Hot Water Flow Meters for Totalization and Rate IndicationHot Water Meters for Totalization and Rate Indication with Pulse Output
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- Flow Rates from 0.22 to 132 GPM
- 150 psi Maximum Operating Pressure
- 90°C (194°F) Maximum Operating Temperature
- Field-Adjustable Pulse Output (Optional)
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The FTB8000HW Series meters use the multi-jet principle, which has been an internationally accepted standard for many years. This type of meter is known for its wide range, simplicity, and accuracy in lowquality water. The impeller is centered in a ring of jets, with inlet jets on one level and outlet jets on another. A gear train drives the register totalizer dials. For pulse output, one of the dials is replaced by a gear, which turns a magnet that is detected by an encapsulated sensor threaded into the outside of the lens. Pulse rate is determined by the gear and the dial on which the gear is placed. Changing the pulse rate requires no special tools and can be done in the field.
Mechanically, all FTB8000HW meters are the same. The difference between the -PR, -PT, and standard models is in the sensor. -PR model meters use a solid state, longlasting Hall-effect sensor, which requires power. -PT model meters use a 2-wire reed switch. They provide a dry-contact closure and do not require power. Basic FTB8000HW meters totalize only and do not have an output. Never install water meters above or over areas where leakage would cause damage.
Body: Cast bronze
Internals: Engineered thermoplastic
Magnet: Permanent ceramic
Max Temperature: 90°C (194°F)
Max Operating Pressure: 150 psi
Accuracy: 1.5% of reading
-PR: Hall-effect device
-PT: Reed switch
Max Current: 20 mA
-PR: 24 Vdc
-PT: 24 Vdc or Vac
Sensor Power (-PR): Minimum 6 mA at 12 Vdc
Cable Length: 4 m (12') standard, 600 m (2000') max
Flow Rates (GPM):