DN-EM Energy Flow Monitors calculate energy use based on the mass volume of liquid passing through the system and the difference in temperature between the supply and return lines. The volume of liquid is measured by means of a pulse-generating vortex flow transmitter. An RTD sensor built into the flowmeter measures temperature at the meter, and the remote temperature is measured by means of a precision RTD sensor mounted in a pipe tee. A scaled pulse output is provided and can be configured to report volume flow rate, mass flow rate, or unit of energy. Modbus 485 communications provide an interface with building automation, process control, or other monitoring systems. No special software is required to operate DN-EM Energy Flow Monitors. Communication parameters can be set at the factory or from a Modbus Master over the RS-485 network.
Model DN-EM Energy Flow Monitors utilize non-volatile memory to record flow and energy, with readings updated every ten minutes. These values are true current values with the last stored value being added to the current accumulated value when the applicable register is read.
Units of measurement for Model DN-EM Energy Flow Monitors include flow rate in units of Gals/Min, Liters/Min, Liters/Sec; mass flow in units of Lbs/Min, Kgs/Min; energy rate in units of BTU/Min, kBTU/Min, kBTU/Hr, KW; total flow in units of Gallons, Liters, Cubic Meters; total energy in units of kBTU, KW-HRS; and temperature in either °F or °C. Model DN-EM Energy Flow Monitors are available for under $600.
Clark Solutions has a fifty-year history of providing unique solutions to the measurement, control, and monitoring of energy, pressure, flow, force, and level in liquids and gases. Located in Hudson, Massachusetts, the company offers instrumentation devices to record, monitor, and control energy, flow, velocity, pressure, temperature, humidity, level, gas concentration, and other properties. Clark Solutions also provides a wide range of pumps for liquids, gases, and air, including diaphragm pumps, piston pumps, rotary vane pumps, gear pumps, peristaltic pumps, impeller pumps, centrifugal pumps, and bellows pumps. Valve offerings include inert isolation valves, solenoid operated valves, valve actuators, pinch valves, manifold valves, ball valves, globe valves, butterfly valves, needle valves, and miniature and subminiature valves.
For more information, contact Clark Solutions, 10 Brent Drive, Hudson, MA 01749, Tel. 978-568-3400, Fax 978-568-0060, email firstname.lastname@example.org, or visit our web site at http://www.clarksol.com.
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