On 30 December 2016 at 23:58, Dr. David Kirkby - Kirkby Microwave Ltd <
drkir...@kirkbymicrowave.co.uk> wrote:
> I bought a 5370B TI counter which arrived today. It needs a bit of TLC,
> but nothing too bad. But one of the rotary knobs is incomplete. Does anyone
> have a spare knob? Contact me off
On 2 January 2017 at 18:21, Robert Atkinson wrote:
> I've a spare knob and it's on it's way to Dave. f
>
Cheers Robert. I'll send you some money. Drop me a private email with your
PayPal address.
> 5370 counters do seem to run hot so I don't think you have a fault. As
> suggested a little exte
"Discussion of precise time and frequency measurement" <
> time-nuts@febo.com>
> Sent: Saturday, December 31, 2016 11:01 AM
> Subject: Re: [time-nuts] Anyone (ideally in the UK) got a spare rotary
> knob for the 5370B TI counter?
>
>
>
> On 31 December 2016 a
- Original Message -
From: "Dr. David Kirkby (Kirkby Microwave Ltd)"
To: "Discussion of precise time and frequency measurement"
Sent: Saturday, December 31, 2016 11:01 AM
Subject: Re: [time-nuts] Anyone (ideally in the UK) got a spare rotary knob
for the 5370
On 31 December 2016 at 13:03, EB4APL wrote:
> Hi,
>
> I'm not totally sure about the limits, but I have read several times that
> in the UK the nominal supply voltage is 230 V +10%/−6% to accommodate the
> fact that most supplies are in fact still 240 V. The context was that a lot
> of test equip
Hi,
I'm not totally sure about the limits, but I have read several times
that in the UK the nominal supply voltage is 230 V +10%/−6% to
accommodate the fact that most supplies are in fact still 240 V. The
context was that a lot of test equipment failed when operated at around
250 V and many i
230VAC +10% -6%, so 253 is the upper limit. 248V is not unusual as for
historic reasons some parts of UK still actually supply 250V ...
When we "harmonized" our mains with the EU, we changed the specification from
240V +/- 5% (I think) and didn't actually change any equipment.
Happy New Year
On 31 Dec 2016 02:03, "Bob Stewart" wrote:
>
> If you can touch the heat sink for 2 seconds, you're made of sterner
stuff than I am! They run very hot. It's a good idea to get a GPIB
extender so your GPIB cable can clear the heat sink. Somebody, can't
remember who, worked up a nice looking conv
s@febo.com>
> Sent: Friday, December 30, 2016 5:58 PM
> Subject: [time-nuts] Anyone (ideally in the UK) got a spare rotary knob
> for the 5370B TI counter?
>
> I bought a 5370B TI counter which arrived today. It needs a bit of TLC, but
> nothing too bad. But one of the rotar
A knob? Sounds like a good use for a 3D printer.
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requency measurement
Sent: Friday, December 30, 2016 5:58 PM
Subject: [time-nuts] Anyone (ideally in the UK) got a spare rotary knob for
the 5370B TI counter?
I bought a 5370B TI counter which arrived today. It needs a bit of TLC, but
nothing too bad. But one of the rotary knobs is incomplete
I forgot to mention... I still have some 3-board extender card kits for the
5370's. Two boards are used to extend one of the main cards. The other fits
the front panel board (and one of the other minor boards in the machine).
Contact me off list if needed...
__
I don't have a knob, but something that fits should be easy to find.
One warning... some of the pots have plastic shafts that can be brittle. They
can shear off either due to accident, turning too hard against the stops, or
just old age. I seem to remember that one of them has a switch on t
I bought a 5370B TI counter which arrived today. It needs a bit of TLC, but
nothing too bad. But one of the rotary knobs is incomplete. Does anyone have a
spare knob? Contact me off list if you do.
I had one of these things about 10 years ago. I have forgotten how to drive it.
It is running ve
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