National Test Equipment, Inc.

This is a Surplus Auction

See special considerations: This auction is for surplus inventory. All sales are final. These are excess units we have in inventory that we are looking to liquidate. See the description to the right for more details.

Auction Terms

  • California Sales Tax applies to CA residents
  • Personal or Company Check (will delay shipment until check clears)
  • Certified Funds (Sameday shipment)
  • PayPal ~ Online Payment Option

HP 339A 

Distortion Measurement Set 10Hz - 110KHz

Serial No: 2025A05298



Units knobs and posts are damaged, cover and rear panel have writing on them, and unit shows signs of previous use. Unit is Untested and Sold as-is Please see pictures.



*Return Policy*

All units sold will have void seals attached. Please verify your unit matches the description in the auction prior to opening units to attempt any repairs. No returns will be approved for buyers who have broken the void seals. A picture of intact void seals will be required.

Manufacturer Description:

The 339A Distortion Measurement Set lets you measure like a pro with this complete measuring system. With the 339A you get a total Harmonic Distortion Analyzer, True RMS Voltmeter, and Sine Wave Oscillator. This unit allows THD measurements as low as 0.0018% over a 10Hz to 110kHz frequency band including harmonics to 330kHz. Distortion measurement range is 0.01% to 100% full scale (-80 dB to 0 dB) in nine ranges. The oscillator has a frequency range of 10Hz to 100kHz in four overlapping decade ranges. The output level is variable from less than 1 mV to greater than 3 V rms into 600 ohms with 10 dB/step level control and 10 dB vernier adjustment. Voltmeter range is 1 mV to 300 V RMS full scale (-60 dB to +50 dB full scale, meter calibrated in dBV and dBm into 600 ohms).



National Test Equipment, Inc.
1935 Plaza Real Oceanside, CA 92056