Sierra Introduces Ultrasonic Thermal Energy/ BTU Flow Meter For Liquid Energy Consumption Measurement

Sierra’s Innova-Sonic® Model 205 Thermal Energy/ BTU Meter is a transit-time ultrasonic flow meter designed to measure the thermal energy flow rate and totalized energy consumption in liquid heating and cooling applications including HVAC, office buildings, large condominium or apartment developments, solar thermal heating and geothermal. Non-intrusive clamp-on ultrasonic sensor technology makes for easy and economical installation.

The Model 205 Thermal Energy/ BTU meter offers high accuracy (+/-0.5% of reading) enabling custody transfer of thermal energy. Built-in totalizers and data loggers are used to record daily, monthly and yearly totalized energy usage and report total energy used. These functions make it easy to account for energy usage and accurately allocate costs to end users. A built-in SD card and a supplied data-analysis and graphing program allows for easy storage and analysis of collected data.

The Innova-Sonic Model® 205 Thermal Energy/ BTU meter includes ultrasonic transducers, remote electronics, and two PT100 resistance temperature detectors (RTD’s) supplied by Sierra. The two RTD’s (either insertion or surface-mounted) measure the temperature of the supply and return flow. The meter’s electronics then uses these inputs, along with the measured flow rate from the ultrasonic transducers, in order to calculate the thermal energy flow rate in user-defined units (BTU/hr or KJoules/hr for example).

The Model 205 Thermal Energy/ BTU Meter features a wide operating temperature range of -40°F to +340F (-40°C to 170°C), and a bi-directional flow range of 0.0 to 40 fps liquids (0-12 mps). The instrument can be used for a wide range of pipe sizes from 1"-200" (25mm-5000mm).

Learn more about the entire Innova-Sonic® product line

Innova-Sonic® Model 205 Clamp-on Liquid Flow Meter
A NEMA 4X (IP65) non-invasive transit-time ultrasonic digital flow meter for the detection of volumetric flow rate of most liquids.

Innova-Sonic® Model 205 Insertion Liquid Flow Meter
A transit-time ultrasonic digital flow meter featuring insertion transducers that can be used on pipe sizes ranging from 2" to 400" (50mm-10000mm). The key benefit is the high signal strength achieved by using insertion transducers so that pipe wall, pipe liner, and pipe wall deposits do not affect instrument performance.

Innova-Sonic® Model 206 In-Line Liquid Flow Meter
A state-of-the-art Digital Correlation Transit-Time Ultrasonic flowmeter featuring PicoFly™ technology and designed to give customers an alternative choice for typical liquid Mag-Meter applications. Featuring +/- 0.5% of reading accuracy and the ability to measure down to zero flow in virtually any clean liquid regardless of conductivity.

Innova-Sonic® Model 210 Portable with Bluetooth® Wireless Liquid Flow Meter
A non-invasive portable transit-time ultrasonic flowmeter for the detection of the volumetric flow rate of most liquids. An industry-unique PDA calibrator is used to operate and read data using Bluetooth wireless connectivity.
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