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INDIAN RIVER COUNTY JULY 25, 2014 <br />INTERGENERATIONAL RECREATION CENTER 100% CONSTRUCTION DOCUMENTS <br />6. Flow Range: Sensor and indicator shall cover operating range of equipment or system <br />served. <br />7. Sensor: Inline type; for installing between pipe flanges and measuring flow directly in <br />gallons per minute. <br />a. Design: Flow metering for measuring electrically conductive liquids. <br />b. Wetted metal component: 316 Stainless-steel body, with integral transmitter. <br />c. Sensing Method: Electromagnetic Sensing <br />d. Flow Range: 0.1 ft/sec to 20 ft/sec (200:1 turndown) <br />e. Maximum Pressure Rating: 400 psig. <br />f. Pressure Drop: Less than 0.1 psi at 12 ft/s velocity in 3" and larger pipes <br />g. Input Power: 20-28 VDC, 250mA @ 24 VDC <br />h. Liquid Temperature Range: 15 °F to 250 °F. <br />Ambient Temperature Range: -20 °F to 150 °F. <br />j. Minimum Temperature Rating: 500 deg F. <br />k. Integral Transformer: For low -voltage power operation. <br />8. Accuracy: Plus or minus 1.0 percent for readings from 2 ft/sec to 20 ft/sec and 0.02 <br />percent for below 2 ft/sec. <br />9. Operating Instructions: Include complete instructions with each flowmeter. <br />2.7 THERMAL -ENERGY METERS <br />A. Insertion Electromagnetic , Thermal -Energy Meters: <br />1. Manufacturers: Subject to compliance with requirements, available manufacturers <br />offering products that may be incorporated into the Work include, but are not limited to, <br />the following: <br />a. ONICON Incorporated. <br />2. Description: System with insertion electromagnetic flow sensor, temperature sensors, <br />transmitter, indicator, and connecting wiring. <br />3. Flow Sensor: Bi-directional Flowmeter with corrosion -resistant -metal body and <br />transmitter; for installing in piping. <br />a. Design: Total thermal -energy measurement. <br />b. Minimum Pressure Rating: 150 psig. <br />c. Minimum Temperature Range: 40 to 250 deg F. <br />4. Temperature Sensors: Insertion -type transducer. <br />5. Indicator: Solid-state, integrating -type meter; for wall mounting. <br />a. Data Output: Six -digit electromechanical counter with readout in kilowatts per hour <br />or British thermal units. <br />b. Battery Pack: Five-year lithium battery. <br />6. Accuracy: Plus or minus 1 percent. <br />7. Display: Visually indicates total fluid volume in gallons and thermal -energy flow in <br />kilowatts per hour or British thermal units. <br />8. Strainer: Full size of main line piping. <br />9. Operating Instructions: Include complete instructions with each thermal -energy meter <br />system. <br />METERS AND GAGES FOR HVAC PIPING 230519 - 4 <br />