| Brand | Foxboro |
|---|---|
| Unit Type | Unit |
| MPN | 8121A |
| Unit Quantity | 1 |
Check the listing for details. 8121A Foxboro current Calculator. Condition: Used. Listed at 200.00 USD. A current calibrator generates or measures precise electrical current — usually in the standard process-control ranges: • 4–20 mA (the most common signal in oil & gas instrumentation) • 10–50 mA (old legacy signal used in older Foxboro pneumatic/electronic loops) These devices were used to calibrate, test, and troubleshoot instrumentation loops, especially before modern handheld devices like the Fluke 787 or Beamex MC-series existed.
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