Steel Soldiers now has a few new forums, read more about it at: New Munitions Forums!
Microsoft MSN, Live, Hotmail, Outlook email users may not be receiving emails. We are working to resolve this issue. Please add support@steelsoldiers.com to your trusted contacts.
Most likely the frequency transducer, although it could also be in the meter itself, these things get a lot of vibration, and vibration breaks stuff (connections, solder joints, etc.)
Ike