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DESCRIPTION
ONICON inline turbine flow meters are suitable
for measuring electrically conductive water-based liquids. The F-1300 model provides a high-resolution frequency output for connection to an ONICON display or Btu meter.
CALIBRATION
Every ONICON flow meter is wet calibrated in our flow laboratory against primary volumetric standards that are directly traceable to N.I.S.T. A certificate of calibration accompanies every meter.
FEATURES
Unmatched Price vs. Performance - Custom calibrated, highly accurate instrumentation at very competitive prices.
Excellent Long-term Reliability - Patented electronic sensing is resistant to scale and particulate matter. Low mass turbines with
engineered jewel bearing systems provide a mechanical system that virtually does not wear.
Industry Leading Two-year “No-fault” Warranty
Reduces start-up costs with extended coverage to include accidental
installation damage (miswiring, etc.) Certain exclusions apply. See our complete warranty statement for details.
APPLICATIONS
• Closed loop chilled water, hot water, condenser water & water/glycol/brine solutions for HVAC
• Process water & water mixtures
GENERAL SPECIFICATIONS
ACCURACY
± 0.5% of reading at calibrated velocity
± 2% of reading from 0.8 to 38 GPM (50:1 range)
SENSING METHOD
Electronic impedance sensing (non-magnetic and non-photoelectric)
PROCESS CONNECTIONS
Threaded or sweat union fittings - ¾” or 1” SUPPLY VOLTAGE
24 ± 4 V AC/DC at 30 mA LIQUID TEMPERATURE RANGE
Standard: 180° F continuous, 200° F peak High Temp: 280° F continuous, 300° F peak
AMBIENT TEMPERATURE RANGE
-5° to 160° F (-20° to 70° C) OPERATING PRESSURE
400 PSI maximum PRESSURE DROP
3 PSI at maximum flow rate
OUTPUT SIGNALS PROVIDED
Frequency Output
0 – 15 V peak pulse, typically less than 300 Hz
MATERIAL
Brass housing and stem
Sapphire bearings and tungsten carbide shaft
ELECTRONICS ENCLOSURE
Weathertight aluminum enclosure ELECTRICAL CONNECTIONS
3-wire for frequency output Standard: 10’ of cable with ½” NPT
conduit connection
Optional:Indoor DIN connector with 10’
of plenum rated cable