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What power sensors are available for use with 53147A/53148A/53149A frequency counters?

1. What is the power measurement solution for the 5314xA microwave counters?

The following Agilent power sensor models work with Agilent 5314xA microwave frequency counters:

  • A Models: 8481A, 8482A, 8485A, 8487A
  • B Models: 8481B, 8482B
  • D Models: 8481D, 8485D, 8487D
  • H Models: 8481H, 8482H

Although the A, B, and H models have been discontinued, please contact Agilent by using the "Contact Us" link at the top of the page if you have power sensor needs along with your microwave frequency counter.

The D models continue to be available from Agilent Technologies.

2. Are the 53147A, 53148A and 53149A microwave frequency counters still available?
Yes, the 53147A, 53148A and 53149A microwave frequency counters are still available for purchase from Agilent.

3. Are the new Agilent N848xA power sensors compatible with the 5314xA microwave counters?
No. The new N848xA power sensors (Standard or CFT option) utilize an EEPROM which requires an additional line to power it. The 5314xA counters do not have this additional line to power the EEPROM. Please refer to the separate FAQ or the Application Note titled “Agilent N8480 Series Power Sensors Migration Guide” (5989-9342EN) for more information.

4. What are the specifications for the power sensors that are compatible for use with the Agilent 5314xA microwave frequency counters?

Sensors for 5314xA Microwave Counters
 Frequency RangeConnectorZero Set
25 Watt Sensors: 1 mW to 25 W (0 to +44 dBm)   
8481B10 MHz to 18 GHzN (m)±50 µW
8482B100 kHz to 4.2 GHzN (m)±50 µW
3 Watt Sensors: 100 μW to 3 W (-10 to +35 dBm)   
8481H10 MHz to 18 GHzN (m)±5 µW
8482H100 kHz to 4.2 GHzN (m)±5 µW
100 mW Sensors: 1 μW to 100 mW (-30 to +20 dBm)   
8485A50 MHz to 26.5 GHzAPC-3.5 mm (m)±50 nW
8485A Opt 03350 MHz to 33 GHzAPC-3.5 mm (m)±50 nW
8481A10 MHz to 18 GHzN (m)±50 nW
8482A100 kHz to 4.2 GHzN (m)±50 nW
8487A50 MHz to 50 GHz2.4 mm (m)±50 nW
High Sensitivity Sensors: 100 pW to 10 μW (-70 to -20 dBm)   
8481D10 MHz to 18 GHzN (m)±20 pW
8485D50 MHz to 26.5 GHzAPC-3.5 mm (m)±20 pW
8485D Opt 03350 MHz to 33 GHzAPC-3.5 mm (m)±20 pW
8487D50 MHz to 50 GHz2.4 mm (m)±20 pW