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Electronics Forum / Electronics / October 2005DSE Bargain CRO
** Anyone here had a good look and play with the DSE, 10 MHz CRO yet ?? http://www.dse.com.au/cgi-bin/dse.storefront/435c92d70bf12d382740c0a87f9c071f/Pr oduct/View/Q1803 For a mere $158 inc gst plus nice 10:1 probe chucked in it MUST be hard to beat for value even against used CROs. The specs look pretty good and it has a decent 1.2 kV acceleration voltage. Very neat and compact too. ......... Phil > ** Anyone here had a good look and play with the DSE, 10 MHz CRO yet ?? > [quoted text clipped - 6 lines] > > Very neat and compact too. Incredibly cheap. Almost half the price of equivalent units like the Instek/Goodwill 10MHz model. Would be interesting to get a look inside. Hard to beat against a used model indeed, if the specs are what you are after. Dave :) I went through the process of considering a better s/h unit instead of a lessor new unit, but in the end felt that while one of those better cros would be great if it worked and continued working, the cost of any repairs would probably break my bank, as I am not cluey enough to fix one of those, and would/might need a cro to do the repair. David > Incredibly cheap. Almost half the price of equivalent units like the > Instek/Goodwill 10MHz model. [quoted text clipped - 3 lines] > > Dave :) > I went through the process of considering a better s/h unit instead of a lessor new unit, but in the > end felt that while one of those better cros would be great if it worked and continued working, the > cost of any repairs would probably break my bank, as I am not cluey enough to fix one of those, and > would/might need a cro to do the repair. > > David A new CRO is nice, has that nice "new CRO" smell, and you get that warm-fuzzy as you peel the plastic protective cover off the front panel. Just like a new car, everyone should own one at least once! Now you can get yourself an old second hand high bandwidth one as well Dave :) > > I went through the process of considering a better s/h unit instead of a lessor new unit, but in the > > end felt that while one of those better cros would be great if it worked and continued working, the [quoted text clipped - 10 lines] > > Dave :) I did, about 30 years ago. A brand new Leader 10 MHz dual trace with the probes, manual, and a spare fuse. It was stolen two years later.  Signature? Michael A. Terrell Central Florida > ** Anyone here had a good look and play with the DSE, 10 MHz CRO yet ?? > [quoted text clipped - 7 lines] > > Very neat and compact too. **'Tis cheap. I doubt that it uses a PDA tube though. Still and all, 10MHz for 160 Bucks is hard to beat. I wonder what the wholesale price is? I'll make a call tomorrow. SignatureTrevor Wilson www.rageaudio.com.au > ** Anyone here had a good look and play with the DSE, 10 MHz CRO yet ?? http://www.dse.com.au/cgi-bin/dse.storefront/435c92d70bf12d382740c0a87f9c071f/Pr oduct/View/Q1803 > For a mere $158 inc gst plus nice 10:1 probe chucked in it MUST be > hard to beat for value even against used CROs. Don't know about that, I only paid $220 for a Tektronix 475A off Ebay, 250 megs bandwidth, and probably one of the best scopes made by anybody anywhere. Its old but works fine. Keith "Keith" >> ** Anyone here had a good look and play with the DSE, 10 MHz CRO yet ?? >> [quoted text clipped - 4 lines] > > Don't know about that, ** You know SFA about anything. I only paid $220 for a Tektronix 475A off Ebay, 250 > megs bandwidth, and probably one of the best scopes made by anybody > anywhere. Its old but works fine. ** Till tomorrow maybe - then it is beyond repair. No spares, super complex design. Total f.cking disaster waiting to happen. Just like you - SHITHEAD. ........... Phil > "Keith" >> [quoted text clipped - 23 lines] > > ........... Phil Yeah, well anything more complicated than a side opening toaster or replacing a jug element is beyond your capability Toaster Boy. Know wonder you were fascinated by the toy CRO. ** This is not ever going