISUSE, OR IMPROPER INSTALLATION, STORAGE,
MAINTENANCE, OPERATION OR WHICH HAS BEEN ALTERED, MODIFIED, OR INCORRECTLY REPAIRED.
WARRANTY VOID IF HOUSING OPENED, OBJECT INSERTED, DEVICE INCORRECTLY POWERED, OR DEVICE
EXPOSED TO LIQUID OR DUST. WARRANTY LIMITED TO THE FOREGOING AND OTHERWISE, AS IS WITH
NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE EXPRESS OR IMPLIED.
ORIGN INFORMATION
Designed and made in Ketchum, Idaho
INTELLECTUAL PROPERTY NOTICE
AITHRE, ALTUS, MESO and logo are trademarks of Aithre, Inc. US Patents Pending and under license from
Seabeck Holdings, LLC
ADDITIONAL SAFETY INFORMATION
By using this product (e.g. oxygen tank pressure monitor) you agree that you have read, understood and accepted
these installation instructions. This is not a life saving device and should not be used as your sole means of
monitoring tank pressure. Always use the manual gauge for backup. The ALTUS does not allow you to regulate
oxygen flow.
Never try to dismantle or open the product yourself, or push objects of any kind into the product, as this may cause
short circuits which could result in a fire or electric shock or damage the product.
Discontinue use of the product if the product overheats, if the product has been dropped or damaged, if the product
has a damaged cord or plug, if the product has been exposed to liquids, or if the product has been exposed to
temperature outside the normal operating range.
This package contains small pars that may be hazardous to children and should be kept out of reach from children.
This product is not a toy. Never allow children to play with this product. Always store the product out of reach of
children. The bags themselves or the many small parts may cause choking if ingested.
DISPOSAL
This product must not be disposed of or dumped with your other household waste. You are liable to dispose of all
your electronic or electrical waste equipment by relocating over the specified collection point for recycling of such
hazardous waste. Isolated collection and proper recover of your electronic and electrical waste equipment at the time
of disposal will allow us to help conserve natural resources. Moreover, proper recycling of the electronic and
electrical waste will ensure safety of human health and environment. For more information about electronic and
electrical waste disposal, recovery, and collection points, please contact your local city center, household waste
disposal service, shop from where you purchased the equipment, or manufacture of the equipment.
Contains Transmitter Module
FCC ID: A8TBM71S2
or
Contains FCC ID: A8TBM71S2
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.
Contains transmitter module
IC: 12246A-BM71S2
CANADA
Additional Product Information
Additional User Manual Information
This device complies with Industry Canada's license-
exempt RSSs. Operation is subject to the following
two conditions:
• This device may not cause interference; and
• This device must accept any interference, includ-
ing interference that may cause undesired operation
of the device.
Le présent appareil est conforme aux CNR d'Indus-
trie Canada applicables aux appareils radio exempts
de licence. L'exploitation est autorisée aux deux con-
ditions suivantes:
(1) l'appareil ne doit pas produire de brouillage;
(2) l'utilisateur de l'appareil doit accepter tout brouil-
lage radioélectrique subi, même si le brouillage est
susceptible d'en compromettre le fonctionnement.
This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to
part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful
interference in a residential installation. This equip-
ment generates, uses and can radiate radio fre-
quency energy, and if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. 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
reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to
correct the interference by one or more of the follow-
ing measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment
and receiver.
• Connect the equipment into an outlet on a circuit
different from that to which the receiver is con-
nected.
• Consult the dealer or an experienced radio/TV
technician for help.
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