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Sorry yes its voltage. Its for testing the high voltage regulator in a 475. I cannot afford another meter or a $100 probe. The voltage divider idea may work.

ugly and wayyy overpriced - but interesting! english lettering.... Bernd _http://www.ebay.com/itm/OFFER-WIN-OSCILLOSCOPE-EMG-TYPE-TR-4658-works-like-

Looking for Tek 152-0177-01 tunnel diode (10mA and 4pf) for my 485. Also used in Tek products S53, 067-0587-01, 067-0580-00, 3T5, 3T6, 5S14N, 7D14, 7T11, 7T11A. Gold DO-17 top hat style. Including

It's the same size as the 80K-40, yellow instead of red, has the same 1 GOhm input impedance when used with a 10 MOhm input meter, but rated only for 15 KV instead of 40 KV. I don't really see why an

I'd never seen it called an Electronic Air Cleaner probe before. ;-) Mark

No surprise, electrostatics can go to some pretty high voltages. They can give you a nasty bite. settings online go to: http://groups.yahoo.com/group/TekScopes/join

I knew probes could be used for a lot of things, but this is a new one on me: <http://www.ebay.com/itm/FLUKE-80K-15-Electronic-Air-Cleaner-Probe-/310418595539> Mark

Hello RaymondI have a power supply for tds 420A.How much do you want to spend?If you send in your faulty I may be able to repair it or sell you one for parts.Thanks Jan Koria

Fluke 80K-6 high voltage probes are inexpensive used and good to 6 kilovolts. They are designed to be used with a 10 megohm input resistance multimeter which is standard. They only have 75 megohms of

Can you be more specific?? Are you measuring voltage? If so, an ordinary Simpson 260 or Triplett 630 will do, as long as it doesn't need to be very accurate. If you need precision you can cobble up a

Is there a way to take this reading without a 3k meter?

I had a similar problem recently with Aerovox caps in my 564: one of these was defective, causing malfunction when erasing the storage screen. After some checks, the only culprit was a 0.1uF 600V

The 7503 needs work on the plug-in connectors. The side covers of the connectors need to be replaced. (This is a common failure mode and has been discussed in this forum.) I believe the scope is

fixture is sold..thanks Jerry Massengale

Hi Keith Areovox capicator has 0,9?F insteat 0,5?F, that is a typical paper-capicator-problem. i think, 1N4148 is better, but i am not sure. dirty contact, i use tuner 600 and q-tips. Best regards.

Hi Matt- Yes, thank you so much! As you said, I replaced the Aerovox cap (C335) and that particular problem is resolved! The bad cap did not show any leakage. On an ESR meter it measured much _lower_

Bought a 310A for little money, in perfect condition, optically and electrically (what a sharp trace!), lucky me. 2 Questions: It has serial number 013491, rectifier is with silicon diodes. Anybody

Hi! My TDS420A has a defective mains power supply. Would any of you have one available from a parts mule? AFAIK, PSU's in TDS420 and TDS420A are identical. True and any more models? N.B. I'm living in

Sorry, my fault. 0,5?F , (C335), that is right. Heerenveen 549 has EROmet capicator, germany capicator. But, Portland 549 has bad black areovox, replaced him and 549 run fine. Best regards Matt

================= How did Tek get the Delta Standard for the 130 L-C Meter to have a 0pF and a MINUS 3pF value? Exactly what is a negative capacitance and what is it good for? See attached photo.