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380 Series BTU System Meter

The Series 380 BTU meter is an all-in-one energy usage package for monitoring hydronic heating or cooling systems. This meter accurately measures flow and temperature differential to compute energy and can interface with many existing control systems.

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  • Size
    19...50 mm
    3/4...2 in.
  • Temperature Range
    -20…125 °C
    -4...260 °F
  • Flow Range
    6.4…595.4 lpm
    1.7...157.3 gpm
  • Pressure Range
    Up to 27 bar
    Up to 400 PSI
  • Accuracy
    ±2 %
    ±2 %
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Minimal connections help simplify installation and save time.

The rugged design incorporates an impeller flow sensor and two temperature probes.

  • Cost savings over other systems offered on the market today
  • Temperature probe is conveniently mounted directly in the flow sensor tee
  • Commissioning of this meter can be completed in the field via a computer connection


Product Specifications

View & configure CAD/BIM drawings Download CSI specifications
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  • Electrical Input
    Power 12…35V DC, 12…28V AC
    Communication Modbus RTU, BACnet MST
    Power 12…35V DC, 12…28V AC
    Communication Modbus RTU, BACnet MST
  • Electrical Output
    Scaled Pulse Open drain, 0.01…100 Hz max.
    Scaled Pulse Open drain, 0.01…100 Hz max.
  • Materials
    Housing: Polycarbonate
    Flow Sensor: PEEK
    Potting Material: Polyurethane
    Tee Material: Brass
    Housing: Polycarbonate
    Flow Sensor: PEEK
    Potting Material: Polyurethane
    Tee Material: Brass
  • Sensor Body Sizes
    Tee Sizes 3/4 in., 1 in., 1-1/4 in., 1-1/2 and 2 in.
    Tee Sizes 3/4 in., 1 in., 1-1/4 in., 1-1/2 and 2 in.
  • Environmental
    Fluid Temperature –6.7…126.7 °C
    Ambient Temperature –20…65 °C
    Fluid Temperature –6.7…126.7 °C
    Ambient Temperature –20…65 °C
  • Accuracy
    ± 2% of flow rate within flow range
    ± 0.5% repeatability
    RTD meets IEC751 Class B
    ± 2% of flow rate within flow range
    ± 0.5% repeatability
    RTD meets IEC751 Class B
  • Flow Range
    1…15 ft/sec
    1…15 ft/sec
  • Flow Range
    Diameter 380 BTU Meter Flow Range
    0.75 in. (19 mm) 
     
    1.65…24.69 gpm (6…93 lpm)
    1 in. (25 mm)  2.70…40.48 gpm (10…153 lpm)
    1.25 in. (32 mm)  4.66…69.93 gpm (17…265 lpm)
    1.5 in. (38 mm)  6.35…95.18 gpm (24…360 lpm)
    2 in. (50 mm) 10.49…157.34 gpm (40…595 lpm)
    Diameter 380 BTU Meter Flow Range
    0.75 in. (19 mm) 
     
    1.65…24.69 gpm (6…93 lpm)
    1 in. (25 mm)  2.70…40.48 gpm (10…153 lpm)
    1.25 in. (32 mm)  4.66…69.93 gpm (17…265 lpm)
    1.5 in. (38 mm)  6.35…95.18 gpm (24…360 lpm)
    2 in. (50 mm) 10.49…157.34 gpm (40…595 lpm)
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Market Applications

  • Building Design, HVAC & Plumbing

    Flow instrumentation solutions are a crucial aspect of building design, construction and operation for apartments, hospitals, schools, factories and other facilities. From HVAC and grounds management to plumbing and water services, our meters are specifically designed to provide solutions that are accurate and reliable, even under the most challenging conditions.

    View Solutions

Product Documentation

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Brochures Data Acquisition System (DAS) Impeller {{moreContent}} {{seeAllLabel}} | English
Specifications Impeller Series 380 BTU Energy Management System Impeller {{moreContent}} {{seeAllLabel}} | English
Manuals & Guides Impeller 380CS-HS BTU Meter Impeller {{moreContent}} {{seeAllLabel}} | English
Product Data Sheets Impeller Series 380 BTU System 380DS Meter Impeller {{moreContent}} {{seeAllLabel}} | English
Application Data Sheets Impeller Transmitters Series 380 Pulse Output to Model RED Impeller {{moreContent}} {{seeAllLabel}} | English
Manuals & Guides Impeller Series 380 BTU System 380DS Meter Impeller {{moreContent}} {{seeAllLabel}} | English

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Impeller Impeller 380 Series BTU Configuration Software Software | Updated August 19, 2020 | 58.76 MB See release notes
Impeller Impeller 380 Series BTU Configuration Software Software | Updated August 19, 2020 | 58.76 MB See release notes

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