[volt-nuts] Wavetek 1281 - Calibration Key

Todd Micallef tmicallef at gmail.com
Mon Nov 2 21:40:09 EST 2015

I was able to find the manufacturer and part number for  the lock/key
(found it in the service manual)

Rolsecure 5017-04-2    Key no. 850

Datron PN# 700115

It looks like the lock will have to come out. The online seller was helpful
but unable to find a suitable blank locally. I will drop it off on Thursday
and hopefully have something by Friday at a local locksmith (including
picture from auction).  If I am successful, I can help get copies made for
other 1271/1281 owners.


On Sun, Nov 1, 2015 at 8:30 PM, Tom Miller <tmiller11147 at verizon.net> wrote:

> ----- Original Message ----- From: "Todd Micallef" <tmicallef at gmail.com>
> To: "Discussion of precise voltage measurement" <volt-nuts at febo.com>
> Sent: Sunday, November 01, 2015 8:23 PM
> Subject: Re: [volt-nuts] Wavetek 1281 - Calibration Key
> Unfortunately, when I had my keys made for the 4700, I took the lock out of
>> a broken 1071 to the locksmith. I originally showed them photos of an
>> actual key and they looked at me like I was crazy. I could only find two
>> locksmiths near me for the 4700 and a Valhalla 2724A. Both wanted a lock
>> before they would try to brute force a new key. It appears that the locks
>> are different with the Wavetek gear.
>> I have already sent a message to the seller of the 1271 and I hope to hear
>> something soon. If not, I will desolder the wires and remove the lock and
>> carry it to one of the locksmiths. At least they only charged me $10 for
>> the time and two keys for my Valhalla.
>> On Sun, Nov 1, 2015 at 12:32 PM, gilbenl at nickgilbert.org <
>> gilbenl at nickgilbert.org> wrote:
>> Assuming the Wavetek branded meters use the same key as the Datron, the
>>> link below is a 1071 cal/service manual from KO4BB, which has a really
>>> good
>>> photocopy of the calibration key on the last page. Print on cardstock,
>>> sharpie the notches on a suitable blank, take the marked blank to a
>>> locksmith or cut yourself. Better yet, see if the other seller will send
>>> you some photos of the 1271 key. Same process applies.
>>> I just gave a locksmith the picture and he did all the leg work for $15
>>> and I had it same-day.
> Sometimes there is a number and a name on the key. Googleing the number
> will sometimes find a like key. Also, a locksmith may also be able to find
> a copy.
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