Search String: Display: Description: Sort:

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[AMPS\]\s+SB220\s+Grid\s+meter\s*$/: 2 ]

Total 2 documents matching your query.

1. [AMPS] SB220 Grid meter (score: 1)
Author: w5ah@dxer.org (Bob Alexander)
Date: Sun, 11 May 1997 17:46:11 -0700
sounds to me like the .82 ohm grid meter shunt resistior has assumed a different value. If it becomes an open then the multimetr will try to fly across the room (mine did). Suggest you replace the re
/archives//html/Amps/1997-05/msg00070.html (6,887 bytes)

2. [AMPS] SB220 Grid meter (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Mon, 12 May 97 00:28:16 -0700
I do not think this will protect the multimeter. Based on circumstantial evidence, the current pulse that opens the 0.82 ohm resistor, R1, can exceed 15a. A good way to protect the meters is with 3a
/archives//html/Amps/1997-05/msg00076.html (7,337 bytes)


This search system is powered by Namazu