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Old 29th May 2012, 04:28 AM   #1
grenert is offline grenert  United States
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Default Test equipment for sale (DMMs, function generator); USA [ALL SOLD]

I have some pieces of test equipment for sale:

1. BK Precision 7 MHz DDS sweep function generator. This will generate sine, triangle and square/pulse (15-85% duty cycle) waves. Sines and pulse to 7 MHz, triangle to 100 kHz. It does sweeps with user-defined start and stop frequencies. It's in excellent condition. I did a couple of small mods: I upgraded a power supply cap to a better quality (lower ESR) one, and I replaced the jellybean output opamp with a low distortion one. Images show sine at 1 kHz and 7 MHz; triangle at 100 kHz; square at 100 kHz and 7 MHz.
BK Precision 4007 DDS - Imgur

2. HP 3478A bench multimeter. 1980's era 5.5 digit multimeter with true RMS ACV and 4-wire ohms. This was calibrated by HP/Compaq in January 2010 and reads very accurately. I broke the calibration seal to calibrate the lowest resistance range (30 ohms) using a 4-wire setup, rather than 2-wire. Images show readings of a calibrated Joe Geller 10V reference board and a couple of Vishay bulk foil resistors (1K and 100 ohm). It's in very good cosmetic condition with the exception of the marker on the top surface.
HP 3478A - Imgur

3. Agilent U1251A handheld multimeter. SOLD. 50,000 count handheld digital multimeter with some nice extra features like dual display and data logging. This is essentially unused. I took it out of the box to play around with, but that's about it. No pictures, but like I said, it is essentially unused (even has the screen plastic still on), so it looks just like the pictures on Agilent's website. Note that the current "B" version lacks the extra accessories that are included with this earlier version.
U1251A Handheld Digital Multimeter, 4.5-digit [Discontinued] | Agilent

ASKING PRICES:
Function generator is SOLD, thanks!
HP 3478A is SOLD, thanks!
Agilent U1251A is SOLD, thanks!

If you can buy in person in San Francisco, knock $30 off each price.
I may be able to ship internationally, but domestic buyers have first shot.

Thanks for reading!

Last edited by grenert; 2nd June 2012 at 02:37 PM. Reason: all sold now
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Old 29th May 2012, 05:58 AM   #2
ymwong is offline ymwong  United States
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PM sent for HP 3478A.
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Old 29th May 2012, 06:01 AM   #3
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I will take Agilent U1251A
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Old 31st May 2012, 09:03 PM   #4
grenert is offline grenert  United States
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Bump for price reduction on function generator.
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Old 31st May 2012, 11:51 PM   #5
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If the HP 3478A falls through, I'll take it. I'm in SF as well.
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Old 1st June 2012, 01:34 AM   #6
Pano is online now Pano  United States
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I'm interested in the function generator.
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Old 1st June 2012, 10:37 AM   #7
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Location: New England
Also interested in the function generator.
Question: What's the PPV output?
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Old 1st June 2012, 01:13 PM   #8
grenert is offline grenert  United States
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10V P-P into 50 ohms, 20V into open circuit.

For more details, BK Precision's site for this meter is at:
Discontinued Model 4007DDS, 7 MHz DDS Sweep Function Generator - B&K Precision
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Old 4th June 2012, 05:39 AM   #9
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Got the U1251A today.
As described, as good as brand new!
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