Integrasense Incorporated

Control & Automation Systems

Integra BTU Meter Module

The Integra BTU Meter is a cost-effective, feature-rich modular system designed for sub-metering applications. It is used to measure energy consumption in almost any liquid heating/cooling system in residential and commercial buildings. Additionally, performance of energy saving programs and the degradation of system efficiency can be monitored

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Description

BTU Meter Modules provide inputs for supply and return temperature sensors (PT1000, 3-wire) and for a flow meter (with either pulse output or 4-20mA current loop output). Module outputs include an energy pulse output (solid state relay) and 12VDC auxiliary power. Modbus RTU (RS-485) communication is standard.

Specifications

Configuration
  • Windows-based configuration utility
  • Non-volatile, write protectable memory for configuration settings and energy counter.
Connectivity
  • Modbus RTU: One RS-485 port (slave)
Power
  • Input Power: 24VDC (14 to 34V), 200mA
Inputs
  • Supply Temperature: 3-wire Pt1000 (15 bit)
  • Return Temperature: 3-wire Pt1000 (15 bit)
  • Flow: 4-20mA (12 bit), 50 Ohm impedance, requires external loop power supply.
  • Flow: Pulse Input, 0.4 Hz to 10kHz, opto-isolated, auto current limiting (10mA), 5 to 24VDC signal.
Outputs
  • Energy Pulse: Solid state form A relay, 5 to 50VDC, 100mA.
Units of Measure
  • Temperatures: Degree Fahrenheit
  • Flow: Gallons per Minute
  • Energy Rate: BTU/h, kBTU/h, BTU/min, RT
  • Energy: kBTU, MBTU
Installation
  • DIN Rail mount
Environmental Ratings
  • Operating Temperature: -30 to 80C / -22 to 176F
  • Storage Temperature: -30 to 80C / -22 to 176F
  • Humidity: 10 to 85% RH, non-condensing
Order Part Numbers
  • BTU Meter Module: 001-20170006
  • BTU Meter Display: 001-20170004

Downloads / Tech Support

– Integra BTU Meter Module

– User Manual BTU Meter

– Datasheet for INTEGRA OIT 3.5 inch for BTU Meters

– Datasheet for INTEGRA OIT 5.0 inch for BTU Meters

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