Water Cooled RF Coaxial Loads

The OMEGALINE Water Cooled Series are extraordinary water terminations for 50-ohm coaxial transmission line systems that exhibit excellent and stable RF characteristics during their full range of operating power. The rugged, precision design of the Water Cooled Series provides reliability, serviceability, convenience, and economy well suited for today’s modern RF application.

FEATURES:

  • Low cost
  • Lightweight
  • RF power is dissipated in a proven, ceramic, rugged, film-type cylindrical resistor.
  • Resistors can easily be replaced.*
  • No field adjustments needed.
  • Non-contaminating water circuit
  • Potable water in open or closed systems
  • Brass and aluminum construction
  • Rugged construction
  • Any operating position

* Factory service recommended for models over 80 kW.

Water Load Manuals


 

Model 9705: (Data Sheet)Model 9705

Power Rating: 5kW continuous CW
Impedance: 50 ohms nominal
Frequency Range: 60 Hz to 800 MHz
VSWR: 1.10:1 to 800MHz
Max. Outlet Water Temp.: 90°C
Max. Inlet Water Pressure: 70PSI
Water Flow: 2gpm
Water Connectors: 3/4″ (garden hose) or 1/2″NPT
RF Connectors: 1 5/8″ EIA or QC (Various)
Dimensions: Approx. 2 3/4″ x 10 3/16″ (7.0 cm x 25.9 cm)
Weight: Approx. 4 lbs. (depending on connections) (1.8 kg)
Finish: Conversion Coating & Bright Nickel

 

Model 9715: (Data Sheet)

Model 9715

Power Rating: 15kW continuous CW
Impedance: 50 ohms nominal
Frequency Range: 60 Hz to 800 MHz
VSWR: 1.10:1 to 800MHz
Max. Outlet Water Temp.: 90°C
Max. Inlet Water Pressure: 100PSI
Water Flow: 4gpm
Water Connectors: 3/4″ (garden hose) or 1/2″ NPT
RF Connectors: 1 5/8″ / 3 1/8″ EIA or Flangeless / QC (Various)
Dimensions: Approx. 4 1/2″ x 15″ (11.4 cm x 38.1 cm)
Weight: Approx. 9 1/2 lbs. (4.3 kg)
Finish: Conversion Coating & Bright Nickel

 

Model 9725: (Data Sheet)

Model 9725

Power Rating: 25kW continuous CW
Impedance: 50 ohms nominal
Frequency Range: 60 Hz to 800 MHz
VSWR: 1.10:1 to 800 MHz
Max. Outlet Water Temp: 90°C
Max. Inlet Water Pressure: 100PSI
Water Flow: 6gpm
Water Connectors: 3/4″ (garden hose) or 1/2″ NPT
RF Connectors: 3 1/8″ / 6 1/8″ EIA or 3 1/8″ Flangeless / 1 5/8″ or QC (Various)
Dimensions: Approx. 4 1/2″ x 16 1/2″ (11.4 cm x 41.9 cm)
Weight: Approx. 16 lbs. (7.26 kg)
Finish: Conversion Coating & Bright Nickel

 

Model 9750: (Data Sheet)

Model 9750

Power Rating: 50kW continuous CW
Impedance: 50 ohms nominal
Frequency Range: 60 Hz to 800 MHz
VSWR: 1.10:1 to 800 MHz
Max. Outlet Water Temp.: 90°C
Max. Inlet Water Pressure: 100PSI
Water Flow: 10gpm
Water Connectors: 3/4″ (garden hose) or 1/2″ NPT
RF Connectors: 3 1/8″ / 6 1/8″ EIA or 3 1/8″ Flangeless / 1 5/8″ /or QC (Various)
Dimensions: Approx. 4 1/2″ x 18 1/2″ (11.4 cm x 47.0 cm)
Weight: Approx. 17 lbs. (8 kg)
Finish: Conversion Coating & Bright Nickel

 

Model 9780: (Data Sheet)

Model 9780

Power Rating: 80kW continuous CW
Impedance: 50 ohms nominal
Frequency Range: 60 Hz to 800 MHz
VSWR: 1.15:1 to 800MHz
Max. Outlet Water Temp.: 90°C
Max. Inlet Water Pressure: 100PSI
Water Flow: 10gpm Minimum
Water Connectors: 3/4″ (garden hose) or 1/2″ NPT
RF Connectors: 4 1/2″ / 6 1/8″ EIA or 3 1/8″ Flangeless / 1 5/8″ or QC (Various)
Dimensions: Approx. 8 1/2″ x 30″ (21.6 cm x 76.2 cm)
Weight: Approx. 25 lbs. (12 kg)
Finish: Conversion Coating & Bright Nickel

 

Model 97125: (Data Sheet)

Model 97125

Power Rating: 125kW continuous CW
Impedance: 50 ohms nominal
Frequency Range: 60 Hz to 450 MHz standard (up to 800 MHz with optimization)
VSWR: 1.15:1 to 800 MHz
Max. Outlet Water Temp.: 90°C
Max. Inlet Water Pressure: 100PSI
Water Flow: 15gpm Minimum
Water Connectors: 3/4″ (garden hose) or 3/4″ NPT
RF Connectors: 3 1/8″ / 6 1/8″ EIA or 3 1/8″ Flangeless
Dimensions: Approx. 8 1/2″ x 31″ (21.6 cm x 78.7 cm)
Weight: Approx. 36 lbs. (16 kg)
Finish: Conversion Coating & Bright Nickel

 

Model 57200B: (Data Sheet)

Power Rating: 200kW continuous CWModel 57200
Impedance: 50 ohms nominal
Frequency Range: 60 Hz to 450 MHz standard (up to 800 MHz with optimization)
VSWR: 1.15:1 to 800 MHz
Max. Outlet Water Temp: 90°C
Max. Inlet Water Pressure: 100PSI
Water Flow: 19gpm at 45°C Inlet Minimum
Water Connectors: 3/4″ (garden hose) or 3/4″ NPT
RF Connectors: 3 1/8″ / 6 1/8″ EIA or Flangeless
Dimensions: Approx. 8 1/2″ x 42″ (21.6 cm x 106.7 cm)
Weight: Approx. 47 lbs. (22 kg)
Finish: Conversion Coating & Bright Nickel