SODA COOLED RF DUMMY LOADS

Model 40500

(Others Available) (120 ohm shown)

Impedance Available: 50, 120 unbalanced, or 300 ohms shortwave balanced, nominal
Frequency Range: 500 KHz to 2 MHz (including full load for harmonics 2 and 3)
Resistive Type: Soda Solution (Sodium carbonate + Water)
Power Rating (RMS): 200 – 1050 KW
RF Input: RF Coaxial or Box Line
Stabilized VSWR: 1.1:1 or better
Accurate Power Measurement: Digital Calorimetric Range 10 to 100% FSR Accuracy ±< 4% FSR
Dimensions: (Model 40500): 60 in. W x 72 in. L x 82 in. H (Nominal) 152.4cm x 182.9cm x 208.3cm
Weight: (Model 40500) 2800 lbs/1270kg (with crate)
Cooling Medium: SR1 10-40% + distilled water
Load rating based on optimum clean system conditions.

Model 41050

(Others Available)

Impedance Available: 50, 120, or (300 ohms, balanced 2-30MHz
Frequency Range: 500 KHz to 2 MHz (including full load for harmonics 2 and 3)
Resistive Type: Soda Solution (Sodium carbonate + Water)
Power Rating (RMS): 200 – 1500 KW (higher power available – consilt factory)
RF Input: RF Coaxial or Box Line
Stabilized VSWR: 1.1:1 or better
Accurate Power Measurement: Digital Calorimetric Range 10 to 100% FSR Accuracy ±< 4% FSR
Dimensions: (Model 40500): 60 in. W x 72 in. L x 82 in. H (Nominal) 152.4cm x 182.9cm x 208.3cm
Weight: (Model 40500) approx 4000 lbs plus dry cooler (with crate)
Cooling Medium: SR1 10-40% + distilled water
Load rating based on optimum clean system conditions.

  • Entire Medium Wave Frequency Band
  • Full Load for Harmonics 2 and 3
  • Steel Frame Construction
  • Special Broadband Soda-Water Resistor
  • Full Radiation Screening
  • Accurate Measurement of Dissipated Power
  • Remote Monitoring and Control
  • Dissipation of CW and Pulsed RF Signals
  • Self-protecting Interlock Circuit

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Altronic Research, Inc. is proud to partner with Nautel and these leading organizations in the delivery of 27 DRM transmitters for All India Radio.