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ats:meters [2024/05/25 16:19] – Alan Shea | ats:meters [2024/06/10 22:54] (current) – [Table] Alan Shea | ||
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Suggested multi-meters for [[ats: | Suggested multi-meters for [[ats: | ||
- | Refer to product documentation for wiring diagram. | + | * Refer to product documentation for the correct |
- | ^ Manufacturer | + | ^ Manufacturer |
- | | //Three current transformers per meter also required((Current transformer example: : https:// | + | | RS Pro | 1365377 |
- | | RS Pro | 1365377 | + | | RS Pro | 1365382 |
- | | RS Pro | 1365382 | + | | TruMeter APM | APM-PWR |
- | | TruMeter APM | APM-PWR | + | | //**Three current transformers per meter are also required**// |
+ | |||
+ | |||
+ | ====Current Transformer Examples: | ||
+ | ^ Manuf: | ||
+ | | [[https:// | ||
+ | | RS Pro | ||
+ | |||
+ | \\ \\ | ||
<WRAP center round alert 70%> | <WRAP center round alert 70%> | ||
- | **DANGER:** Current transformers must be connected to a device, or short-circuited before power is applied in the circuit to be measured. Current transformers are //constant current// devices, not //constant voltage// like ordinary transformers. | + | **DANGER:** Current transformers must be connected to a device, or short-circuited before power is applied in the circuit to be measured. Current transformers are //constant current// devices, not //constant voltage// like ordinary transformers. |
+ | |||
+ | * **A C.T. with loose leads can have lethal voltage on the terminal, possibly over 1000V.** | ||
+ | |||
+ | * **Do not disconnect a C.T. when power is present in the measured circuit!** | ||
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