--- title: Wirelessly Enabling Flow Meters description: Wirelessly Enabling Flow Meters image: https://blog.techstar.com/hubfs/image-png-Aug-21-2020-04-24-30-57-PM.png --- [![Teckstar](https://blog.techstar.com/hubfs/header-logo-1.png)](http://techstar.com/) [SPEAK TO AN EXPERT](https://techstar.com/asktechstar/?__hstc=233546881.94308a3d6ad9d040c1c30bf75699981b.1700673178130.1709582481954.1709637461889.239&__hssc=233546881.1.1709637461889&__hsfp=541284016) [ONLINE STORE](https://store.techstar.com/?__hstc=233546881.94308a3d6ad9d040c1c30bf75699981b.1700673178130.1709582481954.1709637461889.239&__hssc=233546881.1.1709637461889&__hsfp=541284016) - OUR COMPANY - [Sales Coverage](https://techstar.com/locations) - [Office Locations](https://techstar.com/locations#offices) - [Ask An Expert](https://techstar.com/asktechstar/) - [Who We Are](https://techstar.com/who-we-are) - [Industries](https://techstar.com/industries) - [Tale of the Goat](https://techstar.com/about-us/the-tale-of-the-pale-goat/) - 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Many technologies exist to measure flow including Electromagnetic, Ultrasonic, Turbine, Vortex, Positive Displacement, Coriolis, and Thermal Mass flow meters. The ability to monitor the flow rate and flow totals from various flow meters wirelessly enables users to avoid costly conduit runs from the point of the flow measurement back to a central controller. #### Flow Meter Outputs The most basic output from a flow meter is typically a pulse output. The flow meter will output pulses proportionally to the flow, for example a meter might output 1 pulse per gallon.  The pulses per unit volume is commonly referred to the as the meter K-factor.  Turbine meters also have a K-factor and typically have a magnetic pickup that outputs a low voltage sine wave. Next, some more advanced electronics flow meters support digital communications such as HART or Modbus.  These protocols allow the host device to read the flow rate and flow total digitally without the chance for any loss of data or mismatch between the flow meter and the attached totalizer device. ![](https://blog.techstar.com/hs-fs/hubfs/image-png-Aug-21-2020-04-24-30-57-PM.png?width=300&name=image-png-Aug-21-2020-04-24-30-57-PM.png) #### SignalFire Wireless Devices for Flow Meters SignalFire has a variety of products that can easily interface to the common flow meter outputs listed above and bring the flow meter data wireless to a centrally located gateway using 900MHz wireless transmission, or directly to the Cloud using LTE-M cellular technology. #### Flow Meters with Pulse Outputs The SignalFire Wireless Totalizer and the SignalFire RANGER both have digital inputs that can accept a pulse output from a flow meter. The have a configurable K-factor and volume units so the user can view their flow totals and flow rates in the units that make sense for the application. #### Flow Meters with Modbus or HART Outputs  The SignalFire Sentinel-485 and the SignalFire Modbus stick may both be used with a flow meter that supports the Modbus protocol. The SignalFire Modbus node will be programmed to pull the flow meter data over the RS485 Modbus connection and forward the readings to the SignalFire Gateway. Additionally, the SignalFire RANGER supports Modbus allowing Modbus flow meter data to be transmitted directly to the Cloud over LTE-M cellular networks. Flow meters with a HART interface can be read using the Sentinel-HART or the A2-HART.  The HART data will be read from the meter and forwarded to the SignalFire gateway.  The SignalFire Modbus/HART devices also allow the user to wirelessly send data to the flow meter allowing configuration and diagnostics of the flow meter to happen remotely without a visit to the site. Adding wireless to a flow meter to bring the data to a central point or directly to the cloud can be easily accomplished using a variety of SignalFire devices depending on your specific flow meter type and network requirements. The SignalFire system also allows other measurements including pressures, temperatures, and tank levels to be conveniently monitored, further expanding the flexibility of the system. [Learn More about the SignalFire Ranger here.](https://info.techstar.com/signalfire/ranger) [View all of our Wireless & Telemetry Solutions here.](https://bit.ly/2CM3cg3) Topics: [Flow Meter Solutions](https://blog.techstar.com/news/topic/flow-meter-solutions), [Signal Fire](https://blog.techstar.com/news/topic/signal-fire), [Wireless and Telemetry Solutions](https://blog.techstar.com/news/topic/wireless-and-telemetry-solutions) ### Subscribe to Email Updates ### Recent Posts ### Posts by Topic - [MSA (29)](https://blog.techstar.com/news/topic/msa) - [Yokogawa (21)](https://blog.techstar.com/news/topic/yokogawa) - [Moore Industries (19)](https://blog.techstar.com/news/topic/moore-industries) - [Fox Thermal (17)](https://blog.techstar.com/news/topic/fox-thermal) - [Thermal Gas Mass Flow Meters (17)](https://blog.techstar.com/news/topic/thermal-gas-mass-flow-meters) - [Gas Detection Solutions (16)](https://blog.techstar.com/news/topic/gas-detection-solutions) - [Safety (16)](https://blog.techstar.com/news/topic/safety) - 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