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R-25 Transmitter with Explosion-Proof Enclosure
Brand: Niagara MetersTransmits a high frequency scaled electrical pulse signal for each discrete unit of liquid volume metered.
Transmitter is magnetically coupled to the meter shaft and uses an optical encoder for CW or CCW shaft rotation.
Specifications
Brand
Consumption
- Power Consumption: 0.375 W at 15 Vdc
Disc Material
- Nutating Disc: Bronze
- Nutating Disc: Epoxy Coated Cast Iron
Electrical - Free Leads
- Signal Wiring: 18 Gauge 3 or 4-Conductor Shielded
Electrical Connectors
- 1/2” NPT Female
Enclosure, Body Material
- Aluminum
Environmental Protection
- Explosion-proof
- Watertight
Flow Rate
- Nutating Disc: 0.5 to 160 gpm
- Oscillating Piston: 7 to 150 gpm
K-Factor
- Nutating Disc: 42 to 17,316 Pulses/Gallon
- Oscillating Piston: 64 to 3,688 Pulses/Gallon
Mounting Position
- Horizontal
- Top
Operation
- Magnetically Coupled Drive
Output
- Ouput Signal: 12-15 Vdc
- Ouput Signal: 70 µs Square Pulse Nominal at 15 Vdc
Piston Material
- Oscillating Piston: Stainless Steel
Power Supply
- 12-24 Vdc
Ratio
- Nutating Disc - 256:1
- Oscillating Piston - 125:1
Size
- Nutating Disc: 1” to 4” (25 to 100 mm) Bronze
- Nutating Disc: 3/4” to 2-1/2” (19.05 to 63.5 mm) Epoxy Coated Cast Iron
- Oscillating Piston: 1” (25.4 mm) Stainless Steel
- Oscillating Piston: 2” (50 mm) Stainless Steel