NR BR 922
Technicians Strength and Polarity Meter for Use with Automatic Warning System Standard Strength and Extra Strength Track Magnets
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| Organization: | NR |
| Status: | active |
| Page Count: | 2 |
scope:
This specification applies to a technicians meter for measuring the magnetic field strength and polarity of A. W.S. standard strength and extra strength track magnets. The magnetic field from the A. W.S. magnets is DC.
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NR BR 922
Technicians Strength and Polarity Meter for Use with Automatic Warning System Standard Strength and Extra Strength Track Magnets
This specification applies to a technicians meter for measuring the magnetic field strength and polarity of A. W.S. standard strength and extra strength track magnets. The magnetic field from the A....