OmniSense S-26 User manual

For more information contact OmniSense Technical Support
OmniSense LLC ● 72 Sams Point Road ● Ladys Island, SC 29907
Phone [phone]
www.omnisense.com ● E-mail:[e-mail]
S-26 Wireless Ultrasonic Flow Meter
quick start guide
Thank you for your purchase of OmniSense S-26 Wireless Ultrasonic
Flow Meter. Follow the steps below to install your sensor and view data
readings.
1 Create a new account if you do not already have one
You will need a monitoring account and a "online" gateway to see live
data on your job site
see "Monitoring quick start guide" for instructions on creating your
account
2 Mount Meter Enclosure
Use the 4 supplied mounting ears to mount the enclosure in a suitable location close to the pipe
whose flow is to be monitored.
Enclosure is a waterproof NEMA Enclosure designed to IP66 of IEC 529 and NEMA 1, 2, 4 and
4x specifications
Ultrasonic transducer cables are approximately 16 feet long
3 Connect to 100-240 VAC power
The meter is supplied with a 8 ft power cord and a 3 prong US power plug and requires a
suitable AC power source from 100-240 VAC at 1 watt
4 Using the keypad and navigating the controller menu
The controller is highly programmable, do not change any settings other than those detailed in
this document or the meter may cease to function.
The controller menu is organized as a series of uniquely numbered menu screens. On most,
but not all, menu screens the current screen number will be displayed and on all screens there
will be text describing that menu screen. Use the right arrow key to advance to the next menu
screen or the up arrow to go back to the previous menu screen. You can also enter the menu
item number directly by using blue menu key, then the up arrow to set the first digit, then the
right arrow to advance to the next digit, then the up arrow again to set the next digit then the red
"ent" button
To change the value of a setting use the red "ent" button to go into edit mode and then the up
arrow to modify the current character (can be "0-9" or a "." decimal point), then the right arrow to
move to the next character position and repeat until you have entered the desired value. To
save the value hit the red "ent" key again. Note that settings are NOT permanently saved
until you use menu screen 26 to "solidify" or permanently save the settings.Any settings
not permanently saved will be lost when power is turned off.
5 Program Pipe Dimensions
Note only two of "Pipe Inner Diameter", "Pipe Outer Diameter" or "Pipe Wall Thickness" are required
and the third will be automatically computed by the controller.
Pipe Inner Diameter - Menu screen 13
Pipe Outer Diameter - Menu screen 11
Pipe Wall Thickness - Menu screen 12

For more information contact OmniSense Technical Support
OmniSense LLC ● 72 Sams Point Road ● Ladys Island, SC 29907
Phone [phone]
www.omnisense.com ● E-mail:[e-mail]
Pipe Material - Menu screen 14
Pipe Liner Material - Menu screen 16 - select "none" for pipes with no liner otherwise select the
liner material. If a liner is selected, enter the liner thickness in menu screen 18
Record Spacing - Menu screen 25 is the optimal transducer spacing that is required for the pipe
dimensions programmed in the steps above. You'll need to know this number when you install
the transducers.
YOU MUST SAVE THE NEW SETTINGS!! - use menu screen 26 to "solidify" or save the
settings changes made above.
6 Program Relay/Buzzer/Flasher Trigger (Optional)
The unit is shipped to close the relay/sound alarm/flash LED if "Alarm #1" is ON and open the relay if
"Alarm #1" is OFF. If you plan to use the relay will need to configure "alarm #1" using menu screen 73
for lower limit of flow rate and screen 74 for upper limit of flow rate. There are many more options than
flow rate for relay control, please contact us for more information. To disable the audible alarm or relay
use menu 78 and 79, respectively, and set to disable which is menu option #25. Relay terminals 21/11
are common, 24/14 are NO and 22/12 are NC.
YOU MUST SAVE THE NEW SETTINGS!! - use menu screen 26 to "solidify" or save the
settings changes made above.
7 Verify Transducer Type Is Set Correctly
Go to Menu 23 and set the transducer type to "16 - Clamp-On TM-1" if its not already set to that value.
8 Install Ultrasonic Transducers
The meter uses two ultrasonic transducers.
One is labeled "Up" and is mounted upstream
and one is labeled "Down" and is mounted
downstream. Transducers must be mounted "in
line" and the spacing between them must be the
value displayed in menu screen 25 "Spacing".
YOU MUST USE the supplied silicone grease
between the face of the transducer and the
pipe to enable the acoustic coupling OR
YOUR FLOW METER WILL NOT WORK. Use
the supplied stainless steel hose clamps to securely clamp the transducers to the pipe.
9 Check That The Signal Quality Is Acceptable
Go to menu screen 90 "Strength+Quality". Strength is from 0-100, higher numbers are better, 70+ is
normal. Quality is from 0-100, higher is better, and must be at least 50 and 60-90 is normal. To
improve these numbers try making slow adjustments to the transducer spacing and watch the numbers
to see if your changes are helping. If you can not achieve the minimum numbers you should check
your pipe settings are correct, make sure you used enough silicone grease, make sure the pipe is
100% full of water with no air bubbles or debris in the pipe and make sure sensors are in line with each
other and mounted on the top of the pipe.

For more information contact OmniSense Technical Support
OmniSense LLC ● 72 Sams Point Road ● Ladys Island, SC 29907
Phone [phone]
www.omnisense.com ● E-mail:[e-mail]
10 Zero Offset Calibration
It may be necessary to perform zero offset calibration if the meter reads flow when there is in fact no
flow. Screen 42 is used to perform zero offset calibration.
The pipe must be 100% full of water with no flow. There can be no air bubbles, sediment
etc.
YOU MUST SAVE THE NEW SETTINGS!! - use menu screen 26 to "solidify" or save the
settings changes made above.
11 Verify That Flow is Zero and Controller is "R"eady
With no water flowing in the pipe go to screen 0 (just press menu followed by ent) and verify that flow is
0 and that a "*R" is displayed in the upper right corner indicating that the meter has a good signal and is
in the "R"eady state.
12 Viewing sensor data
see "Monitoring quick start guide" for instructions on viewing data through your OmniSense monitoring
account