The Data Industrial® Series 340N2 Btu transmitter from Badger Meter is an economical, compact device for sub-metering applications using Johnson Controls Metasys® Network Companion™ and Facilitator™ Supervisory Systems.","The Series 340N2 calculates thermal energy by measuring liquid flow in a closed pipe hydronic system by integrating the flow and temperature inputs. The Series 340N2 can accept the signal from any Data Industrial raw pulse flow sensor, as well as many other pulse and sine wave devices. Temperature inputs are accepted from standard 10K Ω (Type II) thermistors. The on-board microcontroller and digital circuitry make precise measurements and produce accurate, drift-free outputs. The Series 340N2 is commissioned using Badger Meter Windows® based software. Calibration information for the flow sensor, type and pipe size may be pre-selected or entered in the field. When a PC or laptop computer is connected, the same data that is transmitted across the N2 network is shown in real time. This includes flow rate, flow total, energy rate, energy total, supply and return temperatures, and Delta T.

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