The AM Forum
October 09, 2024, 09:01:54 PM *
Welcome, Guest. Please login or register.

Login with username, password and session length
 
   Home   Help Calendar Links Staff List Gallery Login Register  
Pages: [1]   Go Down
  Print  
Author Topic: Analog meter static  (Read 2022 times)
0 Members and 1 Guest are viewing this topic.
wa2tak
Member

Offline Offline

Posts: 110


« on: March 13, 2023, 11:01:12 AM »

Just had this problem.
Thought I'd pass along the fix.

The analog meter needle sometimes get 'stuck'..and does not go to zero.
Static charge on the meter plastic face causes this.

Solution: wipe the plastic face with that anti-static fabric used for clothes drying.
Logged
wa2tak
Member

Offline Offline

Posts: 110


« Reply #1 on: March 13, 2023, 05:50:03 PM »

Correction

I meant to say...NOT ZERO...but the 'set' position on the meter.
Logged
KD1SH
Member

Online Online

Posts: 853



« Reply #2 on: March 13, 2023, 08:14:53 PM »

That principle provides a handy way to check meters on old rigs at hamfests. Rub your hand on your shirt and then across the meter face and watch for needle movement. Panel meters on old rigs are sometimes seized up - sometimes fixable, sometimes not.
Logged

"Gosh, Batman, I never knew there were no punctuation marks in alphabet soup!"
—Robin, in the 1960's Batman TV series.
W3DBB
Member

Offline Offline

Posts: 57


« Reply #3 on: March 16, 2023, 10:14:18 AM »

The analog meter needle sometimes get 'stuck'..and does not go to zero.
Static charge on the meter plastic face causes this.



I experience this once in a while. I use a tape head demagnetizer. Takes care of the problem. Have yet to notice any deleterious effects from doing this.

Doug
Logged

Doug

beautiful downtown Strodes Mills, Pennsylvania
W1RKW
Contributing
Member
*
Offline Offline

Posts: 4418



« Reply #4 on: March 16, 2023, 12:16:48 PM »

I lick it.

no, not really but a dampened cloth works too.
Logged

Bob
W1RKW
Home of GORT.
K2GTM
Contributing
Member
*
Offline Offline

Posts: 47



« Reply #5 on: April 10, 2023, 06:54:22 PM »

I have good luck with blowing a "hot breath" on the meter face.  Those who wear glasses know about doing this to wet the lenses for cleaning.

73,
G
Logged
Pages: [1]   Go Up
  Print  
 
Jump to:  

AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
 AMfone © 2001-2015
Powered by SMF 1.1.21 | SMF © 2015, Simple Machines
Page created in 0.055 seconds with 18 queries.