The new System-20 BTU Measurement System provides highly accurate and reliable thermal energy measurement in heating and cooling systems. Designed for maximum versatility, the System-20 communicates via RS485 BACnet? MS/TP or MODBUS? RTU. It also includes standard 3 programmable pulse outputs and 1 analog output. 3 auxiliary pulse inputs are also included that provide a convenient network interface simplifying utility metering in the tenant spaces.
Standard Features
Multiple Outputs
Each meter is provided standard with three programmable pulse outputs and one analog output. An RS-485 output is also provided for BACnet? MS/TP or MODBUS? RTU.
Multiple Flow Meter Options
The System-20 may be ordered with any of ONICON’s inline, insertion, or clamp-on style flow meters. This allows you to match specific flow meter features and benefits to your application.
Multiple Temperature Sensor Options
The System-20 may be ordered with ONICON’s precision current based sensors or a pair of matched Platinum RTDs. Each option offers exceptional accuracy and reliability.
Auxiliary Pulse Inputs?
Three user defined pulse inputs are provided standard. Pulses from water, gas or electric meters may be totalized in the System-20 to simplify network connectivity at the metering location.
Built-In Interval Data Logger
Energy and volume totals are date/time stamped and logged within the meter along with operating status and other analytical data. Data is available via BACnet? or MODBUS?.
Suitable for Water and Water/Glycol Solutions
System-20s are field programmable for water or water/glycol solutions to ensure accurate flow and energy measurement.
User Friendly Interface Display
The bright, easy-toread, back-lit display uses “smart button technology” to simplify programming and commissioning, eliminating the need for special configuration tools.
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