to stop: The Rutmaniac Arse Bandit has **NEVER** told us how much money the Thai pal he "imported" into Perth ripped off from his credit card and bank accounts. He has refused, over and over, to say why he never reported the crime his Thai boy lover committed to his Bank or to the WA police. ** This post of his on " rec.travel asia " from 1997 explains the event: --------------------------------------------------------------- " WARNING - Tourism dangers for Gay Tourists in Thailand In my case I was coerced into sponsoring a Thai into Australia. I was lead down the garden path into a false sense of security about my relationship with this person. His aim was clearly to get me to purswade the Australian Embassy to grant him a visa. Once here I didn't exist after he drained my bank account and ran my credit card into overdraft. Alan Rutlidge (Perth Western Australia) " ----------------------------- ------------------------------------ ** The 1997 date pretty much co-incidences with the enactment of Section 50 BA of the Commonwealth Crimes Act. This is the law that finally made engaging in or promoting under age sex tourism a criminal offence - max penalty 17 years in jail. BTW The age of consent for gay males in WA in 1997 was 21 years old. Come on - Arse Bandit - we all need to know if you were being blackmailed. ** I do not care how many of your vile, criminal colleagues you organise to intimidate me. It only makes you look so much WORSE !!! ........ Phil WOW, This is the third time you've posted this to the same newsgroup today. Gawd, you must be bored shitless by now. > ** This is not ever going to stop: > [quoted text clipped - 41 lines] > > ........ Phil > ** I do not care how many of your vile, criminal colleagues you organise > to intimidate me. > > It only makes you look so much WORSE !!! I suppose its like they say, just because you're paranoid, it doesn't mean that they aren't out to get you. Keep on taking the pills, it looks like you may have skipped a few doses. "Keith" <keith@nowhere.com.au> ** Nowhere man ...... " Living in a nowhere land. " Hardly possible to describe a pathological, autistic c.nt like "Keith" more precisely than Lennon and McCartney did back in 1965. ........ Phil > "Keith" <keith@nowhere.com.au> > [quoted text clipped - 6 lines] > > ........ Phil Time for you to make the sacrifice philly , go on you know you want to . ( top your self) > "Keith" <keith@nowhere.com.au> > [quoted text clipped - 4 lines] > Hardly possible to describe a pathological, autistic c.nt like "Keith" > more precisely than Lennon and McCartney did back in 1965. "isn't he a bit like you and me?" so are you a pathological, autistic c.nt then? Same sh.t same day, there obviously ain't much going on in that little head of yours boy, no wonder you can't handle anything more complex than a DSE scope or outlook express. > "Keith" >> >>> ** Anyone here had a good look and play with the DSE, 10 MHz CRO yet >>> ?? http://www.dse.com.au/cgi-bin/dse.storefront/435c92d70bf12d382740c0a87f9c071f/Pr oduct/View/Q1803 >>> For a mere $158 inc gst plus nice 10:1 probe chucked in it MUST be >>> hard to beat for value even against used CROs. >> >> Don't know about that, > > ** You know SFA about anything. An interesting observation since you know SFA about me, still I suppose that you are another one of these people who never lets facts get in the way of an opinion however stupid it may be. > I only paid $220 for a Tektronix 475A off Ebay, 250 >> megs bandwidth, and probably one of the best scopes made by anybody >> anywhere. Its old but works fine. > > ** Till tomorrow maybe - then it is beyond repair. Since I have been using it for the last 3 years, it has paid for itself already > No spares, super complex design. Funny, I could have sworn that Tektronix is still in business anyway second hand spares are easy to obtain, you just need the skill to use them. Obviously the prospect of something like that scares the sh.t out of you. > Total f.cking disaster waiting to happen. Well stick to your tricky dicky toy scopes, if you can't handle the real tools its probably best that way. I suppose that anything faster than 10 megs is beyond your comprehension anyway and trying to use a delayed timebase would strain your little brain beyond meltdown. > Just like you - SHITHEAD. You must be one of them interlekchals to come up with such a profound observation. > ........... Phil "Keith" <keith@nowhere.com.au> ** Nowhere man ...... " Living in a nowhere land. " Hardly possible to describe a pathological, autistic c.nt like "Keith" more precisely than Lennon and McCartney did back in 1965. ........ Phil > Hardly possible to describe a pathological, autistic c.nt like "Keith" > more precisely than Lennon and McCartney did back in 1965. People who use the word c.nt as a derogatory term obviously aren't getting any sex at all. That probably explains your sour demeanour, go and take your frustrations out elsewhere boy. > ** Anyone here had a good look and play with the DSE, 10 MHz CRO yet ?? http://www.dse.com.au/cgi-bin/dse.storefront/435c92d70bf12d382740c0a87f9c071f/Pr oduct/View/Q1803 > For a mere $158 inc gst plus nice 10:1 probe chucked in it MUST be hard > to beat for value even against used CROs. > > The specs look pretty good and it has a decent 1.2 kV acceleration voltage. > Very neat and compact too. There's the understatement of the year. 6mm/div Kinda small on the screen, don't you think? "Anthony Fremont" >> Very neat and compact too. > > There's the understatement of the year. 6mm/div Kinda small on the > screen, don't you think? ** No. ........ Phil > "Anthony Fremont" > > [quoted text clipped - 4 lines] > > ** No. The "don't you think" part was rhetorical, I was talking about the 2"X2.5" display. My wife's digital camera has a display nearly that big. > > "Anthony Fremont" > > > [quoted text clipped - 9 lines] > 2"X2.5" display. My wife's digital camera has a display nearly that > big. Just plugged a 19" LCD monitor into my Agilent 6000 series scope at work, now THAT'S a scope display! Next stop, the LCD projector on the wall :-> Damn impressive scope the 6000. Dave :) >> > "Anthony Fremont" >> > > [quoted text clipped - 14 lines] > wall :-> > Damn impressive scope the 6000. **Now that's a twist: Usually, guys brag about their red sports cars, or the size of their guns. You're using your CRO as a penis substitute? Mind you: I am jealous. Those Agilent 'scopes are kinda nice. SignatureTrevor Wilson www.rageaudio.com.au "Anthony Fremont" "Phil Allison" >> >> Very neat and compact too. >> > [quoted text clipped - 4 lines] > > The "don't you think" part was rhetorical, ** My "no" was not rhetorical. The screen size is perfectly OK for a single beam CRO. The detail and resolution of such a CRT screen is far better than that of LCD scopes that cost $2000 and with screens many times the size. > I was talking about the > 2"X2.5" display. My wife's digital camera has a display nearly that > big. ** See above. A battery operated NLS MS-15 (15 MHz) mini scope has a 4 x 5 CRT screen where each division is 0.25 inches. That is only one quarter the size of the DSE CRO but still quite usable as it is very sharp. ........ Phil Yep, I bought one - very nice unit, easy to use, appears well made, and is a bargain for the price. I have also just bought one of their 20meg CROs and that too is fine (I found I needed 2 channels afterall) nice units for the money David PS My 10 meg unit is for sale - only 3 or 4 hours use, still under guarantee - all offers considered > ** Anyone here had a good look and play with the DSE, 10 MHz CRO yet ?? > [quoted text clipped - 8 lines] > > ......... Phil "quietguy" > Yep, I bought one - very nice unit, easy to use, appears well made, and is > a bargain for the price. ** Two questions: 1. Is there an external means of rotating the trace - ie make it horizontal in spite of the earths mag field. 