Superseded
Standard
Historical
BS 89-4:1990
Direct acting indicating analogue electrical measuring instruments and their accessories Specification for special requirements frequency meters
Preview
Summary
Working range;Overvoltage tests;Marking;Meters;Grades (quality);Electrical tolerances;Electrical testing;Analogue signals;Electrical measuring instruments;Electric terminals;Accessories;Errors;Signal devices;Electrical wave measurement;Frequency measurement
Technical characteristics
| Publisher | British Standards Institution (BSI) |
| Publication Date | 08/31/1990 |
| Cancellation Date | 05/07/2021 |
| Page Count | 14 |
| Themes | Frequency measurement |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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