UKTC Archive

RE: Diameter callipers

Subject: RE: Diameter callipers
From: Alastair Durkin
Date: Aug 14 2019 07:30:20
Report footnote: *Diameters were estimated using guesswork. Lol

Of course, when a tree isn't accessible, that’s all you are left with, and 
rarely makes much difference. But I think if you will know it might make a 
difference in any given situation then you need to put in the extra effort, 
but otherwise...

-----Original Message-----
From: uktc-request@xxxxxx.tree-care.info <uktc-request@xxxxxx.tree-care.info> 
On Behalf Of Bill Anderson
Sent: 13 August 2019 18:36
To: UK Tree Care <uktc@xxxxxx.tree-care.info>
Subject: Re: Diameter callipers

Just guess at it Graham, you're unlikely to be far out. And greater accuracy 
than a generous estimate is unlikely to be needed.
Bill.

On Tue, 13 Aug 2019 at 18:29, steve vessey <steve.vessey73@xxxxxx.com> wrote:

Hi

If the level of accuracy is not a high priority and the trees are not 
too big you could try a normal carpenters tape? I use one in forestry 
surveys for a quick idea of diameter.
Failing that try Sorbus international or Buxtons for calipers. Prices 
range from £60 upwards depending on size. Or go for the high end pairs 
with gator eyes which use 2 green lasers to determine diameter. Price 
for these are about £800 though I think?

Tree Generation
Lincolnshire
07719 XXXXXX

On Tue, 13 Aug 2019, 17:41 Graham Joyce, 
<gmj@xxxxxxxxxxxxxxxxxxxxx.co.uk>
wrote:

Dear all

having spent another brambly afternoon on a wet Devon bank failing 
to retrieve the loose end of a diameter tape, I’m wondering if 
there’s an easier way. Has anyone out there tried using forestry 
callipers to
measure
dbh? If so has anyone got any suggestions as to a useful make? I 
realise it’s not as accurate as a diameter tape, but times and places...

Thanks





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Graham Joyce B Sc (Hons), Dip Arb (RFS), M Arbor A, Tech Cert Arbor 
A Managing Director Advanced Arboriculture Ltd Venmore Barn Woodbury 
Exeter Devon
EX5 1LD






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The UKTC is supported by Bosky Trees arboricultural consultancy
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