2. Is there any spec for the maximum *safe* ( ie non damaging) input voltage on the vertical amp? .......... Phil > ** Two questions: > > 1. Is there an external means of rotating the trace - ie make it horizontal > in spite of the earths mag field. Yes, mechanical adj on the rear of the case - a no sweat adj. > 2. Is there any spec for the maximum *safe* ( ie non damaging) input > voltage on the vertical amp? 400Vp according to a label on the CRO itself David "quietguy" >> ** Two questions: >> [quoted text clipped - 8 lines] > > 400Vp according to a label on the CRO itself ** Thanks very much for that David. Looks like the DSE , 10MHz CRO can be safely recommended to most hobbyists and techs with not too demanding requirements. If I did not have 4 perfectly functioning CROs ( inc a valve one I built in 1970) already I might get one myself !! ........ Phil Was that the EA 3inch CRO? I built one of those - but some bastard broke into my workshop and stole it David > ( inc a valve one I built > in 1970) already I might get one myself !! > > ........ Phil "quietguy" > Was that the EA 3inch CRO? ** The mag was still called Radio TV and Hobbies (RTV&H) in May 1966 when the CRO design I built was published. It used the Philips DG7-32 3 inch CRT, 2 x 6GH8s for vertical, 2 x 6BL8s for horizontal and a 12AT7 for the synch. The PSU used EM408 silicon diodes and the tube had a full Mu-metal shield - an essential item missing from most budget CROs. Vertical bandwidth was 2 MHz and all ranges were calibrated in 1-2-5 steps. > I built one of those - but some bastard broke into > my workshop and stole it ** Probably thought it was a mini TV set. .......... Phil > and the tube had a full Mu-metal shield - an essential item missing from > most budget CROs. If it's "essential", why then are you recommending the DSE CRO. Does it really have a Mu metal shield? MrT. "Mr.T" "Phil Allison" ** The mag was still called Radio TV and Hobbies (RTV&H) in May 1966 when the CRO design I built was published. It used the Philips DG7-32 3 inch CRT, 2 x 6GH8s for vertical, 2 x 6BL8s for horizontal and a 12AT7 for the synch. The PSU used EM408 silicon diodes and the tube had a full Mu-metal shield - an essential item missing from most budget CROs. Vertical bandwidth was 2 MHz and all ranges were calibrated in 1-2-5 steps. > If it's "essential", why then are you recommending the DSE CRO. Does it > really have a Mu metal shield? ** A mu-metal shield is not essential for a CRT CRO to function - but it an "essential item" for any respectable lab or workshop instrument. Practically all older CROs ( pre 1980) and those priced over the $ 1500 level have one. So far, I have not "recommended" the DSE budget CRO to anyone, but I really doubt there is any new, CRT CRO at near the price that has mu-metal CRT shield. BTW For those who don't know, lack of a magnetic CRT shielding means the trace is vulnerable to 50 /60 Hz displacement (seen as annoying shimmer or wobble) by radiated fields from any AC supply transformer placed near the instrument. These fields are hardy attenuated by the steel casing of the CRO and can affect the trace at up to 1 metre away. This is not such a big problem with small, lightweight CROs ( like the DSE one) that can simply be moved from the source of AC hum field as need be. ........ Phil > "Mr.T" > > If it's "essential", why then are you recommending the DSE CRO. Does it [quoted text clipped - 19 lines] > This is not such a big problem with small, lightweight CROs ( like the DSE > one) that can simply be moved from the source of AC hum field as need be. Good reply Phil, and I certainly agree that the DSE CRO looks like being the answer to many poor hobbyists prayers. It used to cost that much for a cheap 3 1/2 digit DMM. MrT. "Phil Allison" >> "Mr.T" >> > If it's "essential", why then are you recommending the DSE CRO. Does it [quoted text clipped - 31 lines] > cheap > 3 1/2 digit DMM. ** My first DMM was a "Kaise " 6200, bought from Radio Despatch service in about 1981 - price inc sales tax was $87.00 equal to about a $220 in today's value. The DSE bargain CRO is cheaper than a Fluke 70 series meter now. .......... Phil |